Film laminating device for pre-coating film

By designing a combination of loading rollers and scraper racks in the coating device, the problem of adhesive dripping during film transportation is solved, uniform coating and efficient recycling of adhesives are achieved, and the quality of adhesives is improved and resources are saved.

CN222859012UActive Publication Date: 2025-05-13YANCHENG LEIKAI PACKAGING MATERIALS CO LTD
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Patent Information

Application Number
CN202421075002.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2025-05-13
Estimated Expiration
2034-05-16

AI Technical Summary

Technical Problem

Existing coating devices are prone to adhesive dripping during the film transportation process, resulting in serious waste of adhesive.

Method used

A pre-coated film coating device is designed, and the adhesive in the box is dipped by the loading roller and applied to the film. The film passes through the square groove of the scraper for removal and recycling of excess adhesive.

Benefits of technology

Achieve uniform coating of adhesives and efficient recycling of excess adhesives, improve bonding quality and save resources.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of pre-coating film laminating, and particularly relates to a pre-coating film laminating device which comprises a base, a mounting plate is welded on the base, a feeding roller is rotatably mounted on the mounting plate through a bearing, a box body is mounted on the side wall of the mounting plate, an adhesive is placed in the box body, and the feeding roller is rotatably mounted on the mounting plate through a bearing. A feeding opening is formed in the side wall of the box body, a scraping frame is installed at the position, located at the feeding opening, of the side wall of the box body, a square groove is formed in the scraping frame, a fixing frame is welded to the base, a placing rod is rotatably installed on the base through a bearing, and adhesive is smeared on a film through a feeding roller. After the film passes through the square groove of the scraping frame, the scraping frame hangs off the redundant adhesive on the film, so that the film is uniformly coated with the adhesive, and the redundant adhesive slides into the box body along the slope of the scraping frame, thereby realizing efficient recovery of the redundant adhesive, being beneficial to improving the bonding quality, and being beneficial to saving resources.
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Description

Technical Field

[0001] The utility model relates to the technical field of pre-coating film laminating, in particular to a pre-coating film laminating device. Background Art

[0002] Lamination is a processing technology that coats plastic film with adhesive and bonds it to paper printed materials after heating and pressurizing to form a paper-plastic integrated product. It can make the performance of the bonded printed materials better. In the process of laminating printed paper, a laminating device is required.

[0003] A Chinese patent with publication number CN208376190U discloses a pre-coating film laminating device, including a main body, a workbench is provided in the middle position of the surface of the main body, and the workbench is fixedly connected to the main body, a mounting groove is provided on the lower right side of the surface of the workbench, and the mounting groove is fixedly connected to the workbench. The manufacturing cost of this pre-coating film laminating device is relatively low. The pre-coating film laminating device has the advantages of simplified process, convenient operation, great production flexibility, no environmental pollution, and high production efficiency. The rubber pad can reduce the friction between the supporting foot and the ground, and has a good protective effect on the ground around the device. The anti-wear ring can reduce the friction of the guide plate on the pre-coating film, reduce the wear of the pre-coating film, and is conducive to the circulation of this pre-coating film laminating device in the market.

[0004] The existing laminating device applies adhesive to the film by rotating the feeding roller, but during the transportation of the film, the adhesive on the film may drip into the device, resulting in serious waste of adhesive. Therefore, a pre-coated film laminating device is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model proposes a pre-coating film laminating device.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: a pre-coating film laminating device described in the utility model comprises a base, a mounting plate is welded on the base, a loading roller is rotatably mounted on the mounting plate through a bearing, a first motor is mounted on the side wall of the mounting plate through a machine base, an output shaft of the first motor is fixedly connected to one end of the loading roller, a box body is mounted on the side wall of the mounting plate, an adhesive is placed inside the box body, a feeding port is provided on the side wall of the box body, a scraper frame is installed on the side wall of the box body at the feeding port, a square groove is provided on the scraper frame, a fixing frame is welded on the base, a placing rod is rotatably mounted on the base through a bearing, a film roll is placed on the placing rod, a film is wound on the film roll, the film passes through the square groove on the scraper frame, the loading roller is attached to the film, the bottom end of the loading roller is located in the box body, a connecting plate is installed on the base, A guide roller is rotatably installed on the connecting plate through a bearing, and a first support plate is welded on the base, and a first feeding assembly is installed on the first support plate. The first feeding assembly includes two groups of first rollers, and a film is placed between the two groups of first rollers. The two groups of first rollers are rotatably connected to the first support plate through a rotating shaft. The two groups of first rollers rotate relative to each other, and the two groups of first rollers convey the film, and then the film passes through a feeding roller. The feeding roller rotates, and the feeding roller dips into the adhesive in the box body during the rotation. At the same time, the feeding roller contacts the film, and the feeding roller smears the adhesive on the film. Then the film passes through the square groove of the scraper frame, and the scraper frame removes excess adhesive on the film, so that the adhesive is evenly smeared on the film, and the excess adhesive slides into the box body along the slope of the scraper frame, thereby realizing efficient recovery of excess adhesive, which is beneficial to improving the bonding quality and saving resources.

