Printing machine drying device for flexible freight bags

By designing a drying device for a printing press for bulk bags and using heating tubes and heating rollers in conjunction with a honeycomb filter element system, the problems of uneven printing and odor of bulk bags were solved, and uniform drying and odor treatment were achieved.

CN223340275UActive Publication Date: 2025-09-16HANDAN HANDAN YONGYANG PLASTIC PRODUCTS CO LTD
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Patent Information

Application Number
CN202422541352.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-09-16
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

After printing, the existing container bags have uneven ink distribution, which leads to uneven printing effect during hot air drying, and the odor of wet paint generated during the drying process cannot be handled.

Method used

A drying device for a printing press for bulk bags was designed, which includes a conveyor frame, a drying component, and an exhaust filter component. The air blown out by the fan is heated by a heating tube and covers the surface of the bulk bag through the air holes. The heated roller is used to dry the entire bag. At the same time, a honeycomb filter element and a circulating water tank system are used to filter and cool the exhaust gas.

Benefits of technology

It achieves uniform drying of the printed part of the container bag, improves the printing effect, effectively removes odor during the drying process, and reduces the impact of exhaust temperature on the environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of printing drying, and provides a printing machine drying device for flexible freight bags, which comprises a conveying frame and a shell, the shell is fixed at the top of the conveying frame, a guide conveying component is arranged on one side of the conveying frame, a fan is mounted at the top of the shell, a drying component is arranged inside the shell, and an exhaust filtering component is arranged at the top of the shell. The through holes are formed in the two side surfaces of the shell, an inner cover is arranged at the top in the shell, a plurality of air holes are formed in the surface of the inner cover, and a plurality of heating pipes are arranged in the inner cover. By means of the technical scheme, the problems that in the related technology, due to the fact that printing ink of the printing part on the flexible freight bag is not evenly distributed, when only hot air is adopted for drying the printing ink of the printing part, the drying degrees of the printing ink of the printing part on the flexible freight bag are different, and then the printing effect of the printing part on the flexible freight bag is affected are solved. And in addition, the odor generated when the coating is not dried cannot be treated during drying.
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Description

Technical Field

[0001] The utility model relates to the technical field of printing and drying, and in particular to a drying device of a printing machine for container bags. Background Art

[0002] Container bag: also known as ton bag or space bag, is a flexible transport packaging container with the advantages of moisture-proof, dust-proof, radiation-resistant, firm and safe, and has sufficient structural strength. Since container bags are easy to load and unload and carry, saving labor, and with high loading and unloading efficiency, they have developed rapidly in recent years and can be widely used in the packaging of various powdered, granular and block items such as chemicals, building materials, plastics, and minerals. They are ideal products for warehousing, transportation and other industries. They are generally made of polypropylene or polyethylene as the main raw material, and are made by extrusion into film, cutting, drawing, and then weaving, cutting and sewing.

[0003] However, when the existing container bags are dried after printing on the printing press, the ink on the printed part of the container bags is unevenly distributed. If only hot air is used to dry the ink on the printed part, it is easy to cause the ink on the printed part of the container bags to dry to different degrees, thereby affecting the printing effect of the printed part of the container bags. In addition, the drying process produces an odor of wet paint that cannot be handled.

[0004] Therefore, improvements are made to address the above problems. Utility Model Content

[0005] The utility model provides a drying device for a container bag printing machine, which solves the problem in the related art that due to the uneven distribution of ink on the printed part of the container bag, when only hot air is used to dry the ink on the printed part, the ink drying degree of the printed part on the container bag is easily different, thereby affecting the printing effect of the printed part on the container bag, and the odor of wet paint is generated during drying and cannot be handled.

[0006] The technical solution of the utility model is as follows:

[0007] A conveyor frame and a shell, wherein the shell is fixed on the top of the conveyor frame;

[0008] A guide conveying assembly, the guide conveying assembly being arranged on one side of the conveying frame;

[0009] A fan and a drying component, wherein the fan is mounted on the top of the housing and the drying component is arranged inside the housing;

[0010] an exhaust filter assembly, the exhaust filter assembly being disposed on top of the housing;

[0011] The drying component includes a pair of through openings, which are opened on both side surfaces of the shell. A partition cover is provided on the top of the shell, a plurality of air holes are opened on the surface of the partition cover, and a plurality of heating tubes are provided in the partition cover.

