CN219249336U

CN219249336U - TPU coated optical fiber vamp product and shoes thereof

Info

Publication number: CN219249336U
Application number: CN202223022474.5U
Authority: CN
Inventors: 许金升; 许学潮; 苏思婷
Original assignee: Sincetech Fujian Technology Co Ltd
Current assignee: Sincetech Fujian Technology Co Ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-06-27
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a TPU coated optical fiber vamp product and shoes thereof, comprising a vamp, limiting wires and coated optical fibers, wherein the coated optical fibers are woven on the vamp through the limiting wires by electro-embroidering, and the coated optical fibers are optical fibers coated with thermoplastic polyurethane elastomer. According to the utility model, the TPU coated optical fiber is embroidered on the vamp, the side luminous property of the optical fiber is utilized, so that the vamp can emit light on the basis of showing different patterns, the bare optical fiber is fragile and easy to fold due to the material characteristics of the bare optical fiber, the outer layer of the bare optical fiber is usually required to be coated in the textile field, the optical fiber is protected by adopting a mode of winding and coating transparent fishing lines in the prior art, the optical fiber is easily twisted off by the force generated by winding, the outer layer is scattered due to the fact that the transparent fishing lines are not tightly wound, the refractive light intensity is different, and the thermoplastic polyurethane elastomer integrally formed is coated outside the optical fiber by adopting a process, so that the optical fiber is protected from damage and uniform light is emitted.

Description

TPU coated optical fiber vamp product and shoes thereof

Technical Field

The utility model relates to the technical field of footwear products, in particular to a TPU coated optical fiber vamp product and shoes thereof.

Background

Along with the development of the times, people increasingly pursue diversification of footwear products, manufacturers continuously develop new shoes to meet the demands of consumers, for example, in order to meet the demands of consumers for night running, luminous vamps are developed in the industry, after a port is connected with a light source, light is emitted normally, and part of light is exposed out of a coating layer, so that an optical fiber has the characteristic of side light emission, and on the basis of a conventional vamp, the luminous optical fiber is fixed on the vamp in an electroembroidery mode, so that the vamp emits light and has different patterns.

In the practical application process, the optical fiber is fragile and easy to break, complex and large-area patterns cannot be displayed on the vamp, in order to improve the folding endurance of the optical fiber, a layer of transparent filament is wound and coated outside the optical fiber in the prior art to protect the optical fiber and realize the functions of light emission and folding endurance, but a plurality of tests show that the optical fiber wound and coated with the transparent filament is easy to twist off the inner core of the optical fiber due to the fact that the transparent filament is wound in the same direction, the produced optical fiber cannot emit light, the break points generated by twisting are difficult to find, even if the produced optical fiber can emit light, the light emitted from the inner core is also deep and shallow due to the uneven surface of the optical fiber, and large-scale production is difficult to realize.

Disclosure of Invention

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and the appended drawings.

The utility model aims to overcome the defects, and provides a TPU coated optical fiber vamp product and a shoe thereof, wherein the TPU coated optical fiber is woven on the vamp by means of electro-embroidering, and the side light-emitting property of the optical fiber is utilized, so that the vamp can emit light on the basis of showing different patterns, the bare optical fiber is fragile and easy to fold due to the material characteristics of the bare optical fiber, the outer layer of the bare optical fiber is usually coated in the textile field, and the process is adopted to coat a layer of integrally formed thermoplastic polyurethane elastomer on the outer layer of the optical fiber, thereby being beneficial to protecting the optical fiber from damage and emitting uniform light.

In order to achieve the above object, the technical solution of the present utility model is: a TPU coated optical fiber vamp product comprises a vamp, a limiting wire and a coated optical fiber, wherein the coated optical fiber is woven on the vamp through the limiting wire in an electric embroidery mode, and the coated optical fiber is an optical fiber coated with a thermoplastic polyurethane elastomer. Compared with the conventional optical fiber, the optical fiber coated with the thermoplastic polyurethane elastomer is stronger in firmness and higher in elasticity, so that the problem of optical fiber breakage caused by adopting a winding and wrapping mode is avoided, the consumption rate of an outer coating material is reduced, the development efficiency is improved, and the limiting wire for the coated optical fiber is fixed in an electro-embroidering mode, so that the coated optical fiber is firmer on a vamp, does not occupy the space in a shoe, and improves the comfort level on an attractive basis.

In some embodiments, an external electrical device is also included, with which either end of the coated optical fiber is connected. The external electrical appliance can provide a light source for the optical fiber, the battery contained in the external electrical appliance can provide energy for continuous light emission of the optical fiber, and the external electrical appliance and the battery cooperate to enable the optical fiber to emit continuous and stable light.

