Food plastic package printing device

Abstract

The utility model discloses a food plastic package printing device which comprises a machine body, an unwinding roller, a winding roller, a printing mechanism, a tension control mechanism, a plurality of sets of guide rollers and a drying mechanism. The unwinding roller, the winding roller, the printing mechanism, the tension control mechanism, the guide rollers and the drying mechanism are arranged on the machine body. A purification mechanism is arranged on the machine body and comprises an air inlet end and a box body. By installing the drying bin, the drying box and the box body, along with starting of the first draught fan and the heating box, the air outlet end blows hot air to a printed plastic package, the ink drying process is accelerated, solvent in ink is helped to be rapidly volatilized through airflow, peculiar smells emitted by the ink are taken away, and along with starting of the second draught fan, the ink can be rapidly dried. The air inlet end absorbs peculiar smell emitted when the printed plastic package is dried, and the peculiar smell is exhausted outwards after being purified by the air purification box, so that the working environment is kept clean and comfortable, and the environment and the health of operators are protected.

Description

Technical Field

[0001] The utility model relates to the technical field of printing devices, in particular to a food plastic packaging printing device. Background Art

[0002] Food packaging bags are needed in the production and packaging process, and packaging bags need to be printed during the production process. The food plastic packaging printing device is a device specially used for printing on food plastic packaging.

[0003] The existing patent document CN220841845U discloses a highly efficient flat printing device for plastic food packaging bags, and the protected claim "includes a printing box (1), a mounting roller (2) and a driving roller (3) are provided on the inner wall of the printing box (1), a first transmission roller group (4) and a second transmission roller group (5) are provided between the mounting roller (2) and the driving roller (3), a printing component (6) is provided on the upper side of the first transmission roller group (4) and the second transmission roller group (5), and a flattening component (7) is provided on the lower side of the first transmission roller group (4). The utility model arranges the printing component and the flattening component in the printing box, and first actively stretches the packaging bag, so that the packaging bag can always be in a tensioned state, avoiding the phenomenon of loose wrinkles in the packaging bag, facilitating the printing of the packaging bag, and being easy to operate, thereby improving the printing efficiency and quality".

[0004] However, the high-efficiency flat printing device for plastic food packaging bags in the above-mentioned public documents mainly considers setting a printing component and a flattening component in a printing box, and actively stretching the packaging bag first, so that the packaging bag can always be in a tensioned state, avoiding the phenomenon of loose wrinkles in the packaging bag, facilitating the printing of the packaging bag, and easy to operate, thereby improving printing efficiency and quality. It does not take into account that in the printing process, ink is an indispensable raw material, and ink usually contains organic solvents such as alcohols, ketones, esters, and benzene. When these solvents fail to completely evaporate, they will remain on the packaging material, thereby generating odors. These odors will not only deteriorate the operating environment, affect work efficiency and working environment, but also affect the quality of food plastic packaging. Utility Model Content

[0005] The purpose of the present utility model is to provide a food plastic packaging printing device to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A food plastic packaging printing device includes a machine body, a unwinding roller and a winding roller are respectively provided on the machine body, a printing mechanism is provided on the machine body, a tension control mechanism is provided on the machine body, multiple groups of guide rollers are provided on the machine body, a drying mechanism for quickly drying the printed plastic packaging is provided on the machine body, the drying mechanism includes an air outlet and a drying box, and a purification mechanism for purifying odor generated by ink volatilization during the drying process of the plastic packaging is provided on the machine body, the purification mechanism includes an air inlet and a box.

[0008] Preferably, a drying chamber is fixedly provided inside the machine body, and the printed plastic packaging passes through the interior of the drying chamber through multiple sets of guide rollers, and the air outlet and air inlet are both fixedly provided inside the drying chamber.

[0009] Preferably, the drying box is arranged on the machine body and is located on one side of the drying chamber, and a heating box, a dust removal box and a fan are respectively provided inside the drying box.

[0010] Preferably, the interior of the dust removal box is respectively embedded with a dust removal plate and an air filter plate, the dust removal box is provided with an air inlet pipe, and one end of the air inlet pipe extends to the outside of the drying box, the air inlet of the fan extends to the interior of the dust removal box, the air outlet of the fan is installed with a pipe body, and one end of the pipe body extends to the interior of the heating box, the interior of the heating box is provided with a heating element, the heating box is provided with an air outlet pipe, and one end of the air outlet pipe extends to the interior of the air outlet end.

