An ink drying device for digital printing of billboards

Abstract

The application relates to the technical field of billboard printing, and discloses an ink drying device for digital printing of billboards, which comprises a workbench, a blanking assembly and a drying assembly, wherein the drying assembly is arranged above the workbench, the upper surface of the workbench is fixedly connected with sliding rods, the sliding rods are symmetrically arranged in two groups, a fixed plate is arranged above the sliding rods, the blanking assembly comprises a driving box fixedly installed on the upper surface of the fixed plate, a fixing piece drives a pushing block to move to one side in a matching groove through a connecting piece, so that the pushing block is in a standby state; when blanking is needed, the driving motor is reversed, the rotating cam is also reversed, the above step is reversely operated, the pushing block pushes one side of a billboard box to move, the billboard is pushed out from the placing frame, automatic blanking is realized, the staff is prevented from contacting the dried billboard, and the possibility of the staff being scalded is reduced.

Description

Technical Field

[0001] This invention relates to the field of billboard printing technology, specifically to an ink drying device for digital printing of billboards. Background Technology

[0002] Products printed with ink need to be dried before further processing. Currently, there are two drying methods: natural drying and baking drying. Natural drying involves placing the printed product on a workbench and using air circulation to dry the ink. Baking drying involves placing the printed product in a baking and heating device and using hot air to evaporate the moisture in the ink.

[0003] Publication No. CN202310999872.2 discloses a drying device for a billboard printing machine, including a base with a hot air chamber inside. The hot air chamber has an inlet pipe for supplying high-speed hot airflow. The hot air chamber also has evenly distributed rotating plates with evenly distributed inclined holes. These inclined holes are inclined in the circumferential direction of the rotating plates. Although this invention uses high-speed hot airflow to impact the rotating plates, causing the hot airflow to pass through the inclined holes and exert a circumferential reaction force on the rotating plates, thus rotating the plates and changing the original position of the hot airflow, and mixing the hot airflow to a certain extent, allowing the hot airflow that was originally close to the printed material to regain heat from the hot airflow that was originally far away after losing a large amount of heat, in actual use, when removing the dried printed material, workers need to use other devices to remove it. Direct removal may result in burns to workers due to the high temperature of the dried billboard, or make unloading difficult. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides an ink drying device for digital printing of billboards. This device automatically pushes the billboard out of the placement frame, reducing contact between workers and the dried billboard and minimizing the risk of burns. Through several air vents, it can uniformly heat the ink on the billboard surface, improving drying efficiency and overall heating effectiveness. This solves the problem that removing the dried printed material requires workers to use other devices, which could result in burns or difficulties in unloading due to the high temperature of the dried billboard.

[0006] (II) Technical Solution

[0007] To achieve the goal of automatically unloading the billboard by pushing it out of the placement frame, while reducing worker contact with the dried billboard and minimizing the risk of burns, the invention provides the following technical solution: an ink drying device for digital printing of billboards, comprising: a worktable, a feeding assembly, a drying assembly, and further comprising:

