Digital printing aqueous drying method

Abstract

This invention discloses a method for drying water-based digital printing paper, including a U-shaped feeder. Several paper-supporting rollers for supporting water-based printing paper are installed at both the front and rear ends of the feeder. A U-shaped cutout frame is installed at the feed end of the feeder, and C-shaped slide blocks are slidably mounted on the front and rear outer walls of the U-shaped cutout frame via a double-rod guide structure. An electric heating plate is installed between two C-shaped slide blocks in the Y-axis direction. A swing-push type following mechanism that drives the C-shaped slide blocks to move linearly left and right is installed on one side of the outer wall of the U-shaped cutout frame. This invention utilizes the swing-push type following mechanism to adjust the position of the electric heating plate in real time according to the movement of the paper, ensuring that the electric heating plate always maintains a synchronized movement speed with the paper, thereby achieving continuous heating and drying of the paper.

Description

Technical Field

[0001] This invention relates to the field of digital printing equipment technology, specifically to a water-based drying method for digital printing. Background Technology

[0002] Drying equipment plays a crucial role in digital printing equipment. It rapidly dries water-based printing paper after printing by heating air or directly transferring heat to the surface of the printed material, ensuring that the ink or dye can cure quickly and complete subsequent processing. Its structure mainly includes a heat source system, a conveyor system, a drying tunnel, fans and air ducts, and a control system. The heat source system generates heat using electric heating tubes, infrared lamps, or gas heating systems. The conveyor system smoothly delivers the printed material into the drying tunnel via a conveyor belt. Within the drying tunnel, hot air or heat is circulated through the fan and air duct system, evenly transferring it to the surface of the printed material and promoting rapid evaporation of moisture. The control system monitors and adjusts the temperature and airflow during the drying process to ensure that the printed materials dry under optimal conditions and avoid quality problems. For example, a drying device for digital printing paper processing disclosed in application publication number CN117162676A includes a housing, inside which a conveying mechanism, a drying mechanism, and a dehumidification mechanism are installed. The conveying mechanism includes two sets of conveyor rollers for conveying the digital printing paper, which divide the space inside the housing into low-temperature zones on both sides and a high-temperature zone in the middle. The drying mechanism is used to dry the digital printing paper after inkjet printing, and the drying mechanism includes a first hot air assembly... The system includes two diversion components. The first hot air component is located above the high-temperature zone. By setting low-temperature zones on both sides of the high-temperature zone, it increases the preheating and heat preservation functions, thereby improving the drying degree and drying effect. However, in the above technical solution, the hot air component provides hot air downwards to the high-temperature zone. Since the effective range of the hot air component and the high-temperature zone is constant, the water-based printing paper will no longer be dried after passing through the high-temperature zone. That is, when the water-based printing paper passes through the high-temperature zone, the hot air component can only provide hot air in that area and cannot follow the water-based printing paper to perform the drying action, which limits the drying speed of the entire printing paper. Summary of the Invention

[0003] The purpose of this invention is to provide a digital printing water-based drying method. The water-based printing paper, after printing and awaiting drying, is fed into a circular feeder. The position of the water-based printing paper is identified by a grating, which activates a gear self-resetting paper pressing module. During the continuous movement of the water-based printing paper, a swing-push type following mechanism causes an electric heating plate to move with the water-based printing paper. Finally, a plate-type air blowing mechanism thoroughly dries the water-based printing paper, thereby solving the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a digital printing water-based drying apparatus, comprising:

[0005] The U-shaped feeding frame has several paper support rollers installed at both the front and rear ends inside the U-shaped feeding frame for supporting water-based printing paper. The feeding end of the U-shaped feeding frame is equipped with a U-shaped cutout frame, and C-shaped slide blocks are slidably installed on the front and rear outer walls of the U-shaped cutout frame through a double rod guide structure. An electric heating plate is installed between the two C-shaped slide blocks in the Y-axis direction. A swing-push type following mechanism that drives the C-shaped slide blocks to move linearly left and right is installed on one side of the outer wall of the U-shaped cutout frame.

