Multi-stage synchronous drying device for high-speed printing

Abstract

The utility model discloses a multistage synchronous drying device for high-speed printing, which comprises a drying box, three partition plates are arranged in the drying box, and a cavity in the drying box is divided into a preheating area, a hot air drying area, an infrared drying area and a cold air shaping area by the three partition plates. The preheating area, the hot air drying area, the infrared drying area and the cold air shaping area are sequentially arranged from left to right, and inlets and outlets are formed in the left and right ends of the drying box and the lower portion of the partition plate. The distance between the air suction blocks on the two sides is adjusted according to the width of a printed matter, harmful gas is purified through the two first filter screens, and the purified harmful gas is exhausted through the air holes; and meanwhile, harmful gas at an inlet and an outlet in the two sides of the drying box is sucked away through an air suction rod and an air suction block, the harmful gas is conveyed into a fixing frame, the harmful gas is purified through a second filter screen and then discharged, and the situation that the harmful gas leaks outwards, and the body health of workers is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of printing, concretely relates to a multistage synchronous drying device for high -speed printing. BACKGROUND

[0002] Printing is the technology that the original copy such as text, picture, photo, anti -fake etc. is copied in batch by making the ink transfer to the surface of paper, textile, plastic product, leather, PVC, PC etc. material through the process such as making plate, applying ink, adding pressure.

[0003] Printing drying refers to the technical link that in the printing process, through the manual intervention means such as heat energy, radiation or chemical action, the solvent volatilization or solidification reaction in the surface ink, coating or adhesive of printed matter is accelerated, and it is quickly changed from liquid state to solid state. Most drying devices in the prior art only dry through a single method, when dealing with high-speed printing drying, the printed matter cannot be completely dried, which affects the quality of printed matter, and harmful gas is generated during printing and drying, which affects the working environment and the health of workers. Therefore, the technical personnel in the art provides a multistage synchronous drying device for high-speed printing to solve the problems raised in the above background technology. SUMMARY

[0004] To solve the above technical problems, the utility model provides a multistage synchronous drying device for high-speed printing, which comprises a drying box, three partition plates are installed inside the drying box, the three partition plates divide the cavity inside the drying box into a preheating zone, a hot air drying zone, an infrared drying zone and a cold air setting zone, and the preheating zone, the hot air drying zone, the infrared drying zone and the cold air setting zone are arranged in order from left to right, and the drying box is provided with an inlet and an outlet at the left and right ends and the lower part of the partition plate.

[0005] Four fixed plates are arranged on the inner wall of the drying box, and the four fixed plates are fixedly connected with the partition plates and the inner wall of the drying box, a plurality of through holes are formed in the fixed plates, two filter screens are arranged on the upper side of the fixed plates, the filter screens pass through the drying box, the two filter screens are activated carbon filter screens and HEPA filter screens, a plurality of air holes are formed in the upper end of the drying box, and the air holes are located above the filter screens.

[0006] Four air suction rods are symmetrically installed on the left and right walls of the drying box, and the air suction rods are located above and below the inlet and outlet, air suction blocks are symmetrically and slidably connected between the air suction rods on the upper and lower sides, a baffle plate is installed on the outer end of the air suction block, the baffle plate is fixedly connected with a vertical plate by penetrating the drying box, and the height of the baffle plate is greater than the height of the inlet and outlet.

[0007] Preferably, low-temperature hot air outlets are symmetrically arranged inside the preheating area, high-temperature hot air outlets are symmetrically arranged inside the hot air drying area, a plurality of infrared lamps are arranged inside the infrared drying area, cold air outlets are symmetrically arranged inside the cold air setting area, and the low-temperature hot air outlets, the high-temperature hot air outlets, the infrared lamps and the cold air outlets are fixed at the lower ends of the four fixed plates, respectively.

[0008] Preferably, the threaded rod is rotatably connected to the upper end of the drying box.

[0009] Preferably, the threaded rod is rotatably connected to the upper end of the drying box.

[0010] Preferably, the suction rod and the suction block are both provided with suction pipes at the outer ends thereof, the suction pipes are connected to an elastic pipe, and the elastic pipe is provided with a purification mechanism.

[0011] Preferably, the purification mechanism comprises a fixed frame and a second filter screen, the fixed frame is internally provided with a fan and two second filter screens, and the two second filter screens are an activated carbon filter screen and a HEPA filter screen, respectively.

[0012] The technical effects and advantages of the present application are as follows:

[0013] 1. The low-temperature hot air outlet blows low-temperature air to soften the surface layer of the ink, activates the solvent volatilization, avoids material curling caused by high-temperature impact, then the high-temperature hot air outlet blows high-temperature air to rapidly evaporate the solvent, then the infrared lamps irradiate to rapidly evaporate the solvent, and then the cold air outlet blows cold air to fix the ink adhesion, thereby preventing high-temperature residues from affecting subsequent processes, and realizing multi-stage rapid drying of the printed matter and ensuring the quality of the printed matter.

