High folding resistance composite black card paper

Abstract

The utility model discloses a kind of high folding-resistance composite black card paper, including card paper base paper layer, the quantity of card paper base paper layer is two, and one side of two card paper base paper layers adjacent is respectively fixedly connected with reinforcing frame and reinforcing plate, the top of reinforcing plate is respectively fixedly connected with work shape frame and anti-bending pipe, work shape frame and anti-bending pipe are all fixedly connected with reinforcing frame.The utility model is formed rectangle using reinforcing frame and reinforcing plate, the device has the characteristics of bending resistance using work shape structure, circular structure and rectangular mechanism, and the bending resistance effect of the device is greatly improved, the device is made of multiple materials, has the advantages of high strength and good resilience, so that it is not easy to bend, when it is bent to a certain degree, it can still rebound to its original shape using the resilience of the device itself, and the stability of the shape is maintained, and the folding resistance of the device is improved, the device has the advantage of good folding resistance.

Description

Technical Field

[0001] This utility model relates to the field of black cardboard technology, specifically to a high-folding-resistance composite black cardboard. Background Technology

[0002] Black cardstock is a specialty paper with high blackness and good physical properties. It is used in many industries, and as its applications expand, so do the functional requirements. For black cardstock used in specific industries, high-strength, fold-resistant black cardstock is necessary.

[0003] Existing black cardstock is prone to bending during use, which reduces its lifespan and performance, making it unsuitable for certain industries. Therefore, it is necessary to design and modify high-bending-resistance composite black cardstock to effectively prevent poor bending resistance. Utility Model Content

[0004] To address the problems mentioned in the background art, the purpose of this utility model is to provide a high-folding-resistance composite black cardstock with excellent folding resistance. This solves the problem that existing black cardstock is prone to bending during use, thereby reducing its service life, lowering its performance, and making it unsuitable for applications in certain industries.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-folding-resistance composite black cardboard, comprising two cardboard base paper layers, wherein a reinforcing frame and a reinforcing plate are fixedly connected to adjacent sides of the two cardboard base paper layers respectively, and an I-shaped frame and an anti-bending tube are fixedly connected to the top of the reinforcing plate respectively, wherein the I-shaped frame and the anti-bending tube are both fixedly connected to the reinforcing frame, and wherein there are several I-shaped frames and anti-bending tubes, wherein arc-shaped grooves are provided on both sides of the I-shaped frame, and the arc-shaped grooves are fitted with the anti-bending tubes.

[0006] As a preferred embodiment of the present invention, the anti-bending tube includes a first anti-bending sleeve, which is fixedly connected to the reinforcing plate and the reinforcing frame respectively, and a second anti-bending sleeve is fixedly connected inside the first anti-bending sleeve.

[0007] As a preferred embodiment of this utility model, a reinforcing rod is fixedly connected inside the second anti-bending sleeve, and an opening is provided on the surface of the reinforcing rod. A reinforcing rib is fixedly connected inside the opening, and the cross-section of the reinforcing rib and the opening is triangular.

[0008] As a preferred embodiment of this utility model, both the reinforcing frame and the reinforcing plate are made of polyester fiber, and the I-beam is made of PP material.

[0009] As a preferred embodiment of this utility model, the first anti-bending sleeve is made of POM material, the second anti-bending sleeve is made of ABS resin material, the reinforcing rod is made of polyurethane material, and the reinforcing rib is made of TPU material.

[0010] As a preferred embodiment of this invention, the cardboard base paper layer is provided with a waterproof coating on the side away from the reinforcing plate, and the interior of the reinforcing frame is provided with filler.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. This utility model adopts a reinforced frame and a reinforced plate to form a rectangle. This device utilizes the bending resistance characteristics of I-shaped structure, circular structure and rectangular mechanism, thereby greatly improving the bending resistance of the device. The device is composed of multiple materials and has the advantages of high strength and good elasticity, making it not easy to bend. When it is bent to a certain extent, it can still rebound and restore its shape by utilizing the elasticity of the device itself, thereby maintaining the stability of the shape and improving the bending resistance of the device. This device has the advantage of good bending resistance.

[0013] 2. By setting up a first anti-bending sleeve and a second anti-bending sleeve, this utility model utilizes the good anti-bending performance of the tubular structure to improve the anti-bending effect of the device. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the I-beam frame structure of this utility model;

[0016] Figure 3 This utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0017] Figure 4 This utility model Figure 2 Enlarged schematic diagram of the structure at point B.

[0018] In the diagram: 1. Cardboard base paper layer; 2. Reinforcing frame; 3. Reinforcing plate; 4. I-beam frame; 5. Anti-bending tube; 6. Arc groove; 7. First anti-bending sleeve; 8. Second anti-bending sleeve; 9. Reinforcing rod; 10. Through opening; 11. Reinforcing rib. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figures 1 to 4 As shown, a high-bending-resistance composite black cardboard includes two cardboard base paper layers 1. A reinforcing frame 2 and a reinforcing plate 3 are fixedly connected to the adjacent sides of the two cardboard base paper layers 1, respectively. An I-shaped frame 4 and an anti-bending tube 5 are fixedly connected to the top of the reinforcing plate 3, respectively. Both the I-shaped frame 4 and the anti-bending tube 5 are fixedly connected to the reinforcing frame 2. There are several I-shaped frames 4 and anti-bending tubes 5. Arc-shaped grooves 6 are provided on both sides of the I-shaped frame 4, and the arc-shaped grooves 6 are attached to the anti-bending tubes 5.

