WO2017005093A1 - 分纸机构及使用该分纸机构的薄片类介质处理装置 - Google Patents

分纸机构及使用该分纸机构的薄片类介质处理装置 Download PDF

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Publication number
WO2017005093A1
WO2017005093A1 PCT/CN2016/086827 CN2016086827W WO2017005093A1 WO 2017005093 A1 WO2017005093 A1 WO 2017005093A1 CN 2016086827 W CN2016086827 W CN 2016086827W WO 2017005093 A1 WO2017005093 A1 WO 2017005093A1
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WIPO (PCT)
Prior art keywords
roller
paper
motor
separation
way bearing
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Application number
PCT/CN2016/086827
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English (en)
French (fr)
Inventor
许逢博
姜天信
张诗水
车磊
Original Assignee
山东新北洋信息技术股份有限公司
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Publication of WO2017005093A1 publication Critical patent/WO2017005093A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/06—Rollers or like rotary separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed

Definitions

  • the present disclosure relates to the field of sheet medium processing, and relates to, for example, a sheet separating mechanism and a sheet type medium processing apparatus using the sheet separating mechanism.
  • a sheet-type medium processing device such as a printer, a scanner, a coin reader, etc.
  • a paper separation mechanism is often provided for using a plurality of sheet-like media (referred to as a medium for convenience of description) ), such as paper, banknotes, and cards, are sequentially fed into the sheet-type media processing device one by one.
  • the paper separating mechanism in the related art includes a pickup roller 11', a press roller 12', a separation roller 21', and a paper stop roller 22', wherein the pickup roller 11' and the separation roller 21' On the first side of the conveying passage of the medium, the pressing roller 12' and the paper stopping roller 22' are located on the second side of the conveying passage, the pressing roller 12' is disposed on the swinging rod 13', the swinging rod 13' and the first motor 31'
  • the transmission connection is swung under the driving of the first motor 31', so that the pressure roller 12' can be brought closer to or away from the pickup roller 11', and the separation roller 21' and the paper stopper roller 22' are relatively spaced apart, and the pickup roller 11' and The separation roller 21' is simultaneously drivingly coupled to the second motor 32', rotated in the first direction by the second motor 32', and the paper stop roller 22' is drivingly coupled to the third motor 33'.
  • the driving is rotated in the first direction.
  • the first direction refers to the clockwise rotation direction of the pickup roller 11', the separation roller 21' and the paper stopper roller 22'
  • the second direction is the first direction.
  • the separation roller 21' applies to the medium.
  • a force acting downstream of the medium conveying direction, and the paper stop roller 22' applies a force upstream of the medium to the medium conveying direction, that is, the paper separating roller 21' and the paper stopping roller 22 rotate in the same direction, the paper separating roller
  • the direction in which the force applied by the 21' and the resist roller 22' to the medium between them is reversed.
  • the first motor 31' drives the swing rod 13' to swing in the second direction to make the pressure roller 12' far From the take-up roller 11', a stack of media is placed on the pickup roller 11', and then the first motor 31' drives the swing lever 13' to be reset, so that the press roller 12' is pressed against the stack of media, at the press roller 12' Under the pressure, the pickup roller 11' maintains sufficient friction between the medium and the medium;
  • the second motor 32' drives the pickup roller 11' and the separation roller 21' to rotate in the first direction, and the third motor 33 '
  • the driving paper stop roller 22' is rotated in the first direction, and the pickup roller 11' drives the medium in contact with the pickup roller 11' to move toward the separation roller 21', when the medium moves to the separation roller 21' and the paper stopper roller.
  • the separation roller 21' drives the medium in contact with the separation roller 21' to continue to move downstream, and the paper stop roller 22' prevents the medium in contact with the paper stop roller 22' from moving downstream, thereby ensuring only one The sheet of media is transported downstream.
  • Such a paper separating mechanism in the related art requires a plurality of motors to be installed to complete the operations of the above-described mounting medium and separating medium. Since the price of the motor is high, such a paper separating mechanism has a problem of high cost.
  • An object of the present disclosure is to provide a paper separating mechanism which is inexpensive and a sheet type medium processing apparatus using the paper separating mechanism.
  • the present disclosure provides a paper separation mechanism including a paper take-up roller, a paper separation roller, a paper stopper roller, and a pressure roller assembly, wherein the paper take-up roller and the paper separation roller are sequentially arranged in a medium conveying direction. a first side of the medium conveying passage, the pressure roller assembly and the paper stop roller are arranged on a second side of the medium conveying passage, the paper take-up roller is disposed opposite to the pressure roller assembly, and the paper separation roller and the The relative arrangement of the paper roller is further included:
  • a motor, a first transmission direction control member and a second transmission direction control member to selectively form a first driving path between the motor and the pickup roller, the separation roller and the paper stop roller, or Forming a second driving path between the pressure roller assemblies;
  • first transmission direction control member is disposed on the first driving path
  • second transmission direction control member is disposed on the second driving path; when the output shaft of the motor rotates in the forward direction a driving connection between the motor and the paper take-up roller, the paper separation roller and the paper stop roller, the motor and a drive disconnection between the press roller assemblies; when the output shaft of the motor rotates in the reverse direction, the motor is disconnected from the pickup roller, the separation roller, and the paper stop roller The motor is coupled to the press roller assembly.
  • the first transmission direction control member includes a first one-way bearing
  • the second transmission direction control member includes a second one-way bearing, wherein the first one-way bearing
  • the transmission direction control component comprises three one-way bearings, which are respectively a first one-way bearing and a fourth one-way bearing disposed in the paper take-up roller, the paper separation roller and the paper stop roller. And a third one-way bearing;
  • An output shaft end of the motor is provided with a transmission assembly, the transmission assembly includes a gear set, the first one-way bearing, the fourth one-way bearing, and the motor when the motor is driven by the gear set
  • the third one-way bearing may selectively rotate the pickup roller, the separation roller, and the paper stop roller in the first direction.
  • the paper take-up roller, the paper separation roller and the paper-stopping roller can be selectively rotated to complete the paper separation and paper take-up action with the entire device.
  • the paper take-up roller comprises a first mandrel and a first roller
  • the inner ring of the first one-way bearing is sleeved with the first mandrel, the outer ring is fixedly inserted with the inner hole of the first roller, and the first mandrel is drivingly connected with the motor;
  • the motor drives the first mandrel to rotate in a first direction
  • the first one-way bearing is huged with the first mandrel, thereby driving the first roller to rotate in a first direction
  • the motor drives the first mandrel to rotate in the second direction
  • the first one-way bearing and the first mandrel slip, and the first roller does not move.
  • the separation roller includes a second spindle and a second roller
  • the inner ring of the fourth one-way bearing is sleeved with the second mandrel, the outer ring is fixedly inserted with the inner hole of the second roller, and the second mandrel is drivingly connected with the motor;
  • the fourth one-way bearing is hugged with the second mandrel, thereby driving the second roller to rotate in the first direction, when When the motor drives the second mandrel to rotate in the second direction, the fourth one-way bearing and the second mandrel slip, and the second roller does not move.
  • the paper stop roller comprises a third mandrel and a third roller
  • the inner ring of the third one-way bearing is sleeved with the third mandrel, the outer ring is fixedly inserted with the inner hole of the third roller, and the third mandrel is drivingly connected with the motor;
  • the third one-way bearing is huged with the third mandrel, thereby driving the third roller to rotate in the first direction, when When the motor drives the third mandrel to rotate in the second direction, the third one-way bearing and the third mandrel slip, and the third roller does not move.
  • An optional embodiment of the paper separation mechanism further includes an elastic member, a lifting assembly, and a frame; wherein the lifting assembly includes a lifting member;
  • the pressure roller assembly includes a swing rod and a pressure roller, the swing rod is coupled to the pressure roller, the swing rod is pivotally coupled to the frame, and the pressure roller is swingable with the swing rod Selectively pressing or disengaging the pickup roller;
  • the elastic member provides a driving force for the press roller to always press the pickup roller, and the lift member can cause the press roller to disengage from the pickup roller against the elastic force of the elastic member.
  • the swing lever is pivotally connected to the frame through a pivot shaft, and the pivot shaft is located upstream of the pickup roller in a media conveying direction.
  • the pivot shaft upstream of the pickup roller, when the medium enters between the pickup roller and the pressure roller, the swing direction of the pressure roller is the same as the medium input direction, which can reduce the resistance of the pressure roller to the medium and prevent the medium from passing. Wrinkling and skewing due to excessive resistance during the separation mechanism question.