[0012] As a further technical solution, the exhaust filter assembly includes a rectangular opening, which is opened at the top of the outer shell. An inner cover is provided at the top of the outer shell. The bottom of the inner cover is an open structure, and a honeycomb filter element is installed in the inner cover.

[0013] As a further technical solution, a conductive layer is provided on both sides of the honeycomb filter element, a circulation cavity is opened inside the inner cover and the outer cover, a central cover is provided outside the outer cover, a circulating water tank is provided on the outer surface of the outer cover, and the circulating water tank is connected to the central cover.

[0014] As a further technical solution, the guide conveying assembly includes a fixed plate, which is arranged at the bottom inner of the conveying frame. A pair of telescopic cylinders are arranged on the side surface of the fixed plate. The output end of the telescopic cylinder is connected to an external frame. The two ends of the external frame are located outside the conveying frame. A self-rotating roller is rotatably connected inside the external frame.

[0015] As a further technical solution, the conveying frame is a hollow frame structure, and the right angles at both ends of the conveying frame surface are arc-shaped transition structures.

[0016] As a further technical solution, a pair of heating rollers are rotatably connected inside the conveying frame, and the heating rollers are located outside and inside the conveying frame.

[0017] As a further technical solution, several auxiliary fans are installed at the bottom of the inner cover.

[0018] As a further technical solution, the bottom surface of the inner cover has a certain inclination angle, and the bottom of the inner cover is inclined toward the inside of the outer shell.

[0019] As a further technical solution, the opening height of the through port is slightly higher than the thickness of the container bag.

[0020] The working principle and beneficial effects of the utility model are as follows:

[0021] 1. The utility model is provided with a drying component. Through the interaction of the structures such as the partition cover, the air holes and the heating tube, the interior of the partition cover can be heated by the heating tube, which can increase the temperature of the air blown in by the fan. By covering the surface of the container bag at an inclined angle, cooperating with the internal space of the shell and cooperating with the two heating rollers, the drying process can be fully completed.

[0022] 2. The utility model is provided with an exhaust filter assembly. Through the interaction of the inner cover, honeycomb filter element, conductive layer, circulation chamber and circulating water tank and other structures, the honeycomb filter element can be used to remove odors and filter the exhausted gas. Combined with the continuously circulating cold water, it can achieve a cooling effect so that the exhausted gas will not affect the surrounding temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0024] Figure 1 This is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is the axonometric drawing of the utility model;

[0026] Figure 3 This is an axonometric sectional view of the utility model;

[0027] Figure 4 For this utility model Figure 3 A partial enlarged view of part A;

[0028] In the figure: 1. Conveyor rack; 2. Outer shell; 3. Fan; 4. Drying assembly; 4-1. Through port; 4-2. Partition cover; 4-3. Air hole; 4-4. Heating tube; 5. Exhaust filter assembly; 5-1. Rectangular opening; 5-2. Inner cover; 5-3. Honeycomb filter element; 5-4. Conductive layer; 5-5. Circulation chamber; 5-6. Concentrating cover; 5-7. Circulating water tank; 6. Guide conveyor assembly; 6-1. Fixed plate; 6-2. Telescopic cylinder; 6-3. Outer frame; 6-4. Rotating roller; 7. Heating roller; 8. Auxiliary fan. DETAILED DESCRIPTION

[0029] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] like Figures 1 to 4 As shown, this embodiment proposes a container bag printing machine drying device, including

[0031] The conveyor frame 1 and the shell 2 are fixed on the top of the conveyor frame 1;

[0032] The guide conveying assembly 6 is arranged on one side of the conveying frame 1;

[0033] The fan 3 and the drying component 4 are installed on the top of the shell 2, and the drying component 4 is arranged inside the shell 2;

[0034] The exhaust filter assembly 5 is arranged on the top of the housing 2;

[0035] The drying component 4 includes a pair of openings 4-1, which are opened on both sides of the shell 2. A partition 4-2 is set on the top of the shell 2. Several air holes 4-3 are opened on the surface of the partition 4-2. Several heating tubes 4-4 are set in the partition 4-2.

