WO2016078409A1

WO2016078409A1 - Method for manufacturing fur integrated snow boot and fur integrated snow boot

Info

Publication number: WO2016078409A1
Application number: PCT/CN2015/082180
Authority: WO
Inventors: 吕辉
Original assignee: 瑞驰有限公司
Priority date: 2014-11-21
Filing date: 2015-06-24
Publication date: 2016-05-26

Abstract

A fur integrated snow boot and a manufacturing method therefor. The manufacturing method comprises the steps of: cutting materials (S1), cutting a standard-size toe cap surface (14), front cylinder surface (13), rear cylinder surface (12), rear sleeve surface and rear sleeve inner; shearing fur (S2), shearing the fur of the toe cap surface (14), the front cylinder surface (13), the rear cylinder surface (12), the rear sleeve surface and the rear sleeve inner; sewing (S3), sewing the sheared toe cap surface (14), front cylinder surface (13), rear cylinder surface (12), rear sleeve surface and rear sleeve inner together to form an upper (1), and a rear counter being set between the rear sleeve surface and the rear sleeve inner; connecting the upper and sewing (S4), sewing a first midsole (15) and the upper (1) together to form an vamp; injection molding a sole (S5), injection molding the PU material and the vamp in one piece by an injection molding machine and forming a PU sole on the underside of the vamp. The problems that a sole of a snow boot is unglued, the softness and comfort degree of the sole of the snow boot are reduced, and wear resistance is low are effectively solved.

Description

Fur-in-one snow boots manufacturing process and fur snow boots

This application claims priority to Chinese Patent Application No. 201410672105.1, entitled "Manufacturing Process of Fur One Snow Boots" on November 21, 2014. This application also claims to be in June 2015. On the 12th, the Chinese Patent Office, the application number is 201510325502.6, and the Chinese patent application titled "The Manufacturing Process of Fur One Snow Boots" is given priority. This application also requires the Chinese Patent Office to be submitted to the Chinese Patent Office on January 13, 2015. The priority of the Chinese Patent Application No. 201520020424.4, the disclosure of which is incorporated herein by reference.

Technical field

The invention relates to the technical field of footwear manufacturing, and more particularly to a manufacturing process of a fur integrated snow boots and a fur integrated snow boots.

Background technique

At present, snow boots have become more and more popular among women with their high warmth and comfort. In the existing UGG technology, the manufacturing process of the fur-integrated snow boots includes the steps of: plate making, cutting, sewing, shaping of the rear harbor, and bonding of the sole. The plate making process is to produce a standard version of the standard size. The cutting material is cut out according to the standard version of the toe surface, the toe lining, the front cylinder surface, the rear cylinder surface, the rear harbor treasure, the rear sleeve surface and the rear sleeve. After the Hong Kong Bao stereotype is to connect the Hougang and the rear cover. Sewing is to sew the upper surface of the toe, the front cylinder surface, the rear cylinder surface, the rear sleeve surface and the rear sleeve together to form an upper, and the middle bottom plate and the upper are sewn together to form an upper. Sole bonding is to bond the sole to the upper to form a snow boot. It can be seen from the above that in the prior art, the sole of the snow boot is connected with the upper by bonding, so that it is easy to cause the sole to open after wearing the snow boots or stepping on the water. Moreover, the sole of the snow boots in the prior art is generally an EVA sole. The EVA sole is relatively hard and can only be cut into a large piece and then cut, and the wearing is extremely uncomfortable, and the EVA sole is easily broken and not wearable.

In summary, how to effectively solve the problem of the sole opening of the snow boot, the softness and comfort of the snow boot sole, and the low wear resistance are urgent problems to be solved by those skilled in the art.

Summary of the invention

In view of this, the first object of the present invention is to provide a manufacturing process of a fur-integrated snow boots, which can effectively solve the softness of the soles of snow boots and the soles of snow boots. Comfort and low wear resistance. A second object of the present invention is to provide a fur-integrated snow boots, which can effectively solve the sole opening of the snow boots, the soft and comfortable bottom of the snow boots sole, and the wear resistance. Low sexual problem.

In order to achieve the above object, the present invention provides the following technical solutions:

A manufacturing process for fur-integrated snow boots, comprising the steps of:

Cutting, cutting out the standard size of the toe surface, the front cylinder surface, the rear cylinder surface, the rear sleeve surface and the rear sleeve;

Sewing, sewing the toe surface, the front cylinder surface, the rear cylinder surface, the rear sleeve surface and the back sleeve to form an upper, and a rear harbor is arranged between the rear sleeve and the back sleeve;

The upper is sewn, and the first middle bottom plate and the upper are sewn together to form an upper;

The sole is injection-molded, and the PU material is integrally molded with the upper by an injection molding machine, and a PU sole is formed on the lower side of the upper, that is, the high-temperature PU material is cooled and integrated with the upper.

Preferably, in the manufacturing process of the fur-integrated snow boots, the step further comprises a step between the cutting and sewing;

Shaving, removing the hair at the edge of the toe face and the back cover, and the trimming width at the toe of the toe face is 24-26 mm, the inner and outer waist of the toe face and the back cover The trimming width is 13-15mm.

