Drying device for plastic flexible package printing

Abstract

The utility model relates to the technical field of plastic flexible package drying, in particular to a drying device for plastic flexible package printing, which is characterized in that the bottom surface of an air treatment box is fixedly connected with the top of a drying box, a heating screen plate is fixedly connected inside the air treatment box, and the end part of an output pipe of the air treatment box is fixedly connected with the end part of an input pipe of a fan; the end part of an output pipe of the fan is fixedly connected with the end part of an input pipe of a diversion branch pipe; the surface of the diversion branch pipe penetrates through the side surface of the heating pipe; the drying device for plastic flexible package printing has the beneficial effects that when the heating screen plate is opened to heat air in the air treatment box, and when the fan is started, the air in the air treatment box is extracted, so that the heated air in the air treatment box is conveyed into the heating pipe through the flow guide branch pipe, and the air in the air treatment box is heated; and therefore, hot air is discharged into the drying box through the heat discharge holes in the surfaces of the heating pipes, and the plastic flexible packages in the drying box are dried.

Description

Technical Field

[0001] This utility model relates to the field of drying technology for plastic flexible packaging, specifically a drying device for printing plastic flexible packaging. Background Technology

[0002] Packaging printing is the printing of various packaging materials, adding decorative patterns, designs, or text to make products more attractive or informative, thereby conveying information and increasing sales. It includes the printing of packaging cartons, bottles, cans, etc. Packaging printing accounts for a large proportion of both the printing and packaging industries and is an indispensable part of packaging engineering.

[0003] The invention disclosed in CN221497395U describes a drying device for printing plastic flexible packaging. Through the coordinated arrangement of a drying hood, a shell plate, a first motor, a bidirectional screw, a crossbar, a threaded block, a movable block, and an L-shaped connecting rod, the device can seal the drying process of the plastic flexible packaging, forming a semi-sealed drying space, reducing heat loss, and thus improving the drying effect of the plastic flexible packaging.

[0004] However, the aforementioned patent has technical defects. While it solves the problem of drying the stacked plastic flexible packaging and also addresses the issue of odors in the exhaust air, it does not mention how to filter dust from the air entering the drying chamber. If heated air is directly introduced into the drying chamber, it may affect the quality of the plastic flexible packaging.

[0005] Therefore, we need a drying device for printing plastic flexible packaging to solve the existing drying problem of plastic flexible packaging, and also to achieve air filtration and filter screen cleaning. Utility Model Content

[0006] The purpose of this invention is to provide a drying device for printing plastic flexible packaging, which solves the existing drying problem of plastic flexible packaging mentioned in the background art, and also realizes air filtration and filter screen cleaning.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a drying device for printing plastic flexible packaging, wherein a drying chamber is installed on top of a conveying device, including an air handling chamber, the bottom surface of which is fixedly connected to the top of the drying chamber, a heating grid plate is fixedly connected inside the air handling chamber, the end of the output pipe of the air handling chamber is fixedly connected to the end of the input pipe of a fan, the end of the output pipe of the fan is fixedly connected to the end of the input pipe of a guide branch pipe, the surface of the guide branch pipe penetrates the side surface of the heating pipe, the heating pipe is installed inside the drying chamber, and the surface of the heating pipe is provided with heat exhaust holes.

[0008] Preferably, a plurality of heat exhaust holes are provided, and the plurality of heat exhaust holes are evenly distributed on the surface of the heating tubes. The heating tubes are configured in two groups, and the two groups of heating tubes are symmetrically arranged along the center point of the drying chamber.

[0009] Preferably, the air handling unit has a filter mounting slot inside, a filter screen plate is movably inserted into the surface of the filter mounting slot, the surface of the filter screen plate is in close contact with the surface of the filter mounting slot, and an integrally formed tube is provided on the top of the air handling unit, with an air inlet hole inside the tube.

[0010] Preferably, the surface of the air handling unit is fixedly connected to a mounting bracket, the inner surface of the mounting bracket is fixedly connected to a stabilizing rod, the surface of the stabilizing rod is movably connected to the interior of the mounting plate, and the top surface of the mounting plate is provided with a brush plate.

[0011] Preferably, the length of the brush plate is equal to the width of the filter screen plate, and the distance between the filter screen plate and the mounting plate is equal to the height of the brush plate.

