阅读说明：本技术 一种立体成型的鞋面及加工工艺 (Three-dimensional formed vamp and processing technology ) 是由 许永康 陈城藩 于 2019-10-10 设计创作，主要内容包括：本发明公开了一种立体成型的鞋面及加工工艺,包括鞋面主体、前里、后片、鞋眼、鞋底边、装饰片和后贴片,鞋面主体包括TPU聚氨酯胶膜、TPU闭孔型聚氨酯发泡层和PU聚氨酯层,TPU聚氨酯胶膜、TPU闭孔型聚氨酯发泡层和PU聚氨酯层按照从上往下的顺序依次压延复合而成；加工工艺,包括以下步骤,步骤一,设备清洁；步骤二,分层制作；步骤三,压延复合；步骤四,后续加工；步骤五,立体成型；步骤六,检验储存；该发明,具有体积轻,防霉抗菌,耐刮花,耐撕裂等特点；且平整度与轻柔均匀度强了几个倍率以上,超强性耐低温抗拉伸；中高低温无缝工艺直接立体成型,无需垫底片,省去了传统无缝工艺繁琐的部分；也可以运用到家具沙发之类的产品上。(The invention discloses a three-dimensional formed vamp and a processing technology, the three-dimensional formed vamp comprises a vamp main body, a front lining, a rear sheet, eyelets, sole edges, a decorative sheet and a rear patch, wherein the vamp main body comprises a TPU polyurethane adhesive film, a TPU closed-cell polyurethane foaming layer and a PU polyurethane layer, and the TPU polyurethane adhesive film, the TPU closed-cell polyurethane foaming layer and the PU polyurethane layer are sequentially calendered and compounded from top to bottom; the processing technology comprises the following steps of firstly, cleaning equipment; step two, layering manufacturing; step three, calendering and compounding; step four, subsequent processing; step five, three-dimensional forming; step six, checking and storing; the invention has the characteristics of light volume, mildew resistance, bacteria resistance, scratch resistance, tearing resistance and the like; the flatness and the soft uniformity are stronger by more than several multiplying powers, and the super-strong low-temperature-resistant stretch-proofing property is realized; the medium-high and low-temperature seamless process is directly formed in a three-dimensional mode, a bottom plate is not needed, and the complicated part of the traditional seamless process is omitted; it can also be applied to products such as furniture, sofas and the like.)

1. The utility model provides a three-dimensional fashioned vamp, includes vamp main part (1), preceding lining (2), back part (3), eyelet (4), sole limit (5), decorates piece (6) and back paster (7), its characterized in that: the utility model discloses a shoe, including vamp main part (1), tip, body of a shoe and heel position all are provided with decorative sheet (6), and central authorities offer in the front (2), a plurality of eyes of shoes (4) have been seted up in the edge correspondence of in the front (2), the afterbody of in the front (2) is close to heel position and is provided with back piece (3), the outward flange of back piece (3) is provided with back paster (7), vamp main part (1) includes TPU polyurethane glued membrane (11), TPU obturator polyurethane foaming layer (12) and PU polyurethane layer (13), TPU polyurethane glued membrane (11), TPU obturator polyurethane foaming layer (12) and PU polyurethane layer (13) are according to last order down calendering in proper order and are compound and form.

2. A processing technology of a three-dimensional formed vamp comprises the following steps of cleaning equipment; step two, layering manufacturing; step three, calendering and compounding; step four, subsequent processing; step five, three-dimensional forming; step six, checking and storing; the method is characterized in that:

in the first step, the film blowing machine, the mixer, the calender and the high-pressure spraying machine are sterilized for later use;

in the second step, the layered manufacturing comprises the following steps:

1) adding TPU polyurethane particles into a film blowing machine, heating to a molten state, blowing the TPU polyurethane particles into a film by using the film blowing machine to form a TPU polyurethane adhesive film (11), and rolling for later use;