[0008] The drying assembly is positioned above the workbench. A sliding rod is fixedly connected to the upper surface of the workbench, with two symmetrical sets of sliding rods arranged on the left and right sides. A fixed plate is positioned above the sliding rods. The feeding assembly includes a drive box fixedly mounted on the upper surface of the fixed plate. A drive motor is fixedly connected to the lower surface of the inner wall of the drive box. A connecting box is fixedly connected to one side of the drive box, and the drive box communicates with the connecting box. One side of the connecting box is fixedly connected to one side surface of the workbench. A connecting worm gear is fixedly connected to the output end of the drive motor. A first pulley is fixedly connected to the upper surface of the connecting worm gear. A rotating rod is rotatably connected between the upper and lower sides of the inner wall of the connecting box. A second pulley is fixedly connected to the surface of the rotating rod, and the second pulley is connected to the first pulley via a transmission belt. A connecting rod is positioned on the inner wall of the workbench near the connecting box, and the connecting rod passes through and extends into the connecting box. Inside, a rotating cam is fixedly connected to one end of the connecting rod, and an adjusting rod is fixedly connected to one end of the rotating cam. A mating rod is rotatably connected between the left and right sides of the inner wall of the worktable. A connecting block is fixedly connected to the surface of the mating rod. Two sets of connecting blocks are symmetrically arranged. A sliding groove for the adjusting rod to slide is opened inside the inner wall of the connecting block. A placement frame is fixedly connected to the upper surface of the worktable. A connecting groove is opened on the upper surface of the worktable. Two sets of connecting grooves are symmetrically arranged. A pushing block is slidably connected to the worktable through the connecting groove. A mating groove is opened on both the left and right sides of the inner wall of the pushing block. A connecting piece is slidably connected to the pushing block through the mating groove. A fixing piece is rotatably connected to the surface of the connecting piece. One end of the fixing piece is fixedly connected to one side of the connecting block. A first bevel gear is fixedly connected to one end of the connecting rod, and a second bevel gear that meshes with the first bevel gear is fixedly connected to the surface of the rotating rod.

[0009] Furthermore, the pushing block extends above the placement frame, passes through both sides of the placement frame, and can slide to the outside of the placement frame.

[0010] Furthermore, the drying assembly includes a drying frame positioned above the workbench, a drying chamber fixedly connected to the upper surface of the drying frame, and a connecting seat fixedly connected to the upper surface of the drying chamber. The drying frame is slidably connected to a sliding rod. The output end of the drive motor drives the connecting worm gear to rotate. As the connecting worm gear rotates, it meshes with a connecting worm wheel, causing the connecting worm wheel to rotate and drive the connecting threaded rod to rotate, thus moving it downwards. Simultaneously, as the connecting threaded rod moves downwards, it drives the connecting seat to move downwards, causing the drying chamber and the drying frame to slide on the surface of the sliding rod. The downward movement of the drying frame covers the advertising board inside the placement frame, thus achieving a sealing effect during the drying process and improving drying efficiency.

[0011] Furthermore, a connecting threaded rod is rotatably connected to the upper surface of the connecting seat. The connecting threaded rod passes through and extends above the fixing plate. A threaded groove is provided at the connection between the fixing plate and the connecting threaded rod. The fixing plate is threadedly connected to the connecting threaded rod through the threaded groove.

[0012] Furthermore, a connecting worm gear is fixedly connected to the upper end of the connecting threaded rod, and the connecting worm gear meshes with the connecting worm. A gas supply box is fixedly connected to the upper surface of the drying box, and a gas supply pump is installed inside the gas supply box.

[0013] Furthermore, the drying frame is connected to the drying chamber, and a connecting bend is fixedly connected to the upper surface of the inner wall of the drying chamber. Several air outlets are opened on the lower surface of the connecting bend.

[0014] Furthermore, an electric heating wire is fixedly connected to the inner wall of the drying frame. Several sets of electric heating wires are provided. The electric heating wires are located below the connecting bend. A connecting pipe is fixedly connected to the upper surface of the connecting bend. The connecting pipe is fixedly connected to the output end of the air pump. The air pump inside the air supply box delivers gas through the connecting pipe to the connecting bend. At the same time, the electric heating wires are activated. When the gas exits through the air outlet in the connecting bend, it is heated after passing through the electric heating wire and then delivered to the surface of the billboard, thereby drying the ink printed on the billboard surface. At the same time, the multiple air outlets can evenly heat the ink on the billboard surface, improving the drying effect and heating efficiency.

[0015] Furthermore, a sliding block is fixedly connected to one side surface of the workbench. The upper surface of the sliding block is shaped to be angled downwards. A placement groove is opened inside the sliding block and extends to the top of the sliding block. A collection drawer is slidably connected inside the sliding block through the placement groove. The collection drawer can be used to collect the billboards in a centralized manner.

[0016] Furthermore, a push handle is fixedly connected to one side of the collection drawer, and cushioning pads are fixedly connected to both sides of the inner wall of the collection drawer. The cushioning pads can play a certain role in cushioning when the billboard falls.

