CN113287833A

CN113287833A - 3D printed vamp and manufacturing method thereof

Info

Publication number: CN113287833A
Application number: CN202110737372.2A
Authority: CN
Inventors: 郭联敏; 蔡宇辉; 谭鸿; 纪巧燕
Original assignee: Xtep China Co Ltd
Current assignee: Xtep China Co Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-08-24

Abstract

The invention relates to a 3D printing vamp which comprises a vamp body corresponding to a foot, wherein the vamp body comprises a base body formed by interweaving yarns and a printing body formed on the base body in a 3D printing mode, the yarns at least comprise first yarns made of 3D printing materials capable of performing 3D printing, and the printing body at least comprises a first printing body made of the 3D printing materials. After the technical scheme is adopted, the vamp body comprises a base body which is interwoven by yarns and a printing body which is printed on the base body, the base body is interwoven by the yarns and is relatively soft and comfortable, the yarns at least comprise first yarns which are made of 3D printing materials capable of performing 3D printing, the printing body at least comprises a first printing body which is made of the 3D printing materials, the first printing body and the yarns can be better compatible and bonded, the stability of the vamp is improved, and meanwhile the supporting performance and the stereoscopic impression of the vamp body can be improved.

Description

3D printed vamp and manufacturing method thereof

Technical Field

The invention relates to a 3D printing vamp and a manufacturing method thereof.

Background

Traditional textile vamp generally is woven by the yarn and forms, weaves and to adopt shuttle knitting, warp knitting and weft knitting, and textile vamp has soft comfortable, light, the better advantage of gas permeability, and its third dimension is relatively poor, in order to promote the third dimension of vamp, the main way on the market is: 1. the piece is decorated in the laminating in addition on the vamp, and the risk that the piece was decorated in the laminating dropped is great, and its holistic operation flow is also longer. 2. And (3D printing technology is adopted, a printing path is formed according to the 3D model to be printed, and the printing nozzle sprays the molten material at a preset position according to the printing path to form the vamp. The 3D prints the printing material that the vamp can deposit the different number of piles in the different positions of vamp, carries out individualized design, improves the third dimension of vamp, and the manufacturing procedure of whole vamp is also simple and easy relatively, but 3D prints the vamp and easily breaks, compares in weaving vamp, and its bulk hardness is great, and the compliance is relatively poor, influences the travelling comfort of dress.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

Disclosure of Invention

The invention aims to provide a 3D printed vamp which is comfortable to wear, good in stereoscopic impression and stable in structure, and the invention also aims to provide a manufacturing method of the 3D printed vamp, which has the advantages of convenience in processing and high efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a 3D prints vamp, includes the vamp body that corresponds with the foot, and the vamp body includes the base member that forms by yarn interweaving and forms the printing body on the base member with 3D printing mode, the yarn includes at least that the adoption can carry out the first yarn that 3D printed material made, the printing body includes at least that the adoption 3D printed material made the first printing body.

In a preferred embodiment of the present invention, the yarn further includes a second yarn, the second yarn is a non-3D printed material, and the second yarn is interlaced with the first yarn by weaving or knitting.

In a preferred embodiment of the present invention, the first yarn is a TPU yarn, a TPEE yarn or a TPE yarn.

In a preferred embodiment of the present invention, the second yarn is polyester, nylon, or cotton yarn.

In a preferred embodiment of the present invention, in a region having the first printed material, the first yarn in the base accounts for 50 to 80% by mass of the yarn in the region.

As a preferable mode of the invention, the vamp body is provided with a toe cap part corresponding to the front part of the sole after being flatly spread, a first connecting piece arranged on the toe cap part and extending backwards and a second connecting piece arranged on the toe cap part and extending backwards, and a tongue mouth part for installing a tongue and a shoe mouth part for wearing the foot are formed between the first connecting piece and the second connecting piece.

In a preferred embodiment of the present invention, the first printed body includes a first reinforcing sheet and a second reinforcing sheet which are combined with each other along a circumferential edge of the tongue opening, the first reinforcing sheet is disposed on the first connecting sheet, the second reinforcing sheet is disposed on the second connecting sheet, a position of the upper body corresponding to the arch of the human body is an arch portion, a position of the upper body corresponding to the heel of the human body is a heel portion, the first printed body further includes a third reinforcing sheet and a fourth reinforcing sheet which are combined with the upper body, the third reinforcing sheet is disposed on the first connecting sheet and extends from the arch portion to the heel portion, and the fourth reinforcing sheet is disposed on the second connecting sheet and extends from the arch portion to the heel portion.

The invention further provides a manufacturing method of the 3D printing vamp, the base body formed by interweaving the yarns is placed on the platform, the printing body is printed on the base body through 3D printing equipment, the vamp body is formed, the yarns at least comprise first yarns made of 3D printing materials capable of conducting 3D printing, and the printing body at least comprises the first printing body made of the 3D printing materials.