[0006] A plate-type air blowing mechanism is installed at one end inside the U-shaped feeding frame. An air inlet structure is installed at the air inlet end of the plate-type air blowing mechanism. Vertical plates are fixed to both sides of the top of the plate-type air blowing mechanism. A gear-driven self-resetting paper pressing module for applying pressure to water-based printing paper is installed between the two vertical plates on one side of the gear-driven self-resetting paper pressing module. A grating for detecting the position of the water-based printing paper is installed between the two vertical plates on one side of the U-shaped hollow frame. A motor controller is installed on the outer wall of one side of the U-shaped hollow frame. The output end of the motor controller is electrically connected to the input end of the gear-driven self-resetting paper pressing module, the electric heating plate, and the swing-pull following mechanism. The input end of the motor controller is electrically connected to the output end of the grating.

[0007] Preferably, the paper support roller includes a steel column fixed inside one end of the spiral feeder, and several rubber wheels rotatably mounted on the surface of the steel column.

[0008] Preferably, the gear self-resetting paper pressing module includes a drive shaft rotatably mounted between the two vertical plates, a pressing plate bolted to the surface of the drive shaft, and a gear transmission structure for connecting the same end of the two drive shafts. A rotary drive unit for driving one of the drive shafts to rotate is installed on the outer wall of one side of the loop feeder.

[0009] Preferably, the gear self-resetting paper pressing module further includes an elastic self-resetting structure installed on the outer wall of one side of the loop feeder. The elastic self-resetting structure includes a tension spring installed on the outer wall of one side of the loop feeder and an end cap fixed to the end of the drive shaft. A Z-shaped cap rod is fixed to the outer circumferential surface of the end cap. One end of the Z-shaped cap rod is fastened to the top of the tension spring. The rotary drive unit adopts a servo motor. The output end of the servo motor is fixedly connected to one end of one of the drive shafts through a coupling.

[0010] Preferably, the plate-type air blowing mechanism includes two symmetrical hollow boxes with several air nozzles installed inside the U-shaped material feeder, and a right-angle air inlet pipe installed at the bottom of the hollow box.

[0011] Preferably, the air intake structure consists of a three-way pipe installed at the same end of the two right-angle air intake pipes and a solenoid valve installed at the bottom end of the three-way pipe.

[0012] Preferably, the double-rod guide structure consists of two support rods installed on the outer wall of one side of the U-shaped hollow frame, and a rectangular sleeve slidably installed on the surface of the support rods, wherein the C-shaped slide block and the rectangular sleeve are bolted together.

[0013] Preferably, the swing-push type following mechanism includes a long swing arm hinged to the inner wall of one side of the U-shaped hollow frame, a short roller rotatably mounted on the outer wall of one side of the C-shaped slide, and an electric push rod hinged to the inner wall of the other side of the U-shaped hollow frame. A protrusion is integrally formed on one side of the outer wall of the long swing arm. The top of the piston rod of the electric push rod is hinged to the outer wall of one side of the protrusion through a fisheye joint. A straight hollow groove for the short roller to slide is opened on the surface of the long swing arm.

[0014] Preferably, a filter is installed at one end of the surface of the three-way pipe, and the outer diameter of the three-way pipe gradually increases from the end near the solenoid valve to the other end.

[0015] The present invention also provides a digital printing water-based drying method, as described above in the digital printing water-based drying apparatus, comprising the following steps:

[0016] S101: Water-based printing paper that has been printed and is awaiting drying in digital printing equipment is fed into a feeder. The paper is supported by a paper roller to ensure that the paper can pass through the entire drying process stably.

[0017] S102: When the water-based printing paper is fed into the loop feeder and enters the drying area and is recognized by the grating, the motor controller controls the rotary drive unit to operate the gear self-resetting paper pressing module. That is, the rotary drive unit automatically adjusts the position of the paper pressing module according to the signal recognized by the grating to press the paper.

