CN215435566U

CN215435566U - Double-sided printing system

Info

Publication number: CN215435566U
Application number: CN202122151105.5U
Authority: CN
Inventors: 朱叶锋
Original assignee: Jiaxing Far East Precision Printing Co ltd
Current assignee: Jiaxing Far East Precision Printing Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-07
Anticipated expiration: 2031-09-07

Abstract

The utility model provides a double-sided printing system, which belongs to the technical field of printing equipment and comprises the following components: printing box for process the paper, one side of printing box is rotated and is connected with the dodge gate, the paper feed mouth has been seted up on the opposite side surface of printing box, the surface connection of paper feed mouth has the paper guide plate, use through the cooperation of flexible bracing piece, drag the cardboard, the baffle, the mounting bracket, first output motor and squeeze roll, after the squeeze roll carries the paper on upper strata, the spring telescopic link can the automatic extension will drag the cardboard to raise, and continue the paper, thereby improve the work efficiency of squeeze roll, through the upset pipe, the suction fan, the air duct is used with the cooperation of the rubber boot that induced drafts, the suction fan work is through the air duct inspired air, and form atmospheric pressure and adsorb the paper and overturn in the entrance of the rubber boot that induced drafts, the drying-machine is dried the one side of accomplishing of printing simultaneously, thereby improve the effect of printing to the another side.

Description

Double-sided printing system

Technical Field

The utility model belongs to the technical field of printing equipment, and particularly relates to a double-sided printing system.

Background

The printing technology is one of four inventions of ancient labour people in China, is a leader of the modern civilization of human beings, creates conditions for the wide spread and communication of knowledge, and successively reaches regions of Korea, Japan, Central Asia, Western Asia and Europe. When the double-sided printing machine is used, an upper row of plate rollers and a lower row of plate rollers are arranged inside the printing machine, each row of plate rollers can correspond to one surface of a printed product, and a conveying belt in circulating transmission is correspondingly arranged below each typesetting roller; a turnover device is arranged between the upper conveying belt and the lower conveying belt and can convey the printed products to the lower conveying belt from the upper conveying belt and turn over the printed products.

The turn-over device of the existing double-sided printing machine is realized by matching of a plurality of turning wheels, the structure is complex, the operation is not convenient enough, and after double-sided printing, printing ink cannot be dried, stacked paper can be adhered together to cause poor printing effect, and therefore a double-sided printing system is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-sided printing system, and aims to solve the problems that a common double-sided printing system in the prior art cannot dry ink and cannot automatically fill paper.

In order to achieve the purpose, the utility model provides the following technical scheme:

a duplex printing system comprising:

the paper feeding device comprises a printing box, a movable door, a paper feeding port, a paper guide plate, a first conveying rail, a second conveying rail, a hot air blower and a control system, wherein the printing box is used for processing paper, one side of the printing box is rotatably connected with the movable door, the other side surface of the printing box is provided with the paper feeding port, the surface of the paper feeding port is connected with the paper guide plate, the first conveying rail is arranged in the printing box and positioned on one side of the paper feeding port, the second conveying rail is arranged in the printing box and positioned below the first conveying rail, and the hot air blower is arranged at the bottom of the inner wall of the printing box;

the paper taking mechanism is arranged on one side of the printing box and is used for conveying paper to a paper inlet of the printing box one by one;

the turnover mechanism is arranged on the inner side of the printing box and used for turning over the paper conveyed to the surface of the turnover mechanism from the first conveying rail and conveying the paper to the first conveying rail;

the two ink jet mechanisms are arranged in the printing box, are respectively arranged above the first conveying rail and the second conveying rail and are used for jet printing on paper passing through the lower part of the printing box;

the drying mechanism is arranged at the bottom inside the printing box and used for drying the printed paper;

and the storage mechanism is arranged at the bottom of the printing box and used for collecting the paper dried by the drying mechanism.

As a preferable scheme of the present invention, the rotating mechanism includes a turntable and a gearwheel, the turntable is rotatably connected to the top of the base, and the gearwheel is fixedly connected to a side portion of the turntable.