[0017] Furthermore, ventilation holes are provided on one side surface of the drying frame.

[0018] (III) Beneficial Effects

[0019] Compared with the prior art, the present invention provides an ink drying device for digital printing of billboards, which has the following beneficial effects:

[0020] 1. The ink drying device for digital printing of billboards, when the connecting worm gear rotates, drives the first pulley to rotate synchronously. The first pulley, in turn, drives the second pulley to rotate via a transmission belt. The second pulley, in turn, drives a rotating rod to rotate. This rotating rod drives a second bevel gear to rotate, which meshes with the first bevel gear, causing it to rotate synchronously. The first bevel gear, in turn, drives a connecting rod to rotate. This connecting rod, in turn, drives a rotating cam, which in turn drives an adjusting rod. The adjusting rod slides within a sliding groove inside the connecting block. Simultaneously, the adjusting rod drives the connecting block to rotate on the surface of the mating rod. This rotation of the connecting block causes the fixing component to move synchronously. Simultaneously, the fixing component, through the connecting component, drives a pushing block to move to one side within the mating groove, placing the pushing block in a ready state. When unloading is required, the drive motor reverses, and the rotating cam also reverses, reversing the above steps. This causes the pushing block to push the billboard box to one side, thus pushing the billboard out of the placement frame. This achieves automatic unloading while reducing contact between workers and the dried billboard, minimizing the possibility of burns.

[0021] 2. This ink drying device for digital printing on billboards uses a drive motor to rotate a connecting worm gear. Simultaneously, the worm gear meshes with a connecting worm wheel, causing the connecting worm wheel to rotate and drive a connecting threaded rod downwards. This downward movement of the threaded rod, in turn, moves the connecting seat downwards, causing the drying chamber and drying frame to slide on the sliding rod surface. The drying frame then covers the billboard inside. Simultaneously, an air pump inside the air supply box delivers gas through a connecting pipe to a connecting bend. At the same time, an electric heating wire is activated. As the gas exits through the air outlet in the connecting bend, it is heated by the electric heating wire and then delivered to the billboard surface, drying the ink printed on the billboard. The multiple air outlets ensure uniform heating of the ink on the billboard surface, improving both the drying effect and heating efficiency. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of an ink drying device for digital printing of billboards according to the present invention;

[0023] Figure 2 This is a schematic diagram of the overall side structure of an ink drying device for digital printing of billboards according to the present invention;

[0024] Figure 3 This is a top view schematic diagram of the overall structure of an ink drying device for digital printing of billboards according to the present invention;

[0025] Figure 4 This is a schematic diagram of the feeding component of an ink drying device for digital printing of billboards according to the present invention;

[0026] Figure 5 This is a schematic diagram of the feeding component of an ink drying device for digital printing of billboards according to the present invention;

[0027] Figure 6 This invention relates to an ink drying device for digital printing of billboards. Figure 5 Schematic diagram of the structure at point A in the middle;

[0028] Figure 7 This is a schematic diagram of the drying component structure of an ink drying device for digital printing of billboards according to the present invention;

[0029] Figure 8 This is a schematic diagram of the connecting bend structure of an ink drying device for digital printing of billboards according to the present invention.

[0030] In the diagram: 1. Workbench; 2. Feeding assembly; 201. Drive box; 202. Connecting box; 203. Connecting worm gear; 204. Drive motor; 205. First pulley; 206. Rotating rod; 207. Second pulley; 208. Connecting rod; 209. Rotating cam; 210. Adjusting rod; 211. Matching rod; 212. Connecting block; 213. Sliding groove; 214. Pushing block; 215. Matching groove; 216. Connecting piece; 217. Fixing piece; 218. 219. First bevel gear; 210. Second bevel gear; 31. Drying assembly; 32. Drying frame; 33. Drying box; 34. Connecting seat; 35. Connecting threaded rod; 36. Connecting worm gear; 37. Connecting bend; 38. Air outlet; 39. Electric heating wire; 40. Connecting pipe; 51. Sliding rod; 62. Fixing plate; 73. Placement frame; 84. Connecting groove; 95. Air supply box; 10. Sliding block; 11. Placement groove; 12. Collection drawer; 13. Push handle; 14. Buffer pad; 15. Vent. 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. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] For a specific implementation example, please refer to Implementation Example 1. Figure 1-8 A drying device for digital printing ink on billboards includes: a worktable 1, a feeding assembly 2, and a drying assembly 3, and further includes:

[0033] The drying assembly 3 is positioned above the workbench 1. A sliding rod 4 is fixedly connected to the upper surface of the workbench 1. Two sets of sliding rods 4 are symmetrically arranged on the left and right sides. A fixing plate 5 is positioned above the sliding rods 4. The unloading assembly 2 includes a drive box 201 fixedly mounted on the upper surface of the fixing plate 5. A drive motor 204 is fixedly connected to the lower surface of the inner wall of the drive box 201. A connecting box 202 is fixedly connected to one side of the drive box 201, and the drive box 201 communicates with the connecting box 202. One side of the connecting box 202 is fixedly connected to one side surface of the workbench 1. A connecting worm gear 203 is fixedly connected to the output end of the motor 204. A first pulley 205 is fixedly connected to the upper surface of the connecting worm gear 203. A rotating rod 206 is rotatably connected between the upper and lower sides of the inner wall of the connecting box 202. A second pulley 207 is fixedly connected to the surface of the rotating rod 206. The second pulley 207 and the first pulley 205 are connected by a transmission belt. A connecting rod 208 is provided on the inner wall of the workbench 1 near the connecting box 202. The connecting rod 208 penetrates and extends into the interior of the connecting box 202. One end of the connecting rod 208 is fixedly connected to a rotating cam 209, and the other end of the rotating cam 209 is fixedly connected to an adjusting rod 210. A mating rod 211 is rotatably connected between the left and right sides of the inner wall of the worktable 1. A connecting block 212 is fixedly connected to the surface of the mating rod 211. Two sets of connecting blocks 212 are symmetrically arranged. A sliding groove 213 for the adjusting rod 210 to slide is provided inside the inner wall of the connecting block 212. A placement frame 6 is fixedly connected to the upper surface of the worktable 1. A connecting groove 7 is provided on the upper surface of the worktable 1. Two sets of connecting grooves 7 are symmetrically arranged. The workbench 1 is slidably connected to a push block 214 via a connecting groove 7. The push block 214 has mating grooves 215 on both the left and right sides of its inner wall. The push block 214 is slidably connected to a connector 216 via the mating grooves 215. A fixing member 217 is rotatably connected to the surface of the connector 216. One end of the fixing member 217 is fixedly connected to one side of the connecting block 212. One end of the connecting rod 208 is fixedly connected to a first bevel gear 218. A second bevel gear 219 that meshes with the first bevel gear 218 is fixedly connected to the surface of the rotating rod 206.

[0034] The dimensions of the rotating cam 209, the connecting block 212, and the sliding groove 213 can be changed according to the specific size of the billboard;

