Paperboard packaging film covering device

By designing a positioning device and suction cup in the cardboard packaging and coating device for film bonding, and using a compression device to improve the connection strength, the film and cardboard fold problems caused by inconsistent conveying speeds of the conveyor belt and feeding roller are solved, and the product quality is significantly improved.

CN222495411UActive Publication Date: 2025-02-18SHIJIAZHUANG KELIN FILTER PAPER CO LTD
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Patent Information

Application Number
CN202420292312.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-18
Publication Date
2025-02-18
Estimated Expiration
2034-02-18

AI Technical Summary

Technical Problem

When the conveyor speeds of the conveyor belt and feed roller are inconsistent, the existing coating device will cause wrinkles between the cardboard and the film, reducing product quality.

Method used

A cardboard packaging coating device is designed, including a coating device and a compression device. The film coating device locates the cardboard through the first positioning device and uses a suction cup to attach the film to the cardboard to avoid relative movement between the film and the cardboard. The compression device tightens the paperboard and the film through the conveying roller and the pressing roller to improve the connection strength.

Benefits of technology

It effectively prevents relative movement between the film and cardboard, avoids the occurrence of wrinkles, improves product quality, and enhances the connection strength between the film and cardboard through the compression device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222495411U_ABST
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Abstract

The utility model discloses a paperboard packaging film covering device which comprises a working table, the working table is provided with a film covering device, a pressing device and a first positioning device, the film covering device comprises two conveying belts, a first protective cover, a first lifting frame, a suction cup and a guide roller, the two conveying belts are symmetrically arranged on the two sides of the working table, and the first protective cover is arranged on the first lifting frame. The first protective cover is arranged on the workbench, the first lifting frame is arranged in the first protective cover, the film covering device is arranged, when a paperboard moves to the position below the first lifting frame and the suction cup, the paperboard is positioned through the first positioning device, at the moment, the suction cup moves downwards, and a film adsorbed below the suction cup is attached to the upper surface of the paperboard; in the process, the film and the paperboard do not move relatively, and then the film can be prevented from wrinkling.
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Description

Technical Field

[0001] The utility model relates to the technical field of cardboard laminating, and more specifically, to a cardboard packaging laminating device. Background Art

[0002] During the production and packaging process of cardboard, a laminating device is often used to apply a layer of film on the cardboard to improve the wear resistance, service life, oil and water resistance of the cardboard. In the existing laminating device, the cardboard is generally conveyed from a conveyor belt, and a feed roller is arranged above the cardboard to convey the film. When the conveying speeds of the conveyor belt and the feed roller are inconsistent, wrinkles will appear between the cardboard and the film, reducing the quality of the product; in addition, some laminating devices use a lifting mechanism to drive the film to move up and down, and press the film against the static upper surface of the cardboard to prevent wrinkles from relative movement, but the film is not easy to connect with the lifting mechanism. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the problems existing in the prior art, the utility model provides a cardboard packaging laminating device to solve the technical problem mentioned in the background technology that when the conveying speeds of the conveyor belt and the feed roller are inconsistent, wrinkles will appear between the cardboard and the film, thereby reducing the quality of the product.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cardboard packaging laminating device, comprising a workbench, on which a laminating device, a pressing device and a first positioning device are arranged, the laminating device comprising a conveyor belt, a first protective cover, a first lifting frame, a suction cup and a guide roller, two conveyor belts are provided and are symmetrically arranged on both sides of the workbench, the first protective cover is arranged on the workbench, the first lifting frame is arranged in the first protective cover, and a first driving mechanism is arranged between the first lifting frame and the first protective cover, the suction cup is fixedly arranged on the first lifting frame, and an air suction pipe is arranged on the suction cup, and the guide roller is rotatably arranged in the first protective cover, the first positioning device comprises a guide plate, a limit plate and a lifting cylinder, the workbench is provided with a first through groove, the limit plate is slidably arranged in the first through groove, the lifting cylinder is arranged below the workbench, and its telescopic end is connected to the lower surface of the limit plate, and two guide plates are provided, and are respectively connected to the two conveyor belts.

[0007] The utility model is further configured such that the clamping device includes a conveying roller, a second protective cover, a second lifting frame and a pressure roller, the conveying roller is rotatably arranged in the workbench, the second protective cover is arranged on the upper surface of the workbench, the second lifting frame is arranged in the second protective cover, and a second driving mechanism is provided between the second lifting frame and the second protective cover, and the pressure roller is rotatably arranged on the second lifting frame.