2) selecting TPU polyurethane particles, a foaming agent, a catalyst and a flame retardant according to the proportion of 100-one-wall polyurethane particles to 1-5: 1-2, heating and mixing by using a mixer, and carrying out on-site foaming by using a high-pressure spraying machine to obtain a TPU closed-cell polyurethane foaming layer (12);

3) adding PU polyurethane particles into a film blowing machine, heating to a molten state, blowing the PU polyurethane particles into a film by using the film blowing machine to form a PU polyurethane layer (13), and rolling for later use;

in the third step, the TPU polyurethane adhesive film (11), the TPU closed-cell polyurethane foaming layer (12) and the PU polyurethane layer (13) are compounded into the vamp main body (1) by rolling through a rolling machine according to the sequence from top to bottom;

in the fourth step, a front lining (2), a rear sheet (3), eyelets (4), a sole edge (5), a decorative sheet (6) and a rear patch (7) are hot-pressed on the vamp main body (1) for standby;

in the fifth step, the vamp main body (1) is directly formed in a three-dimensional mode by adopting a medium-high and low-temperature seamless process, one surface of the TPU polyurethane adhesive film (11) is attached and connected with the upper, and a bottom sheet is not needed;

and in the sixth step, whether the lamination is complete or not is checked, and qualified products are stored in a warehouse.

3. The stereoformed upper according to claim 1, wherein: the sole edge (5) is arranged at the bottom edge of the vamp main body (1).

4. The process for manufacturing a three-dimensional shoe upper according to claim 2, wherein: in the second step 1), the TPU polyurethane particles are prepared by the common reaction and polymerization of diphenylmethane diisocyanate (MDI), Toluene Diisocyanate (TDI), macromolecular polyol and chain extender according to the proportion of 100-.

5. The process for manufacturing a three-dimensional shoe upper according to claim 2, wherein: in the second step 3), the PU polyurethane particles are prepared by reacting and polymerizing isocyanate, polyester polyol, a chain extension (crosslinking) agent, a catalyst and a flame retardant together according to the proportion of 100-110: 50-70: 5-10: 1-3.

6. The process for manufacturing a three-dimensional shoe upper according to claim 2, wherein: in the steps 1) and 3), the heating temperature is 110-160 ℃, and the preheating time is 5-10 minutes.

7. The process for manufacturing a three-dimensional shoe upper according to claim 2, wherein: in the second step 2), the heating temperature is 110-160 ℃, and the density of the TPU closed-cell polyurethane foaming layer (12) is 0.13-0.15g/cm³。

8. The process for manufacturing a three-dimensional shoe upper according to claim 2, wherein: in the first step, high-pressure steam of 0.3-1MPa is used for disinfection.

Technical Field

The invention relates to the technical field of shoemaking, in particular to a three-dimensional formed vamp and a processing technology thereof.

Background

With the continuous improvement of the living standard of people, people also pursue the quality of life more and more, and as a daily necessity in human life, shoes also have higher and higher requirements for the life. With the popularization and development of industrialization, many polymer materials are discovered and gradually applied to life. The traditional method for manufacturing the shoes by adopting a seamless process needs the sole piece, but the problems that the sole piece is off-tracking and the three-dimensional fine grain process cannot be achieved frequently occur in the process, so that the design of the three-dimensional formed vamp and the processing process are very necessary.

Disclosure of Invention

The invention aims to provide a three-dimensional formed vamp and a processing technology, so as to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a three-dimensional fashioned vamp, includes vamp main part, the front lining, back part, eyelet, sole limit, decorates piece and back paster, the tip of a shoe, shoes body and the heel position of vamp main part all are provided with decorates the piece, and central authorities have seted up the front lining, a plurality of eyelets have been seted up to the edge correspondence in the front lining, the afterbody in the front is close to the heel position and is provided with the back part, the outward flange of back part is provided with the back paster, the vamp main part includes TPU polyurethane glued membrane, TPU obturator polyurethane foaming layer and PU polyurethane layer, TPU polyurethane glued membrane, TPU obturator polyurethane foaming layer and PU polyurethane layer are according to the order down from last calendering in proper order and are compounded and form.

