Printing and bag-making integrated device for degradable plastic packaging bag production
By designing an integrated printing and bag-making device and adopting hot air rapid drying technology, the problem of low drying efficiency in the production of plastic packaging bags is solved, work efficiency is improved, and pattern adhesion is prevented, thus achieving an efficient production process.
Patent Information
- Application Number
- CN202422482494.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-10-14
AI Technical Summary
In the prior art plastic packaging bag production process, the bag-making end of the hot pressing and slitting combination has a high working efficiency, but the drying efficiency after printing is low, which causes the pattern to easily stick to the upper bag layer, affecting production efficiency.
A printing and bag-making integrated device for the production of biodegradable plastic packaging bags was designed. The device includes a main frame, an unwinding roller, a printing device, a drying roller group, a drying box, a tensioning roller, a slitting and positioning roller, and a winding roller. The device adopts hot air rapid drying technology and uses multiple drying roller groups to ensure that the material passes quickly and provides sufficient drying time.
It improves the drying efficiency after printing, prevents pattern adhesion, and improves production efficiency.
Smart Images

Figure CN223384057U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic bag production equipment, in particular to a printing and bag-making integrated device for producing degradable plastic packaging bags. Background Art
[0002] Currently, Chinese Patent No. CN201910348540.1 discloses a coding device and installation method for a packaging bag printing and die-cutting machine, which relates to the technical field of packaging bag production equipment. Its technical highlights include a tensioning mechanism provided on the discharge end of the die-cutting device for tensioning plastic film or paper, a coding station provided on the end of the tensioning mechanism away from the die-cutting device, a coding machine provided on the coding station with the inkjet terminal vertically downwardly arranged for coding the plastic film or blank paper covering the surface of the coding station, a first drive assembly provided on the coding station for driving the coding machine to move back and forth along the width direction of the plastic film or paper, and a controller installed on the side of the coding station and connected to the first drive assembly and the coding machine;
[0003] CN202410590897.1 discloses a production process for high-strength packaging bags, including the following steps: S1: film supply, selecting the raw materials for the packaging bags and using a film blowing machine to form plastic particles into packaging bags; S2: printing, transporting the packaging bags to a double-sided printing and drying device for printing and drying; S3: laminating, bonding two or more layers of materials together using a medium (such as glue) to achieve better performance of the packaging bags; S4: die-cutting, processing the packaging bags into corresponding shapes using a special-shaped die-cutting device;
[0004] S5: trimming, removing excess film from the packaging bag; S6: inspection, inspecting the packaging bag after processing, and packaging the qualified packaging bags to obtain packaged packaging bags. The present invention facilitates double-sided printing through printing and drying components, without turning the packaging bag over, and can dry the printing ink while printing, thereby improving production efficiency.
[0005] However, in actual use, the existing technology still has the problem that the bag-making end of the hot pressing and slitting combination has a high working efficiency, but the drying efficiency after printing is relatively low, and a long time is required for drying, otherwise the pattern will stick to the bag body of the upper layer after rolling. Utility Model Content
[0006] Therefore, in response to the above-mentioned problems, the utility model proposes a printing and bag-making integrated device for the production of degradable plastic packaging bags, which solves the technical problems in the existing technology during actual use, such as the high working efficiency of the bag-making end of the hot pressing and slitting combination, and the relatively low drying efficiency after printing, which requires a long time for drying, otherwise the pattern will stick to the bag body of the upper layer after rolling.
[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a printing and bag-making integrated device for the production of degradable plastic packaging bags, whose structure includes a main frame, a reeling roller, a printing device, a printing positioning roller, a drying roller group, a drying box, a tensioning roller, a slitting positioning roller, a slitting knife, a slitting support platform, and a winding roller. A reeling roller and a winding roller are respectively arranged on the left and right sides of the interior of the main frame. A printing device is arranged between the reeling roller and the printing positioning roller, and printing positioning rollers are arranged on the left and right sides of the printing device. A drying box is arranged below the printing positioning roller. A longitudinal drying roller group is arranged inside the drying box. A tensioning roller is arranged on the left side of the drying box. A slitting knife is arranged below the drying box. A slitting support platform is arranged below the slitting knife. Slitting positioning rollers are arranged on the left and right sides of the slitting support platform.