[0036] In this embodiment, in order to achieve the effect of drying the container bag after printing, a drying component 4 is designed. A through opening 4-1 is opened on both sides of the outer shell 2 for passing the container bag. A partition cover 4-2 is set at the top of the outer shell 2 and a plurality of transverse air holes 4-3 are opened. A plurality of heating tubes 4-4 are set inside to heat the gas blown in by the fan 3 and then blow it out to the surface of the container bag through the air holes 4-3.

[0037] Furthermore, the exhaust filter assembly 5 includes a rectangular opening 5-1, which is opened at the top of the outer shell 2. An inner cover 5-2 is provided at the top of the inner shell 2. The bottom of the inner cover 5-2 is an open structure. A honeycomb filter element 5-3 is installed in the inner cover 5-2. Conductive layers 5-4 are provided on both sides of the honeycomb filter element 5-3. A circulation cavity 5-5 is provided between the inner cover 5-2 and the inner part of the outer shell 2. A centralized cover 5-6 is provided outside the outer shell 2. A circulating water tank 5-7 is provided on the outer surface of the outer shell 2, and the circulating water tank 5-7 is connected to the centralized cover 5-6.

[0038] In this embodiment, in order to achieve the effect of exhausting, filtering and cooling the drying gas, an exhaust filter assembly 5 is designed, a rectangular opening 5-1 is opened on the top of the outer shell 2, and an inner cover 5-2 is arranged inside, the inner cover 5-2 is located directly below the rectangular opening 5-1, and the bottom is an open structure, and the gas can be exhausted outward through the inner cover 5-2 and the rectangular opening 5-1, a honeycomb filter element 5-3 is installed in the inner cover 5-2 for exhaust filtration, and a conductive layer 5-4 that can transfer temperature is provided on both sides, a circulation cavity 5-5 is opened in the inner cover 5-2, two centralized covers 5-6 are installed on the outside of the outer shell 2 for communicating with the circulation cavity 5-5, a circulation water tank 5-7 is provided on the surface of the outer shell 2 and is connected to the centralized cover 5-6, and the cooling water circulated in the circulation cavity 5-5 can be continuously cooled through the conductive layer 5-4 and the honeycomb filter element 5-3 to reduce the temperature of the exhausted gas.

[0039] Furthermore, the guide conveying assembly 6 includes a fixed plate 6-1, which is arranged at the bottom of the conveying frame 1. A pair of telescopic cylinders 6-2 are arranged on the side surface of the fixed plate 6-1. The output end of the telescopic cylinder 6-2 is connected to the outer frame 6-3. The two ends of the outer frame 6-3 are located outside the conveying frame 1. A self-rotating roller 6-4 is rotatably connected inside the outer frame 6-3.

[0040] In this embodiment, in order to achieve the effect of conveying the container bag downward, a guide conveying assembly 6 is designed. A fixed plate 6-1 is fixed at the bottom of the conveying frame 1. Two telescopic cylinders 6-2 are provided on the side surface of the fixed plate 6-1. The output end of the telescopic cylinder 6-2 is connected to an outer frame 6-3. The outer frame 6-3 extends to the two ends of the outside of the conveying frame 1. A self-rotating roller 6-4 is provided between the outer frames 6-3, which can cooperate with the conveying rotation of the container bag and guide it downward, and can cooperate with the winding equipment.

[0041] Furthermore, the conveying frame 1 is a hollow frame structure, and the right angles at both ends of the surface of the conveying frame 1 are arc-shaped transition structures.

[0042] In this embodiment, the interior of the conveying frame 1 is made hollow by the frame structure, which is convenient for coordinating the conveying angle and the use of the telescopic cylinder 6-2.

[0043] Furthermore, a pair of heating rollers 7 are rotatably connected to the conveying frame 1 , and the heating rollers 7 are located outside and inside the conveying frame 1 .

[0044] In this embodiment, two heating rollers 7 are provided to press the two sides of the dried container bag for further drying.

[0045] Furthermore, a number of auxiliary fans 8 are installed at the bottom of the inner cover 5-2.

[0046] In this embodiment, a plurality of auxiliary fans 8 are installed to blow air outwards from the bottom of the inner cover 5-2, so that the gas can be concentrated at the honeycomb filter element 5-3 and discharged outwards.

[0047] Furthermore, the bottom surface of the inner cover 5 - 2 has a certain inclination angle, and the bottom of the inner cover 5 - 2 is inclined toward the inside of the outer shell 2 .