[0008] The utility model is further configured such that the first driving mechanism includes a first oil cylinder and a first guide rod, the first oil cylinder is arranged on the upper surface of the first protective cover, and its telescopic end passes through the first protective cover and is connected to the first lifting frame, the bottom end of the first guide rod is connected to the first lifting frame, and the top end thereof is slidably connected to the first protective cover.

[0009] The utility model is further configured such that the second driving mechanism includes a second oil cylinder and a second guide rod, the second oil cylinder is arranged on the second protective cover, and its telescopic end passes through the second protective cover and is connected to the second lifting frame, the bottom end of the second guide rod is connected to the second lifting frame, and the top end thereof is slidably connected to the second protective cover.

[0010] The utility model is further configured as follows: a support frame is provided below the workbench, the lifting cylinder is arranged on the lower surface of the support frame, and the telescopic end thereof penetrates the support frame and is connected to the limit plate.

[0011] The utility model is further configured that a third guide rod is provided on the lower surface of the limit plate, and the bottom end of the third guide rod penetrates the support frame and is slidably matched with the support frame.

[0012] The utility model is further configured that a second through slot is provided on a side of the workbench away from the first protective cover, a second positioning device is provided at the second through slot, and the second positioning device has the same structure as the first positioning device.

[0013] The utility model is further configured such that a mounting frame is provided above the first protective cover, and a feeding roller is rotatably provided on the mounting frame.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a cardboard packaging laminating device having the following

[0016] Beneficial effects:

[0017] 1. The utility model is provided with a laminating device. When the cardboard moves to the bottom of the first lifting frame and the suction cup, the cardboard is positioned by the first positioning device. At this time, the suction cup moves downward to adhere the film adsorbed under the suction cup to the upper surface of the cardboard to complete the laminating operation. During this process, no relative movement occurs between the film and the cardboard, thereby preventing the film from wrinkling.

[0018] 2. The utility model is provided with a pressing device. After the lamination is completed, the cardboard and the film can be pressed by the pressing device to improve the connection strength.

[0019] 3. The utility model is provided with a first positioning device and a second positioning device. The first positioning device can position the cardboard to be coated. In addition, an external cutting component can be provided at the first through groove. The cardboard to be cut is positioned by the second positioning device, and the film is cut by the external cutting component. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a cardboard packaging laminating device;

[0021] Figure 2 It is a structural diagram of the workbench;

[0022] Figure 3 is a schematic structural diagram of a second lifting frame;

[0023] Figure 4 is a structural schematic diagram of a first positioning device;

[0024] Figure 5 It is a structural schematic diagram of the first lifting frame and the suction cup in the unconnected state.

[0025] In the figure: 1. workbench; 2. conveyor belt; 3. first protective cover; 4. first lifting frame; 5. suction cup; 6. guide roller; 7. suction pipe; 8. guide plate; 9. limit plate; 10. lifting cylinder; 11. first through slot; 12. conveying roller; 13. second protective cover; 14. second lifting frame; 15. pressure roller; 16. first oil cylinder; 17. first guide rod; 18. second oil cylinder; 19. second guide rod; 20. support frame; 21. third guide rod; 22. second through slot; 23. mounting frame; 24. feeding roller. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0029] See also Figure 1-5 , a cardboard packaging laminating device, comprising a workbench 1, on which a laminating device, a pressing device and a first positioning device are provided, the laminating device comprising a conveyor belt 2, a first protective cover 3, a first lifting frame 4, a suction cup 5 and a guide roller 6, two conveyor belts 2 are provided, and are symmetrically arranged on both sides of the workbench 1, the first protective cover 3 is arranged on the workbench 1, the first lifting frame 4 is arranged in the first protective cover 3, and a first driving mechanism is provided between the first lifting frame 4 and the first protective cover 3, the suction cup 5 is fixedly arranged on the first lifting frame 4, and an air suction pipe 7 is provided on the suction cup 5, and the guide roller 6 is rotatably arranged in the first protective cover 3, the first positioning device comprises a guide plate 8, a limit plate 9 and a lifting cylinder 10, a first through groove 11 is provided on the workbench 1, the limit plate 9 is slidably arranged in the first through groove 11, the lifting cylinder 10 is arranged below the workbench 1, and its telescopic end is connected to the lower surface of the limit plate 9, and two guide plates 8 are provided, and are respectively connected to the two conveyor belts 2. The first driving mechanism includes a first oil cylinder 16 and a first guide rod 17. The first oil cylinder 16 is arranged on the upper surface of the first protective cover 3, and its telescopic end penetrates the first protective cover 3 and is connected to the first lifting frame 4. The bottom end of the first guide rod 17 is connected to the first lifting frame 4, and the top end is slidably connected to the first protective cover 3. A mounting frame 23 is arranged above the first protective cover 3, and a feeding roller 24 is rotatably arranged on the mounting frame 23.