In some embodiments, the coated optical fibers are arranged in a spiral arrangement along the curvature of the upper, and the direction-changing points of the coated optical fibers are curved. Under the protection of the outer thermoplastic polyurethane elastomer, the elasticity and the folding endurance of the optical fiber are improved, but an excessive torsion angle is still needed to be avoided, so that the coated optical fiber is distributed in a bending way, and the turning part is bent in an arc shape, so that the optical fiber inside is prevented from being broken.

In some embodiments, the limiting wire is polyester, the external electrical appliance is an optical fiber light source device, the optical fiber light source device comprises a control circuit board, a rechargeable battery, an LED lamp bead and a control key handle, the control circuit board is electrically connected with the rechargeable battery, and the LED lamp bead and the control key are electrically connected with the control circuit board through wires. The terylene has good crease resistance and shape retention, higher strength and elastic recovery capacity, and is suitable for fixing coated optical fibers in electro-embroidery; the limiting yarn can also be common textile yarns such as nylon, spandex and the like or one or more combinations of common textile yarns; the movement of the LED beads can be processed by a computer to provide special effects such as timing changes in the light or flash transients.

In some embodiments, the coated optical fiber comprises an inner core, a barrier layer and a sheath layer, wherein the inner core is coated with the barrier layer, the inner core and the barrier layer form an optical fiber, the optical fiber is coated with the sheath layer, and the sheath layer is made of mixed thermoplastic polyurethane elastomer. The inner core is made of polymethyl methacrylate, the interlayer is made of fluororesin plastic, the inner core and the interlayer form a conventional optical fiber, the folding endurance and elasticity of the optical fiber are improved by wrapping the conventional optical fiber with an integrally formed skin layer, and meanwhile, the oil resistance and the water resistance of the vamp are improved due to the protection of the mixed thermoplastic polyurethane elastomer, so that the vamp is kept neat.

In some embodiments, the upper is a warp knit, weft knit, woven, or knit fabric. The process of electrically embroidering the coated optical fibers on the vamp through the limiting wires has small requirements on vamp materials, and can be suitable for textile fabric materials in common industrial production, and it is understood that the vamp comprises but is not limited to the materials.

The utility model provides a shoes that TPU cladding optic fibre vamp goods were made, includes TPU cladding optic fibre vamp, sole, is provided with the cavity in this sole, should add electrical apparatus setting in this cavity, should add electrical apparatus and be the optic fibre light source ware, and control circuit board can control the LED lamp pearl and send monochromatic light or polychromatic light, when sending polychromatic light, can realize becoming the rhythm of light, realizes effects such as gradual change, scintillation. On finished shoes, the control key handle is usually arranged at the heel position, and a charging port is also usually arranged on the control key handle, wherein the charging port can be a micro-usb interface, a lighting interface and a type-c interface, so that the light-emitting component can be directly charged through the charging port when the finished shoes are used subsequently.

A Bluetooth control chip can also be arranged on the control circuit board. The rechargeable battery and the Bluetooth control chip are arranged in the cavity in the sole, so that the original space in the shoe can be prevented from being occupied, and the charging port can be arranged in the sole and is not arranged on the vamp. The control key handle is arranged in a wireless connection mode, a user can be in wireless connection with a Bluetooth control chip on the control circuit board through a wireless remote controller, conduction of a wire is omitted, and the control key handle for controlling the light emitting assembly to emit light can be arranged at different positions of the shoe without being limited by the length of the wire.

A manufacturing process of a TPU coated optical fiber vamp product comprises the following steps:

s1, manufacturing a coated optical fiber: winding the optical fiber on a creel, placing the mixed thermoplastic polyurethane elastomer material in an extrusion device, leading the optical fiber out of the creel and passing through the extrusion device, and coating the mixed thermoplastic polyurethane elastomer on the surface of the optical fiber by the extrusion device to form a coated optical fiber;

s2, sample reading: introducing a design layout program drawn by computer embroidery software on a computer embroidery machine, and reading a sample by the computer embroidery machine;

s3, threading: threading prepared embroidery threads and limit wires on a computer embroidery machine according to the pattern, wherein the embroidery threads are coated optical fibers coated by thermoplastic polyurethane elastomer;

s4, fixing: paving a vamp in a movable embroidery frame of the computerized embroidery machine, and fixing the vamp on the embroidery frame;

s5, embroidering: starting a computerized embroidery machine, and performing electro-embroidery on the surface of the vamp by using coated optical fibers and limiting wires according to the whole shape or part shape of the vamp structure and the imported design layout to form a woven product.