As a preferable scheme of the present invention, the paper fetching mechanism includes a plurality of telescopic support rods, a plurality of paper dragging plates, a baffle, an installation frame, a first output motor, and a squeeze roller, the telescopic support rods are disposed on the other side of the printing box, the paper dragging plates are mounted on the top of the telescopic support rods, the baffle is connected to the surface of the top of the paper dragging plates, the installation frame is mounted on the top of the paper guide plate, the first output motor is mounted on the outer side of the installation frame, the squeeze roller is rotatably connected to the inner side of the installation frame, and one end of the squeeze roller is connected to the output end of the first output motor.

As a preferred scheme of the utility model, the turnover mechanism comprises a turnover pipe, a second output motor, a suction fan, an air guide pipe and a suction rubber cover, the turnover pipe is installed inside the printing box, the second output motor is installed outside the printing box, an output shaft of the second output motor is connected with the turnover pipe, the suction fan is installed inside the turnover pipe, one end of the air guide pipe is communicated with the suction fan, the other end of the air guide pipe extends to the outside of the turnover pipe, and the suction rubber cover is connected with the other end of the air guide pipe.

As a preferable aspect of the present invention, the ink jet mechanism includes two ink containers, two lifting/lowering telescopic rods, and a plurality of printing nozzles, the two ink containers are respectively installed above the first conveying rail and the second conveying rail, the lifting/lowering telescopic rods are inverted and installed at the bottom of the ink containers, and the plurality of printing nozzles are installed at the top ends of the lifting/lowering telescopic rods.

As a preferable scheme of the present invention, the drying mechanism includes a drying oven, a drying duct, a heating layer, an air inlet pipe, and an air outlet pipe, the drying oven is installed on an inner wall of the printing oven, the drying duct penetrates through the drying oven and extends to an outer side of the printing oven, the heating layer is disposed inside the drying oven and located around the drying duct, one end of the air inlet pipe is communicated with the drying oven, the other end of the air inlet pipe is communicated with the hot air blower, one end of the air outlet pipe is communicated with the drying oven, the other end of the air outlet pipe is communicated with the hot air blower, and the air outlet pipe is located below the air inlet pipe.

As a preferable mode of the present invention, the storage mechanism includes a storage box, four spring retractable rods and four universal wheels, the storage box is disposed below the printing box and below the drying duct, the four spring retractable rods are respectively mounted at four corners of the bottom of the storage box, and the four universal wheels are respectively mounted at the bottom of the spring retractable rods.

As a preferable scheme of the present invention, a first limit sloping plate is fixedly installed inside the printing box and above the first conveying rail, a second limit sloping plate is fixedly installed inside the printing box and above the second conveying rail, and a dryer is fixedly installed on one surface of the movable door close to the printing box.

In a preferred embodiment of the present invention, a control panel is mounted on a surface of the printing box, and a plurality of control buttons are mounted on a surface of the control panel.

In a preferred embodiment of the present invention, a first driving device is fixedly mounted on an outer side of the printing box, the first driving device is connected to the first conveying rail, and a second driving device is mounted on an outer side of the printing box, and the second driving device is connected to the second conveying rail.

Compared with the prior art, the utility model has the beneficial effects that:

1. this scheme is through flexible bracing piece, drag the cardboard, the baffle, the mounting bracket, the cooperation of first output motor and squeeze roll is used, after the squeeze roll carries the paper on upper strata, the spring telescopic link can be extended automatically and will drag the cardboard to be raised, and continue the paper and carry, thereby improve the work efficiency of squeeze roll, through the upset pipe, the suction fan, the air duct is used with the cooperation of the rubber cover that induced drafts, the air duct inspired air is passed through in the suction fan work, and form atmospheric pressure and adsorb the paper and overturn in the entrance of the rubber cover that induced drafts, the one side of drying-machine to the printing completion is dried simultaneously, thereby improve the effect to the another side printing.

2. This scheme uses through the cooperation of drying cabinet, dry pipe, zone of heating, intake pipe and outlet duct, and when the paper passed through dry pipe, the temperature rose under the effect of zone of heating, and the printing ink on paper two sides can dry rapidly, makes accumulational paper can not pollute because printing ink pastes to improve printing effect and speed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a front cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B in accordance with the present invention;

fig. 5 is a top view of the structure of the present invention.

