Environment-friendly carton printing device

Abstract

The utility model belongs to the technical field of carton printing, in particular to an environment-friendly carton printing device, which is characterized in that an ink level of an ink cylinder always submerges a concave pit surface of a gravure cylinder, so that printing ink is fully filled in a printing pit of the gravure cylinder, meanwhile, a propelling oil cylinder at the lower end of a belt conveyor can be started through a control end, and a piston end of the propelling oil cylinder pushes a push rod; the push rod pushes the support and the scraper to approach the gravure cylinder until the tip end face of the gravure cylinder can be attached to the outer wall of the cylinder, redundant ink is effectively scraped in the rotating process, and the printing effect is ensured. Printed cartons enter along gaps between the first cooling rollers and the second cooling rollers and are conveyed until the cartons are conveyed out of the printing box body, and in the process, the rapid cooling operation of the cartons is completed through the multiple sets of first cooling rollers and the multiple sets of second cooling rollers, and internal moisture and diffused ink can be discharged into the collecting tank along the exhaust pipe under the negative pressure effect of the dehumidifier, so that rapid cooling and dehumidification operation of the printing carton is completed, and the quality of a printed finished product is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of carton printing, and in particular relates to an environmentally friendly carton printing device. Background Art

[0002] A carton printing machine is a printing device that can print the required text, patterns and other information on the surface of a carton. When working, the carton printing machine first makes the text and images to be printed into a printing plate, installs it on the printing machine, and then evenly applies ink to the places where the text and images are on the printing plate, and then directly or indirectly transfers them to the corrugated board or carton, thereby replicating a printed copy that is the same as the printing plate.

[0003] After searching, the publication number: CN219706455U announced an environmentally friendly carton printing device. In the utility model, the push rod is continuously rotated and moved on the chain to realize reciprocating motion, and the lifting device moves up and down synchronously. The two cooperate with each other to accurately clamp and fix the carton during printing to avoid printing deviation caused by the movement of the carton position. After printing, the push rod moves to assist in applying a thrust to the carton, so that the carton can be quickly replaced and the printing efficiency is improved. However, when printing is completed, the temperature of the carton will increase, and the ink print on the printed carton cannot be quickly cooled and dried, which will cause the ink to diffuse and affect the printing quality.

[0004] Therefore, an environmentally friendly carton printing device is designed to solve the above problems. Utility Model Content

[0005] To solve the problems raised in the above background technology. The utility model provides an environmentally friendly carton printing device, which can place the carton in the middle of the belt end of the belt conveyor body. Under the belt transmission, the carton is sent to the middle of the embossing roller and the gravure cylinder, and the ink level of the ink cylinder always exceeds the pit surface of the gravure cylinder, so that the ink is fully filled in the printing pit of the gravure cylinder. At the same time, the propulsion cylinder at the lower end of the belt conveyor can be started through the control end, and its piston end pushes the push rod, and the push rod pushes the bracket and the scraper to approach the gravure cylinder until its tip surface can fit with the outer wall of the cylinder, so that the excess ink can be effectively scraped off during the rotation process to ensure the printing effect; on the other hand, the staff can pre-fill the ink into the feed tank, and use the running ink pump to suck the ink from the suction pipe into the ink cylinder for ink supply to prevent the low ink level from causing the failure of embossing.

[0006] During the printing process, the stepper motor inside the dust cover is electrically started, and its motor shaft drives the drive shaft to rotate. Under the meshing condition of two sets of locking gears, the upper embossing roller and the lower gravure roller rotate in opposite directions at the same speed, thereby squeezing the ink in the printing pit onto the carton to achieve the printing effect. The printed carton enters along the gap between cooling roller 1 and cooling roller 2 and completes the transmission until it is outside the printed box. During this process, multiple sets of cooling rollers 1 and 2 with cooling water passing through them complete the rapid cooling operation of the carton, and the internal moisture and emitted ink can be discharged into the collection tank along the exhaust pipe under the negative pressure effect of the dehumidifier, thereby completing the rapid cooling and dehumidification operation of the printed carton to ensure the quality of the printed product.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an environmentally friendly carton printing device, comprising a high-efficiency cooling printing mechanism, the high-efficiency cooling printing mechanism comprising a belt conveyor body, a printing box, an ink cylinder, a gravure roller, an embossing roller, a scraper and a cooling assembly, the belt conveyor body is arranged on one side of the printing box, the ink cylinder is fixedly connected to the bottom of the printing box, the gravure roller is arranged on the top of the ink cylinder, and the gravure roller is rotatably connected to the inside of the printing box, the embossing roller is rotatably connected to the upper end of the printing box close to the gravure roller, the tip surface of the scraper is against the surface of the gravure roller, and the cooling assemblies are arranged at equal intervals inside the printing box.

