PE film coating device

Abstract

The utility model discloses a PE (polyethylene) film coating device which comprises an unwinding rod, a winding rod and a fixed base, the unwinding rod is movably mounted on the inner side of one end of the fixed base, and the winding rod is movably mounted on the inner side of the other end of the fixed base; the outer surface of the unwinding rod and the outer surface of the winding rod are each movably sleeved with two sets of limiting chucks, and sliding grooves used in cooperation with the limiting chucks are formed in the outer surface of the unwinding rod and the outer surface of the winding rod. A coating roller is movably installed in the middle of the upper end of the fixed base, a fixed pressing roller is movably installed at the position, above the coating roller, of the middle of the upper end of the fixed base, the fixed pressing roller and the fixed base are movably connected through two sets of lifting frames, and a material groove used in cooperation with the coating roller is formed in the middle of the upper end of the fixed base; the coating thickness of the PE film can be accurately controlled, so that the coating thickness of the PE film is uniform, the phenomenon that the PE film is wrinkled in the coating process is avoided, and the coating quality of the PE film is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of PE film processing, in particular to a PE film coating device. Background Art

[0002] The PE film coating device is a device used in the PE film processing process to coat specific materials on the surface of the PE film according to the characteristics of the PE film material. It is mainly composed of a coating roller, a motor and a guide structure. It can be used to increase the use effect of the PE film and select the corresponding coating material according to the use requirements.

[0003] Prior art CN115228668A records a novel rapid coating equipment for PE heat shrinkable film, comprising a box body, a first coating box, a second coating box, a first scraper seat, a second scraper seat, a first guide roller, a bottom path roller, a top path roller and a second guide roller. The top left side of the box body is fixedly connected to the first coating box, and the inner wall of the box body is provided with a first scraper seat at the right end of the bottom of the first coating box. The left side of the middle end of the top of the box body is fixedly connected to the second coating box, and the inner wall of the box body is provided with a second scraper seat at the right end of the bottom of the second coating box. The bottom of the first coating box is provided with primary nozzles in sequence, and the bottom of the second coating box is provided with secondary nozzles in sequence. It relates to the technical field of coating equipment, improves the ability to maintain rapid coating in various processing conditions, and alleviates the problem of requiring an excessively long cooling and solidification path after coating.

[0004] The above-mentioned device has certain shortcomings when performing PE film coating operations. It only has a single coating structure. When performing PE film coating operations, it is impossible to accurately control the coating thickness on the surface of the PE film, which makes it easy for the PE film to have uneven thickness locally, thereby reducing the coating accuracy of the PE film; secondly, the above-mentioned device does not have an auxiliary positioning function when performing PE film coating operations, which makes it easy for the PE film to tilt or wrinkle during the unwinding and winding process, thereby affecting the coating quality of the PE film and having a single functionality. Utility Model Content

[0005] The problem solved by the utility model is:

[0006] 1. The above device has certain shortcomings when performing PE film coating operations. It only has a single coating structure. When performing PE film coating operations, it is impossible to accurately control the coating thickness on the surface of the PE film, which makes it easy for the PE film to have uneven thickness locally, thereby reducing the coating accuracy of the PE film;

[0007] 2. The above device does not have an auxiliary positioning function when performing PE film coating operations, so that the PE film is prone to tilt or wrinkles during unwinding and rewinding, thereby affecting the coating quality of the PE film and having a single functionality.

[0008] The purpose of the utility model can be achieved through the following technical solutions:

[0009] A PE film coating device comprises a unwinding rod, a reeling rod and a fixed base, wherein the unwinding rod is movably mounted on the inner side of one end of the fixed base, and the reeling rod is movably mounted on the inner side of the other end of the fixed base; the outer surfaces of the unwinding rod and the reeling rod are movably sleeved with two groups of limit chucks, and the outer surfaces of the unwinding rod and the reeling rod are provided with slide grooves for cooperating with the limit chucks; a coating roller is movably mounted on the middle part of the upper end of the fixed base, and a fixed pressure roller is movably mounted on the middle part of the upper end of the fixed base above the coating roller, the fixed pressure roller and the fixed base are movably connected by two groups of lifting frames, and a material trough for cooperating with the coating roller is provided on the middle part of the upper end of the fixed base.