[0030] In this embodiment, the film is passed around the feed roller 24 and the guide roller 6, and the film is adsorbed by the suction cup 5, the cardboard is placed on the conveyor belt 2 and between the two guide plates 8, the cardboard is guided by the two guide plates 8, and the cardboard is transported by the conveyor belt 2. When the cardboard moves to one end and fits the limit plate 9, the first oil cylinder 16 is started to drive the first lifting frame 4 and the film adsorbed on the suction cup 5 to move downward until the film is pressed tightly against the upper surface of the cardboard. After the pressing is completed, the suction cup 5 releases the film, and the first oil cylinder 16 drives the suction cup 5 to move upward a short distance, and the limit plate 9 moves downward, and the cardboard is continuously transported by the conveyor belt 2 until it moves to the second positioning device. At this time, the first oil cylinder 16 drives the suction cup 5 to move downward and reset, and is connected to the suction pipe 7 through an external air pump, so that the suction cup 5 adsorbs the film.

[0031] More specifically, a cutting assembly is provided above the first through slot 11. After the suction cup 5 absorbs the film, the film can be cut by the cutting assembly to facilitate lamination of the paperboard behind the film.

[0032] See also Figure 1-5 As an implementation method of the clamping device: the clamping device includes a conveying roller 12, a second protective cover 13, a second lifting frame 14 and a pressure roller 15, the conveying roller 12 is rotatably arranged in the workbench 1, the second protective cover 13 is arranged on the upper surface of the workbench 1, the second lifting frame 14 is arranged in the second protective cover 13, and a second driving mechanism is provided between the second lifting frame 14 and the second protective cover 13, and the pressure roller 15 is rotatably arranged on the second lifting frame 14.

[0033] Specifically, the conveying roller 12 is connected to an external motor, and the conveying roller 12 is driven by the external motor to rotate. After the cardboard is coated, the limit plate 9 moves downward, and the conveyor belt 2 continues to drive the cardboard to move, and the cardboard is inserted between the conveying roller 12 and the pressing roller 15, and the cardboard and the film are pressed by the conveying roller 12 and the pressing roller 15.

[0034] See also Figure 1-5 , as a further implementation method of a certain mechanism, that is, a certain innovation point: the second driving mechanism includes a second oil cylinder 18 and a second guide rod 19, the second oil cylinder 18 is arranged on the second protective cover 13, and its telescopic end passes through the second protective cover 13 and is connected to the second lifting frame 14, the bottom end of the second guide rod 19 is connected to the second lifting frame 14, and the top end passes through and is slidably connected with the second protective cover 13.

[0035] Specifically, the height of the pressing roller 15 can be adjusted according to the thickness of the cardboard, and the second oil cylinder 18 can be started to extend and retract to drive the second lifting frame 14 to move up and down along the direction of the second guide rod 19, thereby driving the pressing roller 15 to move up and down.

[0036] See also Figure 1-5 As a further implementation of a certain mechanism, i.e., a certain innovation point: a support frame 20 is provided below the workbench 1, and the lifting cylinder 10 is arranged on the lower surface of the support frame 20, and its telescopic end penetrates the support frame 20 and is connected to the limit plate 9. A third guide rod 21 is provided on the lower surface of the limit plate 9, and the bottom end of the third guide rod 21 penetrates the support frame 20 and slides with the support frame 20. A second through slot 22 is provided on the side of the workbench 1 away from the first protective cover 3, and a second positioning device is provided at the second through slot 22, and the second positioning device has the same structure as the first positioning device.

[0037] Specifically, the lifting cylinder 10 is started to extend and drive the limiting plate 9 to move upward along the direction of the third guide rod 21 so as to block and limit the cardboard.

[0038] In summary, when the overall equipment is in use:

[0039] The film is passed around the feed roller 24 and the guide roller 6, and the film is adsorbed by the suction cup 5. The cardboard is placed on the conveyor belt 2 and between the two guide plates 8. The cardboard is guided by the two guide plates 8 and transported by the conveyor belt 2. When the cardboard moves to one end and fits the limit plate 9, the first oil cylinder 16 is started to drive the first lifting frame 4 and the film adsorbed on the suction cup 5 to move downward until the film is pressed tightly on the upper surface of the cardboard. After the pressing is completed, the suction cup 5 releases the film, and the first oil cylinder 16 drives the suction cup 5 to move upward a short distance, and the limit plate 9 moves downward, and the cardboard is continuously transported by the conveyor belt 2 until it moves to the second positioning device. At this time, the first oil cylinder 16 drives the suction cup 5 to move downward and reset, and is connected to the suction pipe 7 through an external air pump, so that the suction cup 5 adsorbs the film.

