A cardboard laminating device

Abstract

This utility model provides a cardboard laminating device, relating to the field of cardboard processing technology. The cardboard laminating device includes two sets of conveying mechanisms, a base plate disposed at the bottom of the two sets of conveying mechanisms, and a laminating mechanism disposed at the top of the base plate and between the two sets of conveying mechanisms. The laminating mechanism includes an upper laminating unit and a lower laminating unit. The upper laminating unit includes a pair of upper mounting plates, with an upper laminating roller and an upper film cylinder rotatably connected between the pair of upper mounting plates. The lower laminating unit includes a pair of lower mounting plates, with a lower laminating roller and a lower film cylinder rotatably connected between the pair of lower mounting plates. The upper and lower laminating rollers are arranged opposite to each other. A height adjustment mechanism is provided between the upper and lower mounting plates on the same side along the direction of movement of the conveying mechanisms. This laminating device can perform double-sided lamination on cardboard and can adapt to laminating boards of different thicknesses, with low processing costs and high processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of paperboard processing technology, and more specifically, to a paperboard laminating device. Background Technology

[0002] Cardboard is a common paper product in people's lives. It is mostly used to make cardboard boxes. Because cardboard has poor water resistance, a thin film is usually coated on the outer surface of the cardboard to improve its water resistance. Since the film has good water resistance, it can improve the water resistance of the cardboard after being coated. However, coating the cardboard with a film relies on laminating equipment.

[0003] However, most existing cardboard box laminating machines are mainly single-sided laminating machines. The bottom conveyor belt transports the cardboard, and the top uses hot pressure rollers to squeeze and laminate the cardboard. When double-sided lamination is required, the cardboard with the laminated surface needs to be flipped over and processed again, which is time-consuming. At the same time, it is difficult to adapt to boards of different thicknesses, and the equipment specifications need to be changed frequently, which increases costs. Utility Model Content

[0004] The purpose of this invention is to provide a cardboard laminating device that can double-sided laminating of cardboard, adapt to laminating boards of different thicknesses, and has low processing cost and high processing efficiency.

[0005] This utility model is achieved through the following technical solution:

[0006] A cardboard laminating apparatus includes two sets of conveying mechanisms, a base plate disposed at the bottom of the two sets of conveying mechanisms, and a laminating mechanism disposed at the top of the base plate and located between the two sets of conveying mechanisms. The laminating mechanism includes an upper laminating unit and a lower laminating unit. The upper laminating unit includes a pair of upper mounting plates, with an upper laminating roller and an upper film cylinder rotatably connected between the pair of upper mounting plates. The lower laminating unit includes a pair of lower mounting plates, with a lower laminating roller and a lower film cylinder rotatably connected between the pair of lower mounting plates. The upper laminating roller and the lower laminating roller are arranged opposite to each other. A height adjustment mechanism is provided between the upper mounting plate and the lower mounting plate on the same side along the movement direction of the conveying mechanism.

[0007] Furthermore, the height adjustment mechanism includes a cylinder disposed inside the base plate, the driving end of the cylinder passing through the lower mounting plate and fixedly connected to the upper mounting plate, the top of the lower mounting plate being provided with a guide rod, and the other end of the guide rod passing through the upper mounting plate.

[0008] Furthermore, an upper guide roller is rotatably connected between the pair of upper mounting plates, and a lower guide roller is rotatably connected between the pair of lower mounting plates.

[0009] Furthermore, an upper cleaning roller and an upper hot press roller are provided between the pair of upper mounting plates, and a lower cleaning roller and a lower hot press roller are provided between the pair of lower mounting plates. The upper coating roller is located between the upper cleaning roller and the upper hot press roller, and the lower coating roller is located between the lower cleaning roller and the lower hot press roller. The upper cleaning roller and the lower cleaning roller rotate towards each other, and the upper hot press roller and the lower hot press roller rotate towards each other.

[0010] Furthermore, the upper cleaning roller and the lower cleaning roller are provided with alternating cleaning brushes and dust removal cloths on their roller surfaces.

[0011] Furthermore, the bottom surfaces of the upper coating roller, upper cleaning roller, and upper hot pressing roller are located on the same horizontal plane, and the top surfaces of the lower coating roller, lower cleaning roller, and lower hot pressing roller are located on the same horizontal plane.

[0012] Furthermore, the top surface of the lower cleaning roller is located on the same horizontal plane as the working surface of the conveying mechanism.

[0013] Furthermore, the top of the conveying mechanism is provided with a pair of positioning plates, and an electric telescopic rod is provided on the opposite side of the positioning plates.