Preferably, in the manufacturing process of the fur integrated snow boots, the shoe sole further comprises the following steps after injection molding:

The insole is placed, the insole is placed inside the snow boot formed by the injection of the sole, and the insole comprises a wool pad, a second midsole under the wool pad, and a middle of the wool pad and the second The PU pad is raised between the bottom plates and located in the rear root portion, and the wool pad, the second mid sole plate and the inner heightening PU pad are joined together by the needle cart.

Preferably, in the manufacturing process of the fur-integrated snow boots, the step further comprises the following steps:

Plate making, according to the standard size of the toe surface, the front cylinder surface, the rear cylinder surface, the rear sleeve surface and the rear sleeve, a plurality of standard editions are respectively prepared, and according to the hair size of the toe surface and the rear sleeve after the hairdressing, respectively Hair Version.

Preferably, in the manufacturing process of the fur-integrated snow boots, the cutting step is specifically: cutting a toe surface, a front cylinder surface, a rear cylinder surface, a rear sleeve surface and a standard size according to a plurality of the standard editions respectively. Back cover

The trimming step is specifically: trimming the toe surface and the back sleeve according to a plurality of the blanks respectively, and the size of the thinning area is a difference between the standard version and the size of the blank.

Preferably, in the manufacturing process of the fur integrated snow boots, the step sewing comprises:

Aligning and stitching the toe face and the front face;

Attaching a rear treasure to the inside of the rear cover surface, and connecting the rear cover surface and the rear cover to form a heel surface;

Aligning and stitching the heel surface to the rear barrel surface;

The stitched toe face and the front face are aligned with the stitched heel face and the back face and stitched to form the upper.

Preferably, in the manufacturing process of the fur-integrated snow boots, before the step of aligning and stitching the toe surface and the front cylinder surface, the method further comprises the steps of:

A curved toe lining is disposed inside the toe portion of the toe surface, and the trim width at the toe of the toe lining is 24-26 mm.

Preferably, in the manufacturing process of the fur-integrated snow boots, the step of suturing the stitched toe surface and the front cylinder surface with the stitched heel surface and the rear cylinder surface to form a mid-heel surface and a toe surface of the upper The connection method is:

The joint between the heel surface and the toe surface is glued and then sewn together by the needle car.

Preferably, in the manufacturing process of the fur-integrated snow boots, the method further comprises: trimming the hairs of the edges of the hair-bearing areas in the toe surface and the back cover by 45°, and picking up the inner and outer waists of the toe surface after picking up the hair. The thickness of the toe surface is 1.7-2.7 mm except for the thickness of the tick area of the other parts of the inner and outer waists after the hair removal, and the thickness of the tick area of the heel after the hair removal is 2.6. -3.6mm.

Preferably, in the manufacturing process of the fur integrated snow boots, in the sole injection molding step, the PU sole includes two layers having different colors and densities, and the two layers are respectively injection molded.

Preferably, in the manufacturing process of the above-mentioned fur integrated snow boots, the sole further includes steps before injection molding. Step:

The shoe last is shaped, and the upper is heated on the shoe last to cool and dry the upper.

Preferably, in the manufacturing process of the fur-integrated snow boots, the step between the upper sewing and the sole injection molding further comprises the steps of: filling the midsole material, and molding the midsole material on the lower side of the first middle bottom plate.

It can be seen from the above method that in the process of processing the snow boots by using the manufacturing process of the fur integrated snow boots provided by the present invention, the PU sole and the upper are integrated by injection molding, instead of the PU sole and the upper being glued by the glue, The connection between the PU sole and the upper is made more stable, and the connection between the two is not easy to fail. Since the sole of the snow boots produced by the manufacturing process of the present invention is formed by integral injection molding, the PU sole and the upper are not separated after the snow is stepped on and the water is stepped on, which effectively avoids the problem of opening the sole. In addition, the sole of the snow boots provided by the manufacturing process of the fur integrated snow boots of the present invention is a PU bottom, the material is soft and soft, and is very wear-resistant, thereby greatly improving the wearer's comfort and wearing the existing wear. The snow boots in the technology generally feel uncomfortable when walking for one hour, and the snow boots produced by the manufacturing process of the present invention do not feel tired and uncomfortable when walking for two hours. Moreover, the sole of the snow boots produced by the manufacturing process of the present invention is a PU bottom, and the sole is extremely wear-resistant and difficult to fold. After a large number of tests, the shoe sole of the prior art is generally bent 20,000 times and will be broken. However, the sole of the snow boot produced by the manufacturing process of the present invention is not broken after being bent 50,000 times. The snow boots of the prior art wear a sole of 4% to 5% when worn for one month, and the injection molded sole of the invented snow boot wears only about 2% of the sole for one month.

A fur-integrated snow boot comprising a shoe upper and a sole, and the upper includes a toe face, a front cylinder face, a rear cylinder face and a heel face which are sewn together, wherein the sole is a PU sole, and Forming the PU material integrally with the upper by an injection molding machine, the PU material includes A material and B material, and the mass ratio between the A material and the B material is a set ratio, and the lower edge of the toe surface and the back cover There is a hairless area, and the width of the hairless area at the toe of the toe is 24.5-25.5mm, and the width of the hairless area at the inner and outer waist of the toe is 13-15mm, and the width of the hairless area in the back sleeve It is 13-15mm.