A processing technology of a three-dimensional formed vamp comprises the following steps of cleaning equipment; step two, layering manufacturing; step three, calendering and compounding; step four, subsequent processing; step five, three-dimensional forming; step six, checking and storing;

in the first step, the film blowing machine, the mixer, the calender and the high-pressure spraying machine are sterilized for later use;

in the second step, the layered manufacturing comprises the following steps:

1) adding TPU polyurethane particles into a film blowing machine, heating to a molten state, blowing the TPU polyurethane particles into a film by using the film blowing machine to form a TPU polyurethane adhesive film, and rolling for later use;

2) selecting TPU polyurethane particles, a foaming agent, a catalyst and a flame retardant according to the proportion of 100-one-wall polyurethane particles to 1-5: 1-2, heating and mixing by using a mixer, and carrying out on-site foaming by using a high-pressure spraying machine to obtain a TPU closed-cell polyurethane foaming layer;

3) adding PU polyurethane particles into a film blowing machine, heating to a molten state, blowing the PU polyurethane particles into a film by using the film blowing machine to form a PU polyurethane layer, and rolling for later use;

in the third step, the TPU polyurethane adhesive film, the TPU closed-cell polyurethane foaming layer and the PU polyurethane layer are compounded into the vamp main body by rolling through a rolling machine according to the sequence from top to bottom;

in the fourth step, the front lining, the rear sheet, the shoe eyelets, the shoe bottom edges, the decorative sheets and the rear patch are hot-pressed on the vamp main body for standby;

in the fifth step, the vamp main body is directly formed in a three-dimensional mode by adopting a medium-high and low-temperature seamless process, one side of the TPU polyurethane film is attached and connected with the upper, and a bottom sheet is not needed;

and in the sixth step, whether the lamination is complete or not is checked, and qualified products are stored in a warehouse.

According to the technical scheme, the bottom edge of the vamp main body is provided with the sole edge.

According to the technical scheme, in the step two 1), the TPU polyurethane particles are prepared by jointly reacting and polymerizing diphenylmethane diisocyanate (MDI), Toluene Diisocyanate (TDI), macromolecular polyol and a chain extender according to the proportion of 100-110: 50-60: 15-30: 5-10.

According to the technical scheme, in the second step 3), the PU polyurethane particles are prepared by reacting and polymerizing isocyanate, polyester polyol, a chain extender, a catalyst and a flame retardant together according to the proportion of 100-110: 50-70: 5-10: 1-3.

According to the technical scheme, in the steps 1) and 3), the heating temperature is 110-160 ℃, and the preheating time is 5-10 minutes.

According to the technical scheme, in the step two 2), the heating temperature is 110-160 ℃, and the density of the TPU closed-cell polyurethane foaming layer is 0.13-0.15g/cm³。

According to the technical scheme, in the step one, high-pressure steam of 0.3-1MPa is used for disinfection.

Compared with the prior art, the invention has the following beneficial effects: according to the three-dimensional forming vamp and the processing technology, the specific gravity density of the vamp main body is 0.14 g, which is equivalent to 1/9 with the density of 1.25 g of a common polyurethane film with the same thickness, so that people can hardly feel the weight of the vamp, and the vamp has the characteristics of adjustable thickness and color, light volume, mildew resistance, antibiosis, scratch resistance, tearing resistance and the like; the flatness and the light and soft uniformity are stronger by more than several multiplying powers, the super-strong low-temperature resistance stretch-proofing property is realized, the hardening can not be realized at the temperature of minus 20 ℃, and the problems of normal temperature and low-temperature folding resistance are not required to be worried about; the middle-high and low-temperature seamless process is directly formed in a three-dimensional mode, a backing sheet is not needed, the complicated part of the traditional seamless process is omitted, and the problems that the backing sheet deviates and the three-dimensional fine line process cannot be carried out in the prior seamless process in the industry for many years are directly solved; the invention can completely replace the prior common hot-pressing TPU film, so that the three-dimensional sense of the film is stronger and soft, the hard and thick sense of the prior common hot-cutting TPU film after hot cutting is completely eliminated, and the film can also be applied to products such as furniture, sofas and the like.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a process flow diagram of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic view of the overall internal structure of the present invention;