  • the lifting assembly further includes a swinging frame, wherein the first end of the swinging frame is pivotally connected to the frame by a swinging frame rotating shaft, and the second end of the swinging frame a plunger is disposed, the swing rod is provided with a long groove that cooperates with the insertion post; the lifting member of the lifting assembly swings by driving the swing frame to swing the swing rod, thereby making the pressure roller The elastic force of the elastic member is overcome from the paper take-up roller.
  • the swinging frame can be used to realize the distance amplifying effect, that is, the lifting member can drive the pressing roller to lift a large distance only by moving a small distance, which is advantageous for the compact design of the structure.
  • the lifting member is provided with a jack, and the jack is connectable with the swinging rod for pushing the pressing roller away from the elastic force of the elastic member Paper roll.
  • the lifting member is provided with a jack, and the jack is connectable with the swinging frame for pushing the swinging frame to swing, so that the pressing roller overcomes the The elastic force of the elastic member is released from the pickup roller.
  • the plunger when the plunger pushes the pressure roller out of the paper take-up roller, the plunger is located in the paper take-up roller and the paper separation roller in the medium conveying direction between.
  • the lifting assembly further includes a stopping member disposed on the lifting member, when the plunger pushes the pressing roller away from the pickup roller, The stopper is located between the pickup roller and the separation roller in the medium conveying direction.
  • the stopping member By arranging the stopping member on the lifting member, the movement of the motor driving stop member can be eliminated, the number of the motor is reduced, and the production cost is reduced.
  • the lifting assembly further includes a cam
  • the lifting member is movably connected to the frame, the cam is pivotally connected to the frame through a cam rotating shaft, the cam rotating shaft is drivingly connected to the motor, and an outer edge of the cam is overlapped with the lifting member
  • the lifting member can be pushed to move to push the pressing roller away from the pickup roller against the elastic force of the elastic member by the movement of the lifting member.
  • the second one-way bearing is coupled to the cam shaft;
  • the cam shaft is provided with a gear, and the outer ring of the second one-way bearing and the inner hole of the gear Fixedly connecting, an inner ring of the second one-way bearing is sleeved with the cam shaft, and the gear is drivingly connected to the motor;
  • the paper separating mechanism further includes a detecting component and a controller, wherein the detecting component is disposed in the conveying passage and disposed adjacent to the paper picking roller, and the detecting component and the motor respectively and the control Connected.
  • the elastic element is a torsion spring, and the first torsion arm of the torsion spring is connected to the frame, and the second torsion arm of the torsion spring is connected to the swing frame.
  • the oscillating frame Under the torsion of the torsion spring, the oscillating frame always has a driving tendency to rotate around the swinging shaft and drive the swinging rod to swing to the first position.
  • the present disclosure also provides a sheet-type medium processing apparatus comprising the paper separation mechanism as described above.
  • the paper separating mechanism provided by the present disclosure adopts a motor to realize multiple actions such as picking up paper, separating paper, lifting the roller assembly, and pressing the paper take-up roller, thereby reducing the number of motors and reducing the cost of the device.
  • FIG. 1 is a schematic structural view of a paper separation mechanism in the related art
  • FIG. 2 is a schematic structural view of a paper separation mechanism according to an embodiment of the present disclosure
  • FIG. 3 is a partial structural view of a paper separation mechanism according to an embodiment of the present disclosure.
  • FIG. 4 is a state of a paper separating mechanism when a swing lever is in a first position according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic view showing a state of a paper separating mechanism when a swing lever is in a second position according to an embodiment of the present disclosure
  • FIG. 6 is a schematic structural diagram of a driving assembly of a paper separation mechanism according to an embodiment of the present disclosure
  • FIG. 7 is a schematic structural diagram of a sheet-type medium processing apparatus of a paper separation mechanism according to an embodiment of the present disclosure.
  • a paper separation assembly 11, a paper take-up roller; 110, a first mandrel; 111, a first roller; 12, a pressure roller assembly; 120, a pivot shaft; 121, a swing rod; 1211, a board surface; Pressing roller; 123, long groove; 13, separating roller; 130, second mandrel; 131, second roller; 14, paper stopper roller; 140, third mandrel; 141, third roller;
  • lifting assembly 21, cam; 211, cam shaft; 22, lifting member; 221, ejector; 222, stop; 23, swing frame; 230, swing frame shaft; 24, torsion spring;
  • drive component 31, motor; 311, motor gear; 32, transmission component; 321, first gear; 322, second gear; 323, third gear; 324, fourth gear;
  • 100 a paper separation mechanism
  • 200 a media processing mechanism
  • 210 a first scanning mechanism
  • 220 a second scanning mechanism
  • 300 a conveyor roller set.
  • the paper separation mechanism includes a paper take-up roller 11, a paper separation roller 13, a paper stop roller 14, and a pressure roller assembly 12, wherein the paper take-up roller 11 and the paper separation are along the medium conveying direction.
  • the rollers 13 are sequentially arranged on the first side of the medium conveying passage
  • the pressing roller assembly 12 and the paper stopping roller 14 are sequentially arranged on the second side of the medium conveying passage
  • the pickup roller 11 is disposed opposite to the pressing roller assembly 12
  • the separating roller 13 is The paper stop rollers 14 are disposed opposite each other.
  • the paper separating mechanism further includes a driving assembly 3, a first transmission direction control member 6, and a second transmission direction control member 7, wherein the driving assembly 3 includes a motor 31, and the motor 31 passes through the transmission assembly 32 and the pickup roller 11 and the separation roller, respectively. 13.
  • the paper stop roller 14 and the pressure roller assembly 12 are drivingly connected.
  • the first transmission direction control member 6 and the second transmission direction control member 7 can alternately connect the motor 31 with the pickup roller 11, the separation roller 13, and the paper stopper roller.
  • a first drive path is formed between 14 or a second drive path is formed with the press roll assembly 12.
  • the first transmission direction control member 6 is disposed on the first driving path
  • the second transmission direction control member 7 is disposed on the second driving path; when the output shaft of the motor 31 is in the forward direction (clockwise direction in FIG. 4) When rotating, the motor 31 is connected to the pickup roller 11, the separation roller 13 and the paper stop roller 14, and the transmission between the motor 31 and the pressure roller assembly 12 is broken; when the output shaft of the motor 31 is reversed ( When rotating in the counterclockwise direction as shown in FIG. 4, the motor 31 is disconnected from the pickup roller 11, the separation roller 13 and the paper stop roller 14, and the motor 31 is connected to the pressure roller assembly 12.
  • the pickup roller 11 includes a first mandrel 110 and a first roller 111
  • the first transmission direction control member 6 includes a first one-way bearing 61, wherein the inner ring of the first one-way bearing 61 and the first mandrel The sleeve is fixedly inserted into the inner hole of the first roller 111
  • the transmission assembly 32 includes a first gear 321 fixed to the axial end of the first spindle 110 and coupled to the motor 31.
  • the motor 31 drives the first gear 321 to rotate in the first direction (clockwise direction as shown in FIG.
  • the first one-way bearing 61 and the first mandrel 110 Tightening, thereby driving the first roller 111 to rotate in the first direction, that is, the pickup roller 11 is rotated in the first direction, when the motor 31 drives the first gear 321 in the second direction (counterclockwise as shown in FIG. 4)
  • the motor 31 drives the first gear 321 in the second direction (counterclockwise as shown in FIG. 4)
  • the motor 31 does not drive the first roller 111 to rotate, that is, the pickup roller 11 does not move.
  • the separation roller 13 includes a second mandrel 130 and a second roller 131
  • the first transmission direction control member 6 further includes a fourth one-way bearing 63, wherein the inner ring and the second core of the fourth one-way bearing 63
  • the shaft 130 is sleeved, and the outer ring is fixedly inserted into the inner hole of the second roller 131.
  • the transmission assembly 32 further includes a second gear 322 fixedly mounted on the shaft end of the second spindle 130 and coupled to the motor 31.
  • the fourth one-way bearing 63 and the second mandrel 130 are hung, so that the motor 31 drives the second roller 131 to rotate in the first direction, that is, The paper roller 13 rotates in the first direction.
  • the fourth one-way bearing 63 slips relative to the second spindle 130, so that the motor 31 does not drive the second roller. 131 is rotated, that is, the separation roller 13 does not move.
  • the paper stop roller 14 includes a third mandrel 140 and a third roller 141
  • the first transmission direction control member 6 further includes a third one-way bearing 62, wherein the inner ring and the third core of the third one-way bearing 62
  • the shaft 140 is sleeved, and the outer ring is fixedly inserted into the inner hole of the third roller 141.