[0010] As a further technical solution of the utility model, a limiting scraper is provided at the upper end of the fixed base located at the lower position of the fixed pressure roller, and the limiting scraper is arranged at an angle as a whole. The limiting scraper and the fixed base are movably connected by two lifting sleeves. By utilizing the setting of the limiting scraper, excess material on the surface of the PE film can be scraped off to improve the coating accuracy of the PE film. Secondly, the lifting sleeve can be used to adjust the use height of the limiting scraper, and the lifting sleeve and the limiting scraper are locked and fixed by a bolt.

[0011] As a further technical solution of the utility model, the two ends of the fixed pressure roller and the lifting frame are movably connected through a lifting sleeve, and the middle part of the lifting sleeve is provided with an adjusting bolt used in conjunction with the lifting frame. The user can rotate the adjusting bolt according to the coating thickness of the PE film and use the adjusting bolt to drive the lifting sleeve, so that the lifting sleeve drives the fixed pressure roller to move up and down, thereby adjusting the distance between the fixed pressure roller and the coating roller.

[0012] As a further technical solution of the utility model, the unwinding rod and the limit chuck as well as the rewinding rod and the limit chuck are locked and fixed by a fastening bolt, and one end of the fastening bolt is provided with a fixed clamp used in conjunction with the slide groove. In order to prevent the PE film coating from tilting and wrinkling during the transportation process, the position of the limit chucks of the rewinding rod and the unwinding rod is adjusted, so that the PE film coating can maintain a uniform position during the unwinding and rewinding processes, and can be adjusted arbitrarily according to the width of the PE film material.

[0013] As a further technical solution of the utility model, the upper end of the fixed base is located on one side of the lifting frame and a second guide frame is movably installed, and the upper end of the fixed base is located on the other side of the lifting frame and a first guide frame is movably installed.

[0014] As a further technical solution of the utility model, two groups of rollers are provided inside the second guide frame and the first guide frame, and the two groups of rollers are arranged side by side up and down. The second guide frame and the first guide frame cooperate with the roller structure to guide the transportation of the PE film.

[0015] The beneficial effects of the utility model are as follows: the utility model provides a fixed pressure roller and a limiting scraper, so that when the PE film coating device is used, it has a dual coating thickness adjustment structure, which can accurately control the coating thickness of the material on the surface of the PE film and avoid uneven coating on the surface of the PE film. During operation, the user can rotate the adjustment bolt according to the coating thickness of the PE film, and use the adjustment bolt to drive the lifting sleeve, so that the lifting sleeve drives the fixed pressure roller to move up and down, thereby adjusting the distance between the fixed pressure roller and the coating roller. During the coating operation, the coating roller is driven to rotate by the motor, so that the surface of the coating roller is coated with the material in the feeding trough during the rotation process. When the PE film contacts the coating roller, the coating operation is completed. By controlling the position of the fixed pressure roller, the thickness of the PE film when it moves can be controlled, and the excess coating material can be squeezed out. By using the setting of the limiting scraper, the excess material on the surface of the PE film can be scraped off from the bottom, thereby improving the coating accuracy of the PE film. Secondly, the lifting sleeve rod can be used to adjust the use height of the limiting scraper, so that it can be adjusted according to the coating thickness.

[0016] By setting a limit chuck, when the PE film coating device is used, it has an auxiliary positioning function and can be adjusted arbitrarily according to the width of the PE film to avoid wrinkles in the PE film when it is rolled up and released. During operation, the position of the limit chuck on the winding rod and the unwinding rod can be adjusted to keep the PE film coating in a uniform position during the unwinding and winding processes. The limit chuck can limit the position of the PE film on the unwinding rod and the winding rod. When the limit chuck moves to the corresponding position on the unwinding rod and the winding rod, the limit chuck can be locked and fixed by rotating the fastening bolt. At the same time, it can be adjusted arbitrarily according to the width of the PE film material to avoid shaking of the PE film material during unwinding and winding, thereby improving its stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is the overall structure diagram of the fixed pressure roller and the limiting scraper in the utility model;

[0020] Figure 3 It is the overall structural diagram of the limit chuck in the utility model.

