CN211684173U

CN211684173U - Turnover mechanism, double-sided jet printing device formed by turnover mechanism and double-sided jet printing system

Info

Publication number: CN211684173U
Application number: CN201922171998.2U
Authority: CN
Inventors: 郭剑慧
Original assignee: Wuhan Yifang Information Engineering Co ltd
Current assignee: Wuhan Yifang Information Engineering Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-10-16
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a turn-over mechanism and a double-sided spray printing device and a double-sided spray printing system composed of the turn-over mechanism, the turn-over mechanism comprises a driving device, two support plates and two paper transfer rollers, the two support plates are distributed at intervals, the two paper transfer rollers are horizontally arranged between the two support plates along the left and right direction, both ends of the two paper transfer rollers are rotatably connected with the two support plates, the surfaces of the two paper transfer rollers are mutually attached, the two paper transfer rollers are respectively provided with paper transfer tooth bars, the tooth mouths of the paper transfer tooth bars of the two paper transfer rollers are opposite in direction, the driving device is used for driving the two paper transfer rollers to synchronously and reversely rotate, when the paper transfer tooth bars of the two paper transfer rollers are mutually close, one of the paper transfer tooth bars is about to open and the other paper transfer tooth bar is about to interlock, so as to finish the conveying of paper from one paper transfer roller to the other paper transfer roller and turn-over, and the two transfer cylinders rotate until the transfer tooth bars of the two transfer cylinders are far away from each other. The turnover process is simple and smooth, and the turnover efficiency is high.

Description

Turnover mechanism, double-sided jet printing device formed by turnover mechanism and double-sided jet printing system

Technical Field

The utility model belongs to ink jet printing equipment field especially relates to a turn-over mechanism and two-sided seal device and two-sided seal system that spout of constituteing thereof.

Background

The turnover mechanism of the existing double-sided jet printing device is realized by forming a closed loop on a paper conveying path through the combination of conveyors, but the conveying path is long, the equipment is complex, the energy consumption is high, and the whole equipment is large in size and large in occupied space.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an object of the present invention is to provide a turnover mechanism with simple structure and convenient use.

In order to achieve the above purpose, the technical solution of the present invention is as follows: a turn-over mechanism comprises a driving device, two support plates and an even number of paper transfer rollers, wherein the two support plates are vertically arranged along the front-back direction and are distributed at intervals along the left-right direction, the plurality of paper transfer rollers are horizontally arranged between the two support plates along the left-right direction and are linearly distributed along the front-back direction, two ends of each paper transfer roller are rotatably connected with the two support plates, the surfaces of two adjacent paper transfer rollers are mutually attached, each paper transfer roller is provided with a paper transfer tooth strip, the tooth mouths of the paper transfer tooth strips of the two adjacent paper transfer rollers are opposite in direction, the driving device is used for driving the plurality of paper transfer rollers to synchronously rotate, the rotating directions of the two adjacent paper transfer rollers are opposite, when the paper transfer tooth strips of the two adjacent paper transfer rollers rotate to be close to each other, one of the paper transfer tooth strips is about to be opened, and the other paper transfer tooth strip is about to be occluded, when the two paper transfer cylinders on two sides rotate to the state that the paper transfer tooth bars of the two paper transfer cylinders are far away from the paper transfer tooth bars of the adjacent paper transfer cylinders, the position where one paper transfer tooth bar is to be occluded is a paper inlet of the turn-over mechanism, and the position where the other paper transfer tooth bar is to be opened is a paper outlet of the turn-over mechanism.

The beneficial effects of the above technical scheme are that: the paper can be turned over on the paper transfer rollers, and the paper transfer rollers can enable more spaces to be formed between the support plates and are more spacious

In the technical scheme, the driving device is a motor and is arranged on any one of the support plates, the driving end of the driving device is in transmission connection with any one of the paper transfer rollers, the same ends of the plurality of paper transfer rollers are respectively and fixedly provided with a gear in a coaxial mode, and the two gears are meshed with each other.

The beneficial effects of the above technical scheme are that: the synchronous reverse rotation of the two paper transfer rollers can be realized by one motor, and the energy consumption is low.

In the technical scheme, the number of the paper transfer rollers is two.