[0035] It also includes: a push block 214 extending above the placement frame 6, the push block 214 passing through both sides of the placement frame 6 and being able to slide to the outside of the placement frame 6; a drying assembly 3 including a drying frame 31 disposed above the workbench 1; a drying chamber 32 fixedly connected to the upper surface of the drying frame 31; a connecting seat 33 fixedly connected to the upper surface of the drying chamber 32; the drying frame 31 being slidably connected to the sliding rod 4; a connecting threaded rod 34 rotatably connected to the upper surface of the connecting seat 33; the connecting threaded rod 34 passing through and extending above the fixed plate 5; a threaded groove provided at the connection between the fixed plate 5 and the connecting threaded rod 34; the fixed plate 5 being threadedly connected to the connecting threaded rod 34 through the threaded groove; a connecting worm gear 35 fixedly connected to the upper end of the connecting threaded rod 34; the connecting worm gear 35 meshing with the connecting worm 203; and an air supply box 8 fixedly connected to the upper surface of the drying chamber 32, with an air supply pump disposed inside the air supply box 8. The drying frame 31 is connected to the drying chamber 32. A connecting bend 36 is fixedly connected to the upper surface of the inner wall of the drying chamber 32. Several air vents 37 are opened on the lower surface of the connecting bend 36. An electric heating wire 38 is fixedly connected to the inner wall of the drying frame 31. Several sets of electric heating wires 38 are provided. The electric heating wires 38 are located below the connecting bend 36. A connecting pipe 39 is fixedly connected to the upper surface of the connecting bend 36. The connecting pipe 39 is fixedly connected to the output end of the air pump. A sliding block 9 is fixedly connected to one side surface of the workbench 1. The upper surface of the sliding block 9 is shaped as an angled downward. A placement groove 10 is opened inside the sliding block 9. The placement groove 10 extends to the top of the sliding block 9. A collection drawer 11 is slidably connected inside the sliding block 9 through the placement groove 10. A push handle 12 is fixedly connected to one side surface of the collection drawer 11. Buffer pads 13 are fixedly connected to both the left and right sides of the inner wall of the collection drawer 11.

[0036] Furthermore, a ventilation hole 14 is provided on one side surface of the drying frame 31.

[0037] For an alternative specific embodiment two, please refer to [link / reference]. Figure 1-8 Workers can replace the rotating cam 209 with a rotating disk, and fix the connecting rod 208 to one side of the rotating disk. When the rotating disk rotates, it can drive the connecting rod 208 to rotate, achieving the same effect. In addition, the replacement of the rotating cam 209 is not limited to the rotating disk; any connecting part that can achieve the same effect can be replaced.

[0038] Working principle: After connecting the device to a power source, the operator places the printed billboard inside the placement frame 6. Then, the operator starts the drive motor 204. The output of the drive motor 204 drives the connecting worm gear 203 to rotate. Simultaneously, the connecting worm gear 203 meshes with the connecting worm wheel 35, causing the connecting worm wheel 35 to rotate and drive the connecting threaded rod 34 to rotate, thus moving it downwards. As the connecting threaded rod 34 moves downwards, it drives the connecting seat 33 downwards, causing the drying chamber 32 and the drying frame 31 to slide on the surface of the sliding rod 4. At the same time, the drying frame 31 moves downwards, covering the billboard inside the placement frame 6. During this process, the connecting... When the worm gear 203 rotates, it drives the first pulley 205 to rotate synchronously. The first pulley 205, in turn, drives the second pulley 207 to rotate via a transmission belt. The second pulley 207, in turn, drives the rotating rod 206 to rotate. The rotating rod 206 drives the second bevel gear 219 to rotate. The second bevel gear 219 meshes with the first bevel gear 218, causing the first bevel gear 218 to rotate synchronously. The first bevel gear 218, in turn, drives the connecting rod 208 to rotate. The connecting rod 208, in turn, drives the rotating cam 209 to rotate, which in turn drives the adjusting rod 210 to rotate. The adjusting rod 210 is located within the sliding groove 213 inside the connecting block 212. The sliding mechanism is activated, and simultaneously, the adjusting rod 210 drives the connecting block 212 to rotate on the surface of the mating rod 211. This rotation of the connecting block 212 causes the fixing member 217 to move synchronously. Simultaneously, the fixing member 217, through the connecting member 216, drives the pushing block 214 to move to one side within the mating groove 215. Then, the operator starts the air pump inside the air supply box 8. The output of the air pump delivers gas through the connecting pipe 39 to the connecting bend pipe 36. Simultaneously, the electric heating wire 38 is activated. When the gas exits through the air outlet 37 in the connecting bend pipe 36, it is heated by the electric heating wire 38 and then delivered to the surface of the billboard, thereby drying the ink printed on the billboard surface. After drying, the staff reverses the operation of the drive motor 204. When the drive motor 204 reverses, the drying frame 31 moves upward, thus no longer covering the billboard. At the same time, due to the reverse rotation, the rotating cam 209 also reverses, causing the above steps to be reversed. This causes the push block 214 to push one side of the billboard box, pushing the billboard to the surface of the sliding block 9, and then it falls into the collection drawer 11 inside the placement slot 10. Meanwhile, the buffer pad 13 can provide a certain cushioning effect when the billboard falls. When there are too many billboards piled up inside the collection drawer 11, the staff only needs to pull the push handle 12 to pull out the collection drawer 11 for centralized collection.