[0018] S103: The pendulum-type following mechanism adjusts the position of the electric heating plate in real time according to the signal of the grating recognition system, so that the electric heating plate can always move synchronously with the paper. It adjusts according to the speed and position of the paper to ensure that the paper is heated evenly during the drying process. When the pendulum-type following mechanism moves to the limit position, it resets and repeats the action.

[0019] S104: The electric heating plate continuously heats the water-based printing paper, allowing the moisture on the paper surface to evaporate quickly, thus achieving rapid drying.

[0020] S105: The air intake structure is connected to an external air pump to provide the airflow required for drying to the plate blowing mechanism, which provides sufficient airflow to dry the paper.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: The digital printing water-based drying method and apparatus, through the arrangement of a plate-type air blowing mechanism and a swing-push type following mechanism, can accurately identify the position of the water-based printing paper through a grating, so that the gear self-resetting paper pressing module can accurately press the paper, ensuring that the paper can maintain a stable position during the drying process. The swing-push type following mechanism can adjust the position of the electric heating plate in real time according to the movement position of the paper, so as to ensure that the electric heating plate can always maintain a synchronous movement speed with the paper, thereby achieving continuous heating and drying of the paper, thus ensuring that the water-based printing paper is heated evenly and has a good drying effect during the drying process. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 3 ;

[0025] Figure 4 This is a schematic diagram of the main structure of the present invention;

[0026] Figure 5 This is a three-dimensional structural diagram of the gear self-resetting paper pressing module according to Embodiment 2 of the present invention;

[0027] Figure 6 This is a three-dimensional structural diagram of the air intake structure according to Embodiment 2 of the present invention;

[0028] Figure 7 This is a three-dimensional structural diagram of Embodiment 3 of the present invention. Figure 1 ;

[0029] Figure 8 This is a three-dimensional structural diagram of Embodiment 3 of the present invention. Figure 1 .

[0030] In the diagram: 1. Recurved feeder; 2. Paper support roller; 3. Gear self-resetting paper pressing module; 301. Drive shaft; 302. Pressing plate; 303. Gear transmission structure; 304. Tension spring; 305. End cap; 306. Z-shaped capped rod; 4. Rotary drive unit; 5. Vertical plate; 6. Grating; 7. U-shaped hollow frame; 8. Motor controller; 9. Double rod guide structure; 10. C-shaped slide; 11. Electric heating plate; 12. Swing-type following mechanism; 1201. Long swing arm; 1202. Short roller; 1203. Electric push rod; 1204. Protrusion; 1205. Straight-mouth hollow groove; 13. Plate-type air blowing mechanism; 1301. Hollow box; 1302. Right-angle air inlet pipe; 14. Air inlet structure; 1401. T-pipe; 1402. Solenoid valve. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0032] Example 1, by Figures 1 to 4 The present invention includes a spiral feeder 1, with several paper support rollers 2 for supporting water-based printing paper installed at both the front and rear ends of the spiral feeder 1. A U-shaped cutout frame 7 is installed at the feed end of the spiral feeder 1, and C-shaped slide blocks 10 are slidably installed on the front and rear outer walls of the U-shaped cutout frame 7 through a double rod guide structure 9. An electric heating plate 11 is installed between two C-shaped slide blocks 10 in the Y-axis direction. A swing-push type following mechanism 12 for driving the C-shaped slide blocks 10 to move linearly left and right is installed on one side of the outer wall of the U-shaped cutout frame 7.

[0033] A plate-type air blowing mechanism 13 is installed at one end inside the U-shaped feeding frame 1. An air inlet structure 14 is installed at the air inlet end of the plate-type air blowing mechanism 13. Upright plates 5 are fixed on both sides of the top of the plate-type air blowing mechanism 13. A gear self-resetting paper pressing module 3 for applying pressure to water-based printing paper is installed between the two upright plates 5. A grating 6 for detecting the position of water-based printing paper is installed between the two upright plates 5 on one side of the gear self-resetting paper pressing module 3. A motor controller 8 is installed on the outer wall of one side of the U-shaped hollow frame 7. The output end of the motor controller 8 is electrically connected to the input end of the gear self-resetting paper pressing module 3, the electric heating plate 11, and the swing-pushing following mechanism 12. The input end of the motor controller 8 is electrically connected to the output end of the grating 6.