Through adopting electric embroidery technology, fix the cladding optic fibre on this vamp with spacing silk, electric embroidery has accurate, high-efficient, easy operation's advantage, can effectively make cladding optic fibre demonstrate different decorative patterns simultaneously, with its accurate fixing on this vamp, the braiding time of short reduction greatly has simplified production procedure, has improved industrial production efficiency.

In some embodiments, in step S4, the bottom surface of the upper may be provided with a substrate layer, which may be a water-soluble substrate, which is removed by a water-soluble treatment. The water-soluble substrate is arranged on the bottom surface of the conventional vamp, so that the vamp is more stable during embroidering, and the patterns are not easy to deviate.

In some embodiments, in step S1, the specific manufacturing process of the coated optical fiber is as follows:

s11, preparing materials: the following raw materials are selected: thermoplastic polyurethane elastomer material, titanium dioxide, talcum powder of magnesium silicate mineral talc family, dispersing agent, polyacrylate resin, antioxidant, heat stabilizer and light stabilizer;

s12, modification: putting the preparation raw materials selected in the step S11 into a double-screw extruder, and heating, melting and extruding the materials by the extruder to obtain the modified thermoplastic polyurethane elastomer, wherein the heating temperature of the extruder is 200-220 ℃;

s13, cooling and granulating: putting the modified thermoplastic polyurethane elastomer into a cold water tank for water cooling, and granulating to obtain modified thermoplastic polyurethane elastomer slices, wherein the water temperature of the cold water tank is 5-15 ℃;

s14, drying: putting the thermoplastic polyurethane elastomer material in the step S11 and the modified thermoplastic polyurethane elastomer slice in the step S13 into a drying cylinder for drying, wherein the drying temperature is 90-100 ℃ and the drying time is 2-3 hours;

s15, coating: heating, melting and extruding the dried thermoplastic polyurethane elastomer material and the modified thermoplastic polyurethane elastomer slice in a double-screw extruder, drawing the optical fiber onto an extruder die, heating, melting and mixing the thermoplastic polyurethane elastomer material and the modified thermoplastic polyurethane elastomer, and wrapping the optical fiber surface to obtain a coated optical fiber, wherein the extrusion temperature of the extruder is 220-240 ℃, the motor rotating speed is 10-20rpm, and the melting pressure is 5-7MPA;

s16, cooling: putting the coated optical fiber prepared in the step S15 into a cold water tank for water cooling, wherein the water temperature of the cold water tank is 5-15 ℃;

s17, winding: and rolling the cooled coated optical fiber by rolling equipment to obtain the cylindrical coated optical fiber yarn.

The thermoplastic polyurethane elastomer is coated outside the conventional plastic optical fiber bare fiber, so that the yarn strength is enhanced, the requirements on the yarn strength in various spinning methods and weaving processes can be met, the weaving property of the plastic optical fiber bare fiber is greatly improved, the application prospect of an optical fiber material in the spinning field is expanded, the breaking strength of the optical fiber bare fiber is improved, the knitting weaving property is improved, the hand feeling is comfortable and soft, and the fiber has good crease resistance, shape retention and wear resistance.

By adopting the technical scheme, the utility model has the beneficial effects that:

according to the utility model, the plastic optical fiber is coated with the thermoplastic polyurethane elastomer integrally formed, so that the plastic optical fiber is used for protecting the optical fiber, the folding endurance and elasticity of the optical fiber are improved, the plastic optical fiber can be applied to vamp braiding, various patterns are displayed, compared with the winding coating mode in the prior art, the integral formed skin layer can effectively prevent the internal optical fiber from twisting off due to the force generated by winding, the plastic optical fiber is better in integrity, not easy to loosen, the folded light is more uniform, and due to the characteristics of the coating material, the oil resistance and the water resistance of the plastic optical fiber are improved, the integral neatness and durability of the vamp are improved, and the plastic optical fiber is reduced in cost and loss rate and is suitable for industrial production.

According to the utility model, the luminous devices are added on the basis that the coated optical fibers show various patterns by utilizing the luminous characteristics of the side edges of the optical fibers, so that the patterns can emit light, the luminous devices are hidden and arranged in the soles, the space in the shoes is ensured, a user can control the uppers to show different colors and flickering frequencies by controlling the wireless remote controllers, and when running at night, the plane luminous uppers made of the optical fibers have good scattering effect, have certain reminding effect on vehicles and pedestrians at the back, and ensure the safety of running at night.

