Die cutting device for paper meal box production

Abstract

A die cutting device for paper meal box production comprises a die cutting machine with a conveying belt, a pressing roller used for pressing meal box paper conveyed through the conveying belt is arranged on the die cutting machine, mounting rods are symmetrically arranged at the top of the die cutting machine, a fixing shaft rotationally connected is arranged between the mounting rods, and the pressing roller is located on the fixing shaft. A detachable mounting box is arranged on the mounting rod, cleaning cylinders used for cleaning the pressing roller are arranged in the mounting box, the number of the cleaning cylinders is two, namely the first cleaning cylinder and the second cleaning cylinder, and mounting shafts rotationally connected with the inner wall of the mounting box are arranged at the two ends of the first cleaning cylinder and the two ends of the second cleaning cylinder correspondingly; the peripheral surfaces of the first cleaning cylinder and the second cleaning cylinder are attached to the peripheral surface of the pressing roller; the lunch box cleaning device is simple and reasonable in structure, and can effectively clean the pressing roller, so that damage to printed matters on the surface of a lunch box caused by excessive dirt accumulation on the pressing roller is avoided.

Description

Technical Field

[0001] The utility model relates to the field of lunch box production, and particularly to a die-cutting device for paper lunch box production. Background Art

[0002] In the production process of paper lunch boxes, a die-cutting machine is usually used to cut the paper for making lunch boxes into the required shapes and then fold them into paper lunch boxes. During the use of the die-cutting machine, the pressing roller and the conveyor belt cooperate to convey the lunch box paper wound on the reel forward to the cutting process for cutting. It is found during the use that since the surface of the lunch box paper is printed with patterns and logos, the extrusion of the pressing roller and the conveyor belt on the lunch box paper during the conveying process easily causes the surface of the pressing roller to be contaminated with the dirt of the printing coating. When the contaminated dirt is excessive, the surface of the pressing roller becomes sticky, which will cause the pressing roller to adhere to the printed matter on the surface of the lunch box, resulting in the damage of the printed matter. Summary of the Utility Model

[0003] The utility model aims to provide a die-cutting device for paper lunch box production to reduce the damage of printed matter during the die-cutting process of lunch boxes.

[0004] To solve the above technical problems, the specific scheme adopted by the utility model is as follows:

[0005] A die-cutting device for paper lunch box production, including a die-cutting machine with a conveyor belt. A pressing roller for pressing the lunch box paper conveyed by the conveyor belt is arranged on the die-cutting machine. Mounting rods are symmetrically arranged at the top of the die-cutting machine. A fixed shaft is rotatably connected between the mounting rods. The pressing roller is arranged on the fixed shaft. A detachable mounting box is arranged on the mounting rod. A cleaning cylinder for cleaning the pressing roller is arranged in the mounting box. The number of cleaning cylinders is two, namely a first cleaning cylinder and a second cleaning cylinder. Both ends of the first cleaning cylinder and the second cleaning cylinder are provided with mounting shafts rotatably connected to the inner wall of the mounting box. The circumferences of the first cleaning cylinder and the second cleaning cylinder are in contact with the circumference of the pressing roller.

[0006] A scraping plate extending downward is arranged inside the mounting box. The scraping plate is in contact with the circumference of the pressing roller for scraping off the dirt on the circumference of the pressing roller.

[0007] A second gear is arranged on the mounting shaft. First gears meshing with the second gear are arranged on the mounting shafts. During the rotation of the mounting shafts, the first gears are driven to rotate by the second gears to drive the first cleaning cylinder and the second cleaning cylinder to clean the pressing roller.

[0008] An installation plate is provided on the installation rod, and the included angle between the installation plate and the installation rod is 90°. Two fixing holes are correspondingly provided on the installation plate, and fixing grooves corresponding to the fixing holes are provided on the top of the installation box. A fixing bolt connected by thread is installed in the fixing hole, and the end of the fixing bolt is rotatably connected in the fixing groove.

[0009] The interior of the second cleaning cylinder is a hollow structure. Water injection holes are formed on the circumferential surface of the second cleaning cylinder, and sealing covers are installed on the water injection holes. A number of water outlet holes are arranged at intervals on the circumferential surface of the second cleaning cylinder, and a sponge sleeve covering the outside of the water outlet holes is sleeved outside the second cleaning cylinder.