Preferably, in the above-mentioned fur integrated snow boots, the material A is a polyol, and the material B is an isocyanate.

Preferably, in the fur integrated snow boot, the upper further includes a first middle bottom plate sewn together with a lower edge of the toe surface and the heel surface, and the PU sole is integrally molded with the first middle bottom plate.

Preferably, the above-mentioned fur integrated snow boots further includes an insole on the upper side of the sole, the insole The utility model comprises a wool mat, a second bottom bottom plate located under the wool mat, and an inner heightening PU mat disposed between the wool mat and the second middle bottom plate and located at the rear root portion, and the wool mat, the second middle The bottom plate and the inner heightening PU pad are joined together by a needle cart.

Preferably, in the above-mentioned fur-integrated snow boots, the wool mat has a hair length of between 12 mm and 16 mm.

Preferably, in the fur-integrated snow boot, the heel surface comprises a back cover, a rear cover and a rear harbor disposed between the back cover and the rear cover.

Preferably, in the above-mentioned fur integrated snow boot, the PU sole includes an upper split sole and a lower split sole with different colors and densities, and the upper split sole and the lower split sole are respectively injection molded.

Preferably, in the above-mentioned fur-integrated snow boots, the density of the upper layer sole may be 0.42-0.48 g/cm ³ , and the density of the lower layer sole may be 1.1-1.3 g/cm ³ .

Preferably, the fur integrated snow boot further includes a curved toe lining disposed inside the toe portion of the toe surface.

Preferably, in the above-mentioned fur-integrated snow boots, the connecting sides of the heel surface and the toe surface are glued together and then sewn together by a sewing machine.

It can be seen from the above that the sole of the fur-integrated snow boots provided by the present invention is a PU sole, and the PU sole and the upper are integrated by injection molding, instead of the PU sole and the upper being glued by the glue, so that the PU sole and the upper are The connection is more stable and the connection between the two is not easy to fail. Since the sole of the fur integrated snow boots provided by the invention is formed by integral injection molding, the PU sole and the upper are not separated after the snow and the water are stepped in the winter, and the problem of opening the sole is effectively avoided. In addition, the sole of the fur-integrated snow boots provided by the invention is a PU bottom, the material is soft and soft, and is very wear-resistant, which greatly improves the comfort of the wearer, and generally wears a snow boots in the prior art. If you are tired for an hour, you will feel uncomfortable when you walk for two hours wearing the fur-integrated snow boots provided by the present invention. Moreover, the sole of the fur-integrated snow boots provided by the present invention is a PU bottom, and the sole is extremely wear-resistant and difficult to fold. After a large number of tests, the shoe sole of the prior art is generally broken after being bent for 20,000 times. However, the sole of the fur-integrated snow boots provided by the present invention is not broken after being bent 50,000 times. The snow boots of the prior art wear a sole of 4% to 5% when worn for one month, and the injection molded sole of the fur-integrated snow boots provided by the present invention wears only a month and the sole wears only about 2%.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

1 is a flow chart showing a manufacturing process of a fur integrated snow boots according to a first embodiment of the present invention;

2 is a flow chart showing a manufacturing process of a fur integrated snow boots according to a second embodiment of the present invention;

3 is a flow chart showing a manufacturing process of a fur integrated snow boots according to a third embodiment of the present invention;

4 is a flow chart of a shaving step provided by an embodiment of the present invention;

Figure 5 is a side view of a fur integrated snow boots according to an embodiment of the present invention;

Figure 6 is a rear elevational view of a fur integrated snow boot provided in accordance with an embodiment of the present invention.

The figures are marked as follows:

1- Upper, 11-heel, 12-reel, 13-front, 14-toe, 15-first midsole, 2-sole.

detailed description

A first object of the present invention is to provide a manufacturing process for a fur-integrated snow boots, which can effectively solve the soft opening and the bottom of the snow boots and the soft and comfortable bottom of the snow boots. Low wear resistance. A second object of the present invention is to provide a fur-integrated snow boot.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Referring to FIG. 1 , a manufacturing process of a fur integrated snow boots provided by the present invention includes the following steps:

S1: cutting, cutting out the standard size of the toe surface, the front cylinder surface, the rear cylinder surface, the rear sleeve surface and the rear sleeve;

That is, according to the size of the snow boots to be processed, the standard size of the toe surface, the front cylinder surface, the rear cylinder surface, Inside the back cover and back cover. When the size of the snow boots to be processed is different, the standard sizes of the toe face, the front face, the back face, the back cover and the back cover will be different, so the size of the snow boots should be cut.

S3: sewing, sewing the toe surface, the front cylinder surface, the rear cylinder surface, the rear sleeve surface and the back sleeve to form an upper, and a rear harbor is arranged between the rear sleeve and the back sleeve ;

The upper surface of the toe, the front cylinder surface, the rear cylinder surface, the rear sleeve surface and the rear sleeve are stitched to form an upper, specifically, can be sutured by a sewing machine, and a rear harbor is arranged between the rear sleeve and the back sleeve, and thus Hong Kong Bao can make the heel of the shoe hard and not deformable.