in the figure: 1. a vamp main body; 2. front and back; 3. a rear panel; 4. shoe eyelets; 5. the sole edge; 6. a decorative sheet; 7. then pasting a piece; 11. a TPU polyurethane adhesive film; 12. a TPU closed-cell polyurethane foaming layer; 13. a PU polyurethane layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

example 1:

the utility model provides a three-dimensional fashioned vamp, including vamp main part 1, the front lining 2, the back part 3, the eyelet 4, sole limit 5, decorate piece 6 and back paster 7, vamp main part 1's tip, shoes body and heel position all are provided with decorate piece 6, and central authorities have seted up the front lining 2, a plurality of eyelets 4 have been seted up to the edge correspondence of front lining 2, the afterbody of front lining 2 is close to the heel position and is provided with back part 3, the outward flange of back part 3 is provided with back paster 7, the bottom edge of vamp main part 1 is provided with sole limit 5, vamp main part 1 includes TPU polyurethane glued membrane 11, TPU obturator polyurethane foaming layer 12 and PU polyurethane layer 13, TPU polyurethane glued membrane 11, TPU obturator polyurethane foaming layer 12 and PU polyurethane layer 13 are according to the order down calendering in proper order and are compound and are formed.

A processing technology of a three-dimensional formed vamp comprises the following steps of cleaning equipment; step two, layering manufacturing; step three, calendering and compounding; step four, subsequent processing; step five, three-dimensional forming; step six, checking and storing;

in the first step, a film blowing machine, a mixer, a calender and a high-pressure spraying machine are sterilized by high-pressure steam of 0.3-1MPa for later use;

in the second step, the layered manufacturing comprises the following steps:

1) adding TPU polyurethane particles into a film blowing machine, heating to a molten state at the temperature of 110-160 ℃, preheating for 5-10 minutes, blowing the TPU polyurethane particles into a film by using the film blowing machine to obtain a TPU polyurethane adhesive film 11, and rolling for later use;

2) selecting TPU polyurethane particles, a foaming agent, a catalyst and a flame retardant according to the proportion of 100: 2, heating and mixing by using a mixer at the heating temperature of 110-;

3) adding PU polyurethane particles into a film blowing machine, heating to a molten state at the temperature of 110-160 ℃, preheating for 5-10 minutes, blowing the PU polyurethane particles into a film by using the film blowing machine to form a PU polyurethane layer 13, and rolling for later use;

in the third step, the TPU polyurethane adhesive film 11, the TPU closed-cell polyurethane foaming layer 12 and the PU polyurethane layer 13 are rolled and compounded into the vamp main body 1 by a calender from top to bottom;

in the fourth step, the front lining 2, the rear sheet 3, the eyelets 4, the sole edges 5, the decorative sheets 6 and the rear patches 7 are hot-pressed on the vamp main body 1 for standby;

in the fifth step, the vamp main body 1 is directly formed in a three-dimensional mode by adopting a medium-high and low-temperature seamless process, one side of the TPU polyurethane adhesive film 11 is attached and connected with the upper, and a bottom sheet does not need to be padded;

and in the sixth step, whether the lamination is complete or not is checked, and qualified products are stored in a warehouse.

Wherein, the TPU polyurethane particles are formed by the joint reaction and polymerization of diphenylmethane diisocyanate (MDI), Toluene Diisocyanate (TDI), macromolecular polyol and a chain extender according to the proportion of 100: 50: 15: 5; the PU polyurethane particles are prepared by the common reaction and polymerization of isocyanate, polyester polyol, chain-extending cross-linking agent, catalyst and flame retardant according to the proportion of 100: 50: 5: 1.