[0008] As a preferred embodiment of an environmentally friendly carton printing device of the utility model, the cooling component includes a cooling roller 1, a cooling roller 2, a dehumidifier, an exhaust pipe and a collecting tank. The cooling roller 1 is rotatably connected to one side of the bottom of the printing box, the cooling roller 2 is arranged at the upper end of the cooling roller 1, the input end of the dehumidifier passes through the top inner wall of the printing box and is fixedly connected to the inner wall surface of the printing box, the exhaust pipe is fixedly connected to the output end of the dehumidifier, and the middle part of the top end of the collecting tank is fixedly connected to the bottom of the exhaust pipe.

[0009] As a preferred embodiment of the environmentally friendly carton printing device of the utility model, a feed tank is also provided on one side of the ink cylinder.

[0010] As a preferred embodiment of the environmentally friendly carton printing device of the utility model, an ink pump and a suction pipe are also provided at the bottom of the feed tank, and the input end of the ink pump is fixedly connected to one side of the suction pipe.

[0011] As a preferred environmentally friendly carton printing device of the utility model, a dust cover, a stepper motor, a drive shaft and a locking gear are also provided on the outside of the printing box body, the dust cover is fixedly connected to the outside of the printing box body, the motor shaft of the stepper motor is fixedly connected to one end of the drive shaft through a coupling, and two groups of locking gears are provided, and the middle parts of the two groups of locking gears are respectively fixedly connected to one side of the gravure roller and the embossing roller.

[0012] As a preferred environmentally friendly carton printing device of the utility model, a propulsion cylinder, a push rod and a bracket are also provided on one side of the scraper, the piston end of the propulsion cylinder is fixedly connected to one end of the push rod, the outer side of the push rod is fixedly connected to the surface of the bracket, the bracket is slidably connected to the inner side of the bottom of the printing box, and the outer side of the bracket is clamped with the surface of the scraper.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, the ink level of the ink cylinder is always above the concave surface of the gravure cylinder, so that the ink is fully filled in the printing pit of the gravure cylinder. At the same time, the propulsion cylinder at the lower end of the belt conveyor can be started by the control end, and its piston end pushes the push rod, and the push rod pushes the bracket and the scraper to approach the gravure cylinder until its tip surface can fit with the outer wall of the cylinder, so that the excess ink can be effectively scraped off during the rotation process to ensure the printing effect.

[0015] 2. In the utility model, under the meshing condition of two sets of locking gears, the upper embossing roller and the lower gravure roller rotate in opposite directions at the same speed, so that the ink in the printing pit is squeezed onto the carton to achieve the printing effect. The printed carton enters along the gap between the cooling roller 1 and the cooling roller 2 and completes the transmission until it is outside the printed box. During this process, multiple sets of cooling rollers 1 and 2 with cooling water passing through them complete the rapid cooling operation of the carton, and the internal moisture and the emitted ink can be discharged into the collection tank along the exhaust pipe under the negative pressure effect of the dehumidifier, thereby completing the rapid cooling and dehumidification operation of the printed carton to ensure the quality of the printed product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is the position diagram of the belt conveyor body in the utility model;

[0019] Figure 3 It is a top view of the interior of the printing box in the utility model;

[0020] Figure 4 It is a distribution diagram of the bracket in the utility model;

[0021] Figure 5 It is a schematic diagram of the structure of the embossing roller and the gravure cylinder in the utility model;

[0022] In the figure:

[0023] 1. High-efficiency cooling printing mechanism; 11. Belt conveyor body; 12. Printing box; 13. Ink cylinder; 14. Gravure cylinder; 15. Impression roller; 16. Scraper; 17. Cooling assembly; 171. Cooling roller one; 172. Cooling roller two; 173. Dehumidifier; 174. Exhaust pipe; 175. Collecting tank; 2. Feed tank; 3. Ink pump; 4. Suction pipe; 5. Dust cover; 6. Stepper motor; 7. Drive shaft; 8. Locking gear; 9. Propelling cylinder; 10. Push rod; 20. Bracket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1 As shown:

[0026] An environmentally friendly carton printing device is disclosed in CN219706455U. The push rod continuously rotates and moves on the chain to realize reciprocating motion, and the lifting device moves up and down synchronously. The two cooperate with each other to accurately clamp and fix the carton during printing to avoid printing deviation caused by the movement of the carton position. After printing, the push rod applies an auxiliary thrust to the carton when it moves, so that the carton can be quickly replaced to improve printing efficiency. However, when printing is completed, the temperature of the carton will increase, and the ink print on the printed carton cannot be quickly cooled and dried, which will cause the ink to diffuse and affect the printing quality. On this basis, a high-efficiency cooling printing mechanism 1 is added.

[0027] like Figure 1 , Figure 2 and Figure 4 As shown:

[0028] In an optional embodiment: the high-efficiency cooling printing mechanism 1 includes a belt conveyor body 11, a printing box 12, an ink cylinder 13, a gravure cylinder 14, an impression roller 15, a scraper 16 and a cooling assembly 17, the belt conveyor body 11 is arranged on one side of the printing box 12, the ink cylinder 13 is fixedly connected to the bottom of the printing box 12, the gravure cylinder 14 is arranged on the top of the ink cylinder 13, and the gravure cylinder 14 is rotatably connected to the inside of the printing box 12, and the impression roller 15 is rotatably connected to the printing box 12 near the gravure cylinder 14. At the upper end, the tip surface of the scraper 16 is against the surface of the gravure cylinder 14, and the cooling components 17 are arranged at equal intervals inside the printing box 12. The outside of the printing box 12 is also provided with a dust cover 5, a stepper motor 6, a drive shaft 7 and a locking gear 8. The dust cover 5 is fixedly connected to the outside of the printing box 12, and the motor shaft of the stepper motor 6 is fixedly connected to one end of the drive shaft 7 through a coupling. Two groups of locking gears 8 are provided, and the middle parts of the two groups of locking gears 8 are respectively fixedly connected to one side of the gravure cylinder 14 and the embossing roller 15.

[0029] In this embodiment: the carton is placed in the middle of the belt end of the belt conveyor body 11, and the carton is sent to the middle of the embossing roller 15 and the gravure cylinder 14 under the belt transmission. The ink level of the ink cylinder 13 always exceeds the pit surface of the gravure cylinder 14, so that the ink is fully filled in the printing pit of the gravure cylinder 14. At the same time, the propulsion cylinder 9 at the lower end of the belt conveyor can be started through the control end, and its piston end pushes the push rod 10. The push rod 10 pushes the bracket 20 and the scraper 16 to approach the gravure cylinder 14 until its tip surface can fit with the outer wall of the cylinder, so that the excess ink can be effectively scraped off during the rotation process to ensure the printing effect; on the other hand, the staff can pre-fill the ink into the feed tank 2, and use the running ink pump 3 to suck the ink from the suction pipe 4 into the ink cylinder 13 for ink supply to prevent the low ink level from causing the inability to emboss.

[0030] More specifically:

[0031] like Figure 2 , Figure 3 and Figure 5 As shown:

[0032] In an optional embodiment, the cooling assembly 17 includes a cooling roller 171, a cooling roller 172, a dehumidifier 173, an exhaust pipe 174 and a collecting tank 175. The cooling roller 171 is rotatably connected to one side of the bottom of the printing box 12. The cooling roller 172 is arranged at the upper end of the cooling roller 171. The input end of the dehumidifier 173 passes through the top inner wall of the printing box 12 and is fixedly connected to the inner wall surface of the printing box 12. The exhaust pipe 174 is fixedly connected to the output end of the dehumidifier 173. The middle part of the top of the collecting tank 175 is connected to the exhaust pipe. The bottom of 174 is fixedly connected, a feed tank 2 is also provided on one side of the ink cartridge 13, an ink pump 3 and a suction pipe 4 are also provided at the bottom of the feed tank 2, the input end of the ink pump 3 is fixedly connected to one side of the suction pipe 4, a propulsion cylinder 9, a push rod 10 and a bracket 20 are also provided on one side of the scraper 16, the piston end of the propulsion cylinder 9 is fixedly connected to one end of the push rod 10, the outer side of the push rod 10 is fixedly connected to the surface of the bracket 20, the bracket 20 is slidably connected to the inner side of the bottom of the printing box 12, and the outer side of the bracket 20 is clamped with the surface of the scraper 16.