S4: the upper is sewn, and the first middle bottom plate and the upper are sewn together to form an upper;

The upper sewing may be an upper sewing or a climbing sewing, wherein the upper sewing and the upper obtained from the sewing step are sewn together to form an upper, and specifically, the first bottom plate should be The edges are sewn together with the edges of the upper by a sewing machine. It is also possible to provide a loop at the lower edge of the upper and the edge of the first midsole before the sewing of the sewing machine. The climbing is sewed to set the upper on the last and then sewed together with the bottom plate, thus ensuring the beauty of the shoe and not easily deforming.

S5: Sole injection molding, through the injection molding machine PU (Polyurethane, material: ethylene glycol and ethylene: isocyanate, mixed to form polyurethane) material and shoe upper injection molding and form a PU sole on the underside of the upper. That is, the high temperature PU material is cooled and integrated with the upper.

The shoe upper formed by the step of sewing is placed above the mold of the injection molding machine, and the PU material is injection-molded integrally with the upper by the injection molding machine, and at the same time, the PU material is foamed on the lower side of the upper to form a PU sole, and the snow is formed after the step. Ground boots. The high temperature PU material is injected into the cavity of the mold, and the pressure in the cavity is maintained to prevent the high temperature PU material from overflowing. The high temperature PU material is cooled and integrated with the lower edge of the first bottom plate and/or the upper.

It can be seen from the above method that in the process of processing the snow boots by using the manufacturing process of the fur integrated snow boots provided by the present invention, the PU sole and the upper are integrated by injection molding, instead of the PU sole and the upper being glued by the glue, The connection between the PU sole and the upper is made more stable, and the connection between the two is not easy to fail. Since the sole of the snow boots produced by the manufacturing process of the present invention is formed by integral injection molding, the PU sole and the upper are not separated after the snow is stepped on and the water is stepped on, which effectively avoids the problem of opening the sole. In addition, the sole of the snow boots provided by the manufacturing process of the fur integrated snow boots of the present invention is a PU bottom, the material is soft and soft, and is very wear-resistant, thereby greatly improving the wearer's comfort and wearing the existing wear. The snow boots in the technology generally feel uncomfortable when walking for one hour, and the snow boots produced by the manufacturing process of the present invention do not feel tired and uncomfortable when walking for two hours. Moreover, the sole of the snow boots produced by the manufacturing process of the present invention is a PU bottom, and the sole is extremely wear-resistant and difficult to fold. After a large number of tests, the shoe sole of the prior art is generally bent 20,000 times and will be broken. However, the sole of the snow boot produced by the manufacturing process of the present invention is not broken after being bent 50,000 times. The snow boots of the prior art wear a sole of 4% to 5% when worn for one month, and the injection molded sole of the snow boot of the present invention wears only a month and the sole wears only about 2%.

In order to further optimize the above technical solution, step S2 may be further included between the step cutting and sewing: trimming the hair at the edge of the toe surface and the back cover, and the trimming width at the toe of the toe surface 24-26mm, the inner and outer waist of the toe surface and the width of the trim in the back sleeve are 13-15mm;

That is, in order to facilitate the sewing and injection molding, the hair at the edge of the toe surface and the back cover should be removed, and the width of the toe at the toe of the toe is 24mm-26mm, and the inner and outer waist of the toe is in the back and the back sleeve. The trimming width is 13mm-15mm, wherein the trimming width refers to the width of the trimming area, that is, the minimum distance from the outer edge of the toe surface and the back sleeve to the fur area after trimming. This makes it easier to sew.

As shown in FIG. 2, in order to further optimize the above technical solution, step S6 may be further included after the step sole injection molding: the insole is placed, and the insole is placed inside the snow boots formed after the sole is injection molded. Further, the insole may include a wool pad, a second midsole below the wool pad, and an inner heightening PU pad interposed between the wool pad and the second midsole and located at the rear root, wherein the cushion of the PU pad is reduced The shock performance is good, the wool insole has good warmth, which greatly improves the comfort of people wearing snow boots. In addition, the wool pad, the second mid sole plate and the inner heightening PU pad can be put together by the sewing machine, which is not limited herein. The hair length of the wool pad may be between 12 mm and 16 mm, which is not limited herein.

In addition, as shown in FIG. 3, in order to facilitate the cutting, the step further comprises the step S0: plate making, that is, making a plurality of standard sizes according to the toe surface, the front cylinder surface, the rear cylinder surface, the rear sleeve surface and the rear sleeve respectively. The standard version, and a plurality of hair plates are made according to the size of the hair in the toe surface and the back cover of the hairdressing. Among them, a plurality of standard editions are a toe board, a front tube board, a rear tube board, a rear sleeve board and a back sleeve inner board, and the plurality of hair plates are respectively the back cover of the toe cap. Both the stencil and the standard plate may be acrylic sheets or cardboard, and the thickness of the acrylic sheets is about 2 mm. The standard size of the stencil is the standard size of the hairy area after shaving. In addition, it is also possible to make a standard version of the toe lining and the rear Hong Kong treasure, in order to cut the toe lining and the rear Hong Kong treasure.

Further, the cutting step is specifically: cutting the toe surface, the front cylinder surface, the rear cylinder surface, the rear sleeve surface and the rear sleeve of the standard size according to a plurality of standard editions respectively. In this case, you can cut it directly according to the standard version without having to re-drawing the drawing. The shaving step is specifically: the hair is trimmed according to a plurality of stencils, and the size of the plucking area is the difference between the standard version and the stencil size, that is, the area covered by the crepe leaves, the stencil The uncovered area will be removed. The shape of the stencil is the same as that of the standard version, and the size of the stencil is smaller than the size of the standard version.