  • the transmission assembly 32 further includes a third gear 323 fixedly mounted on the axial end of the third spindle 140 and coupled to the motor 31.
  • the motor 31 drives the third gear 323 to rotate in the first direction
  • the third one-way bearing 62 and the third mandrel 140 are tightly held, so that the motor 31 drives the third roller 141 to rotate in the first direction, that is, the resistance
  • the paper roller 14 rotates in the first direction.
  • the motor 31 drives the third gear 323 to rotate in the second direction
  • the third one-way bearing 62 slips relative to the third spindle 140, and therefore, the motor 31 does not drive the third roller.
  • the 141 is rotated, that is, the paper stop roller 14 is not moved.
  • the direction of the force on the medium is the opposite direction of the medium conveying direction (as indicated by the arrow in FIG. 4), that is, upstream toward the medium conveying direction, and the direction of the force applied by the separation roller 13 on the medium is the medium conveying direction. That is, toward the downstream of the medium conveying direction, so that the separating roller 13 drives the medium in contact with the separation roller 13 to continue to move downstream in the medium conveying direction, and the paper stopping roller 14 blocks the medium in contact with the paper stopping roller 14 from being conveyed toward the medium. of Move downstream to ensure that only one piece of media is transported downstream.
  • the first transmission direction control member 6 includes only one first one-way bearing 61 that simultaneously controls the pickup roller 11, the separation roller 13, and the paper stopper through the transmission structure.
  • the roller 14, the output shaft of the motor 31 is connected to the first one-way bearing 61 through the transmission assembly 32.
  • the paper separating mechanism further includes an elastic member (not shown), a lifting assembly 2, and a frame 5.
  • the frame 5 includes a first sidewall 51, a second sidewall 52, a first channel plate 53, and a second channel plate 54, wherein the first sidewall 51 and the second sidewall 52 are spaced apart from each other in parallel.
  • the distance between the two is adapted to the width of the medium; the first channel plate 53 and the second channel plate 54 are vertically connected between the first side wall 51 and the second side wall 52, and the distance between the two is set at a distance to form a distance.
  • a medium conveying passage wherein a distance between the first side wall 51 and the second side wall 52 is a width of the medium conveying passage, and a distance between the first passage plate 53 and the second passage plate 54 is a height of the medium conveying passage,
  • the medium moves in a direction perpendicular to the width of the medium conveying passage (hereinafter referred to as a length direction of the medium conveying passage) in the medium conveying passage.
  • the pickup roller 11 and the separation roller 13 are sequentially arranged in the medium conveying direction on the side of the first passage plate 53 facing away from the medium conveying passage, and the two are respectively extended by the opening (not shown) of the first passage plate 53.
  • the pressure roller assembly 12 and the paper stop roller 14 are located on a side of the second passage plate 54 facing away from the medium conveying passage, and the paper stopping roller 14 is disposed at a distance from the separation roller 13.
  • the distance between the paper stop roller 14 and the separation roller 13 is greater than the thickness of the sheet of media, less than the thickness of the two media.
  • the pressure roller assembly 12 includes a swing rod 121 and a pressure roller 122.
  • the first end of the swing rod 121 is pivotally connected to the frame 5 through a pivot shaft 120.
  • the pressure roller 122 is disposed on the second end of the swing rod 121.
  • 122 is freely rotatable about its own axis, and the swing lever 121 swings about the pivot shaft 120 to have a first position and a second position, wherein when the swing lever 121 is in the first position, the pressure roller 122 is pressed on the pickup roller 11, two The set pressure is maintained between the pressure roller 122 and the pickup roller 11 when the swing lever 121 is in the second position, thereby forming a space in which the medium is placed.
  • the pivot shaft 120 is located upstream of the pickup roller 11, and the swing rod 121 is a plate-like structure extending along the width direction of the medium conveying passage, and the swing rod 121 includes a medium for guiding the movement.
  • the plate surface 1211 between the pressure roller 122 and the pickup roller 11 when the pressure roller 122 is pressed against the pickup roller 11, the plate surface 1211 is disposed at an acute angle with the first passage plate 53, and if the medium is placed, the surface is plated. The 1211 abuts against the medium, thereby guiding the medium to smoothly move between the pressure roller 122 and the pickup roller 11.
  • the lifting assembly 2 includes a cam 21 and a lifting member 22, wherein the swinging rod 121 always has a tendency to swing toward the first position under the elastic force of the elastic member.
  • the elastic member may be a tension spring. a structure such as a torsion spring; the lifting member 22 is movably connected to the frame 5, the lifting member 22 includes a jack 221; the cam 21 is pivotally connected to the frame 5 via a cam shaft 211, and the cam shaft 211 is drivingly coupled to the driving assembly 3, and the cam 21 is The outer edge overlaps the edge of the lifting member 22.
  • the lifting assembly 2 further includes a swing frame 23, and the swing rod 121 of the pressure roller assembly 12 is provided with a long slot 123.
  • the first end of the swing frame 23 passes through the swing frame shaft 230 and the frame 5
  • the second end is provided with a post (not shown), and the post is mated with the long slot 123 of the swing rod 121.
  • the post is inserted and long.
  • the groove 123 cooperates to drive the swing rod 121 to swing around the rotating shaft 120; when the medium is inserted between the swing rod 121 and the first passage plate 53, the medium driving swing rod 121 swings about the rotating shaft 120 to the second position, and the swing rod 121 passes through the long
  • the groove 123 is engaged with the insertion post, and the swing frame 23 can also be driven to swing about the swing frame rotation shaft 230.
  • the lifting member 22 can drive the pressing roller 122 to lift a large distance only by moving a small distance, thereby facilitating the compact design of the structure.
  • the second transmission direction control member 7 includes a second one-way bearing 71, wherein the second one-way bearing 71 is disposed at an end of the cam shaft 211, and the transmission assembly 32 further includes a fourth gear 324, and a second The inner ring of the one-way bearing 71 is sleeved with the cam shaft 211, the outer ring of the second one-way bearing 71 is fixedly inserted into the inner hole of the fourth gear 324 of the transmission assembly 32, and the motor 31 is connected to the fourth gear 324.
  • the motor 31 drives the fourth gear 324 to rotate in the first direction
  • the second one-way bearing 71 slips relative to the cam shaft 211, thus electricity
  • the machine 31 does not drive the cam 21 to rotate.
  • the motor 31 drives the fourth gear 324 to rotate in the second direction
  • the second one-way bearing 71 and the cam shaft 211 are held tight, so that the motor 31 drives the cam 21 to rotate in the second direction.
  • the elastic member is a torsion spring 24 (shown in FIG. 6), and the torsion spring 24 is sleeved on the swing frame rotating shaft 230 of the swing frame 23.
  • the first twist arm of the torsion spring 24 is connected to the frame 5, and is twisted.
  • the second torsion arm of the spring 24 is connected to the swing frame 23, and under the action of the torsion of the torsion spring 24, the swing frame 23 always has a rotation motion about the swing frame rotating shaft 230 to drive the swing rod 121 to rotate to the first position; 22 is movably connected to the first passage plate 53 at a first side of the first passage plate 53 facing away from the medium conveying passage.
  • the jack 221 sequentially passes through the first passage plate 53 and the second.
  • the opening in the channel plate 54 is in contact with the swing frame 23 on the second side of the medium conveying path, and drives the swing frame 23 to rotate about the swing frame rotating shaft 230.
  • the swing frame 23 drives the swinging bar 121 to swing about the rotating shaft 120 to the second position.
  • the first end of the elastic member may be connected to the frame 5, and the second end is connected to the swing rod 121. Under the elastic force of the elastic member, the swing rod 121 always has a direction. The tendency of the first position to swing.
  • the plunger 221 is located between the pickup roller 11 and the separation roller 13 when a stack of media is placed.
  • the leading end of the medium will be aligned along the ejector 221 to facilitate uniformity of transport when the separation mechanism separates the medium and transports the medium downstream.
  • the lifting member 22 is further provided with a stopping member 222.
  • the stopping member 222 is located upstream of the jack 221, and when the lifting member 22 is driven by the cam 21, the jack 221 passes through the first passage.
  • the stopper 222 is also inserted into the medium conveying passage through the opening in the first passage plate 53, and is located at the pickup roller 11 and the separation roller 13 Between (as shown in FIG. 5), when a stack of media is placed between the press roll 122 and the pickup roller 11, the leading end of the media will be aligned along the stop 222.