In the figure: 1. a printing box; 2. a movable door; 3. a paper inlet; 4. a paper guide plate; 5. a first conveying rail; 6. A second conveying rail; 7. a hot air blower; 8. a telescopic support rod; 9. a mopping board; 10. a baffle plate; 11. a mounting frame; 12. a first output motor; 13. a squeeze roll; 14. turning over the tube; 15. a second output motor; 16. A suction fan; 17. an air duct; 18. an air suction rubber cover; 19. an ink cartridge; 20. lifting the telescopic rod; 21. Printing a spray head; 22. a drying oven; 23. drying the catheter; 24. a heating layer; 25. an air inlet pipe; 26. an air outlet pipe; 27. a storage box; 28. a spring telescopic rod; 29. a universal wheel; 30. a first limit sloping plate; 31. A second limit sloping plate; 32. an observation window; 33. a control panel; 34. a control button; 35. a first driving device; 36. a second driving device; 37. and a dryer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-5, the technical solution provided in this embodiment is as follows:

a duplex printing system comprising:

the printing box 1 is used for processing paper, one side of the printing box 1 is rotatably connected with a movable door 2, the other side surface of the printing box 1 is provided with a paper inlet 3, the surface of the paper inlet 3 is connected with a paper guide plate 4, one side of the paper inlet 3 inside the printing box 1 is provided with a first conveying rail 5, a second conveying rail 6 is arranged inside the printing box 1 and below the first conveying rail 5, the bottom of the inner wall of the printing box 1 is provided with a hot air blower 7, a first limit inclined plate 30 is fixedly arranged inside the printing box 1 and above the first conveying rail 5, a second limit inclined plate 31 is fixedly arranged inside the printing box 1 and above the second conveying rail 6, one side of the movable door 2 close to the printing box 1 is fixedly provided with a dryer 37, the surface of the printing box 1 is provided with an observation window 32, the surface of the printing box 1 is provided with a control panel 33, the surface of the control panel 33 is provided with a plurality of control buttons 34, the outer side of the printing box 1 is fixedly provided with a first driving device 35, the first driving device 35 is connected with the first conveying rail 5, the outer side of the printing box 1 is provided with a second driving device 36, and the second driving device 36 is connected with the second conveying rail 6.

In the embodiment of the present invention, by the first conveying rail 5 and the second conveying rail 6, the sheet to be printed passes through the sheet feed port 3 with the aid of the sheet guide 4, printing on one side is performed while dropping on the first conveying rail 5, printing on the other side is performed while passing on the second conveying rail 6, the hot air blower 7 can dry the paper printed on one side to print the other side conveniently, and the first limit inclined plate 30 and the second limit inclined plate 31, the paper on the surfaces of the first conveying rail 5 and the second conveying rail 6 can be flattened, so that better printing effect can be achieved, the observation window 32 is convenient for workers to observe the printing process inside the printing box 1, the control panel 33 and the control button 34 are convenient for controlling the starting and the closing of the equipment, by the arrangement of the first drive 35 and the second drive 36, the first transport rail 5 and the second transport rail 6 can be supplied with electrical energy, respectively.

Specific paper taking mechanism, locate one side of print box 1, a paper is carried to paper feed inlet 3 for 1 of print box one by one, paper taking mechanism is including flexible bracing piece 8, drag cardboard 9, baffle 10, mounting bracket 11, first output motor 12 and squeeze roll 13, flexible bracing piece 8 sets up to a plurality ofly, and be located print box 1's opposite side, drag cardboard 9 and install in the top of flexible bracing piece 8, baffle 10 is connected in the surface at dragging cardboard 9 top, mounting bracket 11 is installed in the top of paper guide plate 4, first output motor 12 is installed in the outside of mounting bracket 11, squeeze roll 13 rotates and connects in the inboard of mounting bracket 11, and the one end of squeeze roll 13 is connected with first output motor 12's output.

In the embodiment of the utility model, through the cooperation of the telescopic support rod 8, the mopping plate 9, the baffle plate 10, the mounting frame 11, the first output motor 12 and the squeeze roller 13, after the upper layer of paper is conveyed by the squeeze roller 13, the spring telescopic rod 28 can automatically extend to lift the mopping plate 9 and continue to convey the paper, so that the working efficiency of the squeeze roller 13 is improved.