[0034] The paper support roller 2 includes a steel column fixed inside one end of the circular feeder 1, and several rubber wheels rotatably mounted on the surface of the steel column. Through the action of the paper support roller 2, the paper can be stably passed through the entire drying process, avoiding paper jams or displacement during transportation, and ensuring that subsequent equipment can work normally.

[0035] This embodiment of a digital printing water-based drying method, such as the digital printing water-based drying apparatus described above, includes the following steps:

[0036] S101: Water-based printing paper that has been printed and is waiting to be dried in the digital printing equipment is fed into the feeder 1. The paper is supported by the paper roller 2 to ensure that the paper can pass through the entire drying process stably.

[0037] S102: When the water-based printing paper is fed into the feeder 1 and enters the drying area and is recognized by the grating 6, the motor controller 8 controls the rotary drive unit 4 to operate the gear self-resetting paper pressing module 3. That is, the rotary drive unit 4 automatically adjusts the position of the paper pressing module according to the signal recognized by the grating 6 to press the paper.

[0038] S103: The pendulum-type following mechanism 12 adjusts the position of the electric heating plate 11 in real time according to the signal of the grating 6 recognition system, so that the electric heating plate 11 can always move synchronously with the paper. It adjusts according to the speed and position of the paper to ensure that the paper is heated evenly during the drying process. When the pendulum-type following mechanism 12 moves to the limit position, it resets and repeats the action.

[0039] S104: The electric heating plate 11 continuously heats the water-based printing paper, enabling the moisture on the paper surface to evaporate quickly and achieve rapid drying.

[0040] S105: The air intake structure 14 is connected to an external air pump to provide the airflow required for drying to the plate blowing mechanism 13, which provides sufficient airflow to dry the paper.

[0041] Example 2, based on Example 1, is... Figure 5 and Figure 6The self-resetting paper pressing module 3 includes a drive shaft 301 rotatably mounted between two vertical plates 5, a pressing plate 302 bolted to the surface of the drive shaft 301, and a gear transmission structure 303 for connecting the same end of the two drive shafts 301. A rotary drive unit 4 for driving one of the drive shafts 301 to rotate is installed on the outer wall of one side of the circular feeder 1. The rotary drive unit 4 uses a servo motor, and the output end of the servo motor is fixedly connected to one end of one of the drive shafts 301 through a coupling. When the water-based printing paper is fed into the area below the grating 6 and detected by it, the motor controller 8 drives the rotary drive unit 4 to work. The rotational power of the rotary drive unit 4 is then transmitted to one of the drive shafts 301. At this time, the two drive shafts 301 rotate synchronously and in opposite directions under the power connection of the gear transmission structure 303. As a result, the drive shaft 301 drives the pressing plate 302 to flip up to allow the water-based printing paper to enter.

[0042] The gear self-resetting paper pressing module 3 also includes an elastic self-resetting structure installed on the outer wall of one side of the circular feeder 1. The elastic self-resetting structure includes a tension spring 304 installed on the outer wall of one side of the circular feeder 1 and an end cap 305 fixed to the end of the drive shaft 301. A Z-shaped belt cap rod 306 is fixed on the outer circumferential surface of the end cap 305. One end of the Z-shaped belt cap rod 306 is interlocked with the top of the tension spring 304. When the water-based printing paper enters between the air intake structure 14 and the pressing plate 302, the rotary drive unit 4 stops operating, and the tension spring 304 loses its external power restriction. It starts to reset from the stretched state. That is, the tension spring 304 pulls the drive shaft 301 to flip through the Z-shaped belt cap rod 306 and the end cap 305, so that the pressing plate 302 presses the surface of the water-based printing paper again. At this time, the water-based printing paper can still be moved by the feeding equipment and traction device in the printing equipment. By pressing the paper, it is ensured that the paper can maintain a stable position during the drying process.