  • the number of the ejector pins 221 is two, spaced along the width direction of the medium, and the number of the stopping members 222 is also two, and is also arranged along the width of the medium, and the two ejector pins 221 and The two stopping members 222 are arranged in a quadrangular shape on the lifting member 22, and as the lifting member 22 moves, the two ejector pins 221 and the two stopping members 222 cooperate with the openings on the first passage plate 53 to guide the lifting member 22 The movement is smoother and inserted into the media transport path.
  • the lifting assembly 2 is not limited to the ones listed in the embodiment.
  • the lifting assembly 2 may be provided in other forms, such as a rack and pinion mechanism, by providing a rack that is fixedly coupled to the top rod 221 perpendicular to the medium conveying passage and a gear that meshes with the rack.
  • the gear driving rack moves along the height direction of the medium conveying passage, thereby driving the jack 221 to move along the height direction of the medium conveying passage.
  • FIG. 6 is a schematic structural diagram of a driving assembly of a paper separation mechanism according to an embodiment of the present disclosure.
  • the motor 31 of the driving assembly 3 is fixedly mounted on the first side wall 51, and the motor gear 311 (shown in FIG. 3) is fixedly mounted on the output shaft of the motor 31;
  • the transmission assembly 32 includes a plurality of gears.
  • a first one of the plurality of gears meshes with the motor gear 311, and four of the plurality of gears mesh with the first gear 321, the second gear 322, the third gear 323, and the fourth gear 324, respectively.
  • the driving component 3 is a gear transmission mode. In other embodiments, the driving component 3 may also be a belt transmission mode.
  • the paper separating mechanism further includes a detecting component 4 disposed on the first channel plate 53 and disposed adjacent to the paper take-up roller 11 for detecting whether a medium exists between the paper picking roller 11 and the pressure roller 122.
  • the detecting component 4 When there is no medium between the pickup roller 11 and the pressure roller 122, the detecting component 4 outputs a first signal, and when the medium is present between the pickup roller 11 and the pressure roller 122, the detecting component 4 outputs a second signal according to the detecting component 4 The outputted signal can judge whether or not a medium exists between the pickup roller 11 and the pressure roller 122.
  • the output shaft of the control motor 31 is rotated in the reverse direction by a first predetermined angle, in the first one-way bearing 61 and the fourth one-way bearing 63.
  • the third one-way bearing 62, the pickup roller 11, the separation roller 13, and the paper stop roller 14 are not moved, and the drive cam 32 and the second one-way bearing 71 drive the cam 21 around the cam shaft 211.
  • the cam 21 drives the lifting member 22 to move, and the jack 221 on the lifting member 22 drives the swinging rod 121 to swing to the second position by the swinging frame 23, so that the pressing roller 122 and the pickup roller 11 are spaced apart from each other by a set distance. Wait for the user to put the media.
  • the detecting component 4 After the user puts in the medium, the detecting component 4 outputs a second signal, and the output shaft of the control motor 31 continues to rotate in the reverse direction by a second predetermined angle, and the outer edge of the cam 21 moves away from the lifting member 22, and the swing frame 23 Under the action of the torsion of the torsion spring 24, the swing lever 121 is swung to the first position to press the press roller 122 against the medium.
  • the output shaft of the control motor 31 is rotated in the forward direction.
  • the cam 21 is not moved, in the first one-way bearing 61, the fourth one-way bearing 63, and the third one-way bearing 62.
  • the paper take-up roller 11, the separation roller 13 and the paper stop roller 14 are driven to rotate in the first direction, and the stack of media between the pickup roller 11 and the pressure roller 122 is separated one by one. Transported downstream.
  • the user can insert a stack of media along the plate surface 1211 of the swinging bar 121 on the pressing roller 122 and the pickup roller 11 during the separating process.
  • the medium drive swing lever 121 swings up to the second position, and then the swing lever 121 swings and resets under the torsion of the torsion spring 24 to press the press roller 122 against the medium.
  • the motor of the paper separating mechanism forms a first driving path or a pressure between the paper taking roller, the paper separating roller and the paper stopping roller through the first transmission direction control member and the second transmission direction control member.
  • the driving connection between the motor and the paper take-up roller, the paper separation roller and the paper-stop roller can drive the paper separation roller, the paper take-up roller, and the paper-stop roller to perform the paper-dividing operation.
  • the drive is disconnected; when the output shaft of the motor rotates in the reverse direction, the drive is disconnected between the motor and the pickup roller, the separation roller and the paper stop roller, and the drive connection between the motor and the pressure roller assembly can drive the pressure roller to be disengaged.
  • a paper roll so that a medium can be placed between the take-up roll and the press roll.
  • the paper separating mechanism provided by the present disclosure adopts a motor to realize multiple operations of taking paper, separating paper, and lifting the roller, thereby reducing the number of motors and reducing the equipment cost.
  • Fig. 7 is a schematic structural view of a sheet-like medium processing apparatus using the paper separation mechanism provided by the present disclosure.
  • the sheet-type medium processing apparatus includes a paper separation mechanism 100 and a medium processing mechanism 200, and at least one transport roller set 300, wherein the paper separation mechanism 100 can adopt any one of the above-described paper separation mechanisms.
  • the paper separation mechanism 100 can adopt any one of the above-described paper separation mechanisms.
  • the medium processing mechanism 200 is disposed on the medium conveying path of the paper separating mechanism 100, and is located downstream of the paper separating roller 13 in the medium conveying direction, and the medium processing mechanism 200 may be a printing mechanism, a scanning mechanism, and A combination of one or more of processing mechanisms such as a magnetic mechanism.
  • the media processing mechanism 200 includes a first scanning mechanism 210 and a second scanning mechanism 220.
  • the first scanning mechanism 210 and the second scanning mechanism 220 are respectively located at two sides of the medium conveying channel, wherein the first scanning mechanism 210 is installed.
  • the second scanning mechanism 220 is mounted on the second channel plate 54 opposite to the second side of the medium, Obtaining image information of the second side of the medium.
  • the conveying roller set 300 is disposed on the medium conveying path of the paper separating mechanism 100 for driving the medium to move along the medium conveying path, feeding the medium to the medium processing mechanism 200, or sending the medium for performing the medium processing operation to the sheet medium processing Outside the device.
  • the sheet-type medium processing apparatus includes two conveying roller sets 300 which are respectively disposed upstream and downstream of the medium processing mechanism 200 in the medium conveying direction for feeding the medium to the medium processing mechanism 200, and completing the medium.
  • the processing operation medium is sent to the outside of the sheet type media processing device.
  • the sheet-type medium processing mechanism in the present embodiment uses the paper separation mechanism provided by the present disclosure to reduce the equipment cost.