Specifically, tilting mechanism, locate printing box 1's inboard, a paper turn-over and to first conveying rail 5 transport from first conveying rail 5 to tilting mechanism surface, tilting mechanism includes turnover pipe 14, second output motor 15, suction fan 16, air duct 17 and induced draft rubber hood 18, turnover pipe 14 is installed inside printing box 1, second output motor 15 is installed in printing box 1's the outside, and second output motor 15's output shaft and turnover pipe 14 are connected, suction fan 16 installs in turnover pipe 14's inside, air duct 17's one end and suction fan 16 intercommunication, and air duct 17's the other end extends to turnover pipe 14's the outside, induced draft rubber hood 18 is connected with air duct 17's the other end.

In the embodiment of the utility model, through the cooperation of the turnover pipe 14, the second output motor 15, the suction fan 16, the air guide pipe 17 and the air suction rubber cover 18, the suction fan 16 sucks air through the air guide pipe 17 during operation, and forms air pressure at the inlet of the air suction rubber cover 18 to adsorb and turn over paper, and the dryer 37 dries one printed side, thereby improving the effect of printing the other side.

Specifically, the inkjet mechanism sets up to two, the inkjet mechanism locates the inside of printing case 1 and installs respectively in the top of first delivery rail 5 and second delivery rail 6 for spout the seal to the paper through its below, the inkjet mechanism is including depositing ink horn 19, lifting telescopic link 20 and printing shower nozzle 21, it sets up to two to deposit ink horn 19, and install respectively in the top of first delivery rail 5 and second delivery rail 6, lifting telescopic link 20 is for invering, and install in the bottom of depositing ink horn 19, printing shower nozzle 21 sets up to a plurality ofly, and install in lifting telescopic link 20's top.

In the embodiment of the utility model, through the matching use of the ink box 19, the lifting telescopic rod 20 and the printing nozzle 21, the lifting telescopic rod 20 can adjust the height of the printing nozzle 21 according to the printing height, thereby improving the printing effect.

Specifically, drying mechanism, locate the bottom in printing case 1 inside, a paper for after to the printing is dried, drying mechanism includes drying cabinet 22, drying duct 23, zone of heating 24, intake pipe 25 and outlet duct 26, drying cabinet 22 installs in printing case 1's inner wall, drying duct 23 runs through drying cabinet 22 and extends to printing case 1's the outside, zone of heating 24 locates drying cabinet 22's inside and is located drying duct 23 all around, intake pipe 25's one end and drying cabinet 22 intercommunication, and the intake pipe 25 other end and air heater 7 intercommunication, the one end and the drying cabinet 22 intercommunication of outlet duct 26, and outlet duct 26's the other end and air heater 7 intercommunication, outlet duct 26 is located the below of intake pipe 25.

In the embodiment of the utility model, through the matching use of the drying box 22, the drying duct 23, the heating layer 24, the air inlet pipe 25 and the air outlet pipe 26, when the paper passes through the drying duct 23, the temperature rises under the action of the heating layer 24, the ink on the two sides of the paper can be dried quickly, so that the accumulated paper cannot be polluted due to the adhesion of the ink, and the printing effect and the printing speed are improved.

Specifically, the storage mechanism is arranged at the bottom of the printing box 1 and used for collecting paper dried by the drying mechanism, the storage mechanism comprises a storage box 27, a spring telescopic rod 28 and universal wheels 29, the storage box 27 is arranged below the printing box 1 and located below the drying guide pipe 23, the number of the spring telescopic rods 28 is four, the four spring telescopic rods are respectively arranged at four corners of the bottom of the storage box 27, the number of the universal wheels 29 is four, and the universal wheels 29 are respectively arranged at the bottom of the spring telescopic rods 28.

In the embodiment of the utility model, through the matching use of the storage box 27 and the spring telescopic rod 28, after the paper enters the storage box 27, the paper is gradually stacked, the weight is increased, at the moment, the spring telescopic rod 28 is compressed, a cushioning effect is achieved on the storage box 27, and meanwhile, the universal wheels 29 are arranged, so that the storage box 27 is convenient for workers to move, and the labor intensity during manual movement is reduced.