Among them, the sewing includes the steps:

S31: aligning and stitching the toe surface and the front tube surface;

Specifically, corresponding marking points can be set on both the toe surface and the front cylinder surface, and the alignment of the toe surface and the front cylinder surface can be ensured by simply aligning the marking point of the toe surface with the marking point of the front cylinder surface. The number of token points can be three or two. In addition, the suture of the toe surface and the front tube surface may be an overturned suture, which is not limited herein.

S32: sticking the rear treasure on the inner side of the rear cover surface, and bonding the rear cover surface and the rear cover together to form a heel surface;

Specifically, the Hougangbao can be heated and attached to the inside of the rear cover, and the rear harbor is cooled to achieve stereotypes. The rear cover, the rear cover and the rear harbor can be bonded to each other or combined by a sewing machine.

S33: aligning and stitching the heel surface with the rear cylinder surface;

Similarly, it is also possible to set corresponding mark points on the back heel surface and the rear cylinder surface. When aligning, just align the mark points on the heel surface with the mark points of the rear cylinder surface to ensure the alignment of the heel surface and the rear cylinder surface. . The number of the above mark points may be three or two or the like. In addition, the suture of the heel surface and the posterior tube surface may be an overturned suture, which is not limited herein.

S34: Aligning the sutured toe surface and the front cylinder surface with the stitched heel surface and the rear cylinder surface to form an upper. The toe face and the front face of the joint to be joined together with the joined heel face are aligned with the back face and stitched.

Further, in order to ensure that the snow boots are not easily deformed, before the steps of aligning and suturing the toe surface and the front cylinder surface, the method further comprises the steps of: providing a curved toe lining on the inner side of the toe portion of the toe surface. That is, the curved toe lining is connected to the inner side of the toe portion of the toe surface by bonding, that is, the toe lining is a part of the toe surface, the toe surface includes the toe lining, and the toe of the toe lining is trimmed at the toe The width is 24-26mm. Toe lining It can be made of leather or microfiber, leather and microfiber. It has a supporting effect after being attached to the toe of the toe surface, making it difficult to deform.

In order to ensure the stability of the connection, the step of aligning the sutured toe surface and the front cylinder surface with the stitched heel surface and the rear cylinder surface and stitching to form the upper heel surface of the upper is connected with the toe surface: the heel surface is The joint edges of the toe surface are glued together and then sewn together by needle sewing. Specifically, a connecting protrusion may be disposed on the trailing surface of the heel and the edge of the toe surface, and the connecting protrusions of the two are overlapped and adhered to each other, and then sewn together by the sewing machine.

In order to facilitate the fitting of the upper to the injection mold, the step of trimming may further comprise trimming the edges of the hairline region of the toe surface and the back sleeve by 45°, wherein the hairy region is the region that does not remove the hair. . Moreover, the thickness of the hair-removing area of the inner and outer waist of the toe surface after the hair removal is 2.0 mm-3.0 mm, and the thickness of the hair-removing area of the toe surface other than the inner and outer waist portions after the hair removal is 1.7-2.7 mm, and the heel after the hair removal The thickness of the faceted area is 2.6-3.6 mm. Further, in order to ensure the accuracy of the shoe code, the thickness of the hair-removing area of the toe surface after the hair removal is 2.1-2.2 mm, and the thickness of the hair-removing area of the heel surface after the hair-cutting is 3.0-3.1 mm. If the thickness of the toe surface before trimming is less than 2.2mm, the hair can be trimmed only 45°. If the thickness of the front and back heel is less than 3.1mm, the hair can be trimmed 45°.

In order to make the snow boots more beautiful, in the sole injection molding step, the PU sole may include two layers of different colors, and the two layers are respectively injection molded. That is, two injections can add different toners to the PU material. Further, the density of the two layers may also be different. Specifically, the density of the upper layer may be 0.42-0.48 g/cm ³ , and the density of the lower layer may be 1.1-1.3 g/cm ³ . Of course, the PU sole can also be formed by one injection molding only, that is, the PU sole is a single density, specifically 0.52-0.058 g/cm ³ , which is not limited herein.

In order to prevent the deformation of the upper of the injection process, the step of the shoe sole is further included before the injection of the shoe sole: the shoe last is set, and the shoe upper is placed on the shoe last to be heated and shaped, and then cooled and dried. Such a shoe last support can prevent the upper deformation, and the shoe sole can be taken out after the injection molding step is completed. Alternatively, the upper may be steamed and then placed on the last to be heated and shaped, and then cooled and dried.

Preferably, in order to increase the function of the sole, a step may be further included between the step upper sewing and the sole injection molding: filling the midsole material, and molding the midsole material on the lower side of the first middle bottom plate. The midsole material may be a material having the functions of resilience, shock absorption, weight reduction or increased comfort. The midsole material can be The midsole material is injection molded over the entire sole shape, or just one or more of the sole portion, the heel portion, and other single portions.