Abstract

一种分纸机构，包括取纸辊（11）、分纸辊（13）、阻纸辊（14）、压辊组件（12）、电机（31）、第一传动方向控制件（6）以及第二传动方向控制件（7），以使电机（31）择一地与取纸辊（11）、分纸辊（13）和阻纸辊（14）之间形成第一驱动路径，或与压辊组件（12）之间形成第二驱动路径，其中，第一传动方向控制件（6）设置在第一驱动路径上，第二传动方向控制件（7）设置在第二驱动路径上。该分纸机构减少了电机的数量，降低了设备的成本。一种使用该分纸机构的薄片类介质处理装置。

Description

分纸机构及使用该分纸机构的薄片类介质处理装置 技术领域
本公开涉及薄片介质处理领域，例如涉及一种分纸机构及使用该分纸机构的薄片类介质处理装置。
背景技术
相关技术中的薄片类介质处理装置，如打印机、扫描仪和识币器等，为了提高使用的便利性，往往设置分纸机构，用以将多张薄片类介质(为描述方便以下统称为介质)，如纸张、钞票和卡片等一张接一张依次送入薄片类介质处理装置内。
如图1所示，相关技术中的分纸机构包括取纸辊11′、压辊12′、分纸辊21′以及阻纸辊22′，其中，取纸辊11′和分纸辊21′位于介质的输送通道的第一侧，压辊12′和阻纸辊22′位于输送通道的第二侧，压辊12′设置在摆杆13′上，摆杆13′与第一电机31′传动连接，在第一电机31′的驱动下摆动，可使压辊12′靠近或远离取纸辊11′，分纸辊21′和阻纸辊22′相对间隔设置，取纸辊11′和分纸辊21′同时与第二电机32′传动连接，在第二电机32′的驱动下沿第一方向转动，阻纸辊22′与第三电机33′传动连接，在第三电机33′的驱动下沿第一方向转动，如图1所示，第一方向是指取纸辊11′、分纸辊21′以及阻纸辊22′顺时针转动方向，第二方向是与第一方向相反的转动方向，即图示的逆时针方向，分纸辊21′与阻纸辊22′同向顺时针转动时，分纸辊21′对介质施加朝向介质输送方向的下游的作用力，而阻纸辊22′则对介质施加朝向介质输送方向的上游的作用力，即分纸辊21′与阻纸辊22在同向转动时，分纸辊21′和阻纸辊22′施加给位于两者之间的介质的作用力的方向正好相反。
安装介质时，第一电机31′驱动摆杆13′沿第二方向摆动，使压辊12′远 离取纸辊11′，将一叠介质放置在取纸辊11′上，然后第一电机31′驱动摆杆13′复位，使压辊12′压在该叠介质上，在压辊12′的压力作用下，取纸辊11′与介质之间保持足够摩擦力；分离介质时，第二电机32′驱动取纸辊11′和分纸辊21′沿第一方向转动，第三电机33′驱动阻纸辊22′沿第一方向转动，取纸辊11′驱动与取纸辊11′接触的介质向分纸辊21′方向移动，当介质移动到分纸辊21′和阻纸辊22′之间时，分纸辊21′驱动与分纸辊21′接触的介质继续向下游移动，而阻纸辊22′阻止与阻纸辊22′接触的介质向下游移动，从而保证只有一张介质输送至下游。
相关技术中的这种分纸机构需要设置多个电机才能完成上述安装介质和分离介质的动作，由于电机的价格较高，因此，这种分纸机构存在成本高的问题。
发明内容
本公开的目的在于提供一种成本低廉的分纸机构，以及一种使用该分纸机构的薄片类介质处理装置。
一方面，本公开，提供一种分纸机构，包括取纸辊、分纸辊、阻纸辊和压辊组件，其中，所述取纸辊与所述分纸辊沿介质输送方向依次排列在介质输送通道的第一侧，所述压辊组件与所述阻纸辊排列在介质输送通道的第二侧，所述取纸辊与所述压辊组件相对设置，所述分纸辊与所述阻纸辊相对设置，还包括：
电机，第一传动方向控制件和第二传动方向控制件，以使所述电机择一地与所述取纸辊、分纸辊和阻纸辊之间形成第一驱动路径，或与所述压辊组件之间形成第二驱动路径；
其中，所述第一传动方向控制件设置在所述第一驱动路径上，所述第二传动方向控制件设置在所述第二驱动路径上；当所述电机的输出轴沿正向转动时，所述电机与所述取纸辊、所述分纸辊和所述阻纸辊之间传动连接，所述电机与 所述压辊组件之间的传动断开；当所述电机的输出轴沿反向转动时，所述电机与所述取纸辊、所述分纸辊和所述阻纸辊之间传动断开，所述电机与所述压辊组件之间传动连接。
作为分纸机构的一种可选方案，所述第一传动方向控制件包括第一单向轴承，所述第二传动方向控制件包括第二单向轴承，其中，所述第一单向轴承使所述电机的输出轴沿正向转动时，所述取纸辊、所述分纸辊和所述阻纸辊沿第一方向转动，所述电机的输出轴沿反向转动时，所述取纸辊、所述分纸辊和所述阻纸辊停止转动；以及所述第二单向轴承使所述电机的输出轴沿反向转动时，所述电机与所述压辊组件之间传动连接，所述电机的输出轴沿正向转动时，所述电机与所述压辊组件之间传动断开。
可选的，所述传动方向控制件包括三单向轴承，分别为设置于所述取纸辊、所述分纸辊和所述阻纸辊内的第一单向轴承、第四单向轴承和第三单向轴承；
所述电机的输出轴端设置传动组件，所述传动组件包括齿轮组，当所述电机通过所述齿轮组进行传动时，所述第一单向轴承、所述第四单向轴承和所述第三单向轴承可使所述取纸辊、所述分纸辊和所述阻纸辊选择性沿第一方向转动。
通过设置第一单向轴承、第四单向轴承和第三单向轴承，可以使取纸辊、分纸辊以及阻纸辊选择性转动，以配合整个装置完成分纸和取纸动作。
可选的，所述取纸辊包括第一芯轴和第一辊轮；
所述第一单向轴承的内圈与所述第一芯轴套接，外圈与所述第一辊轮的内孔固定插接，所述第一芯轴与所述电机传动连接；
当所述电机驱动所述第一芯轴沿第一方向转动时，所述第一单向轴承与所述第一芯轴抱紧，从而带动所述第一辊轮沿第一方向转动，当所述电机驱动所述第一芯轴沿第二方向转动时，所述第一单向轴承与所述第一芯轴打滑，所述第一辊轮不动。
可选的，所述分纸辊包括第二芯轴和第二辊轮；
所述第四单向轴承的内圈与所述第二芯轴套接，外圈与所述第二辊轮的内孔固定插接，所述第二芯轴与所述电机传动连接；
当所述电机驱动所述第二芯轴沿第一方向转动时，所述第四单向轴承与所述第二芯轴抱紧，从而带动所述第二辊轮沿第一方向转动，当所述电机驱动所述第二芯轴沿第二方向转动时，所述第四单向轴承与所述第二芯轴打滑，所述第二辊轮不动。
可选的，所述阻纸辊包括第三芯轴和第三辊轮；
所述第三单向轴承的内圈与所述第三芯轴套接，外圈与所述第三辊轮的内孔固定插接，所述第三芯轴与所述电机传动连接；
当所述电机驱动所述第三芯轴沿第一方向转动时，所述第三单向轴承与所述第三芯轴抱紧，从而带动所述第三辊轮沿第一方向转动，当所述电机驱动所述第三芯轴沿第二方向转动时，所述第三单向轴承与所述第三芯轴打滑，所述第三辊轮不动。
作为分纸机构的一种可选方案，还包括弹性元件、升降组件，以及机架；其中，所述升降组件包括升降件；
所述压辊组件包括摆杆和压辊，所述摆杆与所述压辊连接，所述摆杆可摆动地与所述机架枢接，所述压辊可随所述摆杆的摆动选择性地压紧或脱离所述取纸辊；以及
所述弹性元件提供使所述压辊始终具有压紧所述取纸辊的驱动力，所述升降件可使所述压辊克服所述弹性元件的弹力脱离所述取纸辊。
可选的，所述摆杆通过枢接轴与所述机架枢接，且沿介质输送方向，所述枢接轴位于所述取纸辊的上游。通过将枢接轴设置在取纸辊的上游，使得当介质进入取纸辊和压辊之间时，压辊的摆动方向与介质输入方向相同，可以减少压辊对介质的阻力，避免介质通过分纸机构时因阻力过大出现起皱、偏斜的问 题。
作为分纸机构的一种可选方案，所述升降组件还包括摆动架，其中，所述摆动架的第一端通过摆动架转轴与所述机架枢接，所述摆动架的第二端设置有插柱，所述摆杆上设置有与所述插柱配合的长槽；所述升降组件的升降件通过驱动所述摆动架摆动，使所述摆杆摆动，从而使所述压辊克服所述弹性元件的弹力脱离所述取纸辊。
通过设置摆动架，可以利用摆动架实现距离放大作用，即升降件只需移动较小距离就可以驱动压辊抬起较大距离，有利于结构小型化设计。
作为分纸机构的一种可选方案，所述升降件上设置顶杆，所述顶杆可与所述摆杆连接，用于推动所述压辊克服所述弹性元件的弹力脱离所述取纸辊。