Example 2:

the utility model provides a three-dimensional fashioned vamp, including vamp main part 1, the front lining 2, the back part 3, the eyelet 4, sole limit 5, decorate piece 6 and back paster 7, vamp main part 1's tip, shoes body and heel position all are provided with decorate piece 6, and central authorities have seted up the front lining 2, a plurality of eyelets 4 have been seted up to the edge correspondence of front lining 2, the afterbody of front lining 2 is close to the heel position and is provided with back part 3, the outward flange of back part 3 is provided with back paster 7, the bottom edge of vamp main part 1 is provided with sole limit 5, vamp main part 1 includes TPU polyurethane glued membrane 11, TPU obturator polyurethane foaming layer 12 and PU polyurethane layer 13, TPU polyurethane glued membrane 11, TPU obturator polyurethane foaming layer 12 and PU polyurethane layer 13 are according to the order down calendering in proper order and are compound and are formed.

A processing technology of a three-dimensional formed vamp comprises the following steps of cleaning equipment; step two, layering manufacturing; step three, calendering and compounding; step four, subsequent processing; step five, three-dimensional forming; step six, checking and storing;

in the first step, a film blowing machine, a mixer, a calender and a high-pressure spraying machine are sterilized by high-pressure steam of 0.3-1MPa for later use;

in the second step, the layered manufacturing comprises the following steps:

1) adding TPU polyurethane particles into a film blowing machine, heating to a molten state at the temperature of 110-160 ℃, preheating for 5-10 minutes, blowing the TPU polyurethane particles into a film by using the film blowing machine to obtain a TPU polyurethane adhesive film 11, and rolling for later use;

2) selecting TPU polyurethane particles, a foaming agent, a catalyst and a flame retardant according to the ratio of 105: 2, heating and mixing by using a mixer at the heating temperature of 110-;

3) adding PU polyurethane particles into a film blowing machine, heating to a molten state at the temperature of 110-160 ℃, preheating for 5-10 minutes, blowing the PU polyurethane particles into a film by using the film blowing machine to form a PU polyurethane layer 13, and rolling for later use;

in the third step, the TPU polyurethane adhesive film 11, the TPU closed-cell polyurethane foaming layer 12 and the PU polyurethane layer 13 are rolled and compounded into the vamp main body 1 by a calender from top to bottom;

in the fourth step, the front lining 2, the rear sheet 3, the eyelets 4, the sole edges 5, the decorative sheets 6 and the rear patches 7 are hot-pressed on the vamp main body 1 for standby;

in the fifth step, the vamp main body 1 is directly formed in a three-dimensional mode by adopting a medium-high and low-temperature seamless process, one side of the TPU polyurethane adhesive film 11 is attached and connected with the upper, and a bottom sheet does not need to be padded;

and in the sixth step, whether the lamination is complete or not is checked, and qualified products are stored in a warehouse.

Wherein, the TPU polyurethane particles are formed by the joint reaction and polymerization of diphenylmethane diisocyanate (MDI), Toluene Diisocyanate (TDI), macromolecular polyol and a chain extender according to the proportion of 100: 50: 15: 5; the PU polyurethane particles are prepared by the common reaction and polymerization of isocyanate, polyester polyol, chain-extending cross-linking agent, catalyst and flame retardant according to the proportion of 100: 50: 5: 1.

Example 3:

the utility model provides a three-dimensional fashioned vamp, including vamp main part 1, the front lining 2, the back part 3, the eyelet 4, sole limit 5, decorate piece 6 and back paster 7, vamp main part 1's tip, shoes body and heel position all are provided with decorate piece 6, and central authorities have seted up the front lining 2, a plurality of eyelets 4 have been seted up to the edge correspondence of front lining 2, the afterbody of front lining 2 is close to the heel position and is provided with back part 3, the outward flange of back part 3 is provided with back paster 7, the bottom edge of vamp main part 1 is provided with sole limit 5, vamp main part 1 includes TPU polyurethane glued membrane 11, TPU obturator polyurethane foaming layer 12 and PU polyurethane layer 13, TPU polyurethane glued membrane 11, TPU obturator polyurethane foaming layer 12 and PU polyurethane layer 13 are according to the order down calendering in proper order and are compound and are formed.

