Film coating device for food packaging film coated paper
By introducing a chute and threaded rod structure into the coating device, the problem of coating adhesive falling and accumulating inside the frame was solved, realizing the automatic collection and separation of coating adhesive and improving the ease of operation for staff.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-19
- Publication Date
- 2026-03-31
AI Technical Summary
In existing coating equipment, the coating adhesive is prone to falling off and accumulating on the bottom wall of the frame during the coating process, which requires manual collection by staff, is time-consuming and labor-intensive, and results in a poor user experience.
Design a coating device for food packaging coated paper, including a frame, a storage roller, a coating roller, a heating roller, an output roller and a collection box. The collection box is equipped with a sliding groove and a threaded rod. Through the cooperation of the threaded rod and the sliding plate, the coating liquid can be automatically collected and separated, reducing the difficulty of manual operation.
It enables the automatic collection and separation of coating adhesive, reducing the operational difficulty for staff and improving the user experience.
Smart Images

Figure CN224063175U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of papermaking equipment technology, and in particular to a coating device for food packaging coated paper. Background Technology
[0002] Coated paper is a composite material in which plastic particles are coated onto the surface of paper using a casting machine. Its main characteristics are that this composite material is oil-proof, waterproof (relatively speaking), and heat-sealed. Different uses take advantage of different characteristics.
[0003] Chinese utility model patent CN206168682U discloses a coating device in a disposable paper cup making machine, including a frame. The frame is equipped with a coating mechanism, a smoke exhaust mechanism, and a drive mechanism. The smoke exhaust mechanism is located above the coating mechanism. The coating mechanism is connected to the drive mechanism. The coating mechanism includes a storage roller, a first transition roller, a glue-coating roller, an output roller, and a second transition roller. The storage roller, the first transition roller, the glue-coating roller, the output roller, and the second transition roller are arranged sequentially on the frame according to the conveying direction of the paper cup base paper. A heating tube is arranged in the center of the glue-coating roller, and a liquid storage space is formed between the heating tube and the outer wall of the glue-coating roller. Several liquid outlet holes are evenly arranged on the outer wall of the glue-coating roller. A glue brush is provided on the outer wall of the glue-coating roller. The design of the heating tube inside the glue-coating roller ensures that the glue liquid does not become viscous or freeze inside the glue-coating roller.
[0004] Regarding the aforementioned technologies, the inventors believe the following drawbacks exist: In practice, the coating adhesive tends to fall downwards during the coating process using a coating roller, eventually accumulating on the inner bottom wall of the machine frame. This requires manual collection of the fallen adhesive, which is time-consuming, labor-intensive, and results in a poor user experience. Utility Model Content
[0005] To address the aforementioned problems, this utility model provides a coating device for food packaging coated paper.
[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a coating device for food packaging coated paper, comprising a frame, a storage roller disposed within the frame, a first transition roller disposed within the frame, a coating roller disposed within the frame, a heating roller disposed within the frame, a plurality of output rollers equally spaced on the inner wall of the frame, and a second transition roller disposed within the frame. A first sliding groove is provided on the side wall of the frame, and a second sliding groove is provided on the inner wall of the frame. A collection box with an open top is slidably disposed in both the first and second sliding grooves. Auxiliary components for reducing the difficulty for workers to separate the coating liquid in the collection box are provided on the four inner walls of the collection box.
[0007] By adopting the above technical solution, when workers need to coat the base paper, they must pass one end of the base paper through the feed inlet on the frame and extend it out of the frame through the discharge outlet. During this process, the base paper simultaneously presses against components such as the storage roller, the first transition roller, the coating roller, the heating roller, the output roller, and the second transition roller. Subsequently, the workers need to drive the heating roller to rotate, which gradually moves the base paper, causing the coating liquid on the coating roller to gradually move to the base paper and eventually penetrate the base paper to move into the collection box, where the collection box collects the coating liquid, thus reducing the difficulty for workers in collecting the coating liquid.