[0048] In this embodiment, the air holes 4 - 3 at the bottom of the inner cover 5 - 2 are tilted so as to blow air toward the interior of the outer shell 2 , thereby preventing the drying gas from being blown out directly and causing a waste of resources.

[0049] Furthermore, the opening height of the through port 4 - 1 is slightly higher than the thickness of the container bag.

[0050] In this embodiment, the amount of gas discharged can be reduced by lowering the opening height.

[0051] When drying is required, the container bag is sent to the passage 4-1, pulled out at the other end, passed between the conveying frame 1 and the rotating roller 6-4 and conveyed downward, the fan 3 and the heating tube 4-4 are started, and the external air is blown into the inner cover 5-2, and after being heated by the heating tube 4-4, it is blown downward from the air hole 4-3 to cover and dry the container bag, and the auxiliary fan 8 is started to discharge the hot air to the outside through the honeycomb filter element 5-3. During the exhaust process, the circulating water pump is started to keep the cold water circulating in the circulation chamber 5-5, and the honeycomb filter element 5-3 is cooled. The container bag is finally dried by the heating roller 7 and then rolled up.

[0052] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A printing machine drying device for container bags, characterized in that: include A conveying frame (1) and a shell (2), wherein the shell (2) is fixed on the top of the conveying frame (1); A guide conveying assembly (6), wherein the guide conveying assembly (6) is arranged on one side of the conveying frame (1); A fan (3) and a drying component (4), wherein the fan (3) is mounted on the top of the housing (2), and the drying component (4) is arranged inside the housing (2); an exhaust filter assembly (5), the exhaust filter assembly (5) being arranged on the top of the housing (2); The drying component (4) comprises a pair of openings (4-1), the openings (4-1) being opened on both side surfaces of the shell (2), a partition cover (4-2) being provided on the top of the shell (2), a plurality of air holes (4-3) being opened on the surface of the partition cover (4-2), and a plurality of heating tubes (4-4) being provided in the partition cover (4-2).

2. A container bag printing machine drying device according to claim 1, characterized in that: The exhaust filter assembly (5) comprises a rectangular opening (5-1), the rectangular opening (5-1) being opened at the top of the outer shell (2), an inner cover (5-2) being provided at the top of the inner shell (2), the bottom of the inner cover (5-2) being an open structure, and a honeycomb filter element (5-3) being installed in the inner cover (5-2).

3. The drying device for a container bag printing press according to claim 2, characterized in that: Conductive layers (5-4) are provided on both sides of the honeycomb filter element (5-3); a circulation cavity (5-5) is provided inside the inner cover (5-2) and the outer cover (2); a centralizing cover (5-6) is provided outside the outer cover (2); a circulating water tank (5-7) is provided on the outer surface of the outer cover (2); and the circulating water tank (5-7) is connected to the centralizing cover (5-6).

4. The drying device for a container bag printing press according to claim 1, characterized in that: The guide conveying assembly (6) comprises a fixed plate (6-1), the fixed plate (6-1) being arranged at the inner bottom of the conveying frame (1), a pair of telescopic cylinders (6-2) being arranged on the side surface of the fixed plate (6-1), the output ends of the telescopic cylinders (6-2) being connected to an outer frame (6-3), both ends of the outer frame (6-3) being located outside the conveying frame (1), and a self-rotating roller (6-4) being rotatably connected inside the outer frame (6-3).

5. The drying device for a container bag printing press according to claim 1, characterized in that: The conveying frame (1) is a hollow frame structure, and both right angles at the two ends of the surface of the conveying frame (1) are arc-shaped transition structures.

6. The drying device for a container bag printing press according to claim 1, characterized in that: A pair of heating rollers (7) are rotatably connected inside the conveying frame (1), and the heating rollers (7) are located outside and inside the conveying frame (1).

7. The drying device for a container bag printing press according to claim 2, characterized in that: A plurality of auxiliary fans (8) are installed at the bottom of the inner cover (5-2).

8. The drying device for a container bag printing press according to claim 2, characterized in that: The bottom surface of the inner cover (5-2) has a certain inclination angle, and the bottom of the inner cover (5-2) is inclined toward the inside of the outer shell (2).

9. The drying device for a container bag printing press according to claim 1, characterized in that: The opening height of the through port (4-1) is slightly higher than the thickness of the container bag.