[0012] Preferably, the mounting plate has a rectangular cross-section, and the outer surface of the mounting plate is in close contact with the inner surface of the mounting frame.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: by opening the heating mesh plate to heat the air inside the air handling box, and when the fan is started, the air inside the air handling box is drawn out, so that the heated air inside the air handling box is transported to the heating pipe through the guide branch pipe, and then the hot air is discharged into the interior of the drying box through the heat exhaust holes on the surface of the heating pipe, thereby drying the plastic flexible packaging inside the drying box. The air is filtered by the filter mesh plate to prevent dust particles in the air from entering the interior of the drying box and affecting the drying quality of the plastic flexible packaging; this further solves the existing drying problem of plastic flexible packaging, and also realizes air filtration and filter mesh plate cleaning. Attached Figure Description

[0014] Figure 1 This is a three-dimensional schematic diagram of the overall structure and device of this utility model;

[0015] Figure 2 This is a top view schematic diagram of the drying oven structure of this utility model;

[0016] Figure 3 for Figure 2 Schematic diagram of the AA section;

[0017] Figure 4 This is a top view of the air handling unit structure of this utility model;

[0018] Figure 5 for Figure 4 Schematic diagram of the BB cross section;

[0019] Figure 6 A schematic diagram showing the connection between the air handling unit and the filter screen.

[0020] Figure 7 This is a schematic diagram showing the connection between the flow guide branch and the heating pipe;

[0021] Figure 8 This is a diagram showing the connection between the mounting plate and the mounting bracket;

[0022] Figure 9 This is a schematic diagram showing the connection between the mounting bracket and the stabilizing rod.

[0023] In the diagram: 1. Conveying device; 2. Drying box; 3. Guide branch pipe; 4. Fan; 5. Air handling box; 6. Air inlet; 7. Heating pipe; 8. Filter screen; 9. Brush plate; 10. Mounting plate; 11. Mounting bracket; 12. Filter mounting groove; 13. Heating screen; 14. Heat exhaust hole; 15. Stabilizing rod. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] Example 1, please refer to Figures 1-9 This utility model provides a technical solution: a drying device for printing plastic flexible packaging, wherein the drying box 2 is set on the top of the conveying device 1, including an air handling box 5, the bottom surface of the air handling box 5 is fixedly connected to the top of the drying box 2, a heating mesh plate 13 is fixedly connected inside the air handling box 5, the end of the output pipe of the air handling box 5 is fixedly connected to the end of the input pipe of the fan 4, the end of the output pipe of the fan 4 is fixedly connected to the end of the input pipe of the guide branch pipe 3, the surface of the guide branch pipe 3 penetrates the side surface of the heating pipe 7, the heating pipe 7 is set inside the drying box 2, and the surface of the heating pipe 7 is provided with heat exhaust holes 14.

[0026] When the heating grid plate 13 is opened to heat the air inside the air handling box 5, and the fan 4 is started to extract the air inside the air handling box 5, the heated air inside the air handling box 5 is transported to the heating pipe 7 through the guide branch pipe 3, and the hot air is discharged into the interior of the drying box 2 through the heat exhaust hole 14 on the surface of the heating pipe 7, thereby drying the plastic soft packaging inside the drying box 2.

[0027] Example 2, see attached document Figures 1 to 9Based on Example 1, in order to prevent dust particles in the air from entering the interior of the drying oven 2 and affecting the drying quality of the plastic soft packaging, the air handling box 5 is provided with a filter installation groove 12. A filter screen plate 8 is movably inserted into the surface of the filter installation groove 12. The surface of the filter screen plate 8 is in close contact with the surface of the filter installation groove 12. An integrally formed tube is provided on the top of the air handling box 5. An air inlet 6 is provided inside the tube.

[0028] By movably connecting the surface of the filter screen plate 8 to the surface of the filter mounting groove 12, the filter screen plate 8 is securely installed inside the air handling box 5. Therefore, air enters the interior of the air handling box 5 through the air inlet 6 and is filtered by the filter screen plate 8 to prevent dust particles in the air from entering the interior of the drying box 2 and affecting the drying quality of the plastic flexible packaging.