Referring to FIGS. 5-6, a fur integrated snow boot provided by an embodiment of the present invention includes an upper 1 and a sole, wherein the upper 1 includes a toe surface 14, a front cylinder surface 13, a rear cylinder surface 12, and a heel surface which are sewn together. 11. The sole 2 is a PU (Polyurethane) sole, that is, the PU sole is formed by integrally molding the PU material and the upper 1 by an injection molding machine, and the upper 1 is placed above the mold of the injection molding machine, and the PU material is injected through the injection molding machine. The upper 1 is injection molded to form an integral body and at the same time the PU material forms a PU sole on the lower side of the upper 1. The high-temperature PU material is injected into the cavity of the mold, and the pressure in the cavity is maintained to prevent the high-temperature PU material from overflowing, and the high-temperature PU material is cooled and solidified together with the lower edge of the upper 1 . And the PU (Polyurethane) material includes the A material and the B material, and the mass ratio between the A material and the B material is a set ratio. In order to facilitate stitching and injection molding, the hair at the lower edge of the toe face 14 and the back cover should be removed, and the hair removal areas in the toe face 14 and the back cover are the hairless areas, i.e., the toe face 14 and the lower edge of the back cover. There is a hairless area, and the hairless area at the toe of the toe surface 14 has a width of 24.5-25.5 mm, preferably 25.0 mm. The width of the hairless region at the inner and outer waists of the toe surface 14 is 13-15 mm, preferably 14 mm. The hairless region in the back sleeve has a width of 13-15 mm, preferably 14 mm. Wherein, the width of the hairless region refers to the width of the hair-removing region, that is, the minimum distance from the outer edge of the toe face 14 and the back sleeve to the fur region after the hair removal.

It can be seen from the above that in the fur integrated snow boots provided by the embodiments of the present invention, the sole 2 is a PU sole, and the PU sole and the upper 1 are integrally molded by injection molding, instead of the PU sole being bonded to the upper 1 by glue, so that the PU sole is The connection with the upper 1 is more stable, and the connection between the two is not easy to fail. Since the sole 2 of the fur-integrated snow boots provided by the present invention is formed by integral injection molding, the PU sole and the upper 1 are not separated after the snow and the water are stepped in the winter, and the problem of opening the sole 2 is effectively avoided. In addition, the sole of the fur-integrated snow boots provided by the invention is a PU bottom, the material is soft and soft, and is very wear-resistant, which greatly improves the comfort of the wearer, and generally wears a snow boots in the prior art. If you are tired for an hour, you will feel uncomfortable when you walk for two hours wearing the fur-integrated snow boots provided by the present invention. Moreover, the sole 2 of the fur-integrated snow boots provided by the present invention is a PU bottom, and the sole 2 is extremely wear-resistant and difficult to fold. After extensive trials, the shoe sole of the prior art is generally bent 20,000 times. Broken, and the sole of the fur-integrated snow boots provided by the present invention is bent 50,000 times and still does not break. crack. The snow boots of the prior art wear a sole of 4% to 5% when worn for one month, and the injection molded sole of the fur-integrated snow boots provided by the present invention wears only a month and the sole wears only about 2%.

The edges of the toe regions in the toe face 14 and the back cover are trimmed 45° in the hair, wherein the hairy area is the area where the hair is not removed. Moreover, the thickness of the hair-removing area of the inner and outer waist of the toe surface 14 after the hair removal is 2.0 mm-3.0 mm, and the thickness of the toe-removing area of the toe surface 14 except for the inner and outer waist portions after the hair removal is 1.7-2.7 mm, and the hair is removed. The thickness of the hair-removing area of the rear heel 11 is 2.6-3.6 mm. Further, in order to ensure the accuracy of the shoe size, the thickness of the hair-removing area of the toe surface 14 after the hair removal is 2.1-2.2 mm, and the thickness of the hair-removing area of the heel surface 11 after the hair-cutting is 3.0-3.1 mm. If the thickness of the toe surface 14 before the trimming is less than 2.2 mm, the hair can be trimmed only 45°. If the thickness of the front and rear heel 11 is less than 3.1 mm, the hair can be trimmed only 45°.

Among them, the A material may be a polyol, and the B material may be an isocyanate. And the mass ratio of the A material and the B material, that is, the set ratio can be set according to the actual situation. Of course, the A material and the B material may also be other, and are not limited herein.

In order to make the connection between the upper 1 and the sole 2 more stable, the upper 1 further includes a first midsole 15 sewn together with the lower edges of the toe surface 14 and the heel surface 11, the PU sole being comparable to the first midsole 15 Injection molding is integrated. Specifically, the edge of the first midsole 15 should be sewn together with the edge of the upper 1 by a sewing machine. It is also possible to provide a loop at the lower edge of the toe face 14 and the heel face 11 and the edge of the first midsole 15 before the sewing of the needle. Of course, the lower edge of the toe surface 14 and the heel surface 11 can be directly injection molded integrally with the PU sole, which is not limited herein. The first midsole 15 is a taped nonwoven mat having a thickness of 0.8 to 1.2 mm, preferably 1 mm.

Further, the lower side of the first middle bottom plate is further bonded with a foam cushioning pad, and the material of the foam cushioning pad is PU foaming, and the thickness of the foam cushioning pad is 5-7 mm, preferably 6 mm, Hardness is 20-29 Shore Hardness.

