Vamp preparation method capable of improving three-dimensional effect

Abstract

A preparation method of a three-dimensional vamp comprises the following steps that a 3D printer with a first track, a second track and a third track is selected, and synthetic leather or screen cloth serves as a subbase layer; a layer of hot melt glue is printed on the surface of the subbase layer through a first track of a 3D printer, and a cross-linking layer is formed; photosensitive resin is sprayed on the surface of the cross-linking layer through a second track of the 3D printer, and in the spraying process, UV light curing treatment is carried out, so that the photosensitive resin is cured to form a three-dimensional layer; printing colors or patterns on the three-dimensional layer by adopting a third track of the 3D printer to form a pattern layer; processing the material forming the pattern layer into textures or anti-counterfeiting patterns to obtain a texture layer; and a laser cutting machine is adopted for cutting according to the required size, and preparation of the three-dimensional vamp is completed. The three-dimensional pattern effect is directly formed on the cloth, then the vamp is obtained through cutting, automatic production is improved, the production space is saved, and the color of the process surface is enriched.

Description

Technical Field

[0001] The invention relates to the technical field of shoe upper preparation, in particular to a shoe upper preparation method for improving three-dimensional effect. Background Art

[0002] As consumers' demands become higher and higher, in addition to meeting basic wearing needs, consumers have also put forward higher requirements for the decorative aesthetics of shoes.

[0003] The preparation of three-dimensional patterns on the upper can reflect the beauty and decorativeness of the upper. The three-dimensional patterns include textures, multiple colors, etc. At present, the three-dimensional upper is basically prepared by silk screen printing. After the parts are cut, they are manually laid on the silk screen printing platform. After the silk screen printing is piled up to a certain height, the surface is covered with color. This method has the following problems: 1. There are many manual processes, and it is easy to have printing position deviation, resulting in quality problems; 2. The degree of automation is not high, and the production space is large; 3. The color is single, and it is difficult to form a multi-color pattern effect; 4. It is necessary to open a screen plate, which is not environmentally friendly and takes a long time to make the plate. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a method for preparing a three-dimensional shoe upper.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A method for preparing a three-dimensional shoe upper comprises the following steps:

[0007] Select a 3D printer with three tracks, namely the first track, the second track and the third track, and use synthetic leather or mesh as the base layer;

[0008] A first track of the 3D printer is used to print a layer of hot melt glue on the surface of the base layer to form a cross-linked layer;

[0009] The second track of the 3D printer is used to spray photosensitive resin on the surface of the cross-linked layer. During the spraying process, UV light curing treatment is performed to cure the photosensitive resin to form a three-dimensional layer;

[0010] The third track of the 3D printer is used to print colors or patterns on the three-dimensional layer to form a pattern layer;

[0011] Processing the material forming the pattern layer into a texture or anti-counterfeiting pattern to obtain a texture layer;

[0012] A laser cutting machine is used to cut and cut according to the required size to complete the preparation of the three-dimensional shoe upper.

[0013] A Wanli roller press is used to make a pattern on the surface of the Wanli roller or add a release film with an anti-counterfeiting pattern made by 3D laser. The texture on the roller or the texture on the release film is pressed onto the pattern layer through a roller.

[0014] The thickness of the cross-linked layer formed by the hot melt adhesive is 0.12-0.2 mm.

[0015] The thickness of the three-dimensional layer is 0.3-0.5 mm.

[0016] A method for preparing a three-dimensional shoe upper comprises the following steps: selecting a 3D printer having three tracks, namely, a first track, a second track and a third track;

[0017] Substrate: Choose PVC or PET coil as raw material;

[0018] A layer of hot melt glue with a thickness of 0.12-0.25 mm is printed on the surface of the base layer using the first track of the 3D printer to form a cross-linking layer;

[0019] The second track of the 3D printer is used to spray a photosensitive resin with a thickness of 0.3-0.5 mm on the surface of the cross-linked layer. During the spraying process, UV light curing is performed to form a three-dimensional layer;

[0020] The third track of the 3D printer is used to print colors or patterns on the three-dimensional layer to form a pattern layer;

[0021] Then it passes through the Wanli roller press to make a pattern on the surface of the Wanli roller or passes through the roller to press the texture on the roller or the texture on the release film onto the pattern layer to form a texture layer;

[0022] After the texture layer is pressed, it is transported to the corresponding roller, and a layer of PVC or PET is attached to the surface of the texture layer to form a heat transfer protective layer;

[0023] Use a laser cutting machine to cut and cut according to the required size to obtain the upper parts of the set size;

[0024] Tear off the transfer protective layer, transfer the cut upper parts onto the mesh to complete the preparation of the three-dimensional upper.

