A kind of integrally formed 3D flying woven shoe upper and its preparation method

Abstract

The invention discloses an integrally formed 3D flyknitted vamp and a making method thereof.Low-melting yarn and dyed yarn are adopted as raw materials, an upper layer of double-faced jacquard vamp body and a lower layer of double-faced jacquard vamp body with the edges interwoven together are woven on a bidirectional jacquard double-faced loop transfer computer flat knitting machine, openwork figured texture weave is primary weave, different weave structures are adopted in functional zones of the vamp, and then the integrally formed 3D flyknitted vamp is made through hot pressing shaping.The temperature of hot pressing shaping ranges from 170 DEG C to 200 DEG C, and the time of hot pressing shaping ranges from 20 s to 80 s.Each double-faced jacquard vamp body comprises a dyed yarn layer and a low-smelting yarn layer which are interwoven together through yarn coils, and the integrally formed 3D flyknitted vamp is formed by bonding and combining the two layers of double-faced jacquard vamp bodies according to the wave structure of one dyed yarn layer, one low-melting yarn layer, the other low-melting yarn and the other dyed yarn layer through the upper low-melting yarn layer and the lower low-melting yarn layer in a hot pressing and melting mode.The integrally formed 3D flyknitted vamp has the advantages of being soft, comfortable, durable, colorful, attractive, low in cost and the like.

Description

technical field [0001] The invention relates to a shoe upper and a preparation method thereof, in particular to an integrally formed 3D fly-woven shoe upper and a preparation method thereof. Background technique [0002] The uppers of traditional sports shoes are generally prepared by sewing and post-processing the cut and sliced ​​fabrics. The preparation process is long and complicated, and the patterns of the uppers are about complicated. It is impossible to achieve a complete fit with the feet, and it is easy to squeeze and rub the feet to cause discomfort. [0003] Facing the shortcomings of traditional sports uppers, the newly developed knitted uppers overcome the shortcomings of complex processing procedures, inability to fully fit the feet and discomfort of the feet. At the same time, the knitted mesh and designed holes of the knitted upper itself The structure makes the upper breathable, soft and comfortable. [0004] Chinese invention patent CN 104032468 A disclo...

AI Technical Summary

Problems solved by technology

The shoe upper produced by this method uses polyester low-melting colored yarn with a skin-core structure with a melting point of 160-180°C and a fineness of 600-800D to bond the double-sided weft-knitted jacquard upper fabric coils to each other. The high density and fineness generally lead to high energy consumption in the finishing process, and the upper feels hard; the dyed yarn with low melting point is used, and there are many processing steps. The cost of uniform low-melting color yarn is high, which is not conducive to reducing the cost of shoe materials and increasing the risk of color difference on the upper