[0007] Preferably, a first gear and a second gear are fixedly sleeved on the rotating shafts of the two groups of first rollers, the first gear and the second gear are meshed with each other, a second motor is installed on the first support plate through the base, the output shaft of the second motor is fixedly connected to the rotating shaft on the first gear, a second feeding assembly is installed on the first support plate, the second feeding assembly has the same structure as the first feeding assembly, the second feeding assembly includes two groups of second rollers, a second support plate is installed on the base, a third feeding assembly is installed on the second support plate, the third feeding assembly has the same structure as the first feeding assembly, the third feeding assembly includes two groups of third rollers, two groups of second rollers and two groups of third rollers Printing paper is placed on the three rollers, a fixing platform is welded on the base, a fixing plate is installed on the side wall of the fixing platform, a heating roller and a pressing roller are rotatably installed on the fixing plate through a bearing, a placing groove is opened inside the heating roller, a heating plate is placed in the placing groove, and a film is adhered to the printing paper through an adhesive, and the printing paper runs through two groups of second rollers and two groups of third rollers, that is, the two groups of second rollers and the two groups of third rollers convey the printing paper, and the film moves with the printing paper, and when passing through the heating roller and the pressing roller, the heating roller heats the film and the printing paper, and the pressing roller presses the two, so that the film and the printing paper are bonded together, which is beneficial to improving the bonding strength.

[0008] The utility model is beneficial in that:

[0009] 1. The utility model uses two groups of first rollers to rotate relative to each other, and the two groups of first rollers convey the film, and then the film passes through the feeding roller, and the feeding roller rotates, and the feeding roller dips into the adhesive in the box body during the rotation, and the feeding roller contacts the film, and the feeding roller smears the adhesive on the film, and then the film passes through the square groove of the scraper frame, and the scraper frame removes the excess adhesive on the film, so that the adhesive is evenly smeared on the film, and the excess adhesive slides into the box body along the slope of the scraper frame, thereby realizing efficient recovery of excess adhesive, which is beneficial to improving the bonding quality and saving resources.

[0010] 2. The utility model adheres the film to the printing paper through an adhesive, and the printing paper runs through two groups of second rollers and two groups of third rollers, that is, the two groups of second rollers and two groups of third rollers convey the printing paper, and the film moves with the printing paper. When passing through the heating roller and the pressure roller, the heating roller heats the film and the printing paper, and the pressure roller presses the two, so that the film and the printing paper are bonded together, which is beneficial to improving the bonding strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of a three-dimensional structure from a first-person perspective;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of the scraper frame;

[0014] Figure 3 It is a schematic diagram of the three-dimensional structure of the feeding component;

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure of the film pressing component.

