CN116080262A - Plastic packaging bag printing device - Google Patents

Abstract

The invention discloses a plastic packaging bag printing device, which relates to the field of plastic packaging bags and comprises a workbench and a vertical rod, wherein a top plate is arranged at the top of the vertical rod, an ink tank is arranged on the workbench, a printing roller is connected in the ink tank, a transmission shaft is connected to the bottom of the ink tank, a positive bevel gear is arranged on the transmission shaft, a side bevel gear is arranged at the bottom of the ink tank, a stirring mechanism is connected to the top of the side bevel gear, a drying box is arranged at one side of the top of the workbench, and a rubber plate is connected to the inner side of the top plate. According to the invention, the positive bevel gear is meshed with the side bevel gear to drive the stirring rod to rotate, so that stirring disturbance of ink in the ink tank is realized in the printing process, the phenomenon of local precipitation of the ink in the ink tank is prevented, the whole drying efficiency is accelerated by performing drying intervention treatment on the rubber plate for the first time, and residual heat of the air heater is reused, so that the printing quality is ensured.

Description

A printing device for plastic packaging bags

technical field

The invention relates to the field of plastic packaging bags, in particular to a printing device for plastic packaging bags.

Background technique

The commodity nature of the packaging itself is becoming more and more obvious. It has become a special product that is no longer attached to commodity production. It is a product that is inseparable from all commodities and is widely used, especially plastic bags. Plastic bags have become It is an indispensable thing in our life. Of course, for the effect of beauty and publicity, various printings are often printed on the packaging bags.

When printing its packaging bag, its own working principle is: first make the text and image to be printed into a printing plate, install it on the printing machine, and then apply the ink to the printing plate by manual or printing machine. image, and then directly or indirectly transferred to the plastic packaging bag, so as to reproduce the same print as the printing plate, where the printing of plastic packaging bags can be seen everywhere in our lives, the existing plastic packaging bags are printed and dyed During the process, due to the large traction force, the plastic bag is easy to tear or wrinkle, which will greatly affect the production efficiency during the printing and dyeing process, and the wrinkle is easy to cause broken marks in printing and dyeing.

The Chinese patent with the notification number CN214324562 U provides a plastic packaging bag printing device. After the roller surface of the printing roller is coated with ink, the plastic packaging bag is further pressed and dyed. The pressing roller and the pressing plate have a certain pressing force. , the pattern is clearer after pressing, and there is a cyclically moving belt between the pressing plate and the pressing roller. The belt keeps moving synchronously with the plastic bag to prevent the plastic bag from being subjected to excessive traction. At the same time, the belt is made of rubber and has a certain degree of elasticity. , to reduce the probability of damage to plastic packaging bags.

Since the above-mentioned structure takes a long time to print its plastic packaging bag during the working process, the ink tank is in a static state for a long time during the printing process, which may cause the ink in the ink tank to precipitate and affect its subsequent plastic packaging. At the same time, it is difficult to quickly dry the printed works after printing, and it is easy to cause deformation or blurring of the later printing when winding, reducing the overall printing quality.

To sum up, because the above-mentioned mechanism may cause the ink in the ink tank to precipitate during the working process, which will affect the printing effect of the subsequent plastic packaging bag, and it will easily cause deformation or blurring of the later printing when it is rolled. Reduce its overall print quality.

Contents of the invention

Based on this, the purpose of the present invention is to provide a plastic packaging bag printing device to solve the phenomenon that the ink in the ink tank may be precipitated due to the above-mentioned mechanism in the working process, which will affect the printing effect of its subsequent plastic packaging bags. Moreover, it is easy to cause deformation or blurring of its later stage printing when winding, which reduces the technical problem of its overall printing quality.

In order to achieve the above object, the present invention provides the following technical solutions: a plastic packaging bag printing device, including a workbench and a pole, the top of the pole is provided with a top plate, and an ink tank is provided through the workbench. The ink tank is rotatably connected with a printing roller, and one end of the printing roller runs through the workbench. The bottom of the ink tank is rotatably connected to a transmission shaft through a transmission mechanism. The bottom is provided with a side bevel gear meshed with it, the top of the side bevel gear penetrates into the ink tank and is connected with a stirring mechanism, the top side of the workbench is provided with a drying box, and the inside of the top plate is elastically connected with a rubber plate , and one end of the rubber plate penetrates into the drying box, one side of the rubber plate is provided with an air intake pipe in the drying box, and the other end is provided with an exhaust pipe, and the inside of the rubber plate is located A group of U-shaped pipes are arranged between the intake pipe and the exhaust pipe.