As a preferred mode of the present invention, after the printed body is printed on the substrate by the 3D printing apparatus and the upper body is formed, the upper body is also thermally pressed.

In a preferred embodiment of the present invention, the hot pressing is carried out at a temperature of 150 ℃ to 220 ℃ for 8 to 12 seconds and at a pressure of 0.02MPa to 0.8 MPa.

After the technical scheme is adopted, the vamp body comprises a base body which is interwoven by yarns and a printing body which is printed on the base body, the base body is interwoven by the yarns and is relatively soft and comfortable, the yarns at least comprise first yarns which are made of 3D printing materials capable of performing 3D printing, the printing body at least comprises a first printing body which is made of the 3D printing materials, the first printing body and the yarns can be better compatible and bonded, the stability of the vamp is improved, the supporting performance and the stereoscopic impression of the vamp body can be improved, meanwhile, the 3D printing technology can be utilized to realize personalized customization, the traditional vamp and the 3D printing technology can be mutually combined for use, the limitation of the traditional industry is broken through, the new technology is reasonable in the traditional industry, and the new technology is properly applied.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of one of the structures of the present invention.

In the figure:

first connecting piece 11 of base body 10

Second connecting piece 12 toe part 101

Arch 102 heel 103

Tongue mouth 104 and mouth 105

First yarn 107 and second yarn 108

First reinforcing sheet 21 and second reinforcing sheet 22

Third reinforcing sheet 23 fourth reinforcing sheet 24

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is made with reference to the embodiments.

Referring to fig. 1 to 2, a 3D printing shoe upper comprises a shoe upper body corresponding to a foot, the shoe upper body comprises a base 10 formed by interweaving yarns and a printing body formed on the base 10 in a 3D printing manner, the 3D printing employs the existing printing technology to print a molten printing material onto the base 10 from a nozzle, the yarns at least comprise first yarns 107 made of a 3D printing material capable of 3D printing, and the printing body at least comprises a first printing body made of the 3D printing material.

In the invention, the yarns can be made of 3D printing materials capable of performing 3D printing, the diameters of the yarns are the diameters of the yarns commonly used in the vamp field, and the yarns are small in diameter and easy to bend, so that the processed fabric is soft. In a preferred embodiment of the present invention, the yarns further include a second yarn 108, the second yarn 108 is a non-3D printing material, i.e. a common yarn in the market, such as polyester, nylon or cotton yarn, which is generally softer than a yarn made of a 3D printing material, and the second yarn 108 is interwoven with the first yarn 107 in a woven or knitted manner, and fig. 2 is a schematic diagram showing a weave structure using woven.

In a preferred embodiment of the present invention, the first yarn 107 is a TPU yarn, a TPEE yarn, or a TPE yarn.

In a preferred mode of the invention, in the area with the first printing body, the first yarns 107 in the base body 10 account for 50-80% of the mass ratio of the yarns in the area, and by adopting the ratio, the printing body and the vamp body can be well bonded together, and meanwhile, the situation that the vamp body is locally too stiff due to the fact that the base body 10 is completely made of 3D printing materials is avoided. In the areas where there is no first printed body, the upper body may be made of a conventional upper fabric, or may be made of a fabric having first yarns 107.

As a preferable mode of the invention, the vamp body is provided with a toe cap part 101 corresponding to the front part of the sole of a foot after being flatly spread, a first connecting piece 11 arranged on the toe cap part 101 and extending backwards and a second connecting piece 12 arranged on the toe cap part 101 and extending backwards, the first connecting piece 11 and the second connecting piece 12 are respectively arranged on two sides of the toe cap part 101, the maximum distance between the first connecting piece 11 and the second connecting piece 12 is gradually increased from front to back, and a tongue mouth part 104 for installing a tongue and a shoe mouth part 105 for a foot to penetrate are formed between the first connecting piece 11 and the second connecting piece 12.

In a preferred embodiment of the present invention, the first printed body includes a first reinforcing sheet 21 and a second reinforcing sheet 22 which are combined to the peripheral edge of the tongue opening, the first reinforcing sheet 21 is provided on the first connecting sheet 11, and the second reinforcing sheet 22 is provided on the second connecting sheet 12, so that the tongue opening 104 is effectively supported. The position of the upper body corresponding to the arch of the human body is an arch part 102, the position corresponding to the heel of the human body is a heel part 103, the first printing body further comprises a third reinforcing sheet 23 and a fourth reinforcing sheet 24 which are compounded on the upper body, the third reinforcing sheet 23 is arranged on the first connecting sheet 11 and extends from the arch part 102 to the heel part 103, and the fourth reinforcing sheet 24 is arranged on the second connecting sheet 12 and extends from the arch part 102 to the heel part 103. According to the invention, through the arrangement of the first reinforcing sheet 21, the second reinforcing sheet 22, the third reinforcing sheet 23 and the fourth reinforcing sheet 24, the vamp body can be more shaped and not easy to collapse, and meanwhile, by utilizing the characteristics of the 3D printing technology, the first reinforcing sheet 21, the second reinforcing sheet 22, the third reinforcing sheet 23 and the fourth reinforcing sheet 24 can adopt different thicknesses, and different areas of the first reinforcing sheet 21, the second reinforcing sheet 22, the third reinforcing sheet 23 and the fourth reinforcing sheet 24 can also adopt different thicknesses so as to adapt to the change of the structure of the foot.