[0011] Preferably, the box is fixedly mounted on the machine body and is located on the other side of the drying chamber, and a gas collecting box, a second fan and a gas purification box are respectively arranged inside the box.

[0012] Preferably, the air collecting box is provided with an air inlet pipe 2, and one end of the air inlet pipe 2 extends to the interior of the air inlet end, the air inlet of the second fan extends to the interior of the air collecting box, and the air outlet of the second fan extends to the interior of the gas purification box. The interior of the gas purification box is respectively embedded with a diverter plate and an air purification plate, and the gas purification box is provided with an air outlet pipe, and one end of the air outlet pipe extends to the outside of the box.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model is equipped with a drying chamber, a drying box and a box body. As the fan 1 and the heating box in the drying box are started, the air outlet in the drying chamber will blow hot air to the printed plastic packaging, accelerating the drying process of the ink. The flow of air can also help the solvent in the ink to evaporate quickly and take away the odor emitted by the ink. By starting the fan 2 in the box, the air inlet in the drying chamber will absorb the odor emitted by the printed plastic packaging during drying, and after being purified by the air purification board in the gas purification box, it will be discharged to the outside through the air outlet pipe, thereby keeping the working environment clean and comfortable and protecting the environment and the health of the operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the front structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the drying chamber structure of the present utility model.

[0018] In the figure: 1. Machine body; 2. Unwinding roller; 3. Rewinding roller; 4. Printing mechanism; 5. Tension control mechanism; 6. Guide roller; 7. Drying chamber; 8. Box body; 9. Drying box; 10. Air outlet; 11. Dust removal box; 12. Air filter plate; 13. Dust removal plate; 14. Inlet pipe 1; 15. Fan 1; 16. Heating box; 17. Pipe body; 18. Heating element; 19. Air outlet pipe; 20. Gas collecting box; 21. Inlet pipe 2; 22. Fan 2; 23. Gas purification box; 24. Diverter plate; 25. Air purification plate; 26. Outlet pipe; 27. Inlet end. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in 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.

[0020] See also Figure 1-Figure 3, a food plastic packaging printing device, including, a body 1, a unwinding roller 2 and a winding roller 3 are respectively provided on the body 1, a printing mechanism 4 is provided on the body 1, a tension control mechanism 5 is provided on the body 1, a plurality of guide rollers 6 are provided on the body 1, a drying mechanism for quickly drying the printed plastic packaging is provided on the body 1, the drying mechanism includes an air outlet 10 and a drying box 9, a purification mechanism is provided on the body 1 for purifying the odor generated by the volatilization of ink during the drying process of the plastic packaging, the purification mechanism includes an air inlet 27 and a box 8, the body 1 is the basic frame of the entire printing device, used to support and install other components, the unwinding roller 2 is used to place the plastic packaging material to be printed, as the printing process proceeds, the material will gradually unfold, the winding roller 3 is used to collect the plastic packaging material that has been printed and subsequently processed, the printing mechanism 4 is the core part of the device, used to print graphics on the plastic packaging, the tension control mechanism 5 is used to adjust and control The tension of the plastic packaging material during the printing process ensures that the material can pass through the printing mechanism 4 smoothly and continuously, avoiding printing quality problems caused by excessive or insufficient tension. Multiple sets of guide rollers 6 are used to guide the path of the plastic packaging material in the device to ensure that it can pass through each part smoothly and accurately. Through the installation of the drying chamber 7, the drying box 9 and the box body 8, with the start of the fan 15 and the heating box 16 in the drying box 9, the air outlet 10 in the drying chamber 7 will blow hot air to the printed plastic packaging, accelerating the drying process of the ink. It can also help the solvent in the ink to evaporate quickly and take away the odor emitted by the ink through the flow of air flow. By starting the fan 22 in the box body 8, the air inlet 27 in the drying chamber 7 will absorb the odor emitted by the printed plastic packaging during drying, and after purification through the air purification plate 25 in the gas purification box 23, it will be discharged to the outside through the outlet pipe 26, keeping the working environment clean and comfortable, protecting the environment and the health of the operators.