[0033] In this embodiment: during the printing process, the stepper motor 6 inside the dust cover 5 is electrically started, and its motor shaft drives the drive shaft 7 to rotate. Under the meshing condition of the two sets of locking gears 8, the upper embossing roller 15 and the lower gravure roller 14 rotate in opposite directions at the same speed, thereby squeezing the ink in the printing pit onto the carton to achieve the printing effect. The printed carton enters and completes the transmission along the gap between the cooling roller 1 171 and the cooling roller 2 172 until it is outside the printing box body 12. During this process, multiple sets of cooling rollers 1 171 and cooling rollers 2 172 with cooling water passing through them complete the rapid cooling operation of the carton, and the internal moisture and the emitted ink can be discharged to the collection tank 175 along the exhaust pipe 174 under the negative pressure effect of the dehumidifier 173, thereby completing the rapid cooling and dehumidification operation of the printed carton to ensure the quality of the printed product.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An environmentally friendly carton printing device, comprising a high-efficiency cooling printing mechanism (1), characterized in that: The high-efficiency cooling printing mechanism (1) comprises a belt conveyor body (11), a printing box (12), an ink cylinder (13), a gravure roller (14), an impression roller (15), a scraper (16) and a cooling assembly (17), wherein the belt conveyor body (11) is arranged on one side of the printing box (12), the ink cylinder (13) is fixedly connected to the bottom of the printing box (12), the gravure roller (14) is arranged on the top of the ink cylinder (13), and the gravure roller (14) is rotatably connected to the inside of the printing box (12), the impression roller (15) is rotatably connected to the upper end of the printing box (12) close to the gravure roller (14), the tip surface of the scraper (16) is against the surface of the gravure roller (14), and the cooling assembly (17) is arranged at equal intervals inside the printing box (12).

2. The environmentally friendly carton printing device according to claim 1, characterized in that: The cooling assembly (17) comprises a cooling roller 1 (171), a cooling roller 2 (172), a dehumidifier (173), an exhaust pipe (174) and a collecting tank (175); the cooling roller 1 (171) is rotatably connected to one side of the bottom of the printing box (12); the cooling roller 2 (172) is arranged at the upper end of the cooling roller 1 (171); the input end of the dehumidifier (173) passes through the top inner wall of the printing box (12) and is fixedly connected to the inner wall surface of the printing box (12); the exhaust pipe (174) is fixedly connected to the output end of the dehumidifier (173); and the middle part of the top end of the collecting tank (175) is fixedly connected to the bottom of the exhaust pipe (174).

3. The environmentally friendly carton printing device according to claim 1, characterized in that: A feed tank (2) is also provided on one side of the ink cartridge (13).

4. The environmentally friendly carton printing device according to claim 3, characterized in that: An ink pump (3) and a suction pipe (4) are also provided at the bottom of the feed tank (2); the input end of the ink pump (3) is fixedly connected to one side of the suction pipe (4).

5. The environmentally friendly carton printing device according to claim 1, characterized in that: The outer side of the printing box (12) is also provided with a dust cover (5), a stepper motor (6), a drive shaft (7) and a locking gear (8); the dust cover (5) is fixedly connected to the outer side of the printing box (12); the motor shaft of the stepper motor (6) is fixedly connected to one end of the drive shaft (7) via a coupling; two groups of locking gears (8) are provided, and the middle parts of the two groups of locking gears (8) are fixedly connected to one side of the gravure cylinder (14) and the embossing roller (15), respectively.

6. The environmentally friendly carton printing device according to claim 1, characterized in that: A propulsion cylinder (9), a push rod (10) and a bracket (20) are also provided on one side of the scraper (16); the piston end of the propulsion cylinder (9) is fixedly connected to one end of the push rod (10); the outer side of the push rod (10) is fixedly connected to the surface of the bracket (20); the bracket (20) is slidably connected to the inner side of the bottom of the printing box (12); and the outer side of the bracket (20) is snap-fitted to the surface of the scraper (16).

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