[0021] In the figure: 1. fixed base; 2. lifting frame; 3. unwinding rod; 4. limiting chuck; 5. first guide frame; 6. coating roller; 7. fixed pressure roller; 8. limiting scraper; 9. second guide frame; 10. adjusting bolt; 11. lifting sleeve; 12. lifting sleeve rod; 13. fastening bolt; 14. fixed chuck; 15. winding rod. DETAILED DESCRIPTION

[0022] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0023] like Figure 1 As shown, a PE film coating device comprises a unwinding rod 3, a rewinding rod 15 and a fixed base 1, wherein the unwinding rod 3 is movably mounted on the inner side of one end of the fixed base 1, and the rewinding rod 15 is movably mounted on the inner side of the other end of the fixed base 1; the outer surfaces of the unwinding rod 3 and the rewinding rod 15 are movably sleeved with two groups of limit chucks 4, and the outer surfaces of the unwinding rod 3 and the rewinding rod 15 are provided with slide grooves used in conjunction with the limit chucks 4; a coating roller 6 is movably mounted on the middle part of the upper end of the fixed base 1, and a fixed pressure roller 7 is movably mounted on the middle part of the upper end of the fixed base 1 above the coating roller 6, the fixed pressure roller 7 and the fixed base 1 are movably connected through two groups of lifting frames 2, and a material trough used in conjunction with the coating roller 6 is provided on the middle part of the upper end of the fixed base 1.

[0024] To solve the problem of controlling the coating thickness of PE film, such as Figure 2 As shown, a limiting scraper 8 is provided at the upper end of the fixed base 1 at the lower position of the fixed pressure roller 7, and the limiting scraper 8 is arranged at an angle as a whole. The limiting scraper 8 and the fixed base 1 are movably connected by two lifting sleeves 12. By utilizing the setting of the limiting scraper 8, the excess material on the surface of the PE film can be scraped off to improve the coating accuracy of the PE film. Secondly, the lifting sleeve 12 can be used to adjust the use height of the limiting scraper 8, and the lifting sleeve 12 and the limiting scraper 8 are locked and fixed by a bolt.

[0025] The two ends of the fixed pressure roller 7 are movably connected to the lifting frame 2 through a lifting sleeve 11. The middle part of the lifting sleeve 11 is provided with an adjusting bolt 10 used in conjunction with the lifting frame 2. The user can rotate the adjusting bolt 10 according to the coating thickness of the PE film and use the adjusting bolt 10 to drive the lifting sleeve 11, so that the lifting sleeve 11 drives the fixed pressure roller 7 to move up and down, thereby adjusting the distance between the fixed pressure roller 7 and the coating roller 6.

[0026] To solve the wrinkle problem of PE film when it is rolled up, Figure 3As shown, the unwinding rod 3 and the limit chuck 4 as well as the winding rod 15 and the limit chuck 4 are locked and fixed by a fastening bolt 13, and one end of the fastening bolt 13 is provided with a fixed clamp 14 used in conjunction with the slide groove. In order to prevent the PE film coating from tilting and wrinkling during the transportation process, the position of the limit chuck 4 of the winding rod 15 and the unwinding rod 3 is adjusted, so that the PE film coating can maintain a uniform position during the unwinding and winding processes, and can be adjusted arbitrarily according to the width of the PE film material.

[0027] The upper end of the fixed base 1 is located on one side of the lifting frame 2 and a second guide frame 9 is movably mounted thereon. The upper end of the fixed base 1 is located on the other side of the lifting frame 2 and a first guide frame 5 is movably mounted thereon.

[0028] Two groups of rollers are arranged inside the second guide frame 9 and the first guide frame 5. The two groups of rollers are arranged side by side up and down. The second guide frame 9 and the first guide frame 5 cooperate with the roller structure to guide the transportation of the PE film.