The beneficial effects of the above technical scheme are that: the turnover process is simple and smooth, the moving track of the whole paper on the turnover mechanism is S-shaped or inverted S-shaped, wherein the paper transfer tooth bars on the paper transfer rollers are opened or closed periodically, and the paper transfer tooth bars can pull the paper to rotate along with the paper when being closed, so that the paper is jointed at the joint of the two paper transfer rollers, and the turnover of the paper is realized.

In the technical scheme, the two paper transfer rollers are distributed up and down.

The beneficial effects of the above technical scheme are that: so make turn-over mechanism's paper feed inlet and exit slot be located two paper transfer cylinder's front and back sides respectively, be convenient for the paper level send into to turn-over mechanism in, by turn-over mechanism horizontal output simultaneously.

The second objective of the present invention is to provide a double-sided inkjet printing device with simple structure and convenient use.

In order to achieve the above purpose, the technical solution of the present invention is as follows: a double-sided spray printing device comprises two ink-jet printers and the turnover mechanism, wherein the two ink-jet printers are respectively arranged between two support plates, the two ink-jet printers are in one-to-one correspondence with two paper transfer rollers positioned on two sides, each ink-jet printer is close to and corresponds to one paper transfer roller, an ink-jet head of each ink-jet printer faces to the roller surface of the corresponding paper transfer roller, and the paper transfer rollers respectively drive paper to pass through the corresponding ink-jet printers so as to complete double-sided printing of the paper.

The beneficial effects of the above technical scheme are that: the ink-jet printer is arranged at the position of the track where the paper passes through the periphery of each paper transfer roller, so that double-sided ink-jet printing of the paper is realized, and the whole ink-jet printing process is smooth and quick.

The technical scheme includes that the paper feeding mechanism is arranged between the two support plates, the paper outlet of the paper feeding mechanism is close to the paper inlet of the turnover mechanism, and the paper feeding mechanism is used for conveying paper to the turnover mechanism one by one.

The beneficial effects of the above technical scheme are that: the paper is conveyed to the paper feeding port of the turnover mechanism one by one through the paper feeding mechanism, so that the whole double-sided ink-jet printing mechanism can perform flow line type jet printing, and the degree of automation is high.

The paper discharging mechanism is arranged between the two support plates, the paper inlet of the paper discharging mechanism is close to the paper outlet of the turnover mechanism, and the paper discharging mechanism is used for discharging paper discharged by the turnover mechanism.

The beneficial effects of the above technical scheme are that: the paper after the double-sided ink jet printing mechanism finishes the jet printing is sent out one by one through the paper outlet mechanism, so that the jet printing efficiency of the whole double-sided ink jet printing mechanism is higher, and the automation degree of the double-sided ink jet printing mechanism is further improved.

In the technical scheme, the paper feeding mechanism comprises a conveying piece and a gauge strip, the conveying piece is arranged between the two support plates, a paper outlet of the conveying piece is close to a paper feeding port of the turnover mechanism, and the gauge strip is horizontally arranged between the paper outlet of the conveying piece and the paper feeding port of the turnover mechanism along the left-right direction and used for guiding paper conveyed by the conveying piece to be attached to the corresponding paper conveying roller.

The beneficial effects of the above technical scheme are that: the paper conveyed by the conveying piece is stopped at the paper inlet of the paper conveying piece by the aid of the master gauge strip, the paper at the position of the master gauge strip is engaged and rotated along with the paper conveying roller when the paper conveying tooth strip of the paper conveying roller to be corresponding is close to the master gauge strip, and the whole process is smooth and efficient.

In the above technical scheme paper output mechanism is including taking off paper spare and the band conveyer that induced drafts, the band conveyer that induced drafts sets up two along the fore-and-aft direction between the extension board, and its paper feed mouth is close to the exit slot of turn-over mechanism, it sets up to take off paper spare it is used for corresponding between the paper feed mouth of band conveyer that induced drafts and the exit slot of turn-over mechanism paper feed mouth to the band conveyer that induced drafts when the tooth strip of paper transfer cylinder is about to open.

The beneficial effects of the above technical scheme are that: adopt the band conveyer that induced drafts to make paper can laminate on the belt and with belt synchronous motion when its top is carried, can prevent that the paper from blowing away.