作为分纸机构的一种可选方案，所述升降件上设置顶杆，所述顶杆可与所述摆动架连接，用于推动所述摆动架摆动，以使所述压辊克服所述弹性元件的弹力脱离所述取纸辊。
作为分纸机构的一种可选方案，当所述顶杆推动所述压辊脱离所述取纸辊时，沿介质输送方向，所述顶杆位于所述取纸辊与所述分纸辊之间。
作为分纸机构的一种可选方案，所述升降组件还包括停止件，所述停止件设置在所述升降件上，当所述顶杆推动所述压辊脱离所述取纸辊时，沿介质输送方向，所述停止件位于所述取纸辊与所述分纸辊之间。
通过将停止件设置在升降件上，可以不用在额外增加电机驱动停止件动作，减少了电机的使用数量，降低了生产成本。
作为分纸机构的一种可选方案，所述升降组件还包括凸轮；
其中，所述升降件与机架活动连接，所述凸轮通过凸轮转轴与所述机架枢接，所述凸轮转轴与所述电机传动连接，所述凸轮的外缘与所述升降件搭接，可推动所述升降件移动，以通过所述升降件的移动来推动所述压辊克服所述弹性元件的弹力脱离所述取纸辊。
作为分纸机构的一种可选方案，所述第二单向轴承与所述凸轮转轴连接；所述凸轮转轴上设置齿轮，所述第二单向轴承的外圈与所述齿轮的内孔固定插接，所述第二单向轴承的内圈与所述凸轮转轴套接，以及，所述齿轮与所述电机传动连接；
其中，当所述电机驱动所述齿轮沿第一方向转动时，所述第二单向轴承与所述凸轮转轴打滑，所述凸轮不转动；当所述电机驱动所述齿轮沿第二方向转动时，所述第二单向轴承与所述凸轮转轴抱紧，所述凸轮转动。
可选的，所述分纸机构还包括检测组件和控制器，所述检测组件设置在输送通道内，并邻近于所述取纸辊设置，所述检测组件和所述电机分别与所述控制器连接。
可选的，所述弹性元件为扭簧，所述扭簧的第一扭臂与所述机架连接，扭簧的第二扭臂与所述摆动架连接。
在扭簧的扭力作用下，摆动架始终具有绕摆动架转轴转动并驱动摆杆向第一位置摆动的驱动趋势。
另一方面，本公开还提供一种薄片类介质处理装置，包括如上所述的分纸机构。
本公开提供的分纸机构采用一个电机可实现取纸、分纸、压辊组件抬起和压紧取纸辊等多个动作，减少了电机的数量，降低了设备的成本。
附图说明
图1为相关技术中的分纸机构的结构示意图；
图2为根据本公开一实施例提供的分纸机构的结构示意图；
图3为根据本公开一实施例提供的分纸机构的局部结构视图；
图4是根据本公开一实施例提供的分纸机构在摆杆位于第一位置时的状态 示意图；
图5是根据本公开一实施例提供的分纸机构在摆杆位于第二位置时的状态示意图；
图6为根据本公开一实施例提供的分纸机构的驱动组件的结构示意图；
图7是根据本公开一实施例提供的分纸机构的薄片类介质处理装置的结构示意图。
图1中：
11′、取纸辊；12′、压辊；13′、摆杆；21′、分纸辊；22′、阻纸辊；31′、第一电机；32′、第二电机；33′、第三电机。
图2至7中：
1、分纸组件；11、取纸辊；110、第一芯轴；111、第一辊轮；12、压辊组件；120、枢接轴；121、摆杆；1211、板面；122、压辊；123、长槽；13、分纸辊；130、第二芯轴；131、第二辊轮；14、阻纸辊；140、第三芯轴；141、第三辊轮；
2、升降组件；21、凸轮；211、凸轮转轴；22、升降件；221、顶杆；222、停止件；23、摆动架；230、摆动架转轴；24、扭簧；
3、驱动组件；31、电机；311、电机齿轮；32、传动组件；321、第一齿轮；322、第二齿轮；323、第三齿轮；324、第四齿轮；
4、检测组件；
5、机架、51、第一侧壁；52、第二侧壁；53、第一通道板；54、第二通道板；
6、第一传动方向控制件；61、第一单向轴承；62、第三单向轴承；63、第四单向轴承；
7、第二传动方向控制件；71、第二单向轴承；
100、分纸机构；200、介质处理机构；210、第一扫描机构；220、第二扫描机构；300、输送辊组。
具体实施方式
下面结合附图并通过具体实施方式来进一步说明本公开的技术方案。
如图2～6所示，本公开提供的分纸机构包括取纸辊11、分纸辊13、阻纸辊14和压辊组件12，其中，沿介质输送方向，取纸辊11与分纸辊13依次排列在介质输送通道的第一侧，压辊组件12与阻纸辊14依次排列在介质输送通道的第二侧，取纸辊11与压辊组件12相对设置，分纸辊13与阻纸辊14相对设置。
分纸机构还包括驱动组件3、第一传动方向控制件6以及第二传动方向控制件7，其中，驱动组件3包括电机31，电机31通过传动组件32分别与取纸辊11、分纸辊13、阻纸辊14以及压辊组件12传动连接，第一传动方向控制件6和第二传动方向控制件7可使电机31择一地与取纸辊11、分纸辊13和阻纸辊14之间形成第一驱动路径，或与压辊组件12之间形成第二驱动路径。
其中，第一传动方向控制件6设置在第一驱动路径上，第二传动方向控制件7设置在第二驱动路径上；当电机31的输出轴沿正向(如图4中的顺时针方向)转动时，电机31与取纸辊11、分纸辊13和阻纸辊14之间传动连接，电机31与压辊组件12之间的传动断开；当电机31的输出轴沿反向(如图4中的逆时针方向)转动时，电机31与取纸辊11、分纸辊13和阻纸辊14之间传动断开，电机31与压辊组件12之间传动连接。
其中，取纸辊11包括第一芯轴110和第一辊轮111，第一传动方向控制件6包括第一单向轴承61，其中，第一单向轴承61的内圈与第一芯轴110套接，外圈与第一辊轮111的内孔固定插接；传动组件32包括第一齿轮321，第一齿轮321固定在第一芯轴110的轴端，并与电机31传动连接，当电机31驱动第一齿轮321沿第一方向(如图4中所示的顺时针方向)转动时，第一单向轴承61与第一芯轴110 抱紧，从而带动第一辊轮111沿第一方向转动，即取纸辊11沿第一方向转动，当电机31驱动第一齿轮321沿第二方向(如图4中所示的逆时针方向)转动时，第一单向轴承61相对于第一芯轴110打滑，因此，电机31不会带动第一辊轮111转动，即取纸辊11不动。
其中，分纸辊13包括第二芯轴130和第二辊轮131，第一传动方向控制件6还包括第四单向轴承63，其中，第四单向轴承63的内圈与第二芯轴130套接，外圈与第二辊轮131的内孔固定插接；传动组件32还包括第二齿轮322，第二齿轮322固定安装在第二芯轴130的轴端，并与电机31传动连接，当电机31驱动第二齿轮322沿第一方向转动时，第四单向轴承63与第二芯轴130抱紧，从而电机31带动第二辊轮131沿第一方向转动，即分纸辊13沿第一方向转动，当电机31驱动第二齿轮322沿第二方向转动时，第四单向轴承63相对于第二芯轴130打滑，因此，电机31不会带动第二辊轮131转动，即分纸辊13不动。
其中，阻纸辊14包括第三芯轴140和第三辊轮141，第一传动方向控制件6还包括第三单向轴承62，其中，第三单向轴承62的内圈与第三芯轴140套接，外圈与第三辊轮141的内孔固定插接，传动组件32还包括第三齿轮323，第三齿轮323固定安装在第三芯轴140的轴端，并与电机31传动连接，当电机31驱动第三齿轮323沿第一方向转动时，第三单向轴承62与第三芯轴140抱紧，从而电机31带动第三辊轮141沿第一方向转动，即阻纸辊14沿第一方向转动，当电机31驱动第三齿轮323沿第二方向转动时，第三单向轴承62相对于第三芯轴140打滑，因此，电机31不会带动第三辊轮141转动，即阻纸辊14不动。
由于阻纸辊14与分纸辊13是相对设置在介质输送通道的两侧，因此当阻纸辊14与分纸辊13均通过驱动组件3沿第一方向转动时，阻纸辊14施加在介质上的作用力的方向是介质输送方向(如图4中箭头所示)的反方向，即朝向介质输送方向的上游，而分纸辊13施加在介质上的作用力的方向是介质输送方向，即朝向介质输送方向的下游，以使分纸辊13驱动与分纸辊13接触的介质继续向介质输送方向的下游移动，阻纸辊14阻止与阻纸辊14接触的介质向介质输送方向的 下游移动，从而保证只有一张介质被输送至下游。