Further, an insole may be further included on the upper side of the sole, the insole may include a wool pad, a second midsole under the wool pad, and an inner PU that is sandwiched between the wool pad and the second midsole and located at the rear root. The cushion, in which the PU cushion has good cushioning performance, the wool insole has good warmth, which greatly improves the comfort of people wearing snow boots. In addition, the wool pad, the second mid sole plate and the inner heightening PU pad can be put together by the sewing machine, which is not limited herein. Among them, the wool length of the wool pad can be Between 12mm and 16mm, the length of the wool pad may be 13mm, 15mm, etc., which is not limited herein. The second center plate 15 is a tape-non-woven mat having a thickness of 0.8 to 1.2 mm, preferably 1 mm.

Preferably, the rear heel surface 11 comprises a rear sleeve, a rear sleeve surface and a rear harbor treasure disposed between the rear sleeve and the rear sleeve surface. After the setting, the Hong Kong treasure can make the heel of the shoe hard and not deformable, and the rear sleeve and the back sleeve are It can be bonded to each other or to the Hong Kong Treasure. Of course, you can also not set Hougangbao, which is not limited here. The toe surface 14, the front cylinder surface 13, the rear cylinder surface 12, the rear sleeve surface and the rear sleeve can be sewn together by a needle cart.

Specifically, corresponding marking points can be disposed on the toe surface 14 and the front cylindrical surface 13 respectively, and only the marking point of the toe surface 14 and the marking point of the front cylindrical surface 13 can be aligned to ensure the toe surface 14 and the front tube Alignment of face 13. The number of token points can be three or two. In addition, the suture of the toe surface 14 and the front tube surface 13 may be an overturned suture, which is not limited herein. Similarly, corresponding marking points may be provided on the rear heel surface 11 and the rear cylinder surface 12, and only the marking points on the heel surface 11 and the marking points of the rear cylinder surface 12 may be aligned to ensure the heel surface 11 and Alignment of the rear face 12 . The number of the above mark points may be three or two or the like. In addition, the stitching of the rear heel surface 11 and the rear cylinder surface 12 may be an overturned stitching, which is not limited herein. The joined toe face 14 and front face 13 are then aligned with the back face 11 and the rear face 12 and stitched together.

In order to make the snow boots more beautiful, the PU sole may include upper and lower soles of different colors, and the upper and lower soles are respectively injection molded. That is, two injections can add different toners to the PU material. Further, the density of the upper split sole and the lower split sole may also be different, and specifically the upper layer may have a density of 0.42-0.48 g/cm ³ , preferably 0.45 g/cm ³ . The density of the lower layer may be from 1.1 to 1.3 g/cm ³ , preferably 1.2 g/cm ³ . Of course, the PU sole can also be formed by one injection molding only, that is, the PU sole has a single density, specifically 0.52-0.58 g/cm ³ , which is not limited herein.

In order to ensure that the snow boots are not easily deformed, a curved toe lining on the inner side of the toe portion of the toe surface 14 is also included. That is, the curved toe cap is attached to the inner side of the toe portion of the toe surface 14 by bonding, and the width of the hairless region at the toe of the toe cap is 24-26 mm. The toe cap can be leather or microfiber, and the material of the leather material and the super fiber is hard, and it has a supporting function after being attached to the toe portion of the toe surface 14, so that it is not easily deformed.

In order to ensure the stability of the connection, the connecting edges of the heel 11 and the toe surface 14 can be glued together and then sewn together by the sewing machine. Specifically, connection protrusions may be provided on the edges of the heel surface 11 and the toe surface 14, and the connection protrusions of the two are overlapped and bonded to each other, and then sewn together by the sewing machine. Of course, the suture of the heel 11 and the toe surface 14 may be an overturned suture, which is not limited herein.

The various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same similar parts between the various embodiments may be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments are obvious to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but the scope of the invention is to be accorded

Claims

A manufacturing process of a fur-integrated snow boots, comprising the steps of:

Cutting, cutting out the standard size of the toe surface, the front cylinder surface, the rear cylinder surface, the rear sleeve surface and the rear sleeve;

Sewing, sewing the toe surface, the front cylinder surface, the rear cylinder surface, the rear sleeve surface and the back sleeve to form an upper, and a rear harbor is arranged between the rear sleeve and the back sleeve;

The upper is sewn, and the first middle bottom plate and the upper are sewn together to form an upper;

The sole is injection-molded, and the PU material is integrally molded with the upper by an injection molding machine, and a PU sole is formed on the lower side of the upper, that is, the high-temperature PU material is cooled and integrated with the upper.
The manufacturing process of the fur-integrated snow boots according to claim 1, wherein the step of cutting and sewing further comprises the steps;

Shaving, removing the hair at the edge of the toe face and the back cover, and the trimming width at the toe of the toe face is 24-26 mm, the inner and outer waist of the toe face and the back cover The trimming width is 13-15mm.
The manufacturing process of the fur-integrated snow boots according to claim 1, wherein the step of injecting the sole further comprises the following steps:

The insole is placed, the insole is placed inside the snow boot formed by the injection of the sole, and the insole comprises a wool pad, a second midsole under the wool pad, and a middle of the wool pad and the second The PU pad is raised between the bottom plates and located in the rear root portion, and the wool pad, the second mid sole plate and the inner heightening PU pad are joined together by the needle cart.
The manufacturing process of the fur-integrated snow boots according to claim 2, wherein the step further comprises the steps of:

Plate making, according to the standard size of the toe surface, the front cylinder surface, the rear cylinder surface, the rear sleeve surface and the rear sleeve, a plurality of standard editions are respectively prepared, and according to the hair size of the toe surface and the rear sleeve after the hairdressing, respectively A hair version.
The manufacturing process of the fur-integrated snow boots according to claim 4, wherein the cutting step is specifically: cutting a toe surface, a front cylinder surface, and a rear cylinder of a standard size according to a plurality of the standard editions respectively. Face, back cover and back cover;

The trimming step is specifically: trimming the toe surface and the back sleeve according to a plurality of the blanks respectively, and the size of the thinning area is a difference between the standard version and the size of the blank.
The manufacturing process of the fur-integrated snow boots according to claim 1, wherein the step sewing comprises:

Aligning and stitching the toe face and the front face;

Attaching a rear treasure to the inside of the rear cover surface, and connecting the rear cover surface and the rear cover to form a heel surface;

Aligning and stitching the heel surface to the rear barrel surface;

The stitched toe face and the front face are aligned with the stitched heel face and the back face and stitched to form the upper.
The manufacturing process of the fur-integrated snow boots according to claim 6, wherein before the step of aligning and stitching the toe surface and the front cylinder surface, the method further comprises the steps of:

A curved toe lining is disposed inside the toe portion of the toe surface, and the trim width at the toe of the toe lining is 24-26 mm.
The manufacturing process of the fur-integrated snow boots according to claim 6, wherein the step of stitching the stitched toe surface and the front cylinder surface with the stitched heel surface and the rear cylinder surface to form an upper portion The connection between the heel and the toe is:

The joint between the heel surface and the toe surface is glued and then sewn together by the needle car.
The manufacturing process of the fur-integrated snow boot according to claim 6, further comprising: trimming the hair of the edge of the toe region in the toe face and the back cover by 45°, and removing the toe surface after the hair removal The thickness of the inner and outer waists is 2.0mm-3.0mm. After the hair removal, the thickness of the toe area of the toe surface except for the inner and outer waist portions is 1.7-2.7mm, and the heel of the heel is removed after the hair is removed. The thickness of the hair area is 2.6-3.6 mm.
The manufacturing process of the fur integrated snow boots according to claim 1, wherein in the sole injection molding step, the PU sole comprises two layers having different colors and densities, and the two layers are respectively injection molded. .
The manufacturing process of the fur-integrated snow boots according to claim 1, wherein the step of injecting the sole further comprises the steps of:

The shoe last is shaped, and the upper is heated on the shoe last to cool and dry the upper.
The manufacturing process of the fur-integrated snow boots according to claim 1, wherein the step of sewing between the upper and the injection of the sole further comprises the steps of: filling the midsole material, and molding the lower side of the first middle plate. Midsole material.
A fur integrated snow boot comprising a upper (1) and a sole (2), and the upper (1) includes a toe surface (14), a front cylinder surface (13), a rear cylinder surface (12) sewn together And a heel (11), wherein the sole (2) is a PU sole, and the PU material is integrally formed by injection molding the PU material with the upper (1), and the PU material comprises A material and B material. And the mass ratio between the A material and the B material is a set ratio, the toe surface (14) and the lower edge of the back cover have a hairless area, and the hairless area at the toe of the toe surface (14) The width is 24.5-25.5mm, the width of the hairless area at the inner and outer waist of the toe surface (14) is 13-15mm, and the width of the hairless area in the back sleeve is 13-15mm.
The fur-integrated snow boot according to claim 13, wherein the material A is a polyol and the material B is an isocyanate.
A fur-integrated snow boot according to claim 13, wherein said upper (1) further comprises a first midsole that is sewn together with a lower edge of the toe (14) and the heel (11) ( 15) The PU sole is injection molded integrally with the first mid sole plate (15).
A fur-integrated snow boot according to claim 15, further comprising an insole on an upper side of the sole (2), the insole comprising a wool pad, a second midsole under the wool pad, and a clip A PU pad is raised between the wool pad and the second midsole and located in the rear root, and the wool pad, the second midsole and the inner raised PU pad are joined together by a needle cart.
The fur-integrated snow boot according to claim 15, wherein the lower side of the first center bottom plate is further bonded with a foam cushioning pad.
The fur-integrated snow boot according to claim 13, wherein the rear heel (11) comprises a back cover, a rear cover, and a rear harbor disposed between the rear cover and the rear cover .
The fur-integrated snow boot according to claim 13, wherein the PU sole comprises an upper split sole and a lower split sole having different colors and densities, and the upper split sole and the lower split sole are respectively injection molded. .
The fur-integrated snow boot according to claim 19, wherein said upper split sole has a density of 0.42 - 0.48 g/cm 3 and said lower split sole has a density of 1.1 - 1.3 g/cm 3 . .
A fur-integrated snow boot according to claim 13 further comprising a curved toe lining disposed inside the toe portion of said toe surface (14).
The fur-integrated snow boot according to claim 13, characterized in that the connecting side of the heel surface (11) and the toe surface (14) is glued and then sewn together by the sewing machine.