[0014] 2. The distance between the two suction blocks is adjusted according to the width of the printed matter, the two first filter screens purify the harmful gas, the purified harmful gas is discharged through the air holes, the suction rod and the suction block suck the harmful gas at the inlet and outlet positions of the drying box, the harmful gas is transmitted to the fixed frame, the second filter screen purifies the harmful gas again before discharging, and the harmful gas is prevented from being discharged to affect the health of the workers. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a structural schematic view of the present application;

[0016] Fig. 2 is a structural schematic view of the drying box of the present application;

[0017] Fig. 3 is a structural schematic view of the suction rod and the suction block of the present application;

[0018] Fig. 4 is the structural schematic view of the purifying mechanism of the present application;

[0019] in the figure:

[0020] 1, drying box; 2, partition plate; 3, inlet and outlet; 4, fixed plate; 5, through hole; 6, filter screen one; 7, air vent hole; 8, low-temperature hot air outlet; 9, high-temperature hot air outlet;

[0021] 10, infrared lamp; 11, cold air outlet; 12, air suction rod; 13, air suction block; 14, baffle; 15, vertical plate; 16, threaded rod; 17, limiting block; 18, bevel gear one; 19, rotating rod;

[0022] 20, bevel gear two; 21, air suction pipe; 22, telescopic pipe; 23, purifying mechanism; 24, fixed frame; 25, fan; 26, filter screen two. DETAILED DESCRIPTION

[0023] The present application will be further described in conjunction with the drawings and specific embodiments. The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

[0024] Please refer to Figs. 1-4In the embodiment, a multi-stage synchronous drying device for high-speed printing is provided, which comprises a drying box 1, three partition plates 2 are installed inside the drying box 1, the three partition plates 2 divide the cavity inside the drying box 1 into a preheating zone, a hot air drying zone, an infrared drying zone and a cold air setting zone, and the preheating zone, the hot air drying zone, the infrared drying zone and the cold air setting zone are sequentially arranged from left to right, import and export 3 are formed in the left and right ends of the drying box 1 and the lower part of the partition plates 2, four fixed plates 4 are formed on the inner wall of the drying box 1, and the four fixed plates 4 are respectively fixedly connected with the partition plates 2 and the inner wall of the drying box 1, a plurality of through holes 5 are formed in the fixed plates 4, two filter screens one 6 are arranged on the upper side of the fixed plates 4 and pass through the drying box 1, the two filter screens one 6 are respectively activated carbon filter screens and HEPA filter screens, a plurality of air holes 7 are formed in the upper end of the drying box 1 and are located on the upper side of the filter screens one 6, low-temperature hot air outlets 8 are symmetrically arranged in the preheating zone, high-temperature hot air outlets 9 are symmetrically arranged in the hot air drying zone, a plurality of infrared lamps 10 are arranged in the infrared drying zone, cold air outlets 11 are symmetrically arranged in the cold air setting zone, the low-temperature hot air outlets 8, the high-temperature hot air outlets 9, the infrared lamps 10 and the cold air outlets 11 are respectively fixed at the lower ends of the four fixed plates 4, four air suction rods 12 are symmetrically installed on the left and right inner walls of the drying box 1 and are located on the upper and lower ends of the import and export 3, air suction blocks 13 are symmetrically and slidably connected between the air suction rods 12 on the upper and lower sides, a baffle plate 14 is installed on the outer end of the air suction block 13 and is fixedly connected with a vertical plate 15 by penetrating the drying box 1, the height of the baffle plate 14 is greater than the height of the import and export 3, a threaded rod 16 is threadedly connected with the upper end of the vertical plate 15 and is rotatably connected with the upper end of the drying box 1, a limiting block 17 is installed on one end of the threaded rod 16, a bevel gear one 18 is installed on the other end of the threaded rod 16, a rotating rod 19 is rotatably connected with the upper end of the drying box 1, bevel gears two 20 are symmetrically installed on the outer surface of the rotating rod 19 and are engaged with the bevel gear one 18, air suction pipes 21 are installed on the side surfaces of the air suction rods 12 and the outer end of the air suction block 13, a plurality of air suction pipes 21 are connected with an elastic pipe 22, a purification mechanism 23 is installed on the side surface of the elastic pipe 22, the purification mechanism 23 comprises a fixed frame 24 and filter screens two 26, a fan 25 is installed in the fixed frame 24, two filter screens two 26 are installed in the fixed frame 24, and the two filter screens two 26 are respectively activated carbon filter screens and HEPA filter screens.

[0025] The working principle of the utility model is: the printed matter passes through the import and export 3 of the drying box 1 and the partition plates 2 in sequence, so that the printed matter sequentially passes through the preheating zone, the hot air drying zone, the infrared drying zone and the cold air setting zone, low-temperature air is blown out from the low-temperature hot air outlets 8 to soften the ink surface layer, activate the solvent volatilization and avoid material curling caused by high-temperature impact, then high-temperature air is blown out from the high-temperature hot air outlets 9 to rapidly evaporate the solvent, then the infrared lamps 10 are irradiated to rapidly evaporate the solvent, then cold air is blown out from the cold air outlets 11 to fix the ink adhesion and prevent high-temperature residues from affecting the subsequent process, so that multi-stage rapid drying of the printed matter is realized.