[0014] The technical solution of this utility model has at least the following advantages and beneficial effects:

[0015] In this invention, the upper and lower coating rollers work together to simultaneously coat the top and bottom surfaces of the board, eliminating the need for secondary processing and increasing the coating speed. Furthermore, the height of the upper mounting plate can be adjusted via a height adjustment mechanism, thereby adjusting the distance between the upper and lower coating rollers to facilitate coating of boards of different thicknesses without frequent changes in equipment specifications, thus reducing processing costs. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the paperboard laminating device provided in Embodiment 1 of this utility model;

[0018] Figure 2 A cross-sectional view of the coating mechanism provided in Embodiment 1 of this utility model;

[0019] Figure 3 A cross-sectional view of the height adjustment mechanism provided in Embodiment 1 of this utility model;

[0020] Figure 4 This is a cross-sectional view of the upper cleaning roller provided in Embodiment 1 of this utility model.

[0021] Icons: 1-Conveying mechanism, 2-Base plate, 3-Upper film covering unit, 4-Lower film covering unit, 5-Positioning plate, 6-Electric telescopic rod, 7-Cylinder, 8-Guide rod, 31-Upper mounting plate, 32-Upper film cylinder, 33-Upper film covering roller, 34-Guide roller, 35-Upper cleaning roller, 36-Upper hot press roller, 41-Lower mounting plate, 42-Lower film cylinder, 43-Lower film covering roller, 44-Lower guide roller, 45-Lower cleaning roller, 46-Lower hot press roller, 351-Dust removal adhesive cloth, 352-Sweeping brush. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0024] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0025] In the description of this utility model, it should be noted that if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" appear to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0026] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Example 1

[0028] like Figures 1-4 As shown, this embodiment provides a cardboard laminating device, including two sets of conveying mechanisms 1, a base plate 2 disposed at the bottom of the two sets of conveying mechanisms 1, and a laminating mechanism disposed at the top of the base plate 2 and located between the two sets of conveying mechanisms 1; the laminating mechanism includes an upper laminating unit 3 and a lower laminating unit 4, the upper laminating unit 3 includes a pair of upper mounting plates 31, and an upper laminating roller 33 and an upper film cylinder 32 are rotatably connected between the pair of upper mounting plates 31, the lower laminating unit 4 includes a pair of lower mounting plates 41, and a lower laminating roller 43 and a lower film cylinder 42 are rotatably connected between the pair of lower mounting plates 41, the upper laminating roller 33 and the lower laminating roller 43 are arranged opposite to each other, and a height adjustment mechanism is provided between the upper mounting plate 31 and the lower mounting plate 41 on the same side along the movement direction of the conveying mechanism 1.

[0029] The upper coating roller 33 and the lower coating roller 43 work together to simultaneously coat the top and bottom surfaces of the board, eliminating the need for secondary processing and increasing the coating speed. Furthermore, the height of the upper mounting plate 31 can be adjusted via a height adjustment mechanism, thereby adjusting the distance between the upper coating roller 33 and the lower coating roller 43. This allows for coating of boards of different thicknesses without frequent changes to equipment specifications, reducing processing costs. The upper coating roller 33 and the lower coating roller 43 are connected by a transmission mechanism, such as a gear transmission mechanism. Both the conveying mechanism 1 and the transmission mechanism are connected to a drive device, such as a motor.

[0030] In a preferred embodiment, the height adjustment mechanism includes a cylinder 7 disposed inside the base plate 2. The driving end of the cylinder 7 passes through the lower mounting plate 41 and is fixedly connected to the upper mounting plate 31. A guide rod 8 is provided at the top of the lower mounting plate 41, and the other end of the guide rod 8 passes through the upper mounting plate 31. The cylinder 7 drives the upper mounting plate 31 to rise, simultaneously driving the upper coating roller 33 to rise, thereby adjusting the distance between the upper coating roller 33 and the lower coating roller 43, thus quickly adapting to the coating of boards of different thicknesses.

[0031] In a preferred embodiment, an upper guide roller 34 is rotatably connected between the pair of upper mounting plates 31, and a lower guide roller 44 is rotatably connected between the pair of lower mounting plates 41. The upper guide roller 34 and the lower guide roller 44 can guide the film material of the upper film cylinder 32 and the lower film cylinder 42 respectively, improving the stability and smoothness of film coating.

[0032] In a preferred embodiment, an upper cleaning roller 35 and an upper hot-pressing roller 36 are provided between the pair of upper mounting plates 31, and a lower cleaning roller 45 and a lower hot-pressing roller 46 are provided between the pair of lower mounting plates 41. An upper laminating roller 33 is located between the upper cleaning roller 35 and the upper hot-pressing roller 36, and a lower laminating roller 43 is located between the lower cleaning roller 45 and the lower hot-pressing roller 46. The upper cleaning roller 35 and the lower cleaning roller 45 rotate towards each other, and the upper hot-pressing roller 36 and the lower hot-pressing roller 46 rotate towards each other. The lower cleaning roller 45 and the lower hot-pressing roller 46 are each connected to a driving device, which is a motor. The upper cleaning roller 35 and the lower cleaning roller 45 can clean the upper and lower surfaces of the cardboard respectively, removing dust from the cardboard surface to improve lamination quality.