By adopting the above technical scheme, the positive bevel gear and the side bevel gear are meshed to drive the stirring rod to rotate, so that the ink in the ink tank can be stirred and disturbed during the printing process, and the ink in the ink tank can be prevented from partially settling. phenomenon, the drying pretreatment is carried out through the rubber plate at the first time to speed up its overall drying efficiency, and the remaining heat of the hot air blower is reused to ensure its printing quality.

The present invention is further provided that the transmission mechanism includes a driving disc, a driven disc and a transmission belt, one end of the printing roller is connected with a driving disc, one end of the transmission shaft is connected with a driven disc, and is located between the driving disc and the driven disc. A transmission belt is connected between the discs.

By adopting the above technical scheme, the printing roller drives the driving disc to rotate and print, and the driven disc is driven to rotate under the action of the transmission belt.

The present invention is further provided that the stirring mechanism includes a stirring rod and a stirring blade, a stirring rod is connected to the top of the side bevel gear, and one end of the stirring rod penetrates into the ink tank, and the outer wall of the stirring rod is located in the ink tank There are arrays of stirring blades connected.

By adopting the above technical scheme, during the printing process of the printing roller, the stirring rod drives its stirring blades to stir and disturb the ink tank, which can prevent the ink in the ink tank from partially settling for a long time.

The present invention is further provided that a stepping motor is installed on one side of the vertical rod, and the output end of the stepping motor penetrates into the inner side of the vertical rod and is connected with a winding roller, and the inner side of the vertical rod is located on the other side of the workbench. One end is connected with a conveying roller.

By adopting the above technical scheme, the winding roller is driven to rotate by starting the stepping motor to collect the plastic packaging bag.

The present invention is further provided that a scraper is elastically connected to one side of the embossing roller in the ink tank.

By adopting the above-mentioned technical scheme, when the printing roller rotates and is stained with ink by the scraper, the ink on the outer wall of the printing roller is smoothed by the scraper.

The present invention is further provided that a group of compression springs is arranged between the top plate and the rubber plate.

By adopting the above technical solution, the reset adjustment can be performed by compressing the spring, so as to increase the contact force between the printing roller and the plastic packaging bag, and increase its printing effect.

In the present invention, it is further provided that a group of hot air blowers are arranged at the bottom of the drying box, and the output ends of the hot air blowers are arranged in parallel with the rubber plate.

By adopting the above-mentioned technical scheme, the inside of the plastic packaging bag is dried through the human blower, and at the same time, the parallel arrangement facilitates the tight adhesion of the plastic packaging bag and the inner side of the rubber plate, preventing the phenomenon of wrinkling during the winding process. .

The present invention is further provided that the stirring rod and the ink tank are sealed.

By adopting the above technical solution, when the stirring rod stirs and disturbs the ink inside the ink tank, the phenomenon of leakage at the bottom of the ink tank is prevented.

The present invention is further provided that the bottom of the workbench is provided with several sets of legs.

By adopting the above technical scheme, the workbench is supported as a whole by the outriggers, so as to prevent impurities and stains on the ground from affecting the printing effect of the plastic packaging bag.

In summary, the present invention mainly has the following beneficial effects:

In the present invention, one end of the printing roller runs through the working table and is connected with a transmission mechanism. During the printing process, the printing roller is driven by the transmission mechanism to drive the transmission shaft to rotate. The side bevel gear meshes to drive the stirring rod in the ink tank to rotate, so that the stirring rod can stir and disturb the ink in the ink tank during the printing process, and prevent the ink in the ink tank from partially settling , to improve the printing effect of its printing roller on its plastic packaging bag;

In the present invention, a rubber plate is elastically connected to the bottom of the top plate, so that the rubber plate has a certain pressing effect on the printing roller, ensuring the clarity of the printing pattern, and at the same time, the follow-up hot air blower blows and dries the printed plastic packaging bag When dry, make the plastic packaging bag and the bottom of the rubber plate stick to each other to prevent the plastic packaging bag from shaking violently and ensure the stability of the printing process;

In the present invention, air intake pipes and exhaust pipes are respectively arranged on both sides of the rubber plate. When the hot air blower in the drying box dries the plastic packaging bag, the external fan passes through the air intake pipe to dry the waste heat from the hot air blower. It is sucked into the U-shaped tube of the rubber sheet and discharged through the exhaust pipe. This process can preheat one end of the rubber sheet. After printing on the printing roller, it will be dried and pretreated by the rubber sheet at the first time to speed up its overall process. The drying efficiency is high, and the waste heat of the remaining hot air blower is reused to ensure the printing quality and reduce the overall drying cost.