The third purpose of the utility model is to provide a simple structure, and convenient to use, the high two-sided seal system that spouts of degree of automation.

In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a two-sided seal system that spouts, includes the paper feeder, binds the mechanism and like above two-sided seal device that spouts, the paper feeder sets up paper feed end of paper feed mechanism, bind the mechanism setting and be in paper output end of paper output mechanism, the paper feeder is used for one by one to paper feed mechanism goes up and carries the paper, bind the mechanism and be used for one by one collecting paper that paper output mechanism sent and bind.

The beneficial effects of the above technical scheme are that: the whole double-sided jet printing system can automatically feed paper one by one, and meanwhile, the paper after jet printing can be collected one by one and automatically bound into a book.

Drawings

Fig. 1 is a front view of a turn-over mechanism according to embodiment 1 of the present invention;

fig. 2 is a side view of the turn-over mechanism according to embodiment 1 of the present invention;

fig. 3 is another side view of the turn-over mechanism according to embodiment 1 of the present invention;

figure 4 is a cross-sectional view of the transfer cylinder according to embodiment 1 of the present invention;

fig. 5 is a schematic structural diagram of a double-sided inkjet printing device according to embodiment 2 of the present invention;

fig. 6 is another schematic structural diagram of the double-sided inkjet printing apparatus according to embodiment 2 of the present invention;

FIG. 7 is a schematic view of the structure of the conveying member according to embodiment 2 of the present invention;

fig. 8 is a schematic structural diagram of a double-sided inkjet printing system according to embodiment 3 of the present invention.

In the figure: 1 double-sided jet printing device, 11 turn-over mechanism, 111 driving device, 1111 gears, 112 support plate, 113 paper transfer roller, 1131 paper transfer tooth bar, 1132 cylinder, 1133 supporting piece, 1134 rotating shaft, 1135 cam, 1136 swing rod, 1137 pin shaft, 12 ink jet printer, 13 paper feeding mechanism, 131 conveying piece, 1311 flat plate, 1312 paper rubbing roller, 1313 second driving piece, 132 gauge strip, 14 paper discharging mechanism, 141 paper removing piece, 142 air suction belt conveyor, 2 paper feeder and 3 binding mechanism.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1, 2 and 3, the present embodiment provides a turn-over mechanism, which includes a driving device 111, two supporting plates 112 and an even number of transfer cylinders 113, where the two supporting plates 112 are vertically disposed along a front-back direction and are spaced apart from each other along a left-right direction, the plurality of transfer cylinders 113 are horizontally disposed between the two supporting plates 112 along a left-right direction and are linearly disposed along the front-back direction, both ends of each transfer cylinder 113 are rotatably connected to the two supporting plates 112, and the cylinder surfaces of two adjacent transfer cylinders 113 are attached to each other, and each transfer cylinder 113 has a transfer rack 1131 thereon, and the tooth mouth directions of the transfer racks 1131 of two adjacent transfer cylinders 113 are opposite, the driving device 111 is configured to drive the plurality of transfer cylinders 113 to rotate synchronously, and the rotation directions of two adjacent transfer cylinders 113 are opposite, when the transfer tooth bars 1131 of two adjacent transfer cylinders 113 rotate to be close to each other, one of the transfer tooth bars 1131 is to be expanded and the other transfer tooth bar 1131 is to be engaged to finish the transportation of the paper from one transfer cylinder 113 to the other transfer cylinder 113 and turn-over, and when the two transfer cylinders 113 on both sides rotate to make the transfer tooth bars 1131 thereof far away from the transfer tooth bars 1131 of the adjacent transfer cylinders 113, the position where one of the transfer tooth bars 1131 is to be engaged is a paper inlet of the turn-over mechanism, and the position where the other transfer tooth bar 1131 is to be expanded is a paper outlet of the turn-over mechanism.