[0043] The plate-type air blowing mechanism 13 includes two symmetrical hollow boxes 1301 with several air nozzles installed inside the loop feeder 1, and a right-angle air inlet pipe 1302 installed at the bottom of the hollow box 1301. The air inlet structure 14 consists of a three-way pipe 1401 installed at the same end of the two right-angle air inlet pipes 1302 and a solenoid valve 1402 installed at the bottom of the three-way pipe 1401. A filter is installed at one end of the surface of the three-way pipe 1401, and the outer diameter of the three-way pipe 1401 gradually increases from the end near the solenoid valve 1402 to the other end.

[0044] The operator connects the solenoid valve 1402 to an external air pump and keeps the solenoid valve 1402 in the normally open state. The airflow generated by the air pump can enter the corresponding hollow box 1301 through the three-way pipe 1401 and the right-angle air inlet pipe 1302, and is blown onto the water-based printing paper through several air nozzles on the surface of the hollow box 1301, so as to ensure that the printed matter is thoroughly dried in the shortest possible time.

[0045] Example 3, based on Example 1, is... Figure 7 and Figure 8 The swing-push type following mechanism 12 includes a long swing arm 1201 hinged to the inner wall of one side of the U-shaped hollow frame 7, a short roller 1202 rotatably mounted on the outer wall of one side of the C-shaped slide block 10, and an electric push rod 1203 hinged to the inner wall of the other side of the U-shaped hollow frame 7. A protrusion 1204 is integrally formed on one side of the outer wall of the long swing arm 1201. The top of the piston rod of the electric push rod 1203 is hinged to the outer wall of one side of the protrusion 1204 via a fisheye joint. A straight-cut hollow groove 1205 is formed on the surface of the long swing arm 1201 for the short roller 1202 to slide. After the water-based printing paper enters the loop feeder 1, the electric push rod 1203 is activated by the motor controller 8 to perform a reciprocating extension and retraction action. The motor controller 8 controls the motor in the electric push rod 1203 to work according to the set direction, speed, angle, and response time to achieve the purpose of extension and retraction. When the electric push rod 1203 extends, the long swing arm 1201 is driven to swing. Since the short roller 1202 on the outer wall is located in the straight cut groove 1205, the swing motion of the long swing arm 1201 is converted into the horizontal linear motion of the C-shaped slide 10, so that the electric heating plate 11 moves with the water-based printing paper. When the C-shaped slide 10 and the electric heating plate 11 are pushed to the limit position, the electric push rod 1203 resets and causes the C-shaped slide 10 and the electric heating plate 11 to perform the next action, thereby ensuring that the paper can be heated evenly during the drying process.

[0046] The double-rod guide structure 9 consists of two support rods installed on the outer wall of one side of the U-shaped hollow frame 7, and a rectangular sleeve that is slidably installed on the surface of the support rods. The C-shaped slide 10 is bolted to the rectangular sleeve. The double-rod guide structure 9 can effectively limit the offset and swing of the C-shaped slide 10 and the electric heating plate 11 during the movement process, ensuring that their movement trajectory is stable and accurate.