Description of drawings

Fig. 1 is the front perspective view of the present invention;

Fig. 2 is a rear perspective view of the present invention;

Fig. 3 is the structural representation of stirring mechanism of the present invention;

Fig. 4 is the structural representation of transmission mechanism of the present invention;

Fig. 5 is a top view of the present invention;

Fig. 6 is a schematic structural view of the oven of the present invention;

Fig. 7 is the structural representation of rubber sheet of the present invention;

Fig. 8 is an enlarged view of A in Fig. 1 of the present invention.

In the figure: 1. Workbench; 2. Vertical rod; 3. Top plate; 4. Conveyor roller; 5. Compression spring; 6. Rubber plate; 7. Drying box; 8. Rewinding roller; 9. Driving disc; 10 , driven disc; 11, stepping motor; 12, transmission shaft; 13, ink tank; 14, printing roller; 15, exhaust pipe; 16, transmission belt; 17, scraper; 18, stirring blade; 19, stirring rod ; 20, hot air blower; 21, U-shaped pipe; 22, intake pipe; 23, side bevel gear; 24, positive bevel gear.

Implementation

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

The embodiments of the present invention will be described below according to the overall structure of the present invention.

A plastic packaging bag printing device, as shown in Figures 1-8, includes a workbench 1, a vertical pole 2, a top plate 3, a transmission mechanism, a stirring mechanism, and a drying mechanism. The other end of the roller 4 is connected with its winding roller 8, and the stepping motor 11 on one side of the vertical rod 2 is started to drive the winding roller 8 to rotate. Roller 14 performs rotary printing work, and the bottom of the printing roller 14 is provided with an ink tank 13, and the ink tank 13 is contaminated by the printing roller 14 to realize uninterrupted printing of its plastic packaging bag, and one end of the printing roller 14 drives its drive plate 9 to carry out the printing process. Rotate, under the action of the transmission belt 16 and its driven disc 10, drive the transmission shaft 12 at the bottom of the ink tank 13 to rotate, and rotate through the positive bevel gear 24 on the transmission shaft 12 and the side bevel gear 23 at the bottom of the stirring rod 19, Realize driving the stirring rod 19 and the stirring blade 18 in the ink tank 13 to rotate, so that the stirring rod 19 and the stirring blade 18 can stir and disturb the ink in the ink tank 13 during the printing process, preventing the ink tank 13 from stirring. The phenomenon that the ink in the interior takes place local precipitation, improve the printing effect of its printing roller 14 on its plastic packaging bag, be sealing setting between stirring bar 19 and ink tank 13, the ink of its ink tank 13 interior is carried out at stirring bar 19 In the process of agitation and disturbance, the phenomenon of leakage at the bottom of the ink tank 13 is prevented, and at the same time, the plastic packaging bag is pressed by the cooperation of the rubber plate 6 and the compression spring 5, so that the rubber plate 6 has a certain pressure on the printing roller 14 effect, to ensure the clarity of its printed pattern, and when the follow-up hot air blower 20 blows and dries the plastic packaging bag after its printing, its plastic packaging bag and the bottom of the rubber plate 6 are attached to each other to prevent its plastic packaging bag Vigorous shaking occurs to ensure the stability of the printing process. After the printing is completed, the plastic packaging bag enters the drying box 7, and the internal hot air blower 20 is started to blow and dry the printed place, and the plastic bag on one side of the rubber plate 6 is blown and dried. The exhaust pipe 15 is externally connected with a fan, so that the remaining heat of the blown hot air enters the U-shaped pipe 21 through the air intake pipe 22. This process can realize preheating one end of the rubber plate 6. The board 6 is dried and pretreated at the first time to speed up its overall drying efficiency, and reuse the residual heat of the hot air blower to ensure its printing quality and reduce its overall drying cost.

Referring to Fig. 1, Fig. 3 and Fig. 5, a scraper 17 is elastically connected to one side of the embossing roller 14 in the ink tank 13, and when the embossing roller 14 is rotated and stained with ink, the scraper 17 is printed on it The ink on the outer wall of the roller 14 is smoothed to improve its subsequent printing effect.

Referring to Fig. 1, Fig. 3 and Fig. 3, the transmission mechanism includes a driving disc 9, a driven disc 10 and a transmission belt 16, one end of the embossing roller 14 is connected with the driving disc 9, and one end of the transmission shaft 12 is connected with the driven disc 10, and A transmission belt 16 is connected between the driving disk 9 and the driven disk 10, and the printing roller 14 drives the driving disk 9 to rotate and print, and under the action of the transmission belt 16, the driven disk 10 is driven to rotate.