[0021] See also Figure 2 and Figure 3The interior of the machine body 1 is fixedly provided with a drying chamber 7, and the printed plastic packaging passes through the interior of the drying chamber 7 through multiple sets of guide rollers 6. The air outlet 10 and the air inlet 27 are both fixedly provided inside the drying chamber 7. The drying box 9 is provided on the machine body 1 and is located on one side of the drying chamber 7. The interior of the drying box 9 is respectively provided with a heating box 16, a dust removal box 11 and a fan 15. The interior of the dust removal box 11 is respectively provided with a dust removal plate 13 and an air filter plate 12. The dust removal box 11 is provided with an air inlet pipe 14, and one end of the air inlet pipe 14 extends to the outside of the drying box 9. The air inlet of the fan 15 The outlet of the fan 15 extends to the interior of the dust removal box 11, and the air outlet of the fan 15 is installed with a pipe body 17, and one end of the pipe body 17 extends to the interior of the heating box 16. A heating element 18 is provided inside the heating box 16. An air outlet pipe 19 is provided on the heating box 16, and one end of the air outlet pipe 19 extends to the interior of the air outlet end 10. The drying chamber 7 is the main area in the device for drying the printed plastic packaging. Through multiple sets of guide rollers 6, the plastic packaging is guided through the interior of the drying chamber 7 for drying. A heating element 18 (such as a heating wire, a heater, etc.) is provided inside the heating box 16 for drying. The hot air is generated and sent to the air outlet 10 of the drying chamber 7 through the air outlet pipe 19 to dry the plastic packaging. The dust removal box 11 is used to remove dust and impurities in the air. It is equipped with a dust removal plate 13 and an air filter plate 12 inside, which can capture and filter out tiny particles in the air. The air inlet pipe 14 introduces external air into the dust removal box 11 for purification. The air inlet of the fan 15 extends into the dust removal box 11 to inhale the air that has been dusted. The air outlet is connected to the heating box 16 through the pipe body 17, and the dust-removed air is sent to the heating box 16 for heating. When the blower 15 is started, the air containing dust and odor enters the dust removal box 11 through the air inlet pipe 14 and is filtered by the dust removal plate 13 and the air filter plate 12. The dust-removed air is sucked into the fan 15 and sent to the heating box 16 through the pipe body 17. Inside the heating box 16, the heating element 18 heats the air to a suitable temperature. The heated hot air is sent to the air outlet end 10 of the drying chamber 7 through the air outlet pipe 19. The hot air blows on the printed plastic packaging, accelerates the drying process of the ink, and can also help the solvent in the ink to evaporate quickly and take away the odor emitted by the ink through the flow of air.

[0022] See also Figure 2 and Figure 3The box body 8 is fixedly arranged on the machine body 1 and is located on the other side of the drying chamber 7. The interior of the box body 8 is respectively provided with an air collecting box 20, a second fan 22 and a gas purification box 23. The air collecting box 20 is provided with a second air inlet pipe 21, and one end of the second air inlet pipe 21 extends to the interior of the air inlet end 27, the air inlet of the second fan 22 extends to the interior of the air collecting box 20, and the air outlet of the second fan 22 extends to the interior of the gas purification box 23. The interior of the gas purification box 23 is respectively fitted with a diverter plate 24 and an air purification plate 25. The gas purification box 23 is provided with a second air inlet pipe 21, and one end of the second air inlet pipe 21 extends to the interior of the air inlet end 27. The air inlet of the second fan 22 extends to the interior of the air collecting box 20, and the air outlet of the second fan 22 extends to the interior of the gas purification box 23. The interior of the gas purification box 23 is respectively fitted with a diverter plate 24 and an air purification plate 25. An outlet pipe 26 is provided on the drying box 23, and one end of the outlet pipe 26 extends to the outside of the box body 8. The gas collecting box 20 is used to collect the gas containing odor emitted by the plastic packaging during the drying process of the printing process. It is connected to the air inlet end 27 through the air inlet pipe 21. The air inlet end 27 is located inside the drying chamber 7 and can capture the odor emitted by the plastic packaging after printing during the drying process. The air inlet of the fan 22 extends to the inside of the gas collecting box 20 to inhale the collected exhaust gas and send the exhaust gas to the gas purification box 23 for purification. The internal part of the gas purification box 23 is embedded with a diverter plate 24 and an air purification plate 25. The diverter plate 24 can guide the flow of the exhaust gas to ensure that the exhaust gas can fully contact the air purification plate 25. The air purification plate 25 can absorb and filter out harmful substances in the exhaust gas. The outlet pipe 26 connects the gas purification box 23 and the outside of the box 8. The purified exhaust gas is safely discharged into the external environment through the outlet pipe 26. With the start of the fan 22, during the printing process, the odorous gas emitted by the plastic packaging during drying will be discharged through the inlet pipe 26. The gas end 27 enters the gas collecting box 20 and is collected by the gas collecting box 20. The exhaust gas in the gas collecting box 20 is sucked into the fan 22 and sent to the gas purification box 23 through its air outlet. In the gas purification box 23, the exhaust gas is first guided by the diverter plate 24 to ensure that the exhaust gas can be evenly distributed. Then, the exhaust gas is fully in contact with the air purification plate 25. The air purification plate 25 adsorbs and filters out harmful substances in the exhaust gas. The purified exhaust gas is safely discharged into the external environment through the outlet pipe 26, keeping the working environment clean and comfortable.