The utility model adopts the electro-embroidering process, the coated optical fiber is fixed on the vamp by the limiting wire, the electro-embroidering has the advantages of accuracy, high efficiency and simple operation, and can accurately fix the coated optical fiber on the vamp while effectively displaying different patterns, thereby greatly shortening the knitting time, simplifying the production procedure and improving the industrial production efficiency.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

It is apparent that these and other objects of the present utility model will become more apparent from the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings and figures.

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of the preferred embodiments, as illustrated in the accompanying drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model, without limitation to the utility model.

In the drawings, like parts are designated with like reference numerals and are illustrated schematically and are not necessarily drawn to scale.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only one or several embodiments of the utility model, and that other drawings can be obtained according to such drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a TPU coated fiber upper in some embodiments of the present utility model;

FIG. 2 is a schematic diagram of a coated optical fiber according to some embodiments of the present utility model;

FIG. 3 is a schematic view of the overall structure of a shoe made from a TPU coated fiber vamp article of some embodiments of the present utility model;

FIG. 4 is a schematic view of the overall structure of a sole in accordance with some embodiments of the utility model;

fig. 5 is a schematic view of a process flow for manufacturing a TPU-coated upper in some embodiments of the utility model;

FIG. 6 is a schematic diagram illustrating a process for fabricating a coated optical fiber according to some embodiments of the utility model.

The main reference numerals illustrate: 1. a vamp; 2. a limiting wire;

3. coating the optical fiber;

31. an inner core; 32. an interlayer; 33. a cortex layer;

4. an optical fiber light source device; 5. a rechargeable battery; 6. a Bluetooth control chip; 7. a sole; 8. a cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the following detailed description. It should be understood that the detailed description is presented merely to illustrate the utility model, and is not intended to limit the utility model.

In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. However, it is noted that direct connection indicates that the two bodies connected together do not form a connection relationship through a transition structure, but are connected together to form a whole through a connection structure. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1, fig. 1 is a schematic view of the overall structure of a TPU-coated fiber vamp according to some embodiments of the present utility model.

According to some embodiments of the present utility model, there is provided a TPU coated optical fiber vamp product, comprising a vamp 1, a limiting wire 2 and a coated optical fiber 3, wherein the coated optical fiber 3 is electrically embroidered on the vamp 1 through the limiting wire 2, the coated optical fiber 3 is an optical fiber coated with a thermoplastic polyurethane elastomer, and the diameter of the bare optical fiber can be 0.25mm-0.75mm, preferably 0.5mm; the limiting wire 2 is polyester; the vamp 1 is warp knitting cloth, weft knitting cloth, shuttle knitting cloth, woven cloth or knitted cloth.

Compared with the conventional optical fiber, the optical fiber coated with the thermoplastic polyurethane elastomer has stronger firmness and higher elasticity, avoids the problem of optical fiber breakage caused by adopting a winding and wrapping mode, reduces the consumption rate of an outer coating material, improves the development efficiency, and ensures that the coated optical fiber 3 is fixed on the vamp 1 by using the limiting wire 2 in an electro-embroidering mode, does not occupy the space in the shoe, and improves the comfort on the attractive basis; the terylene has good crease resistance and shape retention, higher strength and elastic recovery capacity, and is suitable for fixing the coated optical fiber 3 in the electro-embroidery; the limiting yarn 2 can also be common textile yarns such as nylon, spandex and the like or one or more combinations of common textile yarns; the process of electrically embroidering the coated optical fiber 3 on the vamp 1 through the limit wire 2 has small requirements on the vamp 1 material, and can be suitable for textile materials in common industrial production, and it is understood that the vamp 1 comprises but is not limited to the materials.

Referring to fig. 2, fig. 2 is a schematic diagram of a coated optical fiber according to some embodiments of the utility model.

According to some embodiments of the present utility model, optionally, the coated optical fiber 3 includes an inner core 31, a spacer layer 32 and a sheath layer 33, the inner core 31 is coated with the spacer layer 32, the inner core 31 and the spacer layer 32 form an optical fiber, the optical fiber is coated with the sheath layer 33, and the sheath layer 33 is made of a mixed thermoplastic polyurethane elastomer. The inner core 31 is made of polymethyl methacrylate, the interlayer 32 is made of fluororesin plastic, the inner core 31 and the interlayer 32 form a conventional optical fiber, and the integral formed skin layer 33 is coated outside the conventional optical fiber, so that the folding endurance and elasticity of the optical fiber are improved, and meanwhile, the oil resistance and the water resistance of the vamp 1 are improved due to the protection of the mixed thermoplastic polyurethane elastomer, and the cleanness of the vamp 1 is kept.