The working principle is as follows: paper to be printed is placed on the surface of the paper dragging plate 9, the paper is fixed through the baffle plate 10, then the first output motor 12, the second output motor 15, the first driving device 35, the second driving device 36 and the suction fan 16 are started through the control button 34 on the surface of the control panel 33, the first output motor 12 works to drive the extrusion roller 13 to rotate, the extrusion roller 13 rotates to drive the paper to move to the paper guide plate 4, then the paper enters the paper inlet 3 through the paper guide plate 4, the weight of the paper on the surface of the paper dragging plate 9 becomes lower after the paper is consumed, at the moment, the extension end of the telescopic support rod 8 extends to upwards push the paper dragging plate 9, the paper on the surface of the paper is convenient to transport through the extrusion roller 13, the paper entering the paper inlet 3 falls on the surface of the first conveying rail 5 due to the action of gravity, at the moment, the first conveying rail 5 conveys the paper, the paper passes through the first limit inclined plate 30, the paper is flattened, then the extension end of the lifting telescopic rod 20 drives the printing spray head 21 to move downwards, at the moment, the printing spray head 21 prints the paper on the surface of the first conveying rail 5, the paper is conveyed to the tail end by the first conveying rail 5 after printing is finished, the paper falls due to gravity, at the moment, the output shaft of the second output motor 15 rotates to drive the overturning pipe 14 to rotate, meanwhile, the suction fan 16 in the overturning pipe 14 sucks air inwards, the air enters the air guide pipe 17 from the air suction rubber cover 18 and enters the suction fan 16, at the moment, the pressure on the surface of the air suction rubber cover 18 becomes low, the paper is sucked, at the moment, the dryer 37 primarily dries the paper, when the overturning pipe 14 rotates to a certain angle, the second limiting inclined plate 31 scrapes the paper on the surface of the air suction rubber cover 18, at the moment, the printed surface of the paper falls downwards on the surface of the second conveying rail 6, the second conveying rail 6 moves to drive the paper to move, then the extension end of the lifting telescopic rod 20 can drive the printing nozzle 21 to move downwards, at the moment, the printing nozzle 21 can print the paper on the surface of the second conveying rail 6, the paper can be transported to the tail end by the second conveying rail 6 and falls into the drying conduit 23 after printing is completed, at the moment, under the action of gravity, the paper can move in the drying conduit 23 and passes through the heating layer 24 in the drying box 22, at the moment, the hot air machine 7 conveys hot air into the drying box 22 through the air inlet pipe 25, the drying box 22 conveys the air back to the hot air machine 7 through the air outlet pipe 26, the air machine 7 heats the paper, at the moment, the air is in a circulating effect under the effects of the hot air machine 7, the air inlet pipe 25 and the air outlet pipe 26, the heating layer 24 is in a high-temperature state, because the hot air quality is smaller than the cold air quality, the temperature of the air below the inside of the drying box 22 is lower than the upper air temperature, therefore, the air with lower temperature can be returned to the air heater 7 and heated by the air heater 7, the paper is heated and dried by the heating layer 24 and then enters the storage box 27, the paper entering the storage box 27 can be gradually accumulated, the weight is increased, the spring telescopic rod 28 can be compressed at the moment, the cushioning effect is achieved on the storage box 27, the storage box 27 is stored for the paper, and the air can be moved to the storage box 27 through the universal wheel 29.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A duplex printing system, comprising:

the paper guide device comprises a printing box (1) and a hot air blower (7), wherein the printing box (1) is used for processing paper, one side of the printing box (1) is rotatably connected with a movable door (2), the surface of the other side of the printing box (1) is provided with a paper inlet (3), the surface of the paper inlet (3) is connected with a paper guide plate (4), a first conveying rail (5) is arranged inside the printing box (1) and on one side of the paper inlet (3), a second conveying rail (6) is arranged inside the printing box (1) and below the first conveying rail (5), and the bottom of the inner wall of the printing box (1) is provided with the hot air blower (7);

the paper taking mechanism is arranged on one side of the printing box (1) and is used for conveying paper to the paper feeding port (3) of the printing box (1) one by one;

the turnover mechanism is arranged on the inner side of the printing box (1) and used for turning over the paper conveyed from the first conveying rail (5) to the surface of the turnover mechanism and conveying the paper to the first conveying rail (5);

the two ink jet mechanisms are arranged in the printing box (1), are respectively arranged above the first conveying rail (5) and the second conveying rail (6), and are used for spraying and printing paper passing through the lower part of the printing box;

a drying mechanism arranged at the bottom inside the printing box (1) and used for drying the printed paper;

and the storage mechanism is arranged at the bottom of the printing box (1) and is used for collecting the paper dried by the drying mechanism.