Please refer to Fig. 2, Fig. 3 and Fig. 6, the specific working principle of the stepper motor and its hot air blower belongs to the prior art for those skilled in the art, so it is not elaborated in this application.

The working principle of the present invention is: start the winding roller 8 through the stepper motor 11 to pull the plastic packaging bag to move and roll, and then make the printing roller 14 rotate to print the plastic packaging bag, and drive it under the action of the transmission mechanism. The stirring mechanism in the ink tank 13 stirs to disturb the ink in the ink tank 13 during the printing process to prevent it from settling, and at the same time, the plastic packaging bag after the printing is completed enters the drying box 7 for drying For processing, the exhaust pipe 15 is connected with the external fan to extract and discharge the excess heat in the drying box 7, and the heat passes through the U-shaped pipe 21 in the rubber plate 6 to realize the preheating of the rubber plate 6 by using the remaining heat After printing on the printing roller 14 is completed, the drying pretreatment is carried out by the rubber plate 6 at the first time, so as to speed up the overall drying efficiency.

Although the embodiments of the present invention have been shown and described, this specific embodiment is only an explanation of the present invention, and it is not a limitation of the invention. The specific features, structures, materials or characteristics described can be in any one or more Combining the embodiments or examples in a suitable manner, those skilled in the art can make modifications and replacements without creative contributions to the embodiments as required without departing from the principle and purpose of the present invention after reading this specification and modifications, etc., but as long as they are within the scope of the claims of the present invention, they are all protected by the patent law.

Claims (9)

1. The utility model provides a plastic packaging bag stamp device, includes workstation (1) and pole setting (2), the top of pole setting (2) is provided with roof (3), its characterized in that: the printing ink tank is characterized in that an ink tank (13) is arranged on the workbench (1) in a penetrating mode, a printing roller (14) is connected in the ink tank (13) in a rotating mode, one end of the printing roller (14) penetrates out of the workbench (1), the bottom of the ink tank (13) is connected with a transmission shaft (12) in a rotating mode through a transmission mechanism, a positive bevel gear (24) is arranged on the transmission shaft (12), a side bevel gear (23) meshed with the positive bevel gear is arranged at the bottom of the ink tank (13), a stirring mechanism is connected in the ink tank (13) in a penetrating mode through the top of the side bevel gear (23), a drying box (7) is arranged on one side of the top of the workbench (1), a rubber plate (6) is connected in an elastic mode, one end of the rubber plate (6) penetrates into the drying box (7), an air inlet pipe (22) is arranged on one side of the rubber plate (6), an air outlet pipe (15) is arranged on one side of the other end of the rubber plate (6), and an array (21) of U-shaped pipe (21) is arranged between the air inlet pipe (22) and the air outlet pipe (15).

2. A plastic package embossing device as set forth in claim 1, wherein: the transmission mechanism comprises a driving disc (9), a driven disc (10) and a transmission belt (16), wherein one end of the printing roller (14) is connected with the driving disc (9), one end of the transmission shaft (12) is connected with the driven disc (10), and the transmission belt (16) is connected between the driving disc (9) and the driven disc (10).

3. A plastic package embossing device as set forth in claim 1, wherein: the stirring mechanism comprises a stirring rod (19) and stirring blades (18), the top of the side bevel gear (23) is connected with the stirring rod (19), one end of the stirring rod (19) penetrates into the ink tank (13), and the outer wall of the stirring rod (19) is positioned in the ink tank (13) and is connected with a plurality of groups of stirring blades (18).

4. A plastic package embossing device as set forth in claim 1, wherein: the automatic feeding device is characterized in that a stepping motor (11) is arranged on one side of the vertical rod (2), the output end of the stepping motor (11) penetrates into the inner side of the vertical rod (2) to be connected with a winding roller (8), and the other end of the inner side of the vertical rod (2) located on the workbench (1) is connected with a conveying roller (4).

5. A plastic package embossing device as set forth in claim 1, wherein: one side of the printing ink groove (13) positioned on the printing roller (14) is elastically connected with a scraping plate (17).

6. A plastic package embossing device as set forth in claim 1, wherein: an array of compression springs (5) are arranged between the top plate (3) and the rubber plate (6).

7. A plastic package embossing device as set forth in claim 1, wherein: the bottom in stoving case (7) is provided with array air heater (20), and the output of air heater (20) is in parallel arrangement with its rubber slab (6).

8. A plastic package embossing device as set forth in claim 3, wherein: the stirring rod (19) and the ink tank (13) are arranged in a sealing way.

9. A plastic package embossing device as set forth in claim 1, wherein: the bottom of the workbench (1) is provided with a plurality of groups of supporting legs.

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