Referring to fig. 3-4, fig. 3 is a schematic diagram of the overall structure of a shoe made from a TPU-coated fiber optic shoe upper article in accordance with some embodiments of the present utility model; FIG. 4 is a schematic view of the overall structure of a sole in accordance with some embodiments of the utility model.

According to some embodiments of the present utility model, optionally, the TPU-coated optical fiber upper article further comprises an external electrical appliance to which either end of the coated optical fiber 3 is connected; the coated optical fibers 3 are distributed along the bending spiral arrangement of the vamp 1, and the turning parts of the coated optical fibers 3 are arc-shaped; the external electrical appliance is an optical fiber light source device 4, the optical fiber light source device comprises a control circuit board, a rechargeable battery 5, LED lamp beads and a control key handle, the control circuit board is electrically connected with the rechargeable battery, and the LED lamp beads and the control keys are electrically connected with the control circuit board through wires.

The external electrical appliance provides a light source for the optical fiber, the battery in the external electrical appliance provides energy for continuous light emission of the optical fiber, and the external electrical appliance and the battery cooperate to enable the optical fiber to emit continuous and stable light; under the protection of the outer thermoplastic polyurethane elastomer, the elasticity and the folding endurance of the optical fiber are improved, but the optical fiber still needs to avoid an excessive torsion angle, so that the coated optical fiber 3 is distributed in a bending way, and the turning part is bent in an arc shape, so that the optical fiber inside is prevented from being broken; the movement of the LED beads can be processed by a computer to provide special effects such as timing changes in the light or flash transients.

According to some embodiments of the present utility model, the present utility model further provides a shoe made of the TPU-coated optical fiber vamp product, including the TPU-coated optical fiber vamp 1 and the sole 7, the sole 7 is provided with a cavity 8, the external electrical apparatus is disposed in the cavity 8, the external electrical apparatus is an optical fiber light source 4, the optical fiber light source 4 includes a control circuit board, a rechargeable battery 5, an LED lamp bead, and a control key handle, the control circuit board is electrically connected with the rechargeable battery 5, and the LED lamp bead and the control key are electrically connected with the control circuit board through wires. The control circuit board can control the LED lamp beads to emit monochromatic light or polychromatic light, and when the LED lamp beads emit polychromatic light, the light-changing rhythm can be realized, and the effects of gradual change, flickering and the like are realized. On finished shoes, the control key handle is usually arranged at the heel position, and a charging port is also usually arranged on the control key handle, wherein the charging port can be a micro-usb interface, a lighting interface and a type-c interface, so that the light-emitting component can be directly charged through the charging port when the finished shoes are used subsequently.

The control circuit board can be provided with a Bluetooth control chip 6. The rechargeable battery 5 and the Bluetooth control chip 6 are arranged in the cavity in the sole, so that the original space in the shoe can be prevented from being occupied, and the charging port can be arranged in the sole and is not arranged on the vamp. The control key handle is set to wireless connection mode, and the user can be through wireless connection of bluetooth control chip 6 on wireless remote controller and the control circuit board, saves wire conduction, can set up the luminous control key handle of control luminous subassembly in the different positions of shoes, and does not receive the restriction of wire length.

Referring to fig. 5, fig. 5 is a schematic diagram illustrating a process flow for manufacturing a TPU-coated optical fiber vamp according to some embodiments of the present utility model.

According to some embodiments of the present utility model, optionally, a process for making a TPU-coated optical fiber upper article comprises the steps of:

s1, manufacturing a coated optical fiber: winding the optical fiber on a creel, placing the mixed thermoplastic polyurethane elastomer material in an extrusion device, leading the optical fiber out of the creel and passing through the extrusion device, and coating the mixed thermoplastic polyurethane elastomer on the surface of the optical fiber by the extrusion device to form a coated optical fiber 3;

s3, threading: the method comprises the steps that a prepared embroidery thread and a limit wire 2 are arranged on a computerized embroidery machine in a penetrating mode according to patterns, wherein the embroidery thread is a coated optical fiber 3 coated by a thermoplastic polyurethane elastomer;

s4, fixing: paving a vamp 1 in a movable embroidery frame of the computerized embroidery machine, and fixing the vamp 1 on the embroidery frame;

s5, embroidering: starting a computerized embroidery machine, and performing electric embroidery on the surface of the vamp 1 by using the coated optical fibers 3 and the limiting wires 2 according to the whole shape or part shape of the vamp 1 structure according to the imported design layout to form a woven product.

Through adopting the electrotransport process, fix the cladding optic fibre 3 on this vamp 1 with spacing silk 2, the electrotransport has accurate, high-efficient, easy operation's advantage, can effectively make cladding optic fibre 3 demonstrate different decorative patterns simultaneously, with its accurate fixing on this vamp 1, the braiding time of short greatly has simplified production procedure, has improved industrial production efficiency.