[0010] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0011] By arranging an installation box above the pressing rod, and arranging a first cleaning cylinder and a second cleaning cylinder capable of cleaning the pressing rod in the installation box to timely clean the dirt stained on the surface of the pressing rod, avoiding sticking due to excessive accumulation, thereby causing damage to the printed matter. And the scraper arranged in the installation box can effectively scrape the dirt remaining on the surface of the pressing rod in time. The installation box is fixed by fixing bolts, and the installation box can be removed, so as to inject water into the second cleaning cylinder, thereby facilitating wetting the dirt on the surface of the pressing rod for subsequent cleaning; the structure of the utility model is simple and reasonable, and can effectively clean the pressing rod, thereby avoiding damage to the printed matter on the surface of the lunch box caused by excessive accumulation of dirt on the pressing rod. Description of the Drawings

[0012] Figure 1 is a schematic structural diagram of the utility model;

[0013] Figure 2 is a schematic cross-sectional structure diagram of the utility model;

[0014] Figure 3 is an enlarged schematic diagram of the structure at A of the utility model;

[0015] Figure 4 is a schematic structural diagram of the second cleaning cylinder of the utility model;

[0016] Reference numerals: die cutting machine 1; reel 2; conveyor belt 3; installation rod 4; installation plate 5; fixing bolt 6; installation box 7; scraper 8; first cleaning cylinder 9; second cleaning cylinder 10; installation shaft 11; first gear 12; pressing rod 13; fixed shaft 14; second gear 15; sponge sleeve 16 Detailed Description of the Invention

[0017] A die-cutting device for producing paper lunch boxes, comprising a die-cutting machine 1 with a conveyor belt 3. A pressing rod 13 for pressing the lunch box paper conveyed by the conveyor belt 3 is provided on the die-cutting machine 1. Mounting rods 4 are symmetrically arranged at the top of the die-cutting machine 1. A fixed shaft 14 is rotatably connected between the mounting rods 4. The pressing rod 13 is arranged on the fixed shaft 14. A detachable mounting box 7 is provided on the mounting rod 4. A cleaning cylinder for cleaning the pressing rod 13 is arranged in the mounting box 7. The number of cleaning cylinders is two, namely a first cleaning cylinder 9 and a second cleaning cylinder 10. Both ends of the first cleaning cylinder 9 and the second cleaning cylinder 10 are provided with mounting shafts 11 rotatably connected to the inner wall of the mounting box 7. The circumferences of the first cleaning cylinder 9 and the second cleaning cylinder 10 are in contact with the circumference of the pressing rod 13. A second gear 15 is provided on the mounting shaft 11. First gears 12 meshing with the second gear 15 are provided on the mounting shafts 11. During the rotation of the mounting shafts 11, the first gears 12 are driven to rotate by the second gear 15 to drive the first cleaning cylinder 9 and the second cleaning cylinder 10 to clean the pressing rod 13. A scraping plate 8 extending downward is arranged inside the mounting box 7. The scraping plate 8 is in contact with the circumference of the pressing rod 13 and is used to scrape off the dirt on the circumference of the pressing rod 13.

[0018] As Figure 1 shown, a mounting plate 5 is provided on the mounting rod 4. The angle between the mounting plate 5 and the mounting rod 4 is 90°. Two fixing holes are correspondingly provided on the mounting plate 5. Fixing grooves corresponding to the fixing holes are provided at the top of the mounting box 7. A fixing bolt 6 connected by thread is fitted in the fixing hole. The end of the fixing bolt 6 is rotatably connected in the fixing groove. The main function of the fixing bolt 6 is to press the mounting box 7 against the pressing rod 13, so that the first gear 12 and the second gear 15 are meshed, and the fixing shaft 14 can drive the mounting shaft 11 to rotate during the rotation process, so that the first cleaning cylinder 9 and the second cleaning cylinder 10 can clean the pressing rod 13.

[0019] The inside of the second cleaning cylinder 10 is a hollow structure. Water injection holes are provided on the circumference of the second cleaning cylinder 10. Sealing caps are fitted on the water injection holes. A number of water outlet holes are spaced on the circumference of the second cleaning cylinder 10. A sponge sleeve 16 covering the water outlet holes is sleeved outside the second cleaning cylinder 10. A sponge sleeve is also sleeved on the circumference of the first cleaning cylinder 9. The water in the second cleaning cylinder 10 can wet the pressing rod 13 through the sponge sleeve 16, making the dirt easier to be scraped off by the scraping plate 8, and then the water is absorbed clean by the sponge sleeve on the first cleaning cylinder 9, so as to achieve the purpose of completing the cleaning.