[0008] Furthermore, each of the four inner walls of the collection box is provided with a sliding groove. The auxiliary component includes a sliding plate that is slidably disposed in the sliding groove and a threaded rod that is rotatably disposed on the side wall of the sliding plate. The other end of the threaded rod extends to the outside of the collection box and is threadedly connected.
[0009] By adopting the above technical solution, after the collection box collects the adhesive liquid, the liquid easily adheres to the inner wall of the collection box after cooling. At this time, the operator needs to rotate the four threaded rods in sequence to move the four sliding plates away from the central axis of the collection box, thereby separating the four sliding plates from the clumps of adhesive liquid. Furthermore, the operator only needs to pull the clumps of adhesive liquid upwards to separate the adhesive liquid from the collection box, thus reducing the difficulty for the operator in separating the adhesive liquid from the collection box.
[0010] Furthermore, each of the four threaded rods has a limiting plate fixed to its sidewall for limiting the sliding plate.
[0011] By adopting the above technical solution, after the worker separates the adhesive from the collection box, the worker needs to reset the sliding plate. At this time, the worker needs to rotate the threaded rod, which will cause the sliding plate to move and reset along with the threaded rod. Subsequently, when the sliding plate is flush with the inner wall of the collection box, the limiting plate abuts against the inner wall of the collection box, thereby limiting the sliding plate and reducing the difficulty for the worker to judge the position of the limiting plate.
[0012] Furthermore, a baffle for blocking the collection box is provided on the inner wall of the second chute.
[0013] Furthermore, the bottom surface of the collection box is flush with the inner bottom wall of the frame.
[0014] By adopting the above technical solution, when the staff connects the collection box to the frame, the inner bottom wall of the frame supports the collection box, thereby improving the staff's experience in installing the collection box.
[0015] Furthermore, the bottom surface of the collection box is equipped with multiple ball bearings to improve the stability of the collection box.
[0016] Furthermore, each of the four threaded rods has a rotating block fixed to its end to reduce the difficulty for workers to rotate the threaded rods.
[0017] By adopting the above technical solution, when the operator needs to rotate the threaded rod, the operator only needs to rotate the rotating block, thereby reducing the difficulty of operation for the operator.
[0018] Furthermore, the side wall of the collection box is provided with a handle to reduce the difficulty for workers to move the collection box.
[0019] In summary, this utility model has the following beneficial effects:
[0020] 1. In this application, when the worker needs to coat the base paper, one end of the base paper must pass through the feed inlet on the frame and extend out of the frame through the discharge outlet. During this process, the base paper simultaneously presses against components such as the storage roller, the first transition roller, the coating roller, the heating roller, the output roller, and the second transition roller. Subsequently, the worker needs to drive the heating roller to rotate, which gradually moves the base paper, thereby causing the coating liquid on the coating roller to gradually move to the base paper and eventually penetrate the base paper and move into the collection box, whereby the collection box collects the coating liquid, thus reducing the difficulty for the worker in collecting the coating liquid.
[0021] 2. In this application, after the collection box collects the adhesive liquid, the liquid tends to adhere to the inner wall of the collection box after cooling. At this point, the operator needs to rotate the four threaded rods sequentially to move the four sliding plates away from the central axis of the collection box, thereby separating the four sliding plates from the clumps of adhesive liquid. Furthermore, the operator only needs to pull the clumps of adhesive liquid upwards to separate the liquid from the collection box, thus reducing the difficulty for the operator in separating the adhesive from the collection box.
[0022] 3. In this application, after the worker separates the adhesive from the collection box, the worker needs to reset the sliding plate. At this time, the worker needs to rotate the threaded rod, which will cause the sliding plate to move with the threaded rod and reset. Subsequently, when the sliding plate is flush with the inner wall of the collection box, the limiting plate abuts against the inner wall of the collection box, thereby limiting the sliding plate and reducing the difficulty for the worker to judge the position of the limiting plate. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;
[0024] Figure 2 This is a schematic diagram of the second slide groove and its connection structure according to an embodiment of the present utility model;
[0025] Figure 3This is a schematic diagram of the output roller and its connection structure according to an embodiment of the present invention;
[0026] Figure 4 This is a schematic diagram of the threaded rod and its connection structure according to an embodiment of the present utility model;
[0027] Figure 5 This is a schematic diagram of the auxiliary components and their connection structure according to an embodiment of the present utility model;
[0028] Figure 6 This is a schematic diagram of the ball bearing and its connection structure according to an embodiment of the present invention.
[0029] In the diagram: 1. Frame; 11. Storage roller; 2. First transition roller; 21. Glue-applying roller; 3. Heating roller; 31. Output roller; 32. Second transition roller; 4. First chute; 41. Second chute; 5. Collection box; 51. Sliding groove; 6. Auxiliary components; 61. Sliding plate; 62. Threaded rod; 7. Limiting plate; 71. Baffle; 8. Ball bearing; 81. Rotating block; 9. Handle. Detailed Implementation
[0030] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0031] like Figure 1-6 As shown in the embodiment of this application, a coating apparatus for food packaging coated paper is disclosed, including a frame 1, a storage roller 11, a first transition roller 2, a coating roller 21, a heating roller 3, an output roller 31, a second transition roller 32, a collection box 5, auxiliary components 6, a limiting plate 7, a baffle 71, ball bearings 8, a rotating block 81, and a handle 9. The storage roller 11 and the first transition roller 2 are disposed inside the frame 1. The coating roller 21 and the heating roller 3 are disposed on the inner wall of the frame 1. Multiple output rollers 31 are provided and evenly distributed on the inner wall of the frame 1, and the second transition roller 32 is disposed on the inner wall of the frame 1. A first groove 4 is provided on the side wall of the frame 1, and a second groove 41 is provided on the inner wall of the frame 1. The collection box 5 is a cuboid structure with an open top, and the collection box 5 is slidably disposed within the first groove 4 and the second groove 41.
[0032] The collection box 5 has sliding grooves 51 on each of its four inner walls. Four auxiliary components 6 are arranged sequentially on the four inner walls of the collection box 5 to reduce the difficulty for workers in separating the coating solution inside the collection box 5. Each auxiliary component 6 includes a sliding plate 61 and a threaded rod 62. The sliding plate 61 is a rectangular plate structure and is slidably disposed within the sliding grooves 51. The threaded rod 62 is rotatably disposed on the side wall of the sliding plate 61, with its other end extending to the outside of the collection box 5 and threadedly connected.
[0033] After the collection box 5 collects the adhesive liquid, the liquid tends to adhere to the inner wall of the collection box 5 after cooling. At this point, the operator needs to rotate the four threaded rods 62 in sequence to move the four sliding plates 61 away from the central axis of the collection box 5, thereby separating the four sliding plates 61 from the clumps of adhesive liquid. Furthermore, the operator only needs to pull the clumps of adhesive liquid upwards to separate the adhesive liquid from the collection box 5, thus reducing the difficulty of separating the adhesive liquid from the collection box 5.
[0034] The limiting plate 7 is a circular plate structure. Four limiting plates 7 are provided and are fixed sequentially to the side walls of four threaded rods 62 to limit the sliding plate 61. After the worker separates the adhesive liquid from the collection box 5, the worker needs to reset the sliding plate 61. At this time, the worker needs to rotate the threaded rod 62 to make the sliding plate 61 move with the threaded rod 62 and reset. Subsequently, when the sliding plate 61 is flush with the inner wall of the collection box 5, the limiting plate 7 presses against the inner wall of the collection box 5, thereby limiting the sliding plate 61 and reducing the difficulty for the worker to judge the position of the limiting plate 7.
[0035] The baffle 71 is a rectangular plate structure, which is set on the inner wall of the second slide groove 41 to block the collection box 5. The bottom surface of the collection box 5 is flush with the inner bottom wall of the frame 1. When the operator connects the collection box 5 to the frame 1, the inner bottom wall of the frame 1 supports the collection box 5, thereby improving the operator's experience in installing the collection box 5.
[0036] The ball bearing 8 has a spherical structure, and multiple ball bearings 8 are arranged sequentially on the bottom surface of the collection box 5 to improve the stability of the collection box 5. The rotating block 81 has a block-shaped structure, and four rotating blocks 81 are arranged sequentially at the ends of the four threaded rods 62 to reduce the difficulty for workers to rotate the threaded rods 62.
[0037] When the operator needs to rotate the threaded rod 62, the operator only needs to rotate the rotating block 81, which reduces the difficulty of operation for the operator.
[0038] To reduce the difficulty for staff to move the collection box 5, a handle 9 is provided on the side wall of the collection box 5.
[0039] The working principle of the coating device for food packaging coated paper in this embodiment is as follows: When the operator needs to coat the base paper, one end of the base paper needs to pass through the feed port on the frame 1 and extend out of the frame 1 through the discharge port. During this process, the base paper simultaneously presses against components such as the storage roller 11, the first transition roller 2, the coating roller 21, the heating roller 3, the output roller 31, and the second transition roller 32. Subsequently, the operator needs to drive the heating roller 3 to rotate, which will gradually move the base paper, thereby causing the coating liquid on the coating roller 21 to gradually move to the base paper and eventually penetrate the base paper and move into the collection box 5, so that the collection box 5 can collect the coating liquid, thereby reducing the difficulty for the operator to collect the coating liquid.
[0040] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.
Claims
1. A coating apparatus for food packaging coated paper, comprising a frame (1), a storage roller (11) disposed within the frame (1), a first transition roller (2) disposed within the frame (1), a coating roller (21) disposed within the frame (1), a heating roller (3) disposed within the frame (1), a plurality of output rollers (31) equally spaced on the inner wall of the frame (1), and a second transition roller (32) disposed within the frame (1), characterized in that: The frame (1) has a first sliding groove (4) on its side wall and a second sliding groove (41) on its inner wall. A collection box (5) with an open top is slidably arranged in the first sliding groove (4) and the second sliding groove (41). The four inner walls of the collection box (5) are provided with auxiliary components (6) to reduce the difficulty for workers to separate the coating liquid in the collection box (5).
2. The coating apparatus for food packaging coated paper according to claim 1, characterized in that: The collection box (5) has sliding grooves (51) on its four inner walls. The auxiliary component (6) includes a sliding plate (61) that is slidably disposed in the sliding groove (51) and a threaded rod (62) that is rotatably disposed on the side wall of the sliding plate (61). The other end of the threaded rod (62) extends to the outside of the collection box (5) and is threadedly connected.
3. The coating apparatus for food packaging coated paper according to claim 2, characterized in that: Each of the four threaded rods (62) has a limiting plate (7) fixed on its side wall for limiting the sliding plate (61).
4. The coating apparatus for food packaging coated paper according to claim 3, characterized in that: The inner wall of the second chute (41) is provided with a baffle (71) for blocking the collection box (5).
5. The coating apparatus for food packaging coated paper according to claim 4, characterized in that: The bottom surface of the collection box (5) is flush with the inner bottom wall of the frame (1).
6. The coating apparatus for food packaging coated paper according to claim 5, characterized in that: The bottom surface of the collection box (5) is equipped with multiple ball bearings (8) to improve the stability of the collection box (5).
7. The coating apparatus for food packaging coated paper according to claim 6, characterized in that: Each of the four threaded rods (62) has a rotating block (81) fixed to its end to reduce the difficulty for workers to rotate the threaded rods (62).
8. The coating apparatus for food packaging coated paper according to claim 7, characterized in that: The side wall of the collection box (5) is provided with a handle (9) to reduce the difficulty for staff to move the collection box (5).
Citation Information
Patent Citations
Drench membrane device in disposable paper cup system cup machine
CN206168682U