[0033] In a preferred embodiment, the upper cleaning roller 35 and the lower cleaning roller 45 are provided with alternating cleaning brushes 352 and dust-removing adhesive cloths 351 on their roller surfaces. The cleaning brushes 352 and the dust-removing adhesive cloths 351 can improve the removal effect of dust from the cardboard, further improving the lamination quality.

[0034] In a preferred embodiment, the bottom surfaces of the upper coating roller 33, the upper cleaning roller 35, and the upper hot pressing roller 36 are located on the same horizontal plane, and the top surfaces of the lower coating roller 43, the lower cleaning roller 45, and the lower hot pressing roller 46 are located on the same horizontal plane.

[0035] In a preferred embodiment, the top surface of the lower cleaning roller 45 is located on the same horizontal plane as the working surface of the conveying mechanism 1.

[0036] In a preferred embodiment, the top of the conveying mechanism 1 is provided with a pair of positioning plates 5, and an electric telescopic rod 6 is provided on the opposite side of the positioning plates 5. The electric telescopic rod 6 can drive the positioning plates 5 to move, thereby limiting the cardboard and preventing the cardboard from tilting.

[0037] The working principle of a cardboard laminating device is as follows: Cardboard is placed on the surface of the conveying mechanism 1 at the feeding end. During the conveying process, the electric telescopic rod 6 drives the positioning plate 5 to move, so that the positioning plate 5 corrects the deviation of the cardboard. Then, the upper cleaning roller 35 and the lower cleaning roller 45 are used to clean both sides of the cardboard. Then, the upper laminating roller 33 and the lower laminating roller 43 rotate in opposite directions to double-sided laminating of the cardboard. After lamination, the upper hot pressing roller 36 and the lower hot pressing roller 46 hot press both sides of the cardboard to enhance the bonding between the film and the cardboard and improve the lamination quality. Finally, the cardboard is discharged through the conveying mechanism 1 at the discharge end.

[0038] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cardboard laminating apparatus, characterized in that, The device includes two sets of conveying mechanisms, a base plate disposed at the bottom of the two sets of conveying mechanisms, and a film coating mechanism disposed at the top of the base plate and located between the two sets of conveying mechanisms. The film coating mechanism includes an upper film coating unit and a lower film coating unit. The upper film coating unit includes a pair of upper mounting plates, and an upper film coating roller and an upper film cylinder are rotatably connected between the pair of upper mounting plates. The lower film coating unit includes a pair of lower mounting plates, and a lower film coating roller and a lower film cylinder are rotatably connected between the pair of lower mounting plates. The upper film coating roller and the lower film coating roller are arranged opposite to each other. A height adjustment mechanism is provided between the upper mounting plate and the lower mounting plate on the same side along the movement direction of the conveying mechanism.

2. The cardboard laminating apparatus according to claim 1, characterized in that, The height adjustment mechanism includes a cylinder located inside the base plate. The driving end of the cylinder passes through the lower mounting plate and is fixedly connected to the upper mounting plate. A guide rod is provided at the top of the lower mounting plate, and the other end of the guide rod passes through the upper mounting plate.

3. The cardboard laminating apparatus according to claim 1, characterized in that, An upper guide roller is rotatably connected between the pair of upper mounting plates, and a lower guide roller is rotatably connected between the pair of lower mounting plates.

4. The cardboard laminating apparatus according to claim 1, characterized in that, An upper cleaning roller and an upper hot press roller are provided between the pair of upper mounting plates, and a lower cleaning roller and a lower hot press roller are provided between the pair of lower mounting plates. The upper coating roller is located between the upper cleaning roller and the upper hot press roller, and the lower coating roller is located between the lower cleaning roller and the lower hot press roller. The upper cleaning roller and the lower cleaning roller rotate towards each other, and the upper hot press roller and the lower hot press roller rotate towards each other.

5. The cardboard laminating apparatus according to claim 4, characterized in that, The upper and lower cleaning rollers are provided with alternating cleaning brushes and dust removal cloths on their roller surfaces.

6. The cardboard laminating apparatus according to claim 4, characterized in that, The bottom surfaces of the upper coating roller, upper cleaning roller, and upper hot pressing roller are located on the same horizontal plane, and the top surfaces of the lower coating roller, lower cleaning roller, and lower hot pressing roller are located on the same horizontal plane.

7. The cardboard laminating apparatus according to claim 6, characterized in that, The top surface of the lower cleaning roller is on the same horizontal plane as the working surface of the conveying mechanism.

8. The cardboard laminating apparatus according to claim 1, characterized in that, The top of the conveying mechanism is provided with a pair of positioning plates, and an electric telescopic rod is provided on the opposite side of the positioning plates.

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