Knife roll for producing flexible anti-folding labels

Abstract

The utility model belongs to the technical field of die cutting tools, and particularly relates to a knife roll for producing flexible anti-folding labels. A plurality of cutting edges are annularly and uniformly distributed on the peripheral surface of a knife roll; the adjacent cutting edges are connected through short cutting edges; the cutting edge and the short edge are plated with anti-sticking coatings; the cutting edge is annular or U-shaped, and the width of the cutting edge is matched with the width of the flexible anti-folding label; and the length of the cutting edge is matched with the unfolding length of the flexible anti-folding label. The utility model is used for solving the technical problems that the appearance quality and the printing effect are influenced due to residual glue on the surface of a product and the die cutting is not smooth due to the fact that the product is stuck in the knife roll in the existing knife roll die cutting process.

Description

Technical Field

[0001] This utility model belongs to the field of die-cutting tool technology, specifically relating to a die roller for producing flexible and fold-resistant labels. Background Technology

[0002] Flexible anti-metal tags, also known as flexible anti-metal tags, can maintain normal readability and write capability in metal surface environments. There are generally two types of existing flexible anti-metal tags: non-folded and folded. Folded flexible anti-metal tags refer to tags where one end is folded.

[0003] Due to the inherent structure of flexible fold-resistant labels, a highly adhesive material is required between the face material and the substrate and other layers. When die-cutting, the blade of a typical die-cutting roller will have adhesive residue on it. This residue will then transfer to the product surface, leaving behind residue that can affect the product's appearance and printing.

[0004] In addition, with existing die-cutting rollers, the product gets stuck in the roller after die-cutting, making it difficult to separate smoothly. Utility Model Content

[0005] This utility model provides a die-cutting roller for producing flexible and fold-resistant labels, which solves the technical problems of adhesive sticking during the die-cutting process of existing die-cutting rollers, resulting in residual adhesive on the product surface, affecting the appearance quality and printing effect, as well as the product getting stuck in the die-cutting roller, causing the die-cutting to be unsuccessful.

[0006] The blade roller described in this utility model has several blades evenly distributed in a ring on its circumference.

[0007] Adjacent blades are connected by short blades;

[0008] The blade and the short blade are coated with an anti-stick coating;

[0009] The blade is ring-shaped or U-shaped, and the width of the blade is adapted to the width of the flexible fold-resistant label.

[0010] The length of the blade is adapted to the unfolded length of the flexible anti-folding label; specifically, the length of the blade is at least 1 mm longer than the unfolded length of the flexible anti-folding label, and is generally in the range of 1 to 5 mm.

[0011] This invention uses an anti-stick coating to prevent adhesive from adhering to the blade, thereby preventing adhesive from transferring to the product surface.

[0012] Furthermore: the anti-stick coating is a diamond-like carbon (DLC) coating. The beneficial effects of this step are: the diamond-like carbon (DLC) coating combines the high hardness of diamond with the lubricity of graphite. It is an amorphous coating film composed of carbon and hydrogen and has good anti-stick properties.

[0013] Furthermore: with the blade tip as the center, an anti-stick coating is provided within a 2mm range on both sides of the blade tip, and a foam pad is provided in the central area of ​​the blade. The beneficial effect of this step is that since the blade protrudes outside the die roller, during the die-cutting process, the product being die-cut will get stuck in the groove formed by the blade. Once the product being die-cut cannot be removed from the groove of the blade in time, it will affect the effect of the next die-cutting.

[0014] Furthermore: the height of the blade is 1.7±0.1mm, and the blade tip width is 0.01~0.03mm. The beneficial effect of this step is to ensure that the blade can die-cut flexible and foldable labels without damaging the backing paper, thus maintaining the continuity of production.

[0015] Furthermore, the thickness of the foam padding layer is 1.5±0.1mm. The beneficial effect of this step is that there is a height difference between the foam padding layer and the blade, which will not affect the die-cutting effect.

[0016] The beneficial effects of this utility model are:

[0017] 1. This utility model has an anti-stick coating on the blade of the blade roller, which can prevent the blade from carrying away the adhesive on the flexible anti-fold label, thereby protecting the appearance of the flexible anti-fold label;

[0018] 2. Additionally, a foam padding layer is placed in the central area of ​​the blade to prevent the flexible anti-fold label from getting stuck in the blade and to ensure that the flexible anti-fold label is successfully die-cut. Attached Figure Description

[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This utility model provides a partial unfolding of a cutting roller for producing flexible, fold-resistant labels. Figure 1 ;

[0021] Figure 2 This utility model provides a partial unfolding of a cutting roller for producing flexible, fold-resistant labels. Figure 2 .