2. A duplex printing system according to claim 1, wherein: get paper mechanism and include flexible bracing piece (8), drag cardboard (9), baffle (10), mounting bracket (11), first output motor (12) and squeeze roll (13), flexible bracing piece (8) set up to a plurality ofly, and are located the opposite side of printing case (1), drag cardboard (9) and install in the top of flexible bracing piece (8), baffle (10) are connected in the surface at drag cardboard (9) top, the top in paper guide plate (4) is installed in mounting bracket (11), the outside in mounting bracket (11) is installed in first output motor (12), squeeze roll (13) are rotated and are connected in the inboard of mounting bracket (11), and the one end of squeeze roll (13) is connected with the output of first output motor (12).

3. A duplex printing system according to claim 1, wherein: the turnover mechanism comprises a turnover pipe (14), a second output motor (15), a suction fan (16), an air duct (17) and an air suction rubber cover (18), wherein the turnover pipe (14) is installed inside the printing box (1), the second output motor (15) is installed on the outer side of the printing box (1), an output shaft of the second output motor (15) is connected with the turnover pipe (14), the suction fan (16) is installed inside the turnover pipe (14), one end of the air duct (17) is communicated with the suction fan (16), the other end of the air duct (17) extends to the outer side of the turnover pipe (14), and the air suction rubber cover (18) is connected with the other end of the air duct (17).

4. A duplex printing system according to claim 1, wherein: the ink jet mechanism comprises an ink storage box (19), a lifting telescopic rod (20) and printing nozzles (21), wherein the two ink storage boxes (19) are respectively arranged above a first conveying rail (5) and a second conveying rail (6), the lifting telescopic rod (20) is inverted and arranged at the bottom of the ink storage box (19), and the plurality of printing nozzles (21) are arranged on the top end of the lifting telescopic rod (20).

5. A duplex printing system according to claim 1, wherein: drying mechanism includes drying cabinet (22), dry pipe (23), zone of heating (24), intake pipe (25) and outlet duct (26), the inner wall in printing cabinet (1) is installed in drying cabinet (22), dry pipe (23) run through drying cabinet (22) and extend to the outside of printing cabinet (1), the inside of drying cabinet (22) and be located around dry pipe (23) are located in zone of heating (24), the one end and the drying cabinet (22) intercommunication of intake pipe (25), and intake pipe (25) other end and air heater (7) intercommunication, the one end and the drying cabinet (22) intercommunication of outlet duct (26), and the other end and the air heater (7) intercommunication of outlet duct (26), outlet duct (26) are located the below of intake pipe (25).

6. A duplex printing system according to claim 1, wherein: the storage mechanism comprises a storage box (27), spring telescopic rods (28) and universal wheels (29), wherein the storage box (27) is arranged below the printing box (1) and located below the drying guide pipe (23), the number of the spring telescopic rods (28) is four, the four spring telescopic rods are respectively arranged at four corners of the bottom of the storage box (27), the number of the universal wheels (29) is four, and the universal wheels (29) are respectively arranged at the bottom of the spring telescopic rods (28).

7. A duplex printing system according to claim 1, wherein: the inside of printing box (1) and the top fixed mounting that is located first transport rail (5) have first spacing swash plate (30), the inside of printing box (1) and the top fixed mounting that is located second transport rail (6) have second spacing swash plate (31), one side fixed mounting that dodge gate (2) are close to printing box (1) has drying-machine (37).

8. A duplex printing system according to claim 1, wherein: the surface mounting of printing case (1) has observation window (32), the surface mounting of printing case (1) has control panel (33), the surface mounting of control panel (33) has a plurality of control buttons (34).

9. A duplex printing system according to claim 1, wherein: the outer side of the printing box (1) is fixedly provided with a first driving device (35), the first driving device (35) is connected with the first conveying rail (5), the outer side of the printing box (1) is provided with a second driving device (36), and the second driving device (36) is connected with the second conveying rail (6).