[0025] After completing the three-dimensional layer and before printing the pattern layer, first print another layer of hot melt glue with a thickness of 0.12-0.25MM on the three-dimensional layer to form a second cross-linked layer, and then prepare the texture layer on the second cross-linked layer.

[0026] A method for preparing a three-dimensional shoe upper comprises the following steps:

[0027] Select a 3D printer with three tracks, namely the first track, the second track and the third track.

[0028] For the base layer, choose a PET release paper with texture that has been processed by 3D laser and covered with a layer of PU resin;

[0029] Printing a color or pattern on the base layer using the first track of the 3D printer to form a pattern layer;

[0030] The second track of the 3D printer is used to spray a photosensitive resin with a thickness of 0.3-0.5 mm on the surface of the cross-linked layer. During the spraying process, UV light curing is performed to form a three-dimensional layer;

[0031] Use the third track of the 3D printer to print a layer of hot melt glue with a thickness of 0.12-0.25MM on the three-dimensional layer as a cross-linking layer between the three-dimensional layer and the base layer;

[0032] Attach a layer of PVC or PET to the cross-linked layer to form a protective layer;

[0033] Use a laser cutting machine to cut and cut according to the required size to obtain the upper parts of the set size;

[0034] Tear off the protective layer and transfer the cut upper parts to the mesh to complete the preparation of the three-dimensional upper.

[0035] Compared with the prior art, the present invention has the following beneficial technical effects:

[0036] 1. No need to make screens, environmentally friendly, speeds up development time, and is especially suitable for mass production;

[0037] 2. Directly generate the pattern effect before cutting, which is more accurate and can be prepared with a complete set of rolls, which is convenient and fast;

[0038] 3. Improve automated production, save production space, and do not require additional equipment;

[0039] 4. It can form richer color effects. DETAILED DESCRIPTION

[0040] The embodiments of the present invention are described in detail below, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The following embodiments are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0041] In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like are involved, the orientation or position relationship indicated is based on the orientation or position relationship shown, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0042] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] Embodiment 1

[0044] A method for preparing a three-dimensional shoe upper comprises the following steps:

[0045] Choose a 3D printer with three tracks, namely the first track, the second track and the third track, with synthetic leather or mesh cloth with smaller mesh as the base layer, mainly with a width of 0.9-1.82 meters, and can be equipped with a whole roll of materials, such as a mesh diameter of 0.1-0.3mm.

[0046] A layer of hot melt glue with a thickness of 0.12-0.2 mm is printed on the surface of the base layer using the first track of the 3D printer to form a cross-linking layer.

[0047] The second track of the 3D printer is used to spray photosensitive resin on the surface of the cross-linked layer. During the spraying process, UV light curing treatment is performed to cure the photosensitive resin to form a three-dimensional layer with a thickness of 0.3-0.5mm. The cross-linked layer is used to bond the three-dimensional layer and the base layer. During the spraying process, UV light curing of the resin layer is synchronized to speed up production.

[0048] The third track of the 3D printer is used to print colors or patterns on the three-dimensional layer to form a pattern layer; the color transition and gradient of the printed pattern are rich to form a rich pattern layer.

[0049] The material forming the pattern layer is processed into a texture or anti-counterfeiting pattern to obtain a texture layer. A Wanli roller press machine can be used to make a pattern on the surface of the Wanli roller or add a release film with an anti-counterfeiting pattern made by 3D laser. The texture on the roller or the release film is pressed onto the pattern layer through a roller. The directly generated anti-counterfeiting pattern is used to improve the technical barriers.

[0050] Use a laser cutting machine to cut and trim according to the required size, automate production, improve production efficiency, and complete the preparation of the three-dimensional upper.

[0051] By preparing the pattern effect on the entire roll first and then cutting it, the silk screen printing process can be saved.

[0052] Embodiment 2

[0053] A method for preparing a three-dimensional shoe upper comprises the following steps: selecting a 3D printer having three tracks, namely, a first track, a second track and a third track;

[0054] Base layer: PVC or PET coil is selected as the raw material, with a width of 0.9-1.82M and no limit on length. In this embodiment, the base layer is provided with mesh holes, and the diameter of the mesh holes is larger than the diameter of the mesh holes in the first embodiment, such as 0.5mm.