[0022] Figure label:

[0023] 1-Cutter roller; 2-Cutter blade; 3-Short blade; 4-Anti-stick coating. Detailed Implementation

[0024] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0025] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

[0026] Implementation of this application, for example Figure 1 and Figure 2 As shown, this utility model provides a cutting roller for producing flexible, fold-resistant labels. Figure 1 and Figure 2 These are local areas of the circumferential surface of the cutter roller 1 after it has been unfolded, and the blades 2 on them have two implementation methods.

[0027] The blade roller 1 described in this utility model has a plurality of blades 2 evenly distributed in a ring on its circumference.

[0028] Adjacent blades 2 are connected by short blades 3, which are used to cut waste material;

[0029] The blade 2 and the short blade 3 are coated with an anti-stick coating 4;

[0030] The blade 2 is ring-shaped or U-shaped, and the width of the blade 2 is adapted to the width of the flexible fold-resistant label;

[0031] The length of the blade 2 is adapted to the unfolded length of the flexible fold-resistant label; specifically, the length of the blade 2 is at least 1 mm longer than the unfolded length of the flexible fold-resistant label, generally ranging from 1 to 5 mm. For example, if the length of the flexible fold-resistant label is 65 mm, then the length of the blade is between 66 mm and 70 mm. When the blade 2 is a closed annular structure, it is far from the folded edge of the flexible fold-resistant label. When the blade 2 is a U-shaped open structure, the opening of the U-shape corresponds to the folded edge of the flexible fold-resistant label. Therefore, when die-cutting the flexible fold-resistant label, the blade 2 will only die-cut three sides of the label, excluding the folded edge.

[0032] This invention uses an anti-stick coating 4 to prevent adhesive from adhering to the blade 2, thereby preventing adhesive from transferring to the product surface.

[0033] In one embodiment, the anti-stick coating 4 is a diamond-like carbon (DLC) coating. DLC coatings combine the high hardness of diamond with the lubricity of graphite. They are amorphous coating films composed of carbon and hydrogen and have good anti-stick properties.

[0034] In one embodiment, an anti-stick coating 4 is provided within a 2mm range on both sides of the blade tip 2, with the blade tip as the center. A foam pad is provided in the central area of ​​the blade 2. Since the blade 2 protrudes outside the cutter roller 1, the product being die-cut will get stuck in the groove formed by the blade 2 during the die-cutting process. If the product cannot be removed from the groove of the blade 2 in time, it will affect the effect of the next die-cutting. Therefore, the foam pad pre-occupies the space in the central area of ​​the blade 2 to achieve the purpose of displacing the product. In order not to affect the die-cutting effect, a compressible and deformable material such as a foam pad is required. In addition, the foam pad is connected to the cutter roller 1 by adhesive. The anti-stick coating 4 is to prevent the adhesive from sticking. Therefore, in order for the foam pad to be tightly connected to the cutter roller 1, the anti-stick coating 4 in the central area of ​​the blade 2 needs to be removed. The anti-stick coating 4 can only be provided around the blade 2.

[0035] In one embodiment, the height of the blade 2 is 1.7±0.1mm, and the blade tip width is 0.01~0.03mm, ensuring that the blade 2 can flexibly resist folding of the label without damaging the backing paper, thus maintaining the continuity of production.

[0036] In one embodiment, the thickness of the foam pad is 1.5±0.1mm, so that there is a height difference between the foam pad and the blade 2, which will not affect the die-cutting effect.

[0037] In the above embodiments, this application enables the die roller 1 to avoid adhesive sticking and maintain the appearance quality of the flexible fold-resistant label during the production process of die-cutting flexible fold-resistant labels.

[0038] Numerous specific details are set forth in this specification. However, it will be understood that embodiments of this invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification. In the description of this specification, references to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A cutting roller for producing flexible, fold-resistant labels, characterized in that, The circumferential surface of the cutter roller is evenly distributed with several cutting edges; Adjacent blades are connected by short blades; The blade and the short blade are coated with an anti-stick coating; The blade is ring-shaped or U-shaped, and the width of the blade is adapted to the width of the flexible fold-resistant label. The length of the blade is adapted to the unfolded length of the flexible, fold-resistant label.

2. The cutting roller for producing flexible, fold-resistant labels according to claim 1, characterized in that, The anti-stick coating is a diamond-like carbon coating.

3. The cutting roller for producing flexible, fold-resistant labels according to claim 2, characterized in that, With the blade tip as the center, an anti-stick coating is provided within a 2mm range on both sides of the blade tip, and a foam pad is provided in the central area of ​​the blade.

4. The cutting roller for producing flexible, fold-resistant labels according to claim 3, characterized in that, The blade height is 1.7±0.1mm, and the blade tip width is 0.01~0.03mm.

5. The cutting roller for producing flexible, fold-resistant labels according to claim 4, characterized in that, The thickness of the foam padding layer is 1.5±0.1mm.

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