According to some embodiments of the present utility model, optionally, in step S4, the bottom surface of the vamp 1 may be provided with a base layer, which may be a water-soluble base, and the water-soluble base is removed by water-soluble treatment. The water-soluble substrate is arranged on the bottom surface of the conventional vamp 1, so that the vamp 1 is more stable during embroidering, and the patterns are not easy to deviate.

Referring to fig. 6, fig. 6 is a schematic flow chart of a coated optical fiber manufacturing process according to some embodiments of the utility model.

According to some embodiments of the present utility model, optionally, in step S1, the specific manufacturing process of the coated optical fiber 3 is as follows:

s15, coating: heating, melting and extruding the dried thermoplastic polyurethane elastomer material and the modified thermoplastic polyurethane elastomer slice in a double-screw extruder, drawing the optical fiber onto an extruder die, heating, melting and mixing the thermoplastic polyurethane elastomer material and the modified thermoplastic polyurethane elastomer, and wrapping the optical fiber surface to obtain a coated optical fiber 3, wherein the extrusion temperature of the extruder is 220-240 ℃, the motor rotation speed is 10-20rpm, and the melting pressure is 5-7MPA;

s16, cooling: putting the coated optical fiber 3 prepared in the step S15 into a cold water tank for water cooling, wherein the water temperature of the cold water tank is 5-15 ℃;

s17, winding: and winding the cooled coated optical fiber 3 by winding equipment to obtain a cylindrical coated optical fiber 3 yarn.

Example 1

Referring to fig. 1-6, fig. 1 is a schematic view of the overall structure of a TPU-coated fiber vamp in some embodiments of the present utility model; FIG. 2 is a schematic diagram of a coated optical fiber according to some embodiments of the present utility model; FIG. 3 is a schematic view of the overall structure of a shoe made from a TPU coated fiber vamp article of some embodiments of the present utility model; FIG. 4 is a schematic view of the overall structure of a sole in accordance with some embodiments of the utility model; fig. 5 is a schematic view of a process flow for manufacturing a TPU-coated upper in some embodiments of the utility model; FIG. 6 is a schematic diagram illustrating a process for fabricating a coated optical fiber according to some embodiments of the utility model.

The embodiment provides a TPU coated optical fiber electro-embroidered vamp product, which comprises a vamp 1, a limiting wire 2, coated optical fibers 3 and an external electrical appliance, wherein the coated optical fibers 3 are electro-embroidered on the vamp 1 through the limiting wire 2, and the external electrical appliance continuously provides light source luminescence for the coated optical fibers 3; the coated optical fibers 3 are distributed along the bending spiral arrangement of the vamp 1, and the turning parts of the coated optical fibers 3 are curved to prevent the internal optical fibers from being broken.

The vamp 1 is made of warp-knitted cloth and is woven in a warp-knitted mode, has the characteristics of high production speed and high yield, and is suitable for mass vamp production; the limiting wire 2 is terylene, has higher strength and elastic recovery capacity, and is suitable for fixing the coated optical fiber 3 in electro-embroidery; compared with the conventional optical fiber, the optical fiber with the thermoplastic polyurethane elastomer coated outside has stronger firmness and higher elasticity, so that the problem of optical fiber breakage caused by adopting a winding and wrapping mode is avoided, the consumption rate of an outer-layer coating material is reduced, and the development efficiency is improved; the external electric appliance is an optical fiber light source 4 for realizing the timing change of light or the instant light of image frequency flash.

The coated optical fiber 3 comprises an inner core 31, an interlayer 32 and a skin layer 33, wherein the inner core 31 is made of polymethyl methacrylate, the interlayer 32 is made of fluororesin plastic, the skin layer 33 is made of mixed thermoplastic polyurethane elastomer, the inner core 31 and the interlayer 32 form a conventional optical fiber, the diameter of the optical fiber is 0.5mm, and the folding endurance and the elasticity of the optical fiber are improved by coating the skin layer 33 which is integrally formed outside the conventional optical fiber.

The embodiment provides a shoe made of a TPU coated optical fiber electro-embroidery vamp product, the sole 7 is further included on the basis of the TPU coated optical fiber electro-embroidery vamp 1, a cavity 8 is arranged in the sole 7, a rechargeable battery 5 and a Bluetooth control chip 6 are arranged in the cavity 8 in the sole, the original space in the shoe can be prevented from being occupied, and a charging port can be further arranged in the sole 7 and not arranged on the vamp 1. The control key handle is set to wireless connection mode, and the user can be through wireless connection of bluetooth control chip 6 on wireless remote controller and the control circuit board, saves wire conduction, can set up the luminous control key handle of control luminous subassembly in the different positions of shoes, and does not receive the restriction of wire length.