[0040] A cutting assembly is provided above the first through slot 11. When the suction cup 5 absorbs the film, the film can be cut by the cutting assembly to facilitate lamination of the paperboard behind the film.

[0041] The conveying roller 12 is connected to an external motor, and the conveying roller 12 is driven by the external motor to rotate. After the cardboard is coated, the limit plate 9 moves downward, and the conveyor belt 2 continues to drive the cardboard to move, and the cardboard is inserted between the conveying roller 12 and the pressing roller 15, and the cardboard and the film are pressed by the conveying roller 12 and the pressing roller 15.

[0042] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A cardboard packaging laminating device, comprising a workbench (1), characterized in that: The workbench (1) is provided with a coating device, a pressing device and a first positioning device. The coating device comprises a conveyor belt (2), a first protective cover (3), a first lifting frame (4), a suction cup (5) and a guide roller (6). Two conveyor belts (2) are provided and are symmetrically arranged on both sides of the workbench (1). The first protective cover (3) is arranged on the workbench (1). The first lifting frame (4) is arranged in the first protective cover (3). A first driving mechanism is provided between the first lifting frame (4) and the first protective cover (3). The suction cup (5) is fixedly arranged in the first lifting frame. The lowering frame (4) is provided with a suction pipe (7) on the suction cup (5), the guide roller (6) is rotatably arranged in the first protective cover (3), the first positioning device comprises a guide plate (8), a limit plate (9) and a lifting cylinder (10), the workbench (1) is provided with a first through groove (11), the limit plate (9) is slidably arranged in the first through groove (11), the lifting cylinder (10) is arranged below the workbench (1), and its telescopic end is connected to the lower surface of the limit plate (9), two guide plates (8) are provided, and they are respectively connected to the two conveyor belts (2).

2. A cardboard packaging laminating device according to claim 1, characterized in that: The pressing device comprises a conveying roller (12), a second protective cover (13), a second lifting frame (14) and a pressing roller (15); the conveying roller (12) is rotatably arranged in the workbench (1); the second protective cover (13) is arranged on the upper surface of the workbench (1); the second lifting frame (14) is arranged in the second protective cover (13); a second driving mechanism is arranged between the second lifting frame (14) and the second protective cover (13); and the pressing roller (15) is rotatably arranged on the second lifting frame (14).

3. A cardboard packaging laminating device according to claim 1, characterized in that: The first driving mechanism comprises a first oil cylinder (16) and a first guide rod (17); the first oil cylinder (16) is arranged on the upper surface of the first protective cover (3), and its telescopic end penetrates the first protective cover (3) and is connected to the first lifting frame (4); the bottom end of the first guide rod (17) is connected to the first lifting frame (4), and the top end is slidably connected to the first protective cover (3).

4. A cardboard packaging laminating device according to claim 2, characterized in that: The second driving mechanism comprises a second oil cylinder (18) and a second guide rod (19); the second oil cylinder (18) is arranged on the second protective cover (13), and its telescopic end passes through the second protective cover (13) and is connected to the second lifting frame (14); the bottom end of the second guide rod (19) is connected to the second lifting frame (14), and the top end thereof is slidably connected to the second protective cover (13).

5. The cardboard packaging laminating device according to claim 1, characterized in that: A support frame (20) is provided below the workbench (1), and the lifting cylinder (10) is arranged on the lower surface of the support frame (20), and its telescopic end passes through the support frame (20) and is connected to the limit plate (9).

6. A cardboard packaging film laminating device according to claim 5, characterized in that: A third guide rod (21) is provided on the lower surface of the limiting plate (9), and the bottom end of the third guide rod (21) passes through the support frame (20) and is slidably matched with the support frame (20).

7. A cardboard packaging laminating device according to claim 6, characterized in that: A second through slot (22) is provided on a side of the workbench (1) away from the first protective cover (3), and a second positioning device is provided at the second through slot (22), and the second positioning device has the same structure as the first positioning device.

8. The cardboard packaging laminating device according to claim 1, characterized in that: A mounting frame (23) is provided above the first protective cover (3), and a feeding roller (24) is rotatably provided on the mounting frame (23).