[0020] The usage method of the present utility model is briefly described as follows:

[0021] When in use, the lunch box paper is wound around the reel 2, and the conveyor belt 3 drives the lunch box paper for transportation. The lunch box paper enters the die-cutting process for die-cutting work. The pressing rod 13 above the conveyor belt presses the lunch box paper on the conveyor belt 3 to facilitate the conveyor belt 3 to transport it. When the pressing rod 13 is contaminated with the printing coating on the surface of the lunch box paper, it is cleaned by the first cleaning cylinder 9 and the second cleaning cylinder 10 in the installation box 7. During the cleaning process, the second cleaning cylinder 10 will wet the pressing rod 13, and the scraper 8 will scrape off the wetted dirt, and then the first cleaning cylinder 9 will dry the wetted pressing rod 13 to complete the cleaning. The pressing rod 13 will rotate during the transportation of the lunch box paper. During the rotation process, it drives the fixed shaft 14 to rotate. During the rotation of the fixed shaft 14, it drives the second gear 15 to rotate. The first gear 12 and the second gear 15 are meshed, so the second gear 15 can be driven to rotate through the first gear 12. During the rotation of the second gear 15, it drives the installation shaft 11 to rotate. The installation shaft 11 drives the first cleaning cylinder 9 and the second cleaning cylinder 10 to rotate, thereby enhancing the cleaning effect.

Claims

1. A die-cutting device for producing paper lunch boxes, comprising a die-cutting machine (1) having a conveyor belt (3), the die-cutting machine (1) being provided with a pressing rod (13) for pressing lunch box paper conveyed by the conveyor belt (3), wherein: The die-cutting machine (1) is symmetrically provided with mounting rods (4) at the top, and a rotatably connected fixed shaft (14) is provided between the mounting rods (4). The pressing rod (13) is arranged on the fixed shaft (14). A detachable mounting box (7) is provided on the mounting rod (4). A cleaning cylinder for cleaning the pressing rod (13) is provided in the mounting box (7). The number of the cleaning cylinders is two, namely a first cleaning cylinder (9) and a second cleaning cylinder (10). Both ends of the first cleaning cylinder (9) and the second cleaning cylinder (10) are provided with mounting shafts (11) rotatably connected to the inner wall of the mounting box (7). The circumferential surfaces of the first cleaning cylinder (9) and the second cleaning cylinder (10) are in contact with the circumferential surface of the pressing rod (13).

2. The die-cutting device for producing paper lunch boxes according to claim 1, characterized in that: A scraper (8) extending downward is provided inside the installation box (7), and the scraper (8) is in contact with the peripheral surface of the pressing rod (13) and is used to scrape away dirt on the peripheral surface of the pressing rod (13).

3. The die-cutting device for producing paper lunch boxes according to claim 1, characterized in that: The installation shaft (11) is provided with a second gear (15), and the installation shaft (11) is provided with a first gear (12) meshing with the second gear (15). When the installation shaft (11) rotates, the second gear (15) drives the first gear (12) to rotate, thereby driving the first cleaning cylinder (9) and the second cleaning cylinder (10) to clean the pressing rod (13).

4. The die-cutting device for producing paper lunch boxes according to claim 1, characterized in that: The mounting rod (4) is provided with a mounting plate (5), the angle between the mounting plate (5) and the mounting rod (4) is 90 degrees, the mounting plate (5) is provided with two fixing holes, the top of the mounting box (7) is provided with fixing grooves corresponding to the fixing holes, the fixing holes are equipped with threaded fixing bolts (6), and the ends of the fixing bolts (6) are rotatably connected to the fixing grooves.

5. The die-cutting device for producing paper lunch boxes according to claim 3, characterized in that: The interior of the second cleaning cylinder (10) is a hollow structure. A water injection hole is provided on the circumference of the second cleaning cylinder (10). A sealing cover is mounted on the water injection hole. A plurality of water outlet holes are provided at intervals on the circumference of the second cleaning cylinder (10). The exterior of the second cleaning cylinder (10) is provided with a sponge cover (16) covering the outside of the water outlet holes.

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