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Vamp three-dimensional pattern forming method and vamp with three-dimensional pattern

A pattern forming and shoe upper technology, which is applied in the direction of shoemaking machinery, shoe uppers, footwear, etc., can solve the problems of pattern corrosion, difficulty in providing visual effects and three-dimensional sense, and falling.

Active Publication Date: 2022-04-15
广东康诚新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the pattern prepared by this method is easy to fall off from the upper, and the bonding effect is low, and the stability is low
Moreover, the patterns formed by the above three molding methods are mostly planar, so it is difficult to provide special visual effects and three-dimensional effects. At the same time, the patterns formed by the above three molding methods are coated with back glue solution. Solvents can easily corrode the pattern, resulting in floating color of the pattern

Method used

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  • Vamp three-dimensional pattern forming method and vamp with three-dimensional pattern
  • Vamp three-dimensional pattern forming method and vamp with three-dimensional pattern

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A method for forming a three-dimensional pattern on a vamp, characterized in that the steps include:

[0036] (1) Prepare a polyurethane thermoplastic film that matches the cavity of the mold, put the printing material into the barrel of the 3D printing device, design the 3D printing pattern in the computer system, and through the linkage between the 3D printing device and the computer system, the 3D The printed pattern is printed on the polyurethane thermoplastic film, wherein the polyurethane thermoplastic film includes 85 parts of TPU and 15 parts of PU in parts by mass, and the printed material includes 60 parts of polynylon and 0.4 parts of polyamide in terms of parts by mass. Ether-modified polysiloxane copolymer, 0.3 parts of fumed silica, 2 parts of pigment yellow, 1 part of pigment red and 0.8 parts of titanium dioxide;

[0037] (2) Put the polyurethane thermoplastic film with 3D printing pattern into the cavity of the mould. There is a vacuum flow channel insi...

Embodiment 2

[0041] A method for forming a three-dimensional pattern on a vamp, characterized in that the steps include:

[0042](1) Prepare a polyurethane thermoplastic film that matches the cavity of the mold, put the printing material into the barrel of the 3D printing device, design the 3D printing pattern in the computer system, and through the linkage between the 3D printing device and the computer system, the 3D The printed pattern is printed on the polyurethane thermoplastic film, wherein the polyurethane thermoplastic film includes 80 parts of TPU and 20 parts of PU in parts by mass, and the printed material includes 70 parts of polynylon and 0.6 parts of polyamide in terms of parts by mass. Ether-modified polysiloxane copolymer, 0.5 parts of fumed silica, 2 parts of pigment yellow, 2 parts of pigment red and 1.2 parts of titanium dioxide;

[0043] (2) Put the polyurethane thermoplastic film with 3D printing pattern into the cavity of the mold. There is a vacuum flow channel insid...

Embodiment 3

[0047] A method for forming a three-dimensional pattern on a vamp, characterized in that the steps include:

[0048] (1) Prepare a polyurethane thermoplastic film that matches the cavity of the mold, put the printing material into the barrel of the 3D printing device, design the 3D printing pattern in the computer system, and through the linkage between the 3D printing device and the computer system, the 3D The printed pattern is printed on the polyurethane thermoplastic film, wherein the polyurethane thermoplastic film includes 85 parts of TPU and 15 parts of PU in parts by mass, and the printed material includes 60 parts of polynylon and 0.4 parts of polyamide in terms of parts by mass. Ether-modified polysiloxane copolymer, 0.3 parts of fumed silica, 2 parts of pigment yellow, 1 part of pigment red, 0.8 parts of titanium dioxide, 1.5 parts of graphene and 4 parts of o-diallyl bisphenol A;

[0049] (2) Put the polyurethane thermoplastic film with 3D printing pattern into the...

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Abstract

The invention discloses a vamp three-dimensional pattern forming method and a vamp with a three-dimensional pattern. The vamp three-dimensional pattern forming method comprises the steps that (1) a 3D printing pattern is designed in a computer system, and the 3D printing pattern is printed on a polyurethane thermoplastic film through linkage of a 3D printing device and the computer system; (2) putting the polyurethane thermoplastic film with the 3D printing pattern into a cavity of a mold, and then carrying out vacuum adsorption positioning, wherein the 3D printing pattern is far away from the inner wall of the cavity; (3) molten thermoplastic polyurethane rubber is injected into the cavity in an injection molding mode, a sample piece is formed through heating molding, and the heating molding temperature ranges from 225 DEG C to 250 DEG C; and (4) taking out the sample piece from the mold, cooling, and attaching the sample piece to the vamp. Due to the fact that the protective film is formed on the surface of the 3D printing pattern, the pattern is not prone to fading and color crossing, the pattern can be stably attached to the vamp, and meanwhile the special visual effect and stereoscopic impression can be achieved.

Description

technical field [0001] The invention belongs to the technical field of vamp patterns, and in particular relates to a method for forming a three-dimensional pattern of vamps and the vamp. Background technique [0002] With the development of China's manufacturing industry, China's footwear industry has developed rapidly and has become the world's main footwear manufacturing base. Printed sole is to print patterns or colors on the inside and outside of the sole, so as to make the sole more beautiful and meet people's pursuit of high-quality life. [0003] Currently on the market, shoe upper pattern forming methods often include: (1) spraying or printing: prepare a pattern base sample on the shoe upper, and then apply ink to the shoe upper by spraying or printing according to the design of the base sample. However, the pattern made in this way is prone to problems such as color crossing or unclear edges at the border of different colors, and the pattern is easy to fade after l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C69/00A43D8/16A43B23/24A43B23/02B29L31/50
Inventor 李朋张世平
Owner 广东康诚新材料科技股份有限公司
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