[0016] In the figure: 1. base; 2. mounting plate; 3. feeding roller; 4. first motor; 5. box body; 6. scraper frame; 7. square groove; 8. fixing frame; 9. placing rod; 10. film; 11. first supporting plate; 12. first roller; 13. first gear; 14. second gear; 15. second motor; 16. second roller; 17. second supporting plate; 18. third roller; 19. printing paper; 20. fixing table; 21. fixing plate; 22. heating roller; 23. pressing roller; 24. heating plate; 25. connecting plate; 26. guide roller. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-4As shown, a pre-coating film laminating device includes a base 1, a mounting plate 2 is welded on the base 1, a feeding roller 3 is rotatably mounted on the mounting plate 2 through a bearing, a first motor 4 is mounted on the side wall of the mounting plate 2 through a machine base, the output shaft of the first motor 4 is fixedly connected to one end of the feeding roller 3, a box body 5 is mounted on the side wall of the mounting plate 2, an adhesive is placed inside the box body 5, a feed port is opened on the side wall of the box body 5, a scraper frame 6 is installed on the side wall of the box body 5 at the feed port, a square groove 7 is opened on the scraper frame 6, a fixing frame 8 is welded on the base 1, a placing rod 9 is rotatably mounted on the base 1 through a bearing, a film roll is placed on the placing rod 9, a film 10 is wound on the film roll, and the film 10 passes through the square groove 7 on the scraper frame 6, and the feeding roller 3 is connected to the mounting plate 2 through a base. The bottom end of the feeding roller 3 is located in the box body 5, and the base 1 is provided with a connecting plate 25, and a guide roller 26 is rotatably installed on the connecting plate 25 through a bearing. A first support plate 11 is welded on the base 1, and a first feeding assembly is installed on the first support plate 11. The first feeding assembly includes two groups of first rollers 12, and a film 10 is placed between the two groups of first rollers 12. The two groups of first rollers 12 are rotatably connected to the first support plate 11 through a rotating shaft. The first gear 13 and the second gear 14 are fixedly sleeved on the rotating shafts of the two groups of first rollers 12, and the first gear 13 and the second gear 14 are meshed with each other. A second motor 15 is installed on the first support plate 11 through a machine base, and the output shaft of the second motor 15 is connected to the first gear 1 3 is fixedly connected, the first support plate 11 is equipped with a second feeding assembly, the second feeding assembly has the same structure as the first feeding assembly, the second feeding assembly includes two groups of second rollers 16, a second support plate 17 is installed on the base 1, the second support plate 17 is equipped with a third feeding assembly, the third feeding assembly has the same structure as the first feeding assembly, the third feeding assembly includes two groups of third rollers 18, the two groups of second rollers 16 and the two groups of third rollers 18 are placed with printing paper 19, a fixed platform 20 is welded on the base 1, a fixed plate 21 is installed on the side wall of the fixed platform 20, a heating roller 22 and a pressure roller 23 are rotatably installed on the fixed plate 21 through a bearing, a placement groove is opened inside the heating roller 22, and a heating plate is placed in the placement groove 24; When working, the existing laminating device rotates the feeding roller 3 to apply the adhesive on the film 10, but during the transportation of the film 10, the adhesive on the film 10 may drip into the device, resulting in serious waste of the adhesive. The second motor 15 in the first feeding component is operated to drive the shaft on the first gear 13 to rotate, and the shaft drives the first gear 13 and a group of first rollers 12 to rotate. At the same time, the first gear 13 drives the second gear 14 to rotate, and the second gear 14 drives the shaft thereon to rotate, and the shaft drives another group of first rollers 12 to rotate, so that the two groups of first rollers 12 rotate relative to each other, and the film 10 passes between the two groups of first rollers 12, and the two groups of first rollers 12 transport the film 10;Afterwards, the film 10 will pass through the feeding roller 3, which is operated by the first motor 4 to drive the feeding roller 3 to rotate. During the rotation, the feeding roller 3 will dip into the adhesive in the box body 5, and at the same time, the feeding roller 3 will contact with the film 10, and the feeding roller 3 will apply the adhesive on the film 10. Afterwards, the film 10 will pass through the square groove 7 of the scraper frame 6, and the scraper frame 6 will remove the excess adhesive on the film 10, so that the adhesive is evenly applied on the film 10, and the excess adhesive will slide into the box body 5 along the slope of the scraper frame 6, thereby realizing efficient recovery of the excess adhesive; afterward, the film 10 is adhered to the printing paper 19 through the adhesive, and the second feeding assembly and the third feeding assembly have the same structure as the first feeding assembly, that is, the second feeding assembly has The two groups of second rollers 16 rotate relatively, the two groups of third rollers 18 in the third feeding assembly rotate relatively, and the printing paper 19 runs through the two groups of second rollers 16 and the two groups of third rollers 18, that is, the two groups of second rollers 16 and the two groups of third rollers 18 convey the printing paper 19, and the film 10 moves with the printing paper 19; when passing through the heating roller 22 and the pressing roller 23, the heating roller 22 heats the film 10 and the printing paper 19, and the pressing roller 23 presses the two, so that the film 10 and the printing paper 19 are bonded together, effectively improving the bonding strength; this structure allows the adhesive on the film 10 to be evenly applied, and the excess adhesive is efficiently recycled, which is beneficial to improving the bonding quality and saving resources. ;