Wherein, as shown in fig. 4, the barrel 1132 of the paper-feeding roller 113 is hollow, and is provided with a strip-shaped notch on its cylindrical surface, so that the barrel 1132 is an arc-shaped plate, the two ends of the barrel 1132 are respectively connected with two support plates 112 by a support 1133 in a rotating manner, the support 1133 is connected and fixed with the barrel 1132, and the barrel 1132 is internally and coaxially provided with a rotating shaft 1134, the two ends of the rotating shaft 1134 are respectively connected with the two support 1133 in a rotating manner, the rotating shaft 1134 is located with two cams 1135 are fixedly installed between the support 1133, the paper-feeding tooth bar 1131 is in a strip shape, and is horizontally arranged at the arc mouth of the barrel 1132 along the left and right direction, and is close to the inner side of the barrel 1132 and is located at the position of the cams 1135, the middle part corresponding to the length direction of the swinging rod 1136 is connected with the two support 1133 by a pin 1137 horizontally arranged, one end of the swing rod 1136 is fixedly connected to the paper transfer rack 1131, and the other end of the swing rod extends to be close to the cam 1135 and contacts with the cam, a first driving member is arranged in the cylinder 1132, the first driving member is a motor, a driving end of the first driving member is in transmission connection with the rotating shaft 1134, the first driving member is used for driving the rotating shaft 1134 to rotate in the cylinder 1132, and a rotating direction of the rotating shaft 1134 is opposite to a rotating direction of the corresponding cylinder 1132, so that the paper transfer rack 1131 is periodically closed in a rotating process of the paper transfer roller 113, specifically, the paper transfer roller 113 is in the prior art, and the structure disclosed in CN208789251U "lithographic printing machine and its gripper mechanism" can be referred to similarly. In the rotating process of the paper transfer roller, the moving track of the paper transfer tooth bars is circular, one section of stroke of the paper transfer tooth bars on the moving track is in an occlusion state, and the rest section of stroke is in an opening state.

The driving device 111 is a motor, is mounted on any one of the support plates 112, and has a driving end in transmission connection with any one of the paper transfer cylinders 113, and the same end of the paper transfer cylinders 113 is respectively and coaxially and fixedly mounted with a gear 1111, and the two gears 1111 are meshed with each other, so that the two paper transfer cylinders can synchronously and reversely rotate.

Preferably, the number of the paper transfer cylinders is two, and the two paper transfer cylinders 113 are distributed up and down, so that the paper inlet and the paper outlet of the turnover mechanism are respectively positioned at the front side and the rear side of the two paper transfer cylinders, so that paper can be conveniently horizontally conveyed into the turnover mechanism and can be horizontally output by the turnover mechanism.

Example 2

As shown in fig. 5 and fig. 6, this embodiment provides a duplex inkjet printing apparatus, including two inkjet printers 12 and the turn-over mechanism 11 as described in embodiment 1, where the two inkjet printers 12 are respectively disposed between two support plates 112, and the two inkjet printers 12 correspond to two transfer cylinders 113 located at two sides one by one, each inkjet printer 12 is close to the corresponding transfer cylinder 113, and its inkjet head faces to a roller surface of the corresponding transfer cylinder 113, and the transfer cylinders 113 respectively drive the paper to pass through the corresponding inkjet printer 12 to complete duplex printing of the paper.

Preferably, the double-sided inkjet printing device further includes a paper feeding mechanism 13, the paper feeding mechanism 13 is disposed between the two support plates 112, and the paper outlet of the paper feeding mechanism 13 is close to the paper inlet of the turnover mechanism 11, and the paper feeding mechanism 13 is configured to feed paper to the turnover mechanism 11 one by one.

The paper feeding mechanism 13 includes a conveying member 131 and a gauge 132, the conveying member 131 is disposed between the two support plates 112, and a paper outlet of the conveying member is close to the paper inlet of the turnover mechanism 11, and the gauge 132 is horizontally disposed between the paper outlet of the conveying member 131 and the paper inlet of the turnover mechanism 11 along the left-right direction, and is configured to guide the paper conveyed by the conveying member 131 to be attached to the corresponding paper transfer roller 113.

The back gauge strip is strip-shaped and is horizontally arranged above a paper outlet end of the flat plate along the left-right direction, the lower end of the back gauge strip extends downwards obliquely to be close to the paper transfer roller, the paper is conveyed to be in contact with the back gauge strip by the conveying piece, one end, close to the back gauge strip, of the paper moves downwards to be in contact with the paper transfer roller and is gripped by the paper transfer teeth under the guiding of the back gauge strip in the left-right direction of the back gauge strip under the continuous conveying of the conveying piece, and then the paper is drawn to be conveyed to another paper transfer roller by the paper transfer roller.