The embodiment provides a manufacturing process of a TPU coated optical fiber electro-embroidered vamp product, which comprises the following steps:

s1, manufacturing a coated optical fiber: winding the optical fiber on a creel, placing the mixed thermoplastic polyurethane elastomer material in an extrusion device, leading the optical fiber out of the creel and passing through the extrusion device, and coating the mixed thermoplastic polyurethane elastomer on the surface of the optical fiber by the extrusion device to form a coated optical fiber 3, wherein the specific manufacturing steps are as follows:

s12, modification: putting the preparation raw materials selected in the step S11 into a double-screw extruder, and heating, melting and extruding the materials by the extruder to obtain a modified thermoplastic polyurethane elastomer, wherein the heating temperature of the extruder is 200 ℃;

s13, cooling and granulating: putting the modified thermoplastic polyurethane elastomer into a cold water tank for water cooling, and granulating to obtain modified thermoplastic polyurethane elastomer slices, wherein the water temperature in the cold water tank is 5 ℃;

s14, drying: putting the thermoplastic polyurethane elastomer material in the step S11 and the modified thermoplastic polyurethane elastomer slices in the step S13 into a drying cylinder for drying, wherein the drying temperature is 90 ℃ and the drying time is 2 hours;

s15, coating: heating, melting and extruding the dried thermoplastic polyurethane elastomer material and the modified thermoplastic polyurethane elastomer slice in a double-screw extruder, drawing the optical fiber onto an extruder die, heating, melting and mixing the thermoplastic polyurethane elastomer material and the modified thermoplastic polyurethane elastomer, and wrapping the optical fiber surface to obtain a coated optical fiber 3, wherein the extrusion temperature of the extruder is 220 ℃, the motor rotating speed is 10rpm, and the melting pressure is 5MPA;

s16, cooling: putting the coated optical fiber 3 prepared in the step S15 into a cold water tank for water cooling, wherein the water temperature in the cold water tank is 5 ℃;

Wherein the dispersing agent is prepared by mixing stearamide and higher alcohol, the polyacrylate resin is polyacrylate resin with epoxy groups, the heat stabilizer is barium stearate heat stabilizer, and the light stabilizer is bis (2, 6-tetramethyl piperidinyl) sebacate light stabilizer.

s5, embroidering: starting a computerized embroidery machine, and performing electro-embroidery on the surface of the vamp 1 by using the coated optical fibers 3 and the limiting wires 2 according to the whole shape of the vamp 1 structure and the imported design layout to form a woven product.

Example 2

The difference between this embodiment and embodiment 1 is that:

the vamp 1 is woven cloth. The woven cloth has the advantages of stable structure and flat cloth cover, generally does not have sagging phenomenon during hanging, and is suitable for various cutting methods.

In the step of S1 manufacturing the coated optical fiber:

s12, modification: putting the preparation raw materials selected in the step S11 into a double-screw extruder, and heating, melting and extruding the materials by the extruder to obtain a modified thermoplastic polyurethane elastomer, wherein the heating temperature of the extruder is 210 ℃;

s13, cooling and granulating: putting the modified thermoplastic polyurethane elastomer into a cold water tank for water cooling, and granulating to obtain modified thermoplastic polyurethane elastomer slices, wherein the water temperature in the cold water tank is 10 ℃;

s14, drying: putting the thermoplastic polyurethane elastomer material in the step S11 and the modified thermoplastic polyurethane elastomer slices in the step S13 into a drying cylinder for drying, wherein the drying temperature is 100 ℃ and the drying time is 2.5 hours;

s15, coating: heating, melting and extruding the dried thermoplastic polyurethane elastomer material and the modified thermoplastic polyurethane elastomer slice in a double-screw extruder, drawing the optical fiber onto an extruder die, heating, melting and mixing the thermoplastic polyurethane elastomer material and the modified thermoplastic polyurethane elastomer, and wrapping the optical fiber surface to obtain a coated optical fiber 3, wherein the extrusion temperature of the extruder is 230 ℃, the motor rotating speed is 15rpm, and the melting pressure is 6MPA;

s16, cooling: putting the coated optical fiber 3 prepared in the step S15 into a cold water tank for water cooling, wherein the water temperature in the cold water tank is 10 ℃;

