Laser drilling modeling leather

Abstract

The utility model discloses laser drilling modeling leather which comprises a base cloth layer, a bonding layer, a surface layer group and a surface treatment layer which are sequentially arranged, the surface layer group consists of at least two surface layers, the at least two surface layers have different colors, the laser drilling modeling leather is provided with at least one through hole, and the surface treatment layer is arranged on the bonding layer. The through holes penetrate through the surface treatment layer and at least one surface layer, and the number of the surface layers provided with the through holes is smaller than the total number of the surface layers. By controlling the depth and shape of laser drilling, the leather surface layer structure color is displayed, and the colorful effect is achieved under the condition of meeting the requirements of customers.

Description

Technical Field

[0001] The utility model belongs to the technical field of leather, and in particular relates to laser punched shape leather. Background Art

[0002] Traditional leather production often uses mechanical punching machines. Although convenient, they can only perform simple processing and cannot achieve high-tech perforation. Laser punching of leather shapes is simple and convenient to control, with accurate dimensions and high work efficiency. Therefore, laser punching is becoming more and more widely used.

[0003] Typically, laser punching and marking only have monotonous colors. The marks are usually gray or different shades of white. Therefore, the colors are relatively monotonous, lacking a sense of fashion, and the decorative effect is average. It is difficult to meet the development trend requirements of diversified product styles. Utility Model Content

[0004] In view of the above-mentioned technical problems, the utility model provides a laser-punched shaped leather.

[0005] The technical solution of the utility model is:

[0006] The utility model relates to a laser-perforated shaped leather, comprising a base fabric layer, an adhesive layer, a surface layer group and a surface treatment layer arranged in sequence, wherein the surface layer group consists of at least two surface layers, and at least two of the surface layers have different colors, and the laser-perforated shaped leather is provided with at least one perforation, the perforation passes through the surface treatment layer and at least one surface layer, and the number of surface layers provided with the perforation is less than the total number of surface layers.

[0007] Preferably, the perforations are formed by laser drilling. Compared to conventional mechanical drilling, the laser punching process allows for customized mass production of holes in different locations and shapes without the need for molds. Equipped with a conventional laser drilling machine, the laser marking machine uses lasers for positioning and the creation of colorful, custom-shaped holes.

[0008] Preferably, the base fabric layer is made of PET material, and the base fabric layer is made by warp knitting process.

[0009] Preferably, the surface layer group consists of two surface layers, the surface layer close to the surface treatment layer is red, and the other surface layer is yellow, and the perforations penetrate through the surface treatment layer and the red surface layer to reveal the yellow surface layer.

[0010] Preferably, the laser-perforated styling leather is further provided with processing holes, and the processing holes pass through the base fabric layer, the adhesive layer, the surface layer group and the surface treatment layer.

[0011] The beneficial effects of the utility model are:

[0012] (1) The utility model controls the depth of laser punching to show the color of the leather layer structure and achieve a colorful effect. This technology can be applied to add LOGO, personalized graphic interpretation, exquisite carving, etc. on products such as seats, steering wheels, and headrests, making the decorative effect better and more fashionable.

[0013] (2) According to processing requirements, processing holes can also be set on the leather to pass through the base fabric layer. The corresponding base fabric layer is made of PET material and is made using a warp knitting process. The tearing, breaking, elongation, etc. of the base fabric layer before and after punching will not be much different, so that the product after laser punching still has good physical properties. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0015] Figure 1 It is a structural diagram of the present utility model.

[0016] The markings in the figure are: 1, base fabric layer; 2, adhesive layer; 3, first surface layer; 4, second surface layer; 5, surface treatment layer. DETAILED DESCRIPTION

[0017] To make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are merely illustrative and are not intended to limit the scope of the present invention. Furthermore, descriptions of known structures and technologies are omitted in the following description to avoid unnecessary confusion regarding the concepts of the present invention.

[0018] like Figure 1 As shown, a laser-perforated shaped leather includes a base fabric layer, an adhesive layer, a first surface layer, a second surface layer and a surface treatment layer arranged in sequence, wherein the first surface layer is yellow and the second surface layer is red. The leather is provided with at least one perforation, the number and shape of the perforations are designed according to requirements, and the perforation passes through the surface treatment layer and the red second surface layer, revealing the yellow first surface layer.