As shown in fig. 7, the conveying member 131 includes a flat plate 1311, a pickup roller 1312 and a second driving member 1313, the flat plate is horizontally disposed between the two support plates in the front-back direction, one end of the flat plate is close to the paper feeding port of the turn-over mechanism, the pickup roller is horizontally disposed at the upper end of the flat plate in the left-right direction, the left side and the right side of the flat plate are respectively bent upward, and both ends of the pickup roller are rotatably connected to the bent portions at both sides of the flat plate, the second driving member is mounted at the bent portions of the flat plate and is in transmission connection with the pickup roller, the second driving member is a motor, preferably, the bent portions at both sides of the flat plate are integrally formed with the two support plates, one end of the flat plate close to the paper transfer roller constitutes the paper outlet of the conveying member, and one end of the flat plate far away from the paper transfer roller is the paper.

The rubbing roller is characterized in that the flat plate is preferably a stainless steel plate with a smooth upper end face, and a rubber layer or a silica gel layer is arranged on the roller surface of the rubbing roller, so that the friction coefficient of the rubbing roller is favorably improved, and the rubbing roller rotates and drives paper to move on the flat plate.

Preferably, the double-sided inkjet printing apparatus further includes a paper output mechanism 14, the paper output mechanism 14 is disposed between the two support plates 112, and a paper input port of the paper output mechanism is close to a paper output port of the turnover mechanism 11, and the paper output mechanism 14 is configured to output paper output by the turnover mechanism 11.

The paper output mechanism 14 includes a paper output member 141 and a suction belt conveyor 142, the suction belt conveyor 142 is disposed between the two support plates 112 along the front-back direction, and the paper input port thereof is close to the paper output port of the turnover mechanism 11, the paper output member 141 is disposed between the paper input port of the suction belt conveyor 142 and the paper output port of the turnover mechanism 11, and is configured to guide the paper to the paper input port of the suction belt conveyor 142 when the paper feeding rack 1131 corresponding to the paper feeding roller 113 is opened.

The structure of the paper stripping part is similar to that of a paper transfer tooth bar, which belongs to the prior art and is not described in detail herein.

Example 3

As shown in fig. 8, the present embodiment provides a double-sided inkjet printing system, which includes a paper feeder 2, a binding mechanism 3, and the double-sided inkjet printing apparatus 1 according to embodiment 2, wherein the paper feeder 2 is disposed at a paper feeding end of the paper feeding mechanism 13, the binding mechanism 3 is disposed at a paper discharging end of the paper discharging mechanism 14, the paper feeder 2 is configured to feed paper onto the paper feeding mechanism 13 one by one, and the binding mechanism 3 is configured to collect and bind the paper discharged by the paper discharging mechanism 14 one by one. Wherein, the paper feeder can be preferably made of Aeolus38 manufactured by Yijiachangsheng Automation technology limited of Guangzhou; the binding mechanism 3 can be formed by combining a collating machine with the model number of SF3000 and a stapling machine with the model number of 33TN, which are manufactured by Guangzhou Yijia Changsheng automatic technology Limited company, wherein the collating machine is used for collating the paper sent out by the double-sided jet printing device 1 and then conveying the paper to the stapling machine for binding.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. The turn-over mechanism is characterized by comprising a driving device (111), two support plates (112) and an even number of paper transfer rollers (113), wherein the two support plates (112) are vertically arranged along the front-back direction and are distributed at intervals along the left-right direction, the paper transfer rollers (113) are horizontally arranged between the two support plates (112) along the left-right direction and are linearly distributed along the front-back direction, two ends of each paper transfer roller (113) are rotatably connected with the two support plates (112), the surfaces of two adjacent paper transfer rollers (113) are mutually attached, each paper transfer roller (113) is provided with a paper transfer tooth strip (1131), the tooth mouth directions of the paper transfer tooth strips (1131) of the two adjacent paper transfer rollers (113) are opposite, the driving device (111) is used for driving the paper transfer rollers (113) to synchronously rotate, and the rotation directions of the two adjacent paper transfer rollers (113) are opposite, when the transfer tooth bars (1131) of two adjacent transfer rollers (113) rotate to be close to each other, one of the transfer tooth bars (1131) is about to open and the other transfer tooth bar (1131) is about to engage so as to finish the conveying of the paper from one transfer roller (113) to the other transfer roller (113) and turn over, and when the two transfer rollers (113) on two sides rotate to the transfer tooth bar (1131) of the transfer roller (113) far away from the transfer tooth bar (1131) of the adjacent transfer roller (113), the position where one transfer tooth bar (1131) is about to engage is a paper inlet of the turn-over mechanism, and the position where the other transfer tooth bar (1131) is about to open is a paper outlet of the turn-over mechanism.