[0023] Working principle: the machine body 1 is the basic frame of the entire printing device, which is used to support and install other components. The unwinding roller 2 is used to place the plastic packaging material to be printed. As the printing process proceeds, the material will gradually unfold. The winding roller 3 is used to collect the plastic packaging material that has been printed and subsequently processed. The printing mechanism 4 is the core part of the device, which is used to print graphics on plastic packaging. The tension control mechanism 5 is used to adjust and control the tension of the plastic packaging material during the printing process to ensure that the material can pass through the printing mechanism 4 smoothly and continuously to avoid printing quality problems caused by excessive or insufficient tension. Multiple sets of guide rollers 6 are used to guide the path of the plastic packaging material in the device to ensure that it can pass through each part smoothly and accurately, through the drying chamber 7, and the drying chamber 7. After the installation of the drying box 9 and the box body 8, with the start of the fan 15 and the heating box 16 in the drying box 9, the air outlet 10 in the drying chamber 7 will blow hot air to the printed plastic packaging, accelerate the drying process of the ink, and can also help the solvent in the ink to evaporate quickly and take away the odor emitted by the ink through the flow of air. By starting the fan 22 in the box body 8, the air inlet 27 in the drying chamber 7 will absorb the odor emitted by the printed plastic packaging during drying, and after being purified by the air purification plate 25 in the gas purification box 23, it will be discharged to the outside through the air outlet pipe 26, keeping the working environment clean and comfortable, protecting the environment and the health of the operators. The drying chamber 7 is the main area in the device for drying the printed plastic packaging. Through multiple sets of guide rollers 6, the plastic packaging The plastic packaging is guided through the interior of the drying chamber 7 for drying. A heating element 18 (such as an electric heating wire, a heater, etc.) is provided inside the heating box 16 to generate hot air. The hot air is sent to the air outlet 10 of the drying chamber 7 through the air outlet pipe 19 to dry the plastic packaging. The dust removal box 11 is used to remove dust and impurities in the air. It is equipped with a dust removal plate 13 and an air filter plate 12 inside to capture and filter out tiny particles in the air. The air inlet pipe 14 introduces external air into the dust removal box 11 for purification. The air inlet of the fan 15 extends into the interior of the dust removal box 11 to inhale the air that has been dust-removed. The air outlet is connected to the heating box 16 through the pipe body 17, and the dust-removed air is sent to the heating box 16 for heating. As the wind blows When the machine 15 is started, the air containing dust and odor enters the dust removal box 11 through the air inlet pipe 14, and is filtered by the dust removal plate 13 and the air filter plate 12. The dust-removed air is sucked into the fan 15 and sent to the heating box 16 through the pipe body 17. Inside the heating box 16, the heating element 18 heats the air to a suitable temperature. The heated hot air is sent to the air outlet 10 of the drying chamber 7 through the air outlet pipe 19. The hot air blows on the printed plastic packaging to accelerate the drying process of the ink. It can also help the solvent in the ink to evaporate quickly and take away the odor emitted by the ink through the flow of air. The air collecting box 20 is used to collect the odorous gas emitted by the plastic packaging during the drying process of the printing process. It is connected to the air inlet end 27 through the air inlet pipe 21.The air inlet end 27 is located inside the drying chamber 7, which can capture the odor emitted by the printed plastic packaging during drying. The air inlet of the second fan 22 extends to the inside of the gas collecting box 20, which is used to inhale the collected exhaust gas and send the exhaust gas into the gas purification box 23 for purification. The gas purification box 23 is embedded with a diverter plate 24 and an air purification plate 25. The diverter plate 24 can guide the flow of the exhaust gas to ensure that the exhaust gas can fully contact the air purification plate 25. The air purification plate 25 can absorb and filter out harmful substances in the exhaust gas. The exhaust pipe 26 connects the gas purification box 23 and the outside of the box body 8. The purified exhaust gas is safely discharged to the In the external environment, as fan 22 is activated, during the printing process, odorous gases emitted by the plastic packaging during drying will enter the air collection box 20 through the air inlet end 27 and be collected by the air collection box 20. The exhaust gas in the air collection box 20 is sucked into the fan 22 and sent to the gas purification box 23 through its air outlet. In the gas purification box 23, the exhaust gas first passes through the diverter plate 24 to ensure that the exhaust gas is evenly distributed. Subsequently, the exhaust gas fully contacts the air purification plate 25, which absorbs and filters out harmful substances in the exhaust gas. The purified exhaust gas is safely discharged to the external environment through the exhaust pipe 26, maintaining a clean and comfortable working environment.