[0019] Working principle: the existing laminating device rotates the feeding roller 3 to apply adhesive on the film 10, but during the transportation of the film 10, the adhesive on the film 10 may drip into the device, resulting in serious waste of adhesive. The second motor 15 in the first feeding component is operated to drive the shaft on the first gear 13 to rotate, and the shaft drives the first gear 13 and a group of first rollers 12 to rotate. At the same time, the first gear 13 drives the second gear 14 to rotate, and the second gear 14 drives the shaft thereon to rotate, and the shaft drives another group of first rollers 12. The first roller 12 rotates, and the two groups of first rollers 12 rotate relative to each other. The film 10 passes between the two groups of first rollers 12, and the two groups of first rollers 12 convey the film 10. Then the film 10 passes through the feeding roller 3, and the first motor 4 operates to drive the feeding roller 3 to rotate. The feeding roller 3 dips into the adhesive in the box body 5 during the rotation process, and the feeding roller 3 contacts the film 10. The feeding roller 3 applies the adhesive to the film 10. Then the film 10 passes through the square groove 7 of the scraper frame 6, and the scraper frame 6 scrapes the excess on the film 10. The adhesive is removed by hanging, so that the adhesive is evenly applied on the film 10, and the excess adhesive will slide into the box body 5 along the slope of the scraper frame 6, thereby realizing efficient recovery of the excess adhesive; then the film 10 is adhered to the printing paper 19 by the adhesive, and the second feeding assembly and the third feeding assembly have the same structure as the first feeding assembly, that is, the two groups of second rollers 16 in the second feeding assembly rotate relatively, and the two groups of third rollers 18 in the third feeding assembly rotate relatively, and the printing paper 19 passes through the two groups of second rollers 16 and the two groups of third rollers 1 8, that is, two groups of second rollers 16 and two groups of third rollers 18 transport the printing paper 19, and the film 10 moves with the printing paper 19; when passing through the heating roller 22 and the pressing roller 23, the heating roller 22 heats the film 10 and the printing paper 19, and the pressing roller 23 presses the two, so that the film 10 and the printing paper 19 are bonded together, effectively improving the bonding strength; this structure allows the adhesive on the film 10 to be evenly applied and the excess adhesive to be efficiently recovered, which is beneficial to improving the bonding quality and saving resources.

[0020] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A pre-coating film laminating device, characterized in that : It comprises a base (1), a mounting plate (2) is welded on the base (1), a feeding roller (3) is rotatably mounted on the mounting plate (2) via a bearing, a first motor (4) is mounted on the side wall of the mounting plate (2) via a machine base, an output shaft of the first motor (4) is fixedly connected to one end of the feeding roller (3), a box body (5) is mounted on the side wall of the mounting plate (2), an adhesive is placed inside the box body (5), a feeding port is opened on the side wall of the box body (5), a scraper frame (6) is mounted on the side wall of the box body (5) at the feeding port, and the scraper frame ( A square groove (7) is provided on the scraper frame (6), a fixing frame (8) is welded on the base (1), a placing rod (9) is rotatably mounted on the base (1) via a bearing, a film roll is placed on the placing rod (9), a film (10) is wound on the film roll, the film (10) passes through the square groove (7) on the scraper frame (6), the feeding roller (3) is in contact with the film (10), the bottom end of the feeding roller (3) is located in the box body (5), a connecting plate (25) is installed on the base (1), and a guide roller (26) is rotatably mounted on the connecting plate (25) via a bearing.

2. A pre-coating film laminating device according to claim 1, characterized in that: A first support plate (11) is welded to the base (1), a first feeding assembly is mounted on the first support plate (11), the first feeding assembly comprises two groups of first rollers (12), a film (10) is placed between the two groups of first rollers (12), and the two groups of first rollers (12) are rotatably connected to the first support plate (11) via a rotating shaft.

3. A pre-coating film laminating device according to claim 2, characterized in that: A first gear (13) and a second gear (14) are fixedly sleeved on the rotating shafts of the two groups of first rollers (12), respectively, and the first gear (13) and the second gear (14) are meshed with each other.

4. A pre-coating film laminating device according to claim 2, characterized in that: A second motor (15) is mounted on the first support plate (11) via a machine base, and an output shaft of the second motor (15) is fixedly connected to a rotating shaft on the first gear (13).

5. A pre-coating film laminating device according to claim 2, characterized in that: The first support plate (11) is installed with a second feeding assembly, the second feeding assembly has the same structure as the first feeding assembly, and the second feeding assembly includes two groups of second rollers (16). The base (1) is installed with a second support plate (17), and the second support plate (17) is installed with a third feeding assembly, the third feeding assembly has the same structure as the first feeding assembly, and the third feeding assembly includes two groups of third rollers (18), and printing paper (19) is placed on the two groups of second rollers (16) and the two groups of third rollers (18).

6. A pre-coating film laminating device according to claim 1, characterized in that: A fixing platform (20) is welded on the base (1), a fixing plate (21) is mounted on the side wall of the fixing platform (20), a heating roller (22) and a pressure roller (23) are rotatably mounted on the fixing plate (21) via bearings, a placement groove is provided inside the heating roller (22), and a heating plate (24) is placed in the placement groove.

Citation Information

Patent Citations

  • Membrane tectorial membrane device of precoating

    CN208376190U