2. The mechanism according to claim 1, characterized in that the driving device (111) is an electric motor, which is mounted on any one of the support plates (112) and has a driving end in transmission connection with any one of the transfer cylinders (113), a gear (1111) is coaxially and fixedly mounted at the same end of each of the transfer cylinders (113), and the two gears (1111) are meshed with each other.

3. The turn-over mechanism according to claim 1 or 2, characterized in that there are two transfer cylinders.

4. The turn-over mechanism according to claim 3, characterized in that two transfer cylinders (113) are distributed one above the other.

5. A duplex spray printing device, characterized by comprising two ink jet printers (12) and the turn-over mechanism (11) according to any one of claims 1-4, wherein two ink jet printers (12) are respectively arranged between two support plates (112), and the two ink jet printers (12) are in one-to-one correspondence with two paper transfer cylinders (113) on two sides, each ink jet printer (12) is close to the corresponding paper transfer cylinder (113), and an ink gun thereof faces to the roll surface of the corresponding paper transfer cylinder (113), and a plurality of paper transfer cylinders (113) respectively drive the paper to pass through the corresponding ink jet printers (12) to complete duplex printing of the paper.

6. A double-sided inkjet printing apparatus according to claim 5, further comprising a paper feeding mechanism (13), wherein the paper feeding mechanism (13) is disposed between the two support plates (112) and has a paper outlet close to the paper inlet of the turn-over mechanism (11), and the paper feeding mechanism (13) is configured to feed the paper sheets one by one to the turn-over mechanism (11).

7. The double-sided inkjet printing apparatus according to claim 6, further comprising a paper output mechanism (14), wherein the paper output mechanism (14) is disposed between the two support plates (112) and has a paper input close to the paper output of the turnover mechanism (11), and the paper output mechanism (14) is configured to output the paper output by the turnover mechanism (11).

8. A double-sided inkjet printing apparatus according to claim 7, wherein the paper feeding mechanism (13) includes a conveying member (131) and a gauge (132), the conveying member (131) is disposed between the two support plates (112) and has a paper outlet close to the paper inlet of the turn-over mechanism (11), and the gauge (132) is horizontally disposed between the paper outlet of the conveying member (131) and the paper inlet of the turn-over mechanism (11) along the left-right direction and is used for guiding the paper conveyed by the conveying member (131) to be attached to the corresponding paper delivery roller (113).

9. The double-sided inkjet printing apparatus according to claim 7, wherein the paper output mechanism (14) includes a paper output member (141) and an air suction belt conveyor (142), the air suction belt conveyor (142) is disposed between the two support plates (112) in the front-rear direction, and a paper input thereof is close to the paper output port of the reversing mechanism (11), the paper output member (141) is disposed between the paper input port of the air suction belt conveyor (142) and the paper output port of the reversing mechanism (11), and is configured to guide the paper to the paper input port of the air suction belt conveyor (142) when a transfer tooth bar (1131) corresponding to the transfer cylinder (113) is about to open.

10. A double-sided inkjet printing system, comprising a paper feeder (2), a binding mechanism (3) and the double-sided inkjet printing apparatus (1) as claimed in any one of claims 7 to 9, wherein the paper feeder (2) is disposed at a paper feeding end of the paper feeding mechanism (13), the binding mechanism (3) is disposed at a paper discharging end of the paper discharging mechanism (14), the paper feeder (2) is configured to feed paper to the paper feeding mechanism (13) one by one, and the binding mechanism (3) is configured to collect and bind the paper fed by the paper discharging mechanism (14) one by one.