A processing technology of a three-dimensional formed vamp comprises the following steps of cleaning equipment; step two, layering manufacturing; step three, calendering and compounding; step four, subsequent processing; step five, three-dimensional forming; step six, checking and storing;

in the first step, a film blowing machine, a mixer, a calender and a high-pressure spraying machine are sterilized by high-pressure steam of 0.3-1MPa for later use;

in the second step, the layered manufacturing comprises the following steps:

1) adding TPU polyurethane particles into a film blowing machine, heating to a molten state at the temperature of 110-160 ℃, preheating for 5-10 minutes, blowing the TPU polyurethane particles into a film by using the film blowing machine to obtain a TPU polyurethane adhesive film 11, and rolling for later use;

2) selecting TPU polyurethane particles, a foaming agent, a catalyst and a flame retardant according to the proportion of 110: 2, heating and mixing by using a mixer at the heating temperature of 110-;

3) adding PU polyurethane particles into a film blowing machine, heating to a molten state at the temperature of 110-160 ℃, preheating for 5-10 minutes, blowing the PU polyurethane particles into a film by using the film blowing machine to form a PU polyurethane layer 13, and rolling for later use;

in the third step, the TPU polyurethane adhesive film 11, the TPU closed-cell polyurethane foaming layer 12 and the PU polyurethane layer 13 are rolled and compounded into the vamp main body 1 by a calender from top to bottom;

in the fourth step, the front lining 2, the rear sheet 3, the eyelets 4, the sole edges 5, the decorative sheets 6 and the rear patches 7 are hot-pressed on the vamp main body 1 for standby;

in the fifth step, the vamp main body 1 is directly formed in a three-dimensional mode by adopting a medium-high and low-temperature seamless process, one side of the TPU polyurethane adhesive film 11 is attached and connected with the upper, and a bottom sheet does not need to be padded;

and in the sixth step, whether the lamination is complete or not is checked, and qualified products are stored in a warehouse.

Wherein, the TPU polyurethane particles are formed by the joint reaction and polymerization of diphenylmethane diisocyanate (MDI), Toluene Diisocyanate (TDI), macromolecular polyol and a chain extender according to the proportion of 100: 50: 15: 5; the PU polyurethane particles are prepared by the common reaction and polymerization of isocyanate, polyester polyol, chain-extending cross-linking agent, catalyst and flame retardant according to the proportion of 100: 50: 5: 1.

The finished product of each of the above examples was subjected to the following table:

	density/(g/cm)3）	Tensile weight/kg at normal and low temperature	Multiplying power of flatness and soft uniformity
				Example 1	0.13	12	10
Example 2	0.14	11	12
				Example 3	0.15	11	11

Based on the above, the invention has the advantages that the specific gravity density of the vamp main body is 0.14 g, which is equivalent to 1/9 with the density of 1.25 g of common polyurethane film with the same thickness, so that people can hardly feel the weight of the vamp main body, the thickness and the color of the vamp main body can be adjusted, and the vamp main body has the characteristics of light volume, super softness, mildew resistance, antibiosis, scratch resistance, tearing resistance and the like; the flatness and the light and soft uniformity are stronger by more than several multiplying powers, the super-strong low-temperature resistance stretch-proofing property is realized, the hardening can not be realized at the temperature of minus 20 ℃, and the problems of normal temperature and low-temperature folding resistance are not required to be worried about; the middle-high and low-temperature seamless process is directly formed in a three-dimensional mode, a backing sheet is not needed, the complicated part of the traditional seamless process is omitted, and the problems that the backing sheet deviates and the three-dimensional fine line process cannot be carried out in the prior seamless process in the industry for many years are directly solved; the invention can completely replace the prior common hot-pressing TPU film, so that the three-dimensional sense of the film is stronger and soft, the hard and thick sense of the prior common hot-cutting TPU film after hot cutting is completely eliminated, and the film can also be applied to products such as furniture, sofas and the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.