[0047] In this embodiment, the water-based printing paper, after printing and awaiting drying in the digital printing equipment, is first fed into the feeder 1. The paper support roller 2 ensures the paper passes stably through the entire drying process, preventing paper jams or displacement during transport and ensuring the normal operation of subsequent equipment. Once the water-based printing paper is fed into the feeder 1 and enters the drying area, it is recognized by the grating 6. The motor controller 8 then controls the rotary drive unit 4 to operate the gear self-resetting paper pressing module 3. Specifically, the gear self-resetting paper pressing module 3 and the rotary drive unit 4 automatically adjust based on the signal detected by the grating 6. The position of the paper pressing module is used to press the paper. The gear self-resetting paper pressing module 3 ensures that the paper maintains a stable position on the plate blowing mechanism 13 during the drying process, and avoids subsequent paper shaking or displacement. At the same time, the swing-push following mechanism 12 can adjust the position of the electric heating plate 11 in real time according to the signal of the grating 6 recognition system, so that the electric heating plate 11 can always move synchronously with the paper. It adjusts according to the speed and position of the paper to ensure that the paper is heated evenly during the drying process. When the swing-push following mechanism 12 moves to its limit position, it resets and repeats the action to ensure that the C-shaped slide 10 and the electric heating plate 11 move synchronously. The hot plate 11 slides back and forth, following the water-based printing paper. The electric heating plate 11 provides efficient heating, continuously heating the water-based printing paper to rapidly evaporate moisture from its surface, achieving quick drying. After the water-based printing paper passes the electric heating plate, the plate-type air blowing mechanism 13 and the air intake structure 14 are activated, thoroughly drying the paper through airflow. During this process, the air intake structure 14 is connected to an external air pump to provide the necessary airflow to the plate-type air blowing mechanism 13, ensuring sufficient airflow for drying the paper. After the paper passes the electric heating plate 11 and the plate-type air blowing mechanism 13... After being processed by the air blowing mechanism 13, the paper is pulled out by the feeding device or traction device in the digital printing equipment. During the operation of this device, the position of the water-based printing paper can be accurately identified by the grating 6, so that the gear self-resetting paper pressing module 3 can accurately press the paper, ensuring that the paper can maintain a stable position during the drying process. The swing-pushing following mechanism 12 can adjust the position of the electric heating plate 11 in real time according to the movement position of the paper, so as to ensure that the electric heating plate 11 can always maintain a synchronous movement speed with the paper, thereby achieving continuous heating and drying of the paper, thus ensuring that the water-based printing paper is heated evenly and has a good drying effect during the drying process.

[0048] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0049] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A digital printing water-based drying method, characterized in that: Includes the following steps: S101: The water-based printing paper that has been printed and is waiting to be dried in the digital printing equipment is fed into the circular feeder (1) in the water-based drying device. Through the action of the paper support roller (2), the paper is ensured to pass through the entire drying process stably. S102: When the water-based printing paper is fed into the feeder (1) and enters the drying area and is recognized by the grating (6), the motor controller (8) controls the rotary drive unit (4) to operate the gear self-resetting paper pressing module (3). That is, the rotary drive unit (4) automatically adjusts the position of the paper pressing module according to the signal recognized by the grating (6) to press the paper. S103: The pendulum-type following mechanism (12) adjusts the position of the electric heating plate (11) in real time according to the signal of the grating (6) recognition system, so that the electric heating plate (11) can always move synchronously with the paper. It adjusts according to the speed and position of the paper to ensure that the paper is heated evenly during the drying process. When the pendulum-type following mechanism (12) moves to the limit position, it resets and repeats the action. S104: The electric heating plate (11) continuously heats the water-based printing paper, enabling the moisture on the paper surface to evaporate quickly and achieve rapid drying. S105: The air intake structure (14) is connected to an external air pump to provide the airflow required for drying to the plate-type air blowing mechanism (13), which provides sufficient airflow to dry the paper; the water-based drying device includes: A circular feeder (1) is provided, with several paper support rollers (2) for supporting water-based printing paper installed at both the front and rear ends of the circular feeder (1). A U-shaped cutout frame (7) is installed at the feed end of the circular feeder (1), and C-shaped slides (10) are slidably installed on the front and rear outer walls of the U-shaped cutout frame (7) through a double rod guide structure (9). An electric heating plate (11) is installed between the two C-shaped slides (10) in the Y-axis direction. A swing-push type following mechanism (12) for driving the C-shaped slides (10) to move linearly left and right is installed on one side of the outer wall of the U-shaped cutout frame (7). A plate-type air blowing mechanism (13) is installed at one end inside the circular feeder (1). An air inlet structure (14) is installed at the air inlet end of the plate-type air blowing mechanism (13). Upright plates (5) are fixed on both sides of the top of the plate-type air blowing mechanism (13). A gear self-resetting paper pressing module (3) for applying pressure to water-based printing paper is installed between the two upright plates (5). A grating (6) for detecting the position of water-based printing paper is installed between the two upright plates (5) on one side of the gear self-resetting paper pressing module (3). A motor controller (8) is installed on the outer wall of one side of the U-shaped hollow frame (7). The output end of the motor controller (8) is electrically connected to the input end of the gear self-resetting paper pressing module (3), the electric heating plate (11), and the swing-pushing following mechanism (12). The input end of the motor controller (8) is electrically connected to the output end of the grating (6).