[0026] First, according to the width of the printed matter to adjust the distance between the two sides of the suction block 13, by rotating the rod 19 driven bevel gear two 20 rotation, bevel gear two 20 and bevel gear one 18 mesh driven screw rod 16 rotation, both sides of the threaded rod 16 driven two side plate 15 to the opposite direction, the plate 15 through the baffle 14 driven suction block 13 to move, so that the suction block 13 distance printed matter, at the same time, through the baffle 14 block drying oven 1 both sides of the inlet and outlet 3 excess position, reduce the harmful gas leakage;

[0027] When the solvent volatilization produces harmful gas, harmful gas through the hole 5 upward, then, through two filter screen one 6 on the harmful gas purification, purification of harmful gas through the air hole 7 discharge; at the same time, the fan 25 work produces suction, through the telescopic tube 22 and suction pipe 21 make suction rod 12 and suction block 13 suction, through the suction rod 12 and suction block 13 will drying oven 1 both sides of the inlet and outlet 3 position of harmful gas suction, will harmful gas transmission to the fixed frame 24, through the filter screen two 26 on the harmful gas purification and discharge, avoid harmful gas leakage affect the health of workers.

[0028] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the scope of protection of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as no special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A multi-stage synchronous drying device for high-speed printing, comprising a drying chamber (1), characterized in that, The drying box (1) is equipped with three partition plates (2). The three partition plates (2) divide the cavity inside the drying box (1) into a preheating zone, a hot air drying zone, an infrared drying zone and a cold air shaping zone. The preheating zone, the hot air drying zone, the infrared drying zone and the cold air shaping zone are arranged from left to right. The drying box (1) has inlet and outlet (3) at both ends and at the bottom of the partition plates (2). The drying oven (1) has four fixed plates (4) on its inner wall, and the four fixed plates (4) are respectively fixedly connected to the partition plate (2) and the inner wall of the drying oven (1). Several through holes (5) are opened inside the fixed plates (4). Two filter screens (6) are set on the upper side of the fixed plates (4), and the side of the filter screens (6) passes through the drying oven (1). The two filter screens (6) are activated carbon filter and HEPA filter, respectively. Several air vents (7) are opened at the upper end of the drying oven (1), and the air vents (7) are located on the upper side of the filter screens (6). Four suction rods (12) are symmetrically installed on the inner wall of the drying box (1). The suction rods (12) are located at the upper and lower ends of the inlet and outlet (3). The suction blocks (13) are symmetrically slidably connected between the upper and lower suction rods (12). A baffle plate (14) is installed on the outer end of the suction block (13). The baffle plate (14) passes through the drying box (1) and is fixedly connected to the upright plate (15). The height of the baffle plate (14) is greater than the height of the inlet and outlet (3).

2. The multi-stage synchronous drying device for high-speed printing according to claim 1, characterized in that, The preheating zone has symmetrically arranged low-temperature hot air outlets (8), the hot air drying zone has symmetrically arranged high-temperature hot air outlets (9), the infrared drying zone has several infrared lamps (10), and the cold air shaping zone has symmetrically arranged cold air outlets (11). The low-temperature hot air outlets (8), high-temperature hot air outlets (9), infrared lamps (10) and cold air outlets (11) are respectively fixed at the lower ends of four fixed plates (4).

3. The multi-stage synchronous drying device for high-speed printing according to claim 1, characterized in that, The upper part of the upright plate (15) is threadedly connected to the threaded rod (16), and the threaded rod (16) is rotatably connected to the upper end of the drying box (1). A limiting block (17) is installed at one end of the threaded rod (16), and a bevel gear (18) is installed at the other end of the threaded rod (16).

4. The multi-stage synchronous drying device for high-speed printing according to claim 1, characterized in that, The upper end of the drying box (1) is rotatably connected to a rotating rod (19), and bevel gears (20) are symmetrically installed on the outer surface of the rotating rod (19), and bevel gears (20) and bevel gears (18) mesh.

5. The multi-stage synchronous drying device for high-speed printing according to claim 1, characterized in that, The suction rod (12) and the outer end of the suction block (13) are both equipped with exhaust pipes (21), and several exhaust pipes (21) are connected to a telescopic pipe (22). A purification mechanism (23) is installed on the side of the telescopic pipe (22).

6. The multi-stage synchronous drying device for high-speed printing according to claim 5, characterized in that, The purification mechanism (23) includes a fixed frame (24) and two filters (26). A fan (25) is installed inside the fixed frame (24), and two filters (26) are installed inside the fixed frame (24). The two filters (26) are an activated carbon filter and a HEPA filter, respectively.

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