[0055] A layer of hot melt glue with a thickness of 0.12-0.25 mm is printed on the surface of the base layer using the first track of the 3D printer to form a cross-linking layer.

[0056] The second track of the 3D printer is used to spray a photosensitive resin with a thickness of 0.3-0.5 mm on the surface of the cross-linked layer. During the spraying process, UV light curing treatment is performed to form a three-dimensional layer.

[0057] The third track of the 3D printer is used to print colors or patterns on the three-dimensional layer to form a pattern layer.

[0058] Then it passes through the Wanli roller press to create a pattern on the surface of the Wanli roller or passes through a roller to press the texture on the roller or the texture on the release film onto the pattern layer to form a texture layer.

[0059] After the texture layer is pressed, it is transported to the corresponding roller, and a layer of PVC or PET is attached to the surface of the texture layer to form a transfer protection layer.

[0060] A laser cutting machine is used to cut and trim the upper parts according to the required size to obtain the upper parts of the set size.

[0061] Tear off the transfer protective layer and transfer the cut upper parts onto the mesh to complete the preparation of the three-dimensional upper. Through transfer processing, the influence of the mesh on the flatness of the process surface can be reduced.

[0062] Embodiment 3

[0063] A method for preparing a three-dimensional shoe upper comprises the following steps: selecting a 3D printer having three tracks, namely, a first track, a second track and a third track;

[0064] Base layer: PVC or PET coil is selected as the raw material, with a width of 0.9-1.82M and no limit on length. In this embodiment, the base layer is provided with mesh holes, and the diameter of the mesh holes is larger than the diameter of the mesh holes in the first embodiment, such as 0.7mm.

[0065] A layer of hot melt glue with a thickness of 0.12-0.25 mm is printed on the surface of the base layer using the first track of the 3D printer to form a cross-linking layer.

[0066] The second track of the 3D printer is used to spray a photosensitive resin with a thickness of 0.3-0.5 mm on the surface of the cross-linked layer. During the spraying process, UV light curing treatment is performed to form a three-dimensional layer.

[0067] Print another layer of hot melt glue with a thickness of 0.12-0.25MM on the three-dimensional layer to form a second cross-linking layer.

[0068] Then, it passes through the Wanli roller press machine to create a pattern on the surface of the Wanli roller, or passes through the roller to press the texture on the roller or the texture on the release film onto the pattern layer to form a texture layer. Alternatively, you can choose metallic color, ordinary color, platinum paper with anti-counterfeiting pattern, and use the Wanli roller to compound the platinum paper on the surface of the second cross-linking layer, remove it, and form a texture, which will increase the technical barriers and reduce the chance of being imitated.

[0069] After the texture layer is pressed, it is transported to the corresponding roller, and a layer of PVC or PET is attached to the surface of the texture layer to form a transfer protection layer.

[0070] A laser cutting machine is used to cut and trim the upper parts according to the required size to obtain the upper parts of the set size.

[0071] Tear off the transfer protective layer and transfer the cut upper parts onto the mesh to complete the preparation of the three-dimensional upper. Through transfer processing, the influence of the mesh on the flatness of the process surface can be reduced.

[0072] Embodiment 4

[0073] A method for preparing a three-dimensional shoe upper comprises the following steps:

[0074] Select a 3D printer with three tracks, namely the first track, the second track and the third track.

[0075] For the base layer, choose a PET release paper with texture that has been processed by 3D laser, covered with a layer of PU resin, with a width of 0.9-1.82M and no limit on length.

[0076] Printing a color or pattern on the base layer using the first track of the 3D printer to form a pattern layer;

[0077] The second track of the 3D printer is used to spray a photosensitive resin with a thickness of 0.3-0.5 mm on the surface of the cross-linked layer. During the spraying process, UV light curing is performed to form a three-dimensional layer;

[0078] Use the third track of the 3D printer to print a layer of hot melt glue with a thickness of 0.12-0.25MM on the three-dimensional layer as a cross-linking layer between the three-dimensional layer and the base layer;

[0079] Attach a layer of PVC or PET to the cross-linked layer to form a protective layer;

[0080] Use a laser cutting machine to cut and cut according to the required size to obtain the upper parts of the set size;

[0081] Tear off the protective layer and transfer the cut upper parts to the mesh to complete the preparation of the three-dimensional upper.