2. The digital printing water-based drying method according to claim 1, characterized in that: The paper support roller (2) includes a steel column fixed inside one end of the spiral feeder (1) and several rubber wheels rotatably mounted on the surface of the steel column.

3. The digital printing water-based drying method according to claim 2, characterized in that: The gear self-resetting paper pressing module (3) includes a drive shaft (301) rotatably mounted between the two upright plates (5), a pressing plate (302) bolted to the surface of the drive shaft (301), and a gear transmission structure (303) for connecting the same end of the two drive shafts (301). A rotary drive unit (4) for driving one of the drive shafts (301) to rotate is installed on the outer wall of one side of the loop feeder (1).

4. The digital printing water-based drying method according to claim 3, characterized in that: The gear self-resetting paper pressing module (3) also includes an elastic self-resetting structure installed on the outer wall of one side of the loop feeder (1). The elastic self-resetting structure includes a tension spring (304) installed on the outer wall of one side of the loop feeder (1) and an end cap (305) fixed to the end of the drive shaft (301). A Z-shaped cap rod (306) is fixed on the outer circumference of the end cap (305). One end of the Z-shaped cap rod (306) is fastened to the top of the tension spring (304). The rotary drive unit (4) adopts a servo motor. The output end of the servo motor is fixedly connected to one end of one of the drive shafts (301) through a coupling.

5. The digital printing water-based drying method according to claim 4, characterized in that: The plate-type air blowing mechanism (13) includes two symmetrical hollow boxes (1301) with several air nozzles installed inside the loop feeder (1), and a right-angle air inlet pipe (1302) installed at the bottom of the hollow box (1301).

6. The digital printing water-based drying method according to claim 5, characterized in that: The air intake structure (14) consists of a three-way pipe (1401) installed at the same end of the two right-angle air intake pipes (1302) and a solenoid valve (1402) installed at the bottom of the three-way pipe (1401).

7. The digital printing water-based drying method according to claim 6, characterized in that: The double-rod guide structure (9) consists of two support rods installed on the outer wall of one side of the U-shaped hollow frame (7), and a rectangular sleeve that is slidably installed on the surface of the support rods. The C-shaped slide (10) is bolted to the rectangular sleeve.

8. The digital printing water-based drying method according to claim 7, characterized in that: The swing-push type following mechanism (12) includes a long swing arm (1201) hinged to the inner wall of one side of the U-shaped hollow frame (7), a short roller (1202) rotatably mounted on the outer wall of one side of the C-shaped slide (10), and an electric push rod (1203) hinged to the inner wall of the other side of the U-shaped hollow frame (7). A protrusion (1204) is integrally formed on one side of the outer wall of the long swing arm (1201). The top of the piston rod of the electric push rod (1203) is hinged to the outer wall of one side of the protrusion (1204) through a fish-eye joint. A straight hollow groove (1205) for the short roller (1202) to slide is opened on the surface of the long swing arm (1201).

9. A digital printing water-based drying method according to claim 8, characterized in that: A filter is installed at one end of the surface of the three-way pipe (1401), and the outer diameter of the three-way pipe (1401) gradually increases from one end near the solenoid valve (1402) to the other end.

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