CN117621348A

CN117621348A - Integral molding process, footwear fittings and shoes

Info

Publication number: CN117621348A
Application number: CN202311650408.9A
Authority: CN
Inventors: 陈智林; 韦鑫
Original assignee: Guangdong Enhao Underwear Industry Co ltd
Current assignee: Guangdong Enhao Underwear Industry Co ltd
Priority date: 2023-12-04
Filing date: 2023-12-04
Publication date: 2024-03-01

Abstract

The invention discloses a conjoined forming process, a shoe fitting and a shoe, and belongs to the technical field of shoe fitting production processes, wherein the conjoined forming process comprises the following steps: providing a forming die, a first foaming material, an upper shoe piece and a lower shoe piece, wherein the forming die comprises a first upper die holder and a lower die holder, the first upper die holder is provided with a first upper forming surface and a first sole forming surface, and the lower die holder is provided with a second upper forming surface and a second sole forming surface; attaching the upper shoe piece to the first upper molding surface and the first sole molding surface; attaching the lower shoe piece to the second upper molding surface and the second sole molding surface; adding a first foaming material above the lower shoe piece; the first upper die holder and the lower die holder are matched, the first upper die holder and the lower die holder jointly enclose a die cavity, and the first foaming material is foamed in the die cavity; after the first preset time of pressurize, first upper die base and die holder separation to obtain the assembly of upper of a shoe and sole, upper of a shoe and sole integrated into one piece finished piece is favorable to realizing upper of a shoe and sole integrated into one piece.

Description

Integral molding process, footwear fittings and shoes

Technical Field

The invention relates to the technical field of shoe accessory production processes, in particular to a one-piece forming process, a shoe accessory and a shoe.

Background

In the existing shoemaking process, the sole and the upper are respectively and independently formed and then are connected into a whole through the connection modes of bonding, sewing and the like, so that the complexity of the shoemaking process is easily caused, the connection stability of the sole and the upper is poor, and the problems of glue opening, loose sewing threads and the like are easily caused at the connection part of the sole and the upper after the shoe is worn for a long time.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a conjoined forming process, which enables the conjoined forming of the upper and the sole to be beneficial to improving the connection stability of the upper and the sole.

The invention also provides a shoe accessory.

The invention also provides a shoe.

According to an embodiment of the first aspect of the present invention, the integral molding process includes:

providing a forming die, a first foaming material, an upper shoe piece and a lower shoe piece, wherein the forming die comprises a first upper die holder and a lower die holder, the first upper die holder is provided with a first upper forming surface and a first sole forming surface which are connected, and the lower die holder is provided with a second upper forming surface and a second sole forming surface which are connected;

attaching the upper shoe piece to the first upper molding surface and the first sole molding surface;

attaching the lower shoe piece to the second upper molding surface and the second sole molding surface;

Adding a first foaming material above the lower shoe piece;

the first upper die holder and the lower die holder are matched, the first upper molding surface is opposite to the second upper molding surface, and the first sole molding surface is opposite to the second sole molding surface so as to jointly enclose a die cavity, and the first foaming material is foamed in the die cavity;

after the first preset time of pressure maintaining, the first upper die holder is separated from the lower die holder to obtain a combination body of the upper and the sole.

The integral forming process provided by the embodiment of the invention has at least the following beneficial effects: the first upper die holder is provided with a first upper molding surface and a first sole molding surface, the first upper molding surface and the first sole molding surface are arranged at an included angle, the joint of the first upper molding surface and the first sole molding surface corresponds to the heel of a human body, the lower die holder is adapted to the arrangement of the second upper molding surface and the second sole molding surface, the joint of the second upper molding surface and the second sole molding surface is arranged at an included angle, the joint of the second upper molding surface and the second sole molding surface jointly encloses a groove matched with the heel of the human body, during production, a worker can attach an upper shoe piece to the first upper molding surface and the first sole molding surface, attach a lower shoe piece to the second upper molding surface and the second sole molding surface, then add a first foaming material to the lower die holder, after the first upper die holder is in butt joint with the lower die holder and die assembly, the first upper molding surface and the second upper molding surface are arranged oppositely, the first upper die holder and the lower die holder are enclosed together to form a die cavity, the first foaming material is foamed and molded in the die cavity, the shape and the structure of the upper shoe sheet molding and the shape and the structure of the first upper die holder and the first sole die holder are favorable for adapting, the shape and the structure of the lower shoe sheet molding and the shape and the structure of the second upper die holder and the second sole die holder are favorable for simplifying the shoe manufacturing process compared with the way of independently manufacturing and reconnecting the upper and the sole, and the production efficiency is improved.

According to some embodiments of the invention, the first upper molding surface and the first sole molding surface are each provided with a plurality of first air suction holes;

attaching the upper shoe piece to the first upper molding surface and the first sole molding surface, comprising:

the upper shoe piece is abutted to the first upper molding surface and the first sole molding surface, and the first air suction hole is vacuumized, so that the upper shoe piece is adsorbed on the first upper molding surface and the first sole molding surface.