[0082] For the four embodiments, the mesh diameters of the selected base layers are different, the mesh diameter used in embodiment 1 is the smallest, and the mesh diameter used in embodiment 4 is the largest. The smaller the mesh, the more detailed the pattern that can be printed, and the larger the mesh, the better the concave-convex effect can be formed.

[0083] It should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for preparing a three-dimensional shoe upper, characterized in that: The following steps are involved: Select a 3D printer with three tracks, namely the first track, the second track and the third track, and use synthetic leather or mesh as the base layer; A first track of the 3D printer is used to print a layer of hot melt glue on the surface of the base layer to form a cross-linked layer; The second track of the 3D printer is used to spray photosensitive resin on the surface of the cross-linked layer. During the spraying process, UV light curing treatment is performed to cure the photosensitive resin to form a three-dimensional layer; The third track of the 3D printer is used to print colors or patterns on the three-dimensional layer to form a pattern layer; Processing the material forming the pattern layer into a texture or anti-counterfeiting pattern to obtain a texture layer; A laser cutting machine is used to cut and cut according to the required size to complete the preparation of the three-dimensional shoe upper.

2. The method for preparing a three-dimensional shoe upper according to claim 1, characterized in that: A Wanli roller press is used to make a pattern on the surface of the Wanli roller or add a release film with an anti-counterfeiting pattern made by 3D laser. The texture on the roller or the texture on the release film is pressed onto the pattern layer through a roller.

3. The method for preparing a three-dimensional shoe upper according to claim 1, characterized in that: The thickness of the cross-linked layer formed by the hot melt adhesive is 0.12-0.2 mm.

4. The method for preparing a three-dimensional shoe upper according to claim 1, characterized in that: The thickness of the three-dimensional layer is 0.3-0.5 mm.

5. A method for preparing a three-dimensional shoe upper, characterized in that: The following steps are involved: Select a 3D printer with three tracks, namely the first track, the second track and the third track. Substrate: Choose PVC or PET coil as raw material; A layer of hot melt glue with a thickness of 0.12-0.25 mm is printed on the surface of the base layer using the first track of the 3D printer to form a cross-linking layer; The second track of the 3D printer is used to spray a photosensitive resin with a thickness of 0.3-0.5 mm on the surface of the cross-linked layer. During the spraying process, UV light curing is performed to form a three-dimensional layer; The third track of the 3D printer is used to print colors or patterns on the three-dimensional layer to form a pattern layer; Then it passes through the Wanli roller press to make a pattern on the surface of the Wanli roller or passes through the roller to press the texture on the roller or the texture on the release film onto the pattern layer to form a texture layer; After the texture layer is pressed, it is transported to the corresponding roller, and a layer of PVC or PET is attached to the surface of the texture layer to form a heat transfer protective layer; Use a laser cutting machine to cut and cut according to the required size to obtain the upper parts of the set size; Tear off the transfer protective layer, transfer the cut upper parts onto the mesh to complete the preparation of the three-dimensional upper.

6. The method for preparing a three-dimensional shoe upper according to claim 5, characterized in that: After completing the three-dimensional layer and before printing the pattern layer, first print another layer of hot melt glue with a thickness of 0.12-0.25MM on the three-dimensional layer to form a second cross-linked layer, and then prepare the texture layer on the second cross-linked layer.

7. A method for preparing a three-dimensional shoe upper, characterized in that: The following steps are involved: Select a 3D printer with three tracks, namely the first track, the second track and the third track. For the base layer, choose a PET release paper with texture that has been processed by 3D laser and covered with a layer of PU resin; Printing a color or pattern on the base layer using the first track of the 3D printer to form a pattern layer; The second track of the 3D printer is used to spray a photosensitive resin with a thickness of 0.3-0.5 mm on the surface of the cross-linked layer. During the spraying process, UV light curing is performed to form a three-dimensional layer; Use the third track of the 3D printer to print a layer of hot melt glue with a thickness of 0.12-0.25MM on the three-dimensional layer as a cross-linking layer between the three-dimensional layer and the base layer; Attach a layer of PVC or PET to the cross-linked layer to form a protective layer; Use a laser cutting machine to cut and cut according to the required size to obtain the upper parts of the set size; Tear off the protective layer and transfer the cut upper parts to the mesh to complete the preparation of the three-dimensional upper.