[0024] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above 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, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A food plastic packaging printing device, comprising a machine body (1), a reeling roller (2) and a reeling roller (3) respectively provided on the machine body (1), a printing mechanism (4) provided on the machine body (1), a tension control mechanism (5) provided on the machine body (1), and a plurality of guide rollers (6) provided on the machine body (1), characterized in that: The machine body (1) is provided with a drying mechanism for quickly drying printed plastic packaging, the drying mechanism comprising an air outlet (10) and a drying box (9), and the machine body (1) is provided with a purification mechanism for purifying odor generated by ink volatilization during the drying process of the plastic packaging, the purification mechanism comprising an air inlet (27) and a box (8).

2. A food plastic packaging printing device according to claim 1, characterized in that: A drying chamber (7) is fixedly provided inside the machine body (1), and the printed plastic packaging passes through the interior of the drying chamber (7) through multiple sets of guide rollers (6), and the air outlet (10) and the air inlet (27) are both fixedly provided inside the drying chamber (7).

3. A food plastic packaging printing device according to claim 2, characterized in that: The drying box (9) is arranged on the machine body (1) and is located on one side of the drying chamber (7). A heating box (16), a dust removal box (11) and a fan (15) are respectively arranged inside the drying box (9).

4. A food plastic packaging printing device according to claim 3, characterized in that: The interior of the dust removal box (11) is respectively fitted with a dust removal plate (13) and an air filter plate (12); the dust removal box (11) is provided with an air inlet pipe (14), and one end of the air inlet pipe (14) extends to the outside of the drying box (9); the air inlet of the fan (15) extends to the interior of the dust removal box (11); the air outlet of the fan (15) is provided with a pipe body (17), and one end of the pipe body (17) extends to the interior of the heating box (16); the interior of the heating box (16) is provided with a heating element (18); the heating box (16) is provided with an air outlet pipe (19), and one end of the air outlet pipe (19) extends to the interior of the air outlet end (10).

5. The food plastic packaging printing device according to claim 2, characterized in that: The box body (8) is fixedly mounted on the machine body (1) and is located on the other side of the drying chamber (7). A gas collecting box (20), a second fan (22) and a gas purification box (23) are respectively arranged inside the box body (8).

6. A food plastic packaging printing device according to claim 5, characterized in that: The gas collecting box (20) is provided with an air inlet pipe (21), and one end of the air inlet pipe (21) extends to the inside of the air inlet end (27), the air inlet of the second fan (22) extends to the inside of the gas collecting box (20), and the air outlet of the second fan (22) extends to the inside of the gas purification box (23), and the inside of the gas purification box (23) is respectively embedded with a diverter plate (24) and an air purification plate (25), and the gas purification box (23) is provided with an air outlet pipe (26), and one end of the air outlet pipe (26) extends to the outside of the box body (8).

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