Example 3

The difference between this embodiment and embodiment 1 is that:

in the step of S1 manufacturing the coated optical fiber:

s12, modification: putting the preparation raw materials selected in the step S11 into a double-screw extruder, and heating, melting and extruding the materials by the extruder to obtain a modified thermoplastic polyurethane elastomer, wherein the heating temperature of the extruder is 220 ℃;

s13, cooling and granulating: putting the modified thermoplastic polyurethane elastomer into a cold water tank for water cooling, and granulating to obtain modified thermoplastic polyurethane elastomer slices, wherein the water temperature in the cold water tank is 15 ℃;

s14, drying: putting the thermoplastic polyurethane elastomer material in the step S11 and the modified thermoplastic polyurethane elastomer slices in the step S13 into a drying cylinder for drying, wherein the drying temperature is 100 ℃ and the drying time is 3 hours;

s15, coating: heating, melting and extruding the dried thermoplastic polyurethane elastomer material and the modified thermoplastic polyurethane elastomer slice in a double-screw extruder, drawing the optical fiber onto an extruder die, heating, melting and mixing the thermoplastic polyurethane elastomer material and the modified thermoplastic polyurethane elastomer, and wrapping the optical fiber surface to obtain a coated optical fiber 3, wherein the extrusion temperature of the extruder is 240 ℃, the motor rotating speed is 20rpm, and the melting pressure is 7MPA;

s16, cooling: putting the coated optical fiber 3 prepared in the step S15 into a cold water tank for water cooling, wherein the water temperature in the cold water tank is 15 ℃;

Example 4

The difference between this embodiment and embodiment 1 is that:

in the step S4, a basal layer is paved in a movable embroidery frame of a computerized embroidery machine, the basal layer is a water-soluble basal layer, the vamp 1 is fixed on the basal layer, the step S5 of embroidering is carried out, after the embroidering is finished, the woven product is put into boiling water for repeated cooking until the water-soluble basal layer is completely dissolved and removed, and then the woven product is put into a drying device for dehydration and drying treatment of the vamp 1.

Example 5

The difference between this embodiment and embodiment 3 is that:

after the vamp 1 is dehydrated and dried, the formed TPU coated optical fiber vamp product is subjected to hot press forming treatment.

It is to be understood that the disclosed embodiments are not limited to the specific process steps or materials disclosed herein, but are intended to extend to equivalents of such features as would be understood by one of ordinary skill in the relevant arts. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.

Reference in the specification to "an embodiment" means that a particular feature, or characteristic, described in connection with the embodiment is included in at least one embodiment of the utility model. Thus, appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.

Furthermore, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, certain specific details are provided, such as thicknesses, numbers, etc., to provide a thorough understanding of embodiments of the utility model. One skilled in the relevant art will recognize, however, that the utility model can be practiced without one or more of the specific details, or with other methods, components, materials, etc.

Claims

1. The TPU coated optical fiber vamp product is characterized by comprising a vamp, limiting wires and coated optical fibers, wherein the coated optical fibers are woven on the vamp through the limiting wires by electro-embroidering, and the coated optical fibers are optical fibers coated with thermoplastic polyurethane elastomer.

2. The TPU coated optical fiber upper article of claim 1, further comprising an external electrical device to which either end of the coated optical fiber is connected.

3. The TPU coated fiber optic shoe upper article of claim 1, wherein the coated optical fibers are arranged in a serpentine arrangement along the shoe upper curve, and the coated optical fibers are curved at the direction change of the coated optical fibers.

4. The TPU coated fiber vamp product of claim 2, wherein the limiting wire is polyester, the external electrical appliance is a fiber light source device, the fiber light source device comprises a control circuit board, a rechargeable battery, an LED lamp bead and a control key handle, the control circuit board is electrically connected with the rechargeable battery, and the LED lamp bead and the control key are electrically connected with the control circuit board through wires.

5. The TPU coated optical fiber upper article of claim 1, wherein the coated optical fiber comprises an inner core, a barrier layer and a skin layer, wherein the inner core is coated with the barrier layer, the inner core and the barrier layer form an optical fiber, the optical fiber is coated with the skin layer, and the skin layer is made of a mixed thermoplastic polyurethane elastomer.

6. The TPU coated fiber optic shoe upper article of claim 1, wherein the shoe upper is a warp knit, weft knit, woven or knit fabric.

7. A shoe made of a TPU-coated optical fiber vamp product, which is characterized by comprising a TPU-coated optical fiber vamp and a sole, wherein the TPU-coated optical fiber vamp is the TPU-coated optical fiber vamp product according to any one of claims 1-6, a cavity is arranged in the sole, an external electrical appliance is arranged in the cavity, and a bluetooth control chip is further arranged on the control circuit board.