[0008] Furthermore, two upper and lower printing positioning rollers are provided on the left side, and 1-2 upper and lower printing positioning rollers are provided on the right side.
[0009] Furthermore, the top and bottom of the drying box are respectively provided with strip-shaped openings for allowing packaging bags to enter and exit.
[0010] Furthermore, the tensioning roller is connected to a spring seat with an upward pulling force.
[0011] Furthermore, the slitting and positioning roller is provided with two upper and lower structures that fit together.
[0012] Furthermore, the printing positioning roller and the slitting positioning roller are both structures driven by motors, and the printing positioning roller and the slitting positioning roller are both connected to the main frame through bearings.
[0013] Furthermore, the drying box also includes a drying box body, an air intake filter, an air intake fan, and a heating wire. An air intake duct is arranged on the front side of the drying box body, an air intake filter is arranged at the front end of the air intake duct, an air intake fan is arranged in the air intake duct, the air intake fan is connected to a drive motor, and a heating wire is arranged behind the air intake fan.
[0014] By adopting the above-mentioned technical scheme, the beneficial effect of the utility model is: the printing and bag-making integrated device for the production of degradable plastic packaging bags improves the existing technology. In actual use, the bag-making end of the hot pressing and slitting combination still has high working efficiency, but the drying efficiency after printing is relatively low, and a long time is required for drying. Otherwise, the pattern will stick to the bag body of the upper layer after winding. By setting up a drying box, hot air can be used to quickly dry the pattern on the packaging bag. Multiple drying roller groups are set to ensure that the material passes quickly while also ensuring sufficient drying time, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural diagram of the utility model;
[0016] Figure 2 It is a side structural diagram of the utility model.
[0017] In the figure: 1. Main frame; 2. Unwinding roller; 3. Printing device; 4. Printing positioning roller; 5. Drying roller group; 6. Drying box; 7. Tensioning roller; 8. Slitting positioning roller; 9. Slitting knife; 10. Slitting support table; 11. Rewinding roller; 21. Drying box body; 22. Air intake filter; 23. Air intake fan; 24. Heating wire. DETAILED DESCRIPTION
[0018] The present invention will now be further described with reference to the accompanying drawings and specific implementation methods.
[0019] refer to Figure 1-Figure 2 , this embodiment provides a printing and bag-making integrated device for the production of degradable plastic packaging bags, whose structure includes a main frame 1, an unwinding roller 2, a printing device 3, a printing positioning roller 4, a drying roller group 5, a drying box 6, a tensioning roller 7, a slitting and positioning roller 8, a slitting knife 9, a slitting support platform 10, and a winding roller 11. The unwinding roller 2 and the winding roller 11 are respectively arranged on the left and right sides of the interior of the main frame 1, and the printing device 3 is arranged between the unwinding roller 2 and the winding roller 11. The printing positioning roller 4 is arranged on the left and right sides of the printing device 3. The drying box 6 is arranged below the printing positioning roller 4. The longitudinal drying roller group 5 is arranged inside the drying box 6. The tensioning roller 7 is arranged on the left side of the drying box 6. The slitting knife 9 is arranged below the drying box 6. The slitting support platform 10 is arranged below the slitting knife 9. The slitting and positioning rollers 8 are arranged on the left and right sides of the slitting support platform 10.
[0020] The printing positioning rollers 4 on the left side are provided with two upper and lower ones, and the printing positioning rollers 4 on the right side are provided with 1-2 ones.
[0021] The top and bottom of the drying box 6 are respectively provided with strip-shaped openings for allowing packaging bags to enter and exit.