The invention also provides a manufacturing method of the 3D printing vamp, which comprises the steps of placing the base body 10 formed by interweaving yarns on a platform, printing a printing body on the base body 10 through 3D printing equipment to form a vamp body, wherein the yarns at least comprise first yarns 107 made of 3D printing materials capable of performing 3D printing, and the printing body at least comprises the first printing body made of the 3D printing materials.

As a preferred mode of the present invention, after the printed body is printed on the substrate 10 by the 3D printing device and the vamp body is formed, the vamp body is further hot-pressed, specifically, the vamp body is placed in a hot-pressing machine for hot-pressing. In a preferred embodiment of the present invention, the hot pressing is carried out at a temperature of 150 ℃ to 220 ℃ for 8 to 12 seconds and at a pressure of 0.02MPa to 0.8 MPa. According to the invention, the first yarn 107 can be softened and the printing body can be softened through hot pressing, the first yarn 107 and the printing body can be well bonded together under the action of certain pressure and time, and the printing body is not easy to fall off from the substrate 10 after cooling.

The product form of the present invention is not limited to the embodiments, and any suitable changes or modifications of the similar ideas by anyone should be considered as not departing from the patent scope of the present invention.

Claims

1. The utility model provides a 3D prints vamp which characterized in that: the shoe upper comprises an upper body corresponding to a foot, wherein the upper body comprises a base body formed by interweaving yarns and a printing body formed on the base body in a 3D printing mode, the yarns at least comprise first yarns made of 3D printing materials capable of performing 3D printing, and the printing body at least comprises a first printing body made of the 3D printing materials.

2. The 3D printed upper according to claim 1, wherein: the yarns further comprise a second yarn, the second yarn is a non-3D printing material, and the second yarn is interwoven with the first yarn in a weaving or knitting mode.

3. The 3D printed upper according to claim 2, wherein: the first yarn is TPU yarn, TPEE yarn or TPE yarn.

4. A 3D printed shoe upper according to claim 3, wherein: the second yarn is polyester, nylon or cotton yarn.

5. The 3D printed upper according to claim 4, wherein: in the region with the first printed body, the first yarns in the matrix account for 50-80% of the mass ratio of the yarns in the region.

6. The 3D printed upper according to claim 5, wherein: the vamp body has the toe cap portion that corresponds the sole anterior after spreading smoothly, sets up at the toe cap portion and the first connection piece that extends backward and sets up at the toe cap portion and the second connection piece that extends backward, forms the tongue mouth portion that is used for installing the tongue and supplies the foot to wear the welt portion of putting between first connection piece and the second connection piece.

7. The 3D printed upper according to claim 6, wherein: the first printing body comprises a first reinforcing sheet and a second reinforcing sheet which are compounded on the periphery of a tongue opening, the first reinforcing sheet is arranged on the first connecting sheet, the second reinforcing sheet is arranged on the second connecting sheet, a position of the vamp body corresponding to the arch of a human body is provided with an arch part, a position of the vamp body corresponding to the heel of the human body is provided with a heel part, the first printing body further comprises a third reinforcing sheet and a fourth reinforcing sheet which are compounded on the vamp body, the third reinforcing sheet is arranged on the first connecting sheet and extends from the arch part to the heel part, and the fourth reinforcing sheet is arranged on the second connecting sheet and extends from the arch part to the heel part.

8. A manufacturing method of a 3D printed vamp is characterized in that: the method comprises the steps of placing a base body formed by interweaving yarns on a platform, printing out a printing body on the base body through 3D printing equipment and forming an upper body, wherein the yarns at least comprise first yarns made of 3D printing materials capable of performing 3D printing, and the printing body at least comprises a first printing body made of the 3D printing materials.

9. The manufacturing method according to claim 8, characterized in that after the printing body is printed on the substrate by the 3D printing equipment and the vamp body is formed, the vamp body is also hot-pressed.

10. The method of claim 9, wherein the hot pressing is at a temperature of 150 ℃ to 220 ℃, for a time of 8 to 12 seconds, and at a pressure of 0.02MPa to 0.8 MPa.