[0019] Similarly, by increasing the number of surface layers and varying the color of each, and controlling the depth of the laser drilling, customized multi-colored patterns can be achieved. For example, if there are three surface layers with different colors, controlling the depth of the laser drilling can display different colors. In other words, by adjusting the depth of the incision and matching the color, a multi-colored effect can be achieved while meeting customer needs.

[0020] The perforations on the leather are created by laser drilling, and the scars left by laser burning or oxidation can show the color of the material itself.

[0021] In addition, in the actual processing process, it is sometimes necessary to obtain processing holes that pass through the base fabric layer, the adhesive layer, the first surface layer, the second surface layer and the surface treatment layer. The base fabric layer of this embodiment adopts a base fabric made of PET material, and the base fabric layer is made by warp knitting technology, so that the tearing, breaking, elongation, etc. of the base fabric layer before and after punching will not be too different, so that the product after laser punching still has good physical properties.

[0022] The specific process of preparing laser-perforated shaped leather is divided into a preparation stage and a processing stage.

[0023] 1. Preparation

[0024] 1. Prepare raw materials according to the design formula of the adhesive layer (also called foaming layer), the first surface layer, the second surface layer and the surface treatment layer.

[0025] 2. Prepare the base fabric and release paper. The base fabric layer is made of PET material.

[0026] 2. Processing stage

[0027] 1. Process according to the conventional PU leather processing process

[0028] A first surface layer liquid and a second surface layer liquid are prepared, wherein the first surface layer liquid is composed of polyurethane, yellow pigment and a dissolving medium, and the second surface layer liquid is composed of polyurethane, red pigment and a dissolving medium. The first surface layer liquid and the second surface layer liquid are then degassed, the second surface layer liquid is first coated on release paper, and dried to form a second surface layer, and the first surface layer liquid is then coated on the second surface layer, and dried to form a first surface layer.

[0029] Prepare a bonding layer liquid, which is composed of polyurethane, a hardener, a catalyst, a solvent, and a flame retardant, apply the bonding layer liquid on the first surface layer, and dry and shape it to obtain a bonding layer;

[0030] Laminating the adhesive layer and the base fabric layer together to form a base blank consisting of a protective release paper, a second surface layer, a first surface layer, an adhesive layer and a base fabric layer, and then peeling off the release paper;

[0031] Prepare a surface layer treatment liquid consisting of polyurethane, a cross-linking agent, a thickener, a hand feeling agent and water; apply the surface layer treatment liquid on the second surface layer and then bake.

[0032] 2. Laser punch the processed PU leather. When the laser burns the second surface layer, the yellow color of the first surface layer will appear. By adjusting the depth and shape of the cut, a colorful effect can be achieved while meeting customer needs.

[0033] It should be understood that the above-described specific embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and do not constitute limitations of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the scope of protection of the present invention. In addition, the appended claims of the present invention are intended to cover all variations and modifications that fall within the scope and metes and bounds of the appended claims, or equivalents thereof.

Claims

1. A laser-perforated leather, comprising a base fabric layer, an adhesive layer, a surface layer group and a surface treatment layer arranged in sequence, characterized in that: The surface layer group consists of at least two surface layers, and at least two of the surface layers have different colors. The laser-perforated styling leather is provided with at least one perforation, and the perforation passes through the surface treatment layer and at least one surface layer. The number of surface layers provided with the perforation is less than the total number of surface layers.

2. The laser punched shaped leather according to claim 1, characterized in that: The perforations are formed by laser drilling.

3. The laser perforated shaped leather according to claim 1, characterized in that: The base fabric layer is made of PET material, and the base fabric layer is made by warp knitting technology.

4. The laser perforated shaped leather according to claim 1, characterized in that: The surface layer group consists of two surface layers, the surface layer close to the surface treatment layer is red, and the other surface layer is yellow. The perforations penetrate through the surface treatment layer and the red surface layer, revealing the yellow surface layer.

5. The laser perforated leather according to claim 1, characterized in that: The laser punched shaped leather is further provided with processing holes, and the processing holes pass through the base fabric layer, the adhesive layer, the surface layer group and the surface treatment layer.

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