[0039] In summary, the ink drying device for digital printing of billboards, when the connecting worm gear 203 rotates, drives the first pulley 205 to rotate synchronously. The first pulley 205, in turn, drives the second pulley 207 to rotate via a transmission belt. The second pulley 207, in turn, drives the rotating rod 206 to rotate. The rotating rod 206 then drives the second bevel gear 219 to rotate. The second bevel gear 219, in turn, meshes with the first bevel gear 218, causing the first bevel gear 218 to rotate synchronously. The first bevel gear 218, in turn, drives the connecting rod 208 to rotate, and the connecting rod 208, in turn, drives the rotating cam. Rotation of 209 causes adjustment rod 210 to rotate, and adjustment rod 210 slides inside sliding groove 213 inside connecting block 212. Simultaneously, adjustment rod 210 causes connecting block 212 to rotate on the surface of mating rod 211, causing connecting block 212 to rotate and simultaneously move fixing member 217. At the same time, fixing member 217, through connecting member 216, causes pushing block 214 to move to one side inside mating groove 215, putting pushing block 214 in a ready state. When material needs to be unloaded, when drive motor 204 reverses, rotating cam 209 also reverses, reversing the above steps, causing pushing block 214 to move. 14. Pushing one side of the billboard box moves the billboard out of the placement frame 6, thus achieving automatic unloading while reducing contact between workers and the dried billboard, reducing the possibility of burns. The output end of the drive motor 204 drives the connecting worm 203 to rotate. As the connecting worm 203 rotates, it meshes with the connecting worm wheel 35, causing the connecting worm wheel 35 to rotate and drive the connecting threaded rod 34 to rotate, thus moving it downward. At the same time, as the connecting threaded rod 34 moves downward, it drives the connecting seat 33 to move downward, and simultaneously drives the drying box 32 and the drying frame 31 to move downward. The drying frame 31 slides down the surface of the sliding rod 4 and covers the billboard inside the placement frame 6. At the same time, the air pump inside the air supply box 8 delivers gas through the connecting pipe 39 to the connecting bend 36. Simultaneously, the electric heating wire 38 is activated. When the gas exits through the air outlet 37 in the connecting bend 36, it is heated after passing through the electric heating wire 38 and then delivered to the surface of the billboard to dry the ink printed on the billboard surface. At the same time, the several air outlets 37 can evenly heat the ink part of the billboard surface, improving the drying effect and heating efficiency.