[0022] The tensioning roller 7 is connected to a spring seat with an upward pulling force.
[0023] The slitting and positioning roller 8 is provided with two upper and lower structures that fit together.
[0024] The printing positioning roller 4 and the slitting positioning roller 8 are both structures driven by motors to move, and the printing positioning roller 4 and the slitting positioning roller 8 are both connected to the main frame 1 through bearings.
[0025] The drying box 6 also includes a drying box body 21, an air intake filter 22, an air intake fan 23, and a heating wire 24. An air intake duct is provided on the front side of the drying box body 21, an air intake filter 22 is provided at the front end of the air intake duct, an air intake fan 23 is provided in the air intake duct, the air intake fan 23 is connected to a drive motor, and a heating wire 24 is provided behind the air intake fan 23.
[0026] This integrated printing and bag-making device for the production of degradable plastic packaging bags improves the existing technology. In actual use, the bag-making end of the hot pressing and slitting combination has a high working efficiency, but the drying efficiency after printing is relatively low, and a long time is required for drying, otherwise the pattern will stick to the bag body of the upper layer after rolling. By setting up a drying box, hot air can be used to quickly dry the pattern on the packaging bag. Multiple drying roller groups 5 are set to ensure that the material passes quickly while also ensuring sufficient drying time, thereby improving work efficiency.
[0027] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from all perspectives, the embodiments should be regarded as illustrative and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and range of equivalents of the claims be included in the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.
[0028] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A printing and bag-making integrated device for producing biodegradable plastic packaging bags, characterized by: Its structure includes a main frame, an unwinding roller, a printing device, a printing positioning roller, a drying roller group, a drying box, a tensioning roller, a slitting positioning roller, a slitting knife, a slitting support platform, and a winding roller. An unwinding roller and a winding roller are respectively arranged on the left and right sides of the interior of the main frame. A printing device is arranged between the unwinding roller and the winding roller. Printing positioning rollers are arranged on the left and right sides of the printing device. A drying box is arranged below the printing positioning roller. A longitudinal drying roller group is arranged inside the drying box. A tensioning roller is arranged on the left side of the drying box. A slitting knife is arranged below the drying box. A slitting support platform is arranged below the slitting knife. Slitting positioning rollers are arranged on the left and right sides of the slitting support platform.
2. The printing and bag-making integrated device for producing biodegradable plastic packaging bags according to claim 1, characterized in that: The printing positioning rollers on the left side are provided with two upper and lower ones, and the printing positioning rollers on the right side are provided with 1-2 ones.
3. The printing and bag-making integrated device for producing biodegradable plastic packaging bags according to claim 1, characterized in that: The top and bottom of the drying box are respectively provided with strip-shaped openings for allowing packaging bags to enter and exit.
4. The printing and bag-making integrated device for producing biodegradable plastic packaging bags according to claim 1, characterized in that: The tensioning roller is connected to a spring seat with an upward pulling force.
5. The printing and bag-making integrated device for producing biodegradable plastic packaging bags according to claim 1, characterized in that: The slitting and positioning rollers are provided with two upper and lower structures that fit together.
6. The integrated printing and bag-making device for producing biodegradable plastic packaging bags according to claim 1, characterized in that: The printing positioning roller and the slitting positioning roller are both structures driven by motors to move, and the printing positioning roller and the slitting positioning roller are both connected to the main frame through bearings.
7. The printing and bag-making integrated device for producing biodegradable plastic packaging bags according to claim 1, characterized in that: The drying box also includes a drying box body, an air intake filter, an air intake fan, and a heating wire. An air intake duct is arranged on the front side of the drying box body, an air intake filter is arranged at the front end of the air intake duct, an air intake fan is arranged in the air intake duct, the air intake fan is connected to a drive motor, and a heating wire is arranged behind the air intake fan.
Citation Information
Patent Citations
A coding device and its installation method for an integrated printing and die-cutting machine for packaging bags.
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Production process of high-strength packaging bag
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