在本公开的其他实施例中，第一传动方向控制件6仅包括一个第一单向轴承61，此第一单向轴承61通过传动结构同时控制取纸辊11、分纸辊13和阻纸辊14，电机31的输出轴通过传动组件32与第一单向轴承61连接，当电机31的输出轴沿正向转动时，取纸辊11、分纸辊13和阻纸辊14沿第一方向转动；当电机31的输出轴沿反向转动时，取纸辊11、分纸辊13和阻纸辊14停止转动。
分纸机构还包括弹性元件(图中未示出)、升降组件2，以及机架5。
其中，机架5包括第一侧壁51、第二侧壁52、第一通道板53，以及第二通道板54，其中第一侧壁51和第二侧壁52相对平行间隔设置，两者之间的距离与介质的宽度相适配；第一通道板53和第二通道板54垂直地连接在第一侧壁51和第二侧壁52之间，两者相对间隔设定距离，形成介质输送通道，其中，第一侧壁51与第二侧壁52之间的距离为介质输送通道的宽度，第一通道板53与第二通道板54之间的距离为介质输送通道的高度，介质在介质输送通道内沿垂直于介质输送通道的宽度的方向(以下称为介质输送通道的长度方向)移动。
取纸辊11和分纸辊13沿介质输送方向依次排列在第一通道板53的背离介质输送通道的一侧，两者分别由第一通道板53的开口(图中未示出)伸入介质输送通道内；压辊组件12和阻纸辊14位于第二通道板54的背离介质输送通道的一侧，阻纸辊14与分纸辊13相对间隔设置。可选的，阻纸辊14与分纸辊13两者之间的距离大于单张介质的厚度，小于两张介质的厚度。
压辊组件12包括摆杆121和压辊122，其中，摆杆121的第一端通过枢接轴120与机架5枢接，压辊122设置在摆杆121的第二端上，压辊122可以绕自身轴线自由转动，摆杆121绕枢接轴120摆动具有第一位置和第二位置，其中，当摆杆121位于第一位置时，压辊122按压在取纸辊11上，两者之间保持设定的压力，当摆杆121位于第二位置时，压辊122与取纸辊11之间间隔设定距离，形成放置介质的空间。本实施例中，沿介质输送方向，枢接轴120位于取纸辊11的上游，摆杆121为沿介质输送通道宽度方向延伸的板状结构，摆杆121包括用于引导介质移 动至压辊122与取纸辊11之间的板面1211，当压辊122压在取纸辊11上时，板面1211与第一通道板53呈锐角设置，如果放置介质时，板面1211与介质抵接，从而引导介质顺畅地移动至压辊122与取纸辊11之间。
其中，升降组件2包括凸轮21、升降件22，其中，在弹性元件的弹性力的作用下，摆杆121始终具有向第一位置摆动的运动趋势，可选的，弹性元件可以为拉簧、扭簧等结构形式；升降件22与机架5活动连接，升降件22包括顶杆221；凸轮21通过凸轮转轴211与机架5枢接，凸轮转轴211与驱动组件3传动连接，凸轮21的外缘与升降件22的边缘搭接。当凸轮21在驱动组件3的驱动下绕凸轮转轴211旋转第一设定角度时，凸轮21的外缘驱动升降件22移动，移动的升降件22的顶杆221驱动摆杆121克服弹性元件的弹性力绕转轴120由第一位置转动至第二位置，当凸轮21在驱动组件3的驱动下绕凸轮转轴211旋转第二设定角度时，凸轮21的外缘与升降件22分离，摆杆121在弹性元件的弹性力的作用下，绕转轴120摆动至第一位置。可选的，本实施例中，升降组件2还包括摆动架23，压辊组件12的摆杆121上设置有长槽123，摆动架23的第一端通过摆动架转轴230与机架5枢接，第二端上设置有插柱(图中未示出)，插柱与摆杆121上的长槽123插接配合，当摆动架23绕摆动架转轴230摆动时，通过插柱与长槽123配合，可驱动摆杆121绕转轴120摆动；当将介质插入摆杆121与第一通道板53之间时，介质驱动摆杆121绕转轴120向第二位置摆动，摆杆121通过长槽123与插柱配合，同样可以驱动摆动架23绕摆动架转轴230摆动。本实施例通过摆动架23的杠杆放大作用，升降件22只需移动较小距离就可以驱动压辊122抬起较大距离，因此，有利于结构小型化设计。
在本实施例中，第二传动方向控制件7包括第二单向轴承71，其中，第二单向轴承71设置在凸轮转轴211的端部，传动组件32还包括第四齿轮324，第二单向轴承71的内圈与凸轮转轴211套接，第二单向轴承71的外圈与传动组件32的第四齿轮324的内孔固定插接，电机31与第四齿轮324传动连接。当电机31驱动第四齿轮324沿第一方向转动时，第二单向轴承71相对凸轮转轴211打滑，因此电 机31不会带动凸轮21转动，当电机31驱动第四齿轮324沿第二方向转动时，第二单向轴承71与凸轮转轴211抱紧，因此电机31驱动凸轮21沿第二方向转动。
本实施例中，弹性元件为扭簧24(如图6所示)，扭簧24套接在摆动架23的摆动架转轴230上，扭簧24的第一扭臂与机架5连接，扭簧24的第二扭臂与摆动架23连接，在扭簧24的扭力的作用下，摆动架23始终具有绕摆动架转轴230转动，驱动摆杆121向第一位置转动的运动趋势；升降件22与第一通道板53活动连接，位于第一通道板53的背离介质输送通道的第一侧，当凸轮21驱动升降件22移动时，顶杆221依次穿过第一通道板53、第二通道板54上的开口与位于介质输送通道第二侧的摆动架23接触，并驱动摆动架23绕摆动架转轴230转动，摆动架23驱动摆杆121绕转轴120向第二位置摆动。在本公开的其他实施例中，还可以设置为弹性元件的第一端与机架5连接，第二端与摆杆121连接，在弹性元件的弹性力的作用下，摆杆121始终具有向第一位置摆动的运动趋势。
可选的，当摆动架23通过摆杆121驱动压辊122脱离取纸辊11时，沿介质输送方向，顶杆221位于取纸辊11与分纸辊13之间，当一叠介质被放置在压辊122与取纸辊11之间时，介质的前端将沿顶杆221对齐，以利于分纸机构分离介质并向下游输送介质时的输送一致性。
可选的，升降件22上还设置有停止件222，沿介质输送方向，停止件222位于顶杆221的上游，当升降件22在凸轮21的驱动下移动，顶杆221穿过第一通道板53、第二通道板54上的开口与摆动架23接触时，停止件222也穿过第一通道板53上的开口插入到介质输送通道内，并位于取纸辊11和分纸辊13之间(如图5所示)，当一叠介质被放置在压辊122与取纸辊11之间时，介质的前端将沿停止件222对齐。本实施例中，可选的，顶杆221的数量为两个，沿介质的宽度方向间隔设置，停止件222的数量也为两个，也沿介质的宽度间隔设置，两个顶杆221和两个停止件222四者呈四角形设置在升降件22上，随升降件22移动，两个顶杆221和两个停止件222四者与第一通道板53上的开口配合，引导升降件22移动更加平稳，插入到介质输送通道。
需要说明的是，升降组件2不限于本实施例列举的方式。在本公开的其他实施例中，升降组件2可以设置成其他形式，如齿轮齿条机构，通过设置垂直于介质输送通道的、与顶杆221固定连接的齿条及与齿条啮合传动的齿轮，当驱动组件3驱动齿轮转动时，齿轮驱动齿条沿介质输送通道的高度方向移动，从而带动顶杆221沿介质输送通道的高度方向移动。
图6为根据本公开一实施例提供的分纸机构的驱动组件的结构示意图。如图6所示，驱动组件3的电机31固定安装在第一侧壁51上，在电机31的输出轴上固定安装有电机齿轮311(如图3所示)；传动组件32包括多个齿轮，多个齿轮中的第一个齿轮与电机齿轮311啮合，多个齿轮中的四个齿轮分别与第一齿轮321、第二齿轮322、第三齿轮323，以及第四齿轮324啮合。需要说明的是，本实施例中，驱动组件3为齿轮传动方式，在其他实施例中，驱动组件3也可以为带传动方式。
可选的，分纸机构还包括检测组件4，检测组件4设置至第一通道板53上，邻近于取纸辊11设置，用于检测取纸辊11与压辊122之间是否存在介质。当取纸辊11与压辊122之间没有介质时，检测组件4输出第一信号，当取纸辊11与压辊122之间存在介质时，检测组件4输出第二信号，根据检测组件4输出的信号可以判断取纸辊11与压辊122之间是否存在介质。
下面介绍本公开提供的分纸机构的工作过程。