[0040] 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. An ink drying device for digital printing of billboards, comprising: The workbench (1), the feeding assembly (2), and the drying assembly (3) are characterized in that they further include: The drying component (3) is positioned above the workbench (1). A sliding rod (4) is fixedly connected to the upper surface of the workbench (1). Two sets of sliding rods (4) are symmetrically arranged on the left and right sides. A fixing plate (5) is positioned above the sliding rods (4). The feeding component (2) includes a drive box (201) fixedly installed on the upper surface of the fixing plate (5). A drive motor (204) is fixedly connected to the lower surface of the inner wall of the drive box (201). A connecting box (202) is fixedly connected to one side of the drive box (201). The drive box (201) communicates with the connecting box (202). One side of the connecting box (202) is fixed to one side of the workbench (1). The drive motor (204) is connected to a connecting worm gear (203) at its output end. A first pulley (205) is fixedly connected to the upper surface of the connecting worm gear (203). A rotating rod (206) is rotatably connected between the upper and lower sides of the inner wall of the connecting box (202). A second pulley (207) is fixedly connected to the surface of the rotating rod (206). The second pulley (207) and the first pulley (205) are connected by a transmission belt. A connecting rod (208) is provided on the inner wall of the workbench (1) near the connecting box (202). The connecting rod (208) penetrates and extends into the interior of the connecting box (202). A rotating cam (209) is fixedly connected to one end of a connecting rod (208), and an adjusting rod (210) is fixedly connected to one end of the rotating cam (209). A mating rod (211) is rotatably connected between the left and right sides of the inner wall of the worktable (1). A connecting block (212) is fixedly connected to the surface of the mating rod (211). Two sets of connecting blocks (212) are symmetrically arranged. A sliding groove (213) for the adjusting rod (210) to slide is opened inside the inner wall of the connecting block (212). A placement frame (6) is fixedly connected to the upper surface of the worktable (1). A connecting groove (7) is opened on the upper surface of the worktable (1). The connecting grooves (7) are symmetrically arranged. There are two sets. The workbench (1) is slidably connected to a push block (214) through a connecting groove (7). The push block (214) has a mating groove (215) on both the left and right sides of its inner wall. The push block (214) is slidably connected to a connector (216) through the mating groove (215). A fixing member (217) is rotatably connected to the surface of the connector (216). One end of the fixing member (217) is fixedly connected to one side of the connecting block (212). One end of the connecting rod (208) is fixedly connected to a first bevel gear (218). The surface of the rotating rod (206) is fixedly connected to a second bevel gear (219) that meshes with the first bevel gear (218). The drying assembly (3) includes a drying frame (31) disposed above the workbench (1), a drying box (32) is fixedly connected to the upper surface of the drying frame (31), a connecting seat (33) is fixedly connected to the upper surface of the drying box (32), and the drying frame (31) is slidably connected to the sliding rod (4). The upper surface of the connecting seat (33) is rotatably connected to a connecting threaded rod (34), the connecting threaded rod (34) passes through and extends to the top of the fixing plate (5), the fixing plate (5) and the connecting threaded rod (34) are provided with a threaded groove, and the fixing plate (5) is threadedly connected to the connecting threaded rod (34) through the threaded groove; The upper end of the connecting threaded rod (34) is fixedly connected to a connecting worm wheel (35), which meshes with the connecting worm (203). The upper surface of the drying box (32) is fixedly connected to a gas supply box (8), and a gas supply pump is installed inside the gas supply box (8).

2. The ink drying device for digital printing of billboards according to claim 1, characterized in that: The push block (214) extends above the placement frame (6), the push block (214) passes through both sides of the placement frame (6), and can slide to the outside of the placement frame (6).

3. The ink drying device for digital printing of billboards according to claim 1, characterized in that: The drying frame (31) is connected to the drying box (32). A connecting bend (36) is fixedly connected to the upper surface of the inner wall of the drying box (32). Several air outlets (37) are opened on the lower surface of the connecting bend (36).

4. The ink drying device for digital printing of billboards according to claim 3, characterized in that: The inner wall of the drying frame (31) is fixedly connected with an electric heating wire (38), and several sets of the electric heating wire (38) are provided. The electric heating wire (38) is located below the connecting bend (36). The upper surface of the connecting bend (36) is fixedly connected with a connecting pipe (39), and the connecting pipe (39) is fixedly connected to the output end of the gas pump.

5. The ink drying device for digital printing of billboards according to claim 1, characterized in that: A sliding block (9) is fixedly connected to one side surface of the workbench (1). The upper surface of the sliding block (9) is shaped to be inclined downward. A placement groove (10) is opened inside the sliding block (9). The placement groove (10) extends to the top of the sliding block (9). A collection drawer (11) is slidably connected inside the sliding block (9) through the placement groove (10).

6. The ink drying device for digital printing of billboards according to claim 5, characterized in that: A push handle (12) is fixedly connected to one side surface of the collection drawer (11), and cushioning pads (13) are fixedly connected to both sides of the inner wall of the collection drawer (11).

7. The ink drying device for digital printing of billboards according to claim 1, characterized in that: The drying frame (31) has ventilation holes (14) on one side surface.

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