[0021] refer to Figures 1 to 4 The anti-bending tube 5 includes a first anti-bending sleeve 7, which is fixedly connected to the reinforcing plate 3 and the reinforcing frame 2 respectively, and a second anti-bending sleeve 8 is fixedly connected inside the first anti-bending sleeve 7.

[0022] As a technical optimization of this utility model, by setting the first anti-bending sleeve 7 and the second anti-bending sleeve 8, the tubular structure has better anti-bending performance, thereby improving the anti-bending effect of the device.

[0023] refer to Figures 1 to 4 The second anti-bending sleeve 8 is internally fixedly connected to a reinforcing rod 9. The surface of the reinforcing rod 9 is provided with a through-hole 10. The through-hole 10 is internally fixedly connected to a reinforcing rib 11. The cross-section of both the reinforcing rib 11 and the through-hole 10 is triangular.

[0024] As a technical optimization of this utility model, the setting of reinforcing rod 9, through opening 10 and reinforcing rib 11 makes it possible for the triangular and circular structures to have the characteristics of bending resistance, thereby further improving the bending resistance effect of the device.

[0025] refer to Figures 1 to 4 The reinforcing frame 2 and the reinforcing plate 3 are both made of polyester fiber, and the I-beam frame 4 is made of PP material.

[0026] As a technical optimization of this utility model, the reinforcing frame 2 and reinforcing plate 3 made of polyester fiber have good elasticity and resilience, which can maintain the stability of the shape and thus improve the bending resistance of the device. The I-shaped frame 4 made of PP material has the advantages of high strength, good toughness and good resistance to bending fatigue, which further improves the bending resistance of the device.

[0027] refer to Figures 1 to 4 The first anti-bending sleeve 7 is made of POM material, the second anti-bending sleeve 8 is made of ABS resin material, the reinforcing rod 9 is made of polyurethane material, and the reinforcing rib 11 is made of TPU material.

[0028] As a technical optimization of this utility model, the first anti-bending sleeve 7 made of POM material has the advantages of good rigidity and high elasticity, thereby improving the bending resistance of the device. The second anti-bending sleeve 8 made of ABS resin material has the advantages of good impact resistance, good heat resistance, good elasticity and high hardness.

[0029] refer to Figure 1 and Figure 3 The cardboard base layer 1 has a waterproof coating on the side away from the reinforcing plate 3, and the interior of the reinforcing frame 2 is filled with filler.

[0030] As a technical optimization of this utility model, the waterproof coating can improve the waterproof effect of the cardboard base paper layer 1, thereby increasing the service life of the device. By filling the gaps between the reinforcing frame 2 and the I-beam frame 4 and the anti-bending tube 5 with filler, the structural strength and deformation resistance of the device can be effectively improved.

[0031] The working principle and usage process of this utility model are as follows: When in use, the reinforcing frame 2 and the reinforcing plate 3 form a rectangle. This device utilizes the bending resistance characteristics of the I-shaped structure, circular structure and rectangular mechanism, thereby greatly improving the bending resistance effect of the device. The device is composed of multiple materials and has the advantages of high strength and good resilience, making it not easy to bend. When it is bent to a certain extent, it can still rebound and restore its shape by utilizing the resilience of the device itself, thereby maintaining the stability of the shape and improving the bending resistance effect of the device. The appearance of this device is black.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-folding-resistance composite black cardstock, comprising a cardstock base layer (1), characterized in that: The number of cardboard base paper layers (1) is two, and a reinforcing frame (2) and a reinforcing plate (3) are fixedly connected to the adjacent side of the two cardboard base paper layers (1). The top of the reinforcing plate (3) is fixedly connected to an I-shaped frame (4) and an anti-bending tube (5). The I-shaped frame (4) and the anti-bending tube (5) are both fixedly connected to the reinforcing frame (2). The number of I-shaped frames (4) and anti-bending tubes (5) is several. Arc grooves (6) are provided on both sides of the I-shaped frame (4). The arc grooves (6) are in contact with the anti-bending tubes (5).

2. The high-folding-resistance composite black cardboard according to claim 1, characterized in that: The anti-bending tube (5) includes a first anti-bending sleeve (7), which is fixedly connected to the reinforcing plate (3) and the reinforcing frame (2) respectively, and a second anti-bending sleeve (8) is fixedly connected inside the first anti-bending sleeve (7).

3. The high-folding-resistance composite black cardboard according to claim 2, characterized in that: The second anti-bending sleeve (8) is internally fixedly connected to a reinforcing rod (9), and the surface of the reinforcing rod (9) is provided with a through-hole (10). The through-hole (10) is internally fixedly connected to a reinforcing rib (11), and the cross-section of the reinforcing rib (11) and the through-hole (10) are both triangular.

4. The high-folding-resistance composite black cardboard according to claim 1, characterized in that: The reinforcing frame (2) and the reinforcing plate (3) are both made of polyester fiber, and the I-beam frame (4) is made of PP material.

5. The high-folding-resistance composite black cardboard according to claim 3, characterized in that: The first anti-bending sleeve (7) is made of POM material, the second anti-bending sleeve (8) is made of ABS resin material, the reinforcing rod (9) is made of polyurethane material, and the reinforcing rib (11) is made of TPU material.

6. The high-folding-resistance composite black cardboard according to claim 1, characterized in that: The cardboard base paper layer (1) is provided with a waterproof coating on the side away from the reinforcing plate (3), and the interior of the reinforcing frame (2) is provided with filler.

Images