待机状态下，根据检测组件4的信号，当检测组件4输出第一信号时，控制电机31的输出轴沿反向转动第一预定角度，在第一单向轴承61、第四单向轴承63，以及第三单向轴承62的作用下，取纸辊11、分纸辊13，以及阻纸辊14不动，通过传动组件32和第二单向轴承71驱动凸轮21绕凸轮转轴211沿第二方向转动，凸轮21驱动升降件22移动，升降件22上的顶杆221通过摆动架23驱动摆杆121向第二位置摆动，使压辊122与取纸辊11之间间隔设定距离，等待用户放入介质。
当用户放入介质后，检测组件4输出第二信号，控制电机31的输出轴沿反向继续转动第二预定角度，凸轮21的外缘向远离升降件22的方向移动，摆动架23 在扭簧24的扭力的作用下，驱动摆杆121向第一位置摆动，使压辊122压在介质上。
然后控制电机31的输出轴沿正向转动，在第二单向轴承71的作用下，凸轮21不动，在第一单向轴承61、第四单向轴承63，以及第三单向轴承62的作用下，驱动取纸辊11、分纸辊13和阻纸辊14沿第一方向转动，将位于取纸辊11和压辊122之间的一叠介质被一张接一张地分离并向下游输送。
可选的，在分纸机构分纸过程中，如果用户发现介质将要分离完毕，用户可以在分纸过程中将一叠介质沿摆杆121的板面1211塞在压辊122与取纸辊11之间，此时，介质驱动摆杆121向第二位置摆动抬起，然后摆杆121在扭簧24的扭力的作用下摆动复位，将压辊122压在介质上。
本公开提供的分纸机构的电机通过第一传动方向控制件和第二传动方向控制件，择一地与取纸辊、分纸辊、阻纸辊之间形成第一驱动路径，或与压辊组件之间形成第二驱动路径，其中，第一传动方向控制件设置在第一驱动路径上，第二传动方向控制件设置在第二驱动路径上；当电机的输出轴沿正向转动时，电机与取纸辊、分纸辊和阻纸辊之间传动连接，可驱动分纸辊、取纸辊，以及阻纸辊转动进行分纸操作，此时，电机与压辊组件之间的传动断开；当电机的输出轴沿反向转动时，电机与取纸辊、分纸辊和阻纸辊之间传动断开，电机与压辊组件之间传动连接，可驱动压辊脱离取纸辊，从而可以在取纸辊与压辊之间放置介质。与相关技术相比，本公开提供的分纸机构采用一个电机实现了取纸、分纸、以及压辊抬起多个动作，减少了电机数量，降低了设备成本。
图7是使用本公开提供的分纸机构的薄片类介质处理装置的结构示意图。如图7所示，本实施例中，薄片类介质处理装置包括分纸机构100和介质处理机构200，以及至少一个输送辊组300，其中，分纸机构100可以采用上述任意一种分纸机构，分纸机构的结构形式和工作过程参见上述实施例，此处不再赘述。
其中，介质处理机构200设置在分纸机构100的介质输送通道上，沿介质输送方向位于分纸辊13的下游，介质处理机构200可以是打印机构、扫描机构以及 读磁机构等处理机构中的一种或几种的组合。本实施例中，介质处理机构200包括第一扫描机构210和第二扫描机构220，第一扫描机构210和第二扫描机构220分别位于介质输送通道的两侧，其中，第一扫描机构210安装在第一通道板53上，与介质的第一面相对，用于获取介质第一面的图像信息；第二扫描机构220安装在第二通道板54上，与介质的第二面相对，用于获取介质的第二面的图像信息。
输送辊组300设置在分纸机构100的介质输送通道上，用于驱动介质沿介质输送通道移动，将介质送至介质处理机构200处，或将完成介质处理操作的介质送至薄片类介质处理装置外部。本实施例中，薄片类介质处理装置包括两个输送辊组300，沿介质输送方向分别设置在介质处理机构200的上游和下游，用于将介质送至介质处理机构200处，并将完成介质处理操作的介质送至薄片类介质处理装置外部。
本实施例中的薄片类介质处理机构使用本公开提供的分纸机构，降低了设备成本。
本公开的“第一”、“第二”、“第三”、“第四”等等，仅仅用于在描述上加以区分，并没有特殊的含义。
以上所述仅为本公开的可选实施例而已，并不用于限制本公开，对于本领域的技术人员来说，本公开可以有各种更改和变化。

Claims (10)

  1. 一种分纸机构，包括取纸辊、分纸辊、阻纸辊和压辊组件，其中，所述取纸辊与所述分纸辊沿介质输送方向依次排列在介质输送通道的第一侧，所述压辊组件与所述阻纸辊排列在介质输送通道的第二侧，所述取纸辊与所述压辊组件相对设置，所述分纸辊与所述阻纸辊相对设置，还包括：
    电机，第一传动方向控制件和第二传动方向控制件，以使所述电机择一地与所述取纸辊、分纸辊和阻纸辊之间形成第一驱动路径，或与所述压辊组件之间形成第二驱动路径；
    其中，所述第一传动方向控制件设置在所述第一驱动路径上，所述第二传动方向控制件设置在所述第二驱动路径上；当所述电机的输出轴沿正向转动时，所述电机与所述取纸辊、所述分纸辊和所述阻纸辊之间传动连接，所述电机与所述压辊组件之间的传动断开；当所述电机的输出轴沿反向转动时，所述电机与所述取纸辊、所述分纸辊和所述阻纸辊之间传动断开，所述电机与所述压辊组件之间传动连接。
  2. 根据权利要求1所述的分纸机构，所述第一传动方向控制件包括第一单向轴承，所述第二传动方向控制件包括第二单向轴承，其中，所述第一单向轴承使所述电机的输出轴沿正向转动时，所述取纸辊、所述分纸辊和所述阻纸辊沿第一方向转动，所述电机的输出轴沿反向转动时，所述取纸辊、所述分纸辊和所述阻纸辊停止转动；以及所述第二单向轴承使所述电机的输出轴沿反向转动时，所述电机与所述压辊组件之间传动连接，所述电机的输出轴沿正向转动时，所述电机与所述压辊组件之间传动断开。
  3. 根据权利要求2所述的分纸机构，还包括弹性元件、升降组件，以及机架；
    其中，所述升降组件包括升降件；
    所述压辊组件包括摆杆和压辊，所述摆杆与所述压辊连接，所述摆杆可摆动地与所述机架枢接，所述压辊可随所述摆杆的摆动选择性地压紧或脱离所述取纸辊；以及
    所述弹性元件提供使所述压辊始终具有压紧所述取纸辊的驱动力，所述升降件可使所述压辊克服所述弹性元件的弹力脱离所述取纸辊。
  4. 根据权利要求3所述的分纸机构，所述升降组件还包括摆动架，其中，所述摆动架的第一端通过摆动架转轴与所述机架枢接，所述摆动架的第二端设置有插柱，所述摆杆上设置有与所述插柱配合的长槽；所述升降组件通过所述摆动架使所述压辊克服所述弹性元件的弹力脱离所述取纸辊。
  5. 根据权利要求3所述的分纸机构，所述升降件上设置顶杆，所述顶杆可与所述摆杆连接，用于推动所述压辊克服所述弹性元件的弹力脱离所述取纸辊。
  6. 根据权利要求5所述的分纸机构，当所述顶杆推动所述压辊脱离所述取纸辊时，沿介质输送方向，所述顶杆位于所述取纸辊与所述分纸辊之间。
  7. 根据权利要求5所述的分纸机构，所述升降组件还包括停止件，所述停止件设置在所述升降件上，当所述顶杆推动所述压辊脱离所述取纸辊时，沿介质输送方向，所述停止件位于所述取纸辊与所述分纸辊之间。
  8. 根据权利要求3所述的分纸机构，所述升降组件还包括凸轮；
    其中，所述升降件与机架活动连接，所述凸轮通过凸轮转轴与所述机架枢接，所述凸轮转轴与所述电机传动连接，所述凸轮的外缘与所述升降件搭接，可推动所述升降件移动，以通过所述升降件的移动来推动所述压辊克服所述弹 性元件的弹力脱离所述取纸辊。
  9. 根据权利要求8所述的分纸机构，所述第二单向轴承与所述凸轮转轴连接；所述凸轮转轴上设置齿轮，所述第二单向轴承的外圈与所述齿轮的内孔固定插接，所述第二单向轴承的内圈与所述凸轮转轴套接，以及，所述齿轮与所述电机传动连接；
    其中，当所述电机驱动所述齿轮沿第一方向转动时，所述第二单向轴承与所述凸轮转轴打滑，所述凸轮不转动；当所述电机驱动所述齿轮沿第二方向转动时，所述第二单向轴承与所述凸轮转轴抱紧，所述凸轮转动。
  10. 一种薄片类介质处理装置，包括如权利要求1至9任一项所述的分纸机构。
PCT/CN2016/086827 2015-07-03 2016-06-23 分纸机构及使用该分纸机构的薄片类介质处理装置 WO2017005093A1 (zh)

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