Specifically, in order to keep the laminating of last shoe piece and first upper of a shoe die and first sole die surface, first upper die base all is equipped with a plurality of first suction holes in first upper of a shoe die surface and first sole die surface department, cover last shoe piece on first upper of a shoe die surface and first sole die surface, and with first upper of a shoe die surface and first sole die surface butt back, the workman can carry out the evacuation to first suction hole through the pump body of peripheral hardware, so that first suction hole department forms the negative pressure, utilize the negative pressure can adsorb last shoe piece in first upper of a shoe die surface and first sole die surface department, be favorable to avoiding under the inflation effect of first foaming material, and make the problem that goes up shoe piece skew or produce the shrink appear, this disjunctor shaping technology is through negative pressure absorption cooperation foaming inflation, so that last shoe piece forms the shape with first sole die surface looks adaptation and first upper of a shoe die surface precision that is favorable to improving.

According to some embodiments of the invention, abutting an upper shoe piece against a first upper molding surface and a first sole molding surface comprises:

providing a clamping frame, wherein the clamping frame is provided with an opening;

connecting the upper shoe piece to the clamping frame and covering the opening;

the clamping frame is close to the first upper die holder, the first upper molding surface and the first sole molding surface penetrate through the opening to be abutted with the upper shoe piece, and the upper shoe piece is kept tensioned.

Considering that the first upper molding surface and the first sole molding surface have concave-convex shapes, when the upper shoe piece is attached to the first upper molding surface and the first sole molding surface, the upper shoe piece is easy to generate folds at the concave-convex shapes, so that the surface of the formed upper or sole is not smooth.

According to some embodiments of the invention, the forming die further comprises a first press frame, the first upper die base is provided with a first annular groove surrounding the first upper forming surface and the first sole forming surface, and the first press frame is matched with the first annular groove;

will go up shoe piece butt in first upper of a shoe molding surface and first sole molding surface, include:

the upper shoe piece is covered on the first annular groove, and the first pressing frame is embedded with the first annular groove.

In order to enable the upper shoe piece to be attached to the first upper forming surface and the first sole forming surface, the forming die further comprises a first pressing frame which is adapted, the first upper die base is provided with a first annular groove which surrounds the first upper forming surface and the first sole forming surface, during production, a worker can cover the upper shoe piece on the first annular groove, the first upper forming surface and the first sole forming surface, the first pressing frame is embedded with the first annular groove, the outer edge of the upper shoe piece is clamped between the first pressing frame and the first annular groove, attachment states of the upper shoe piece, the first upper forming surface and the first sole forming surface are facilitated to be fixed, attachment of the upper shoe piece to the first upper die base is not required to be achieved through pressing by the worker at any time, sealing degree between the upper shoe piece and the first upper forming surface or between the first sole forming surface is facilitated to be improved through embedding of the first pressing frame and the first annular groove, and vacuum leakage between the upper shoe piece and the first upper forming surface or the first sole forming surface is facilitated to be avoided.

providing a fitting piece, wherein the fitting piece is provided with a fitting surface matched with the molding surface of the first upper;

and covering the upper shoe piece on the first upper molding surface, wherein the bonding surface of the bonding piece is embedded with the first upper molding surface.

Considering that the width of the concave-convex area of the first upper molding surface is larger than that of the first sole molding surface, the upper shoe piece is difficult to realize comprehensive lamination with the first upper molding surface, wrinkles are easily generated on the upper shoe piece in the area with overlarge concave-convex shape change, the integral molding process further comprises a lamination piece, the lamination piece is provided with a lamination surface matched with the first upper molding surface, during production, workers can cover the upper shoe piece on the first upper molding surface and the first sole molding surface and press the lamination surface of the lamination piece towards the first upper molding surface so that the lamination surface is embedded with the first upper molding surface, the upper shoe piece is arranged between the lamination piece and the first upper die holder, the lamination of the upper shoe piece and the first upper molding surface is facilitated through mutual extrusion of the lamination piece and the first upper die holder, and the wrinkles generated on the first upper shoe piece at the first upper molding surface are reduced.

According to some embodiments of the invention, the second upper molding surface and the second sole molding surface are each provided with a plurality of second air suction holes;

attaching the lower shoe piece to the second upper molding surface and the second sole molding surface, comprising:

the lower shoe piece is abutted to the second upper molding surface and the second sole molding surface, and the second air suction hole is vacuumized, so that the lower shoe piece is adsorbed on the second upper molding surface and the second sole molding surface.

Specifically, in order to keep the fit of the lower shoe piece with the second upper molding surface and the second sole molding surface, a plurality of second air suction holes are formed in the lower die holder at the second upper molding surface and the second sole molding surface, the lower shoe piece is covered on the second upper molding surface and the second sole molding surface and is abutted to the second upper molding surface and the second sole molding surface, a worker can vacuumize the second air suction holes through a pump body arranged outside the lower die holder, so that negative pressure is formed at the second air suction holes, the lower shoe piece can be adsorbed at the second upper molding surface and the second sole molding surface by utilizing the negative pressure, the problem that the lower shoe piece is deviated or shrink is generated under the expansion action of second foaming materials is avoided, and the integral molding process is matched with the foaming expansion through the negative pressure adsorption, so that the lower shoe piece forms a shape matched with the second sole molding surface and the second upper molding surface, and the surface