[0029] Example 3, refer to Appendix Figures 1 to 9 Based on Embodiment 2, in order to clean the bottom of the filter screen plate 8 by brush plate 9, the surface of the air handling box 5 is fixedly connected to the mounting bracket 11, the inner surface of the mounting bracket 11 is fixedly connected to the stabilizing rod 15, the surface of the stabilizing rod 15 is movably connected to the inside of the mounting plate 10, and the top surface of the mounting plate 10 is provided with brush plate 9.

[0030] By movably connecting the surface of the stabilizing rod 15 to the interior of the mounting plate 10, the brush plate 9 is securely mounted on the surface of the mounting bracket 11. After the filter plate 8 has finished filtering the air entering the air handling box 5, the filter plate 8 is removed from the interior of the air handling box 5, and the bottom of the filter plate 8 is cleaned by the brush plate 9.

[0031] In actual use, when the heating mesh plate 13 is opened to heat the air inside the air handling box 5, and when the fan 4 is started, the air inside the air handling box 5 is drawn out, so that the heated air inside the air handling box 5 is transported to the heating pipe 7 through the guide branch pipe 3, and then the hot air is discharged into the interior of the drying box 2 through the heat exhaust hole 14 on the surface of the heating pipe 7, thereby drying the plastic soft packaging inside the drying box 2. By movably connecting the surface of the filter mesh plate 8 to the surface of the filter mounting groove 12, the filter mesh plate 8 is securely installed inside the air handling box 5. Therefore, air enters the interior of the air handling box 5 through the air inlet 6 and is filtered by the filter mesh plate 8 to prevent dust particles in the air from entering the interior of the drying box 2 and affecting the drying quality of the plastic soft packaging. Then the filter mesh plate 8 is removed from the interior of the air handling box 5, and the bottom of the filter mesh plate 8 is cleaned by the brush plate 9.

[0032] Although embodiments of the present 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 present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A drying apparatus for printing flexible plastic packaging, comprising an air handling unit (5), a drying chamber (2), and a conveying device (1), wherein the drying chamber (2) is disposed on top of the conveying device (1), characterized in that: The bottom surface of the air handling box (5) is fixedly connected to the top of the drying box (2). A heating grid plate (13) is fixedly connected inside the air handling box (5). The end of the output pipe of the air handling box (5) is fixedly connected to the end of the input pipe of the fan (4). The end of the output pipe of the fan (4) is fixedly connected to the end of the input pipe of the guide branch pipe (3). The surface of the guide branch pipe (3) penetrates the side surface of the heating pipe (7). The heating pipe (7) is set inside the drying box (2). The surface of the heating pipe (7) is provided with heat exhaust holes (14).

2. The drying apparatus for printing on flexible plastic packaging according to claim 1, characterized in that: The heat exhaust holes (14) are provided in several ways, and the heat exhaust holes (14) are evenly distributed on the surface of the heating tube (7). There are two sets of heating tubes (7), and the two sets of heating tubes (7) are symmetrically arranged along the center point of the drying box (2).

3. The drying apparatus for printing on flexible plastic packaging according to claim 1, characterized in that: The air handling unit (5) has a filter mounting groove (12) inside, and a filter screen plate (8) is movably inserted into the surface of the filter mounting groove (12). The surface of the filter screen plate (8) is in close contact with the surface of the filter mounting groove (12). The top of the air handling unit (5) is provided with an integrally formed tube body, and an air inlet hole (6) is provided inside the tube body.

4. The drying apparatus for printing flexible plastic packaging according to claim 1, characterized in that: The surface of the air handling box (5) is fixedly connected to a mounting bracket (11), and the inner surface of the mounting bracket (11) is fixedly connected to a stabilizing rod (15). The surface of the stabilizing rod (15) is movably connected to the interior of the mounting plate (10), and a brush plate (9) is provided on the top surface of the mounting plate (10).

5. A drying apparatus for printing flexible plastic packaging according to claim 4, characterized in that: The length of the brush plate (9) is equal to the width of the filter screen plate (8), and the distance between the filter screen plate (8) and the mounting plate (10) is equal to the height of the brush plate (9).

6. The drying apparatus for printing plastic flexible packaging according to claim 4, characterized in that: The mounting plate (10) has a rectangular cross-section, and the outer surface of the mounting plate (10) is in close contact with the inner surface of the mounting bracket (11).

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