[0029] A PE film coating device is provided with a fixed pressure roller 7 and a limiting scraper 8. When the PE film coating device is used, it has a dual coating thickness adjustment structure, which can accurately control the coating thickness of the PE film surface material to avoid uneven coating on the PE film surface. During operation, the user can rotate the adjustment bolt 10 according to the coating thickness of the PE film, and use the adjustment bolt 10 to drive the lifting sleeve 11, so that the lifting sleeve 11 drives the fixed pressure roller 7 to move up and down, thereby adjusting the distance between the fixed pressure roller 7 and the coating roller 6. During operation, the coating roller 6 is driven by a motor to rotate, so that the coating roller 6 is coated with the material in the feeding trough during the rotation process. When the PE film contacts the coating roller 6, the coating operation is completed. By controlling the position of the fixed pressure roller 7, the thickness of the PE film during movement can be controlled, and the excess coating material can be squeezed out. By setting the limiting scraper 8, the excess material on the surface of the PE film can be scraped off from the bottom to improve the coating accuracy of the PE film. Secondly, the lifting sleeve rod 12 can be used to adjust the use height of the limiting scraper 8 so that it can be adjusted according to the coating thickness;

[0030] By setting the limit chuck 4, when the PE film coating device is used, it has an auxiliary positioning function and can be adjusted arbitrarily according to the width of the PE film to avoid wrinkles in the PE film when winding and releasing. During operation, the position of the limit chuck 4 on the winding rod 15 and the unwinding rod 3 can be adjusted to keep the PE film coating in a uniform position during the unwinding and winding processes. The limit chuck 4 can limit the position of the PE film on the unwinding rod 3 and the winding rod 15. When the limit chuck 4 moves to the corresponding position on the unwinding rod 3 and the winding rod 15, the limit chuck 4 can be locked and fixed by rotating the fastening bolt 13. At the same time, it can be adjusted arbitrarily according to the width of the PE film material to avoid shaking of the PE film material during unwinding and winding, thereby improving its stability.

[0031] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.

Claims

1. A PE film coating device, comprising a reeling rod (3), a reeling rod (15) and a fixed base (1), wherein the reeling rod (3) is movably mounted on the inner side of one end of the fixed base (1), and the reeling rod (15) is movably mounted on the inner side of the other end of the fixed base (1), characterized in that: The outer surfaces of the unwinding rod (3) and the winding rod (15) are both movably sleeved with two groups of limit chucks (4), and the outer surfaces of the unwinding rod (3) and the winding rod (15) are both provided with slide grooves used in conjunction with the limit chucks (4); a coating roller (6) is movably mounted in the middle of the upper end of the fixed base (1), and a fixed pressure roller (7) is movably mounted in the middle of the upper end of the fixed base (1) above the coating roller (6); the fixed pressure roller (7) and the fixed base (1) are movably connected via two groups of lifting frames (2), and a material trough used in conjunction with the coating roller (6) is provided in the middle of the upper end of the fixed base (1).

2. A PE film coating device according to claim 1, characterized in that: The upper end of the fixed base (1) is located at the lower part of the fixed pressure roller (7) and is provided with a limiting scraper (8), and the limiting scraper (8) is arranged in an inclined manner as a whole, and the limiting scraper (8) and the fixed base (1) are movably connected via two lifting sleeve rods (12).

3. A PE film coating device according to claim 1, characterized in that: The two ends of the fixed pressure roller (7) and the lifting frame (2) are movably connected via a lifting sleeve (11), and an adjustment bolt (10) used in conjunction with the lifting frame (2) is provided in the middle of the lifting sleeve (11).

4. A PE film coating device according to claim 1, characterized in that: The unwinding rod (3) and the limiting chuck (4) as well as the rewinding rod (15) and the limiting chuck (4) are locked and fixed by a fastening bolt (13), and one end of the fastening bolt (13) is provided with a fixing clamp (14) used in conjunction with the slide groove.

5. A PE film coating device according to claim 1, characterized in that: The upper end of the fixed base (1) is located on one side of the lifting frame (2) and is movably mounted with a second guide frame (9), and the upper end of the fixed base (1) is located on the other side of the lifting frame (2) and is movably mounted with a first guide frame (5).

6. A PE film coating device according to claim 5, characterized in that: The second guide frame (9) and the first guide frame (5) are both provided with two groups of rollers, and the two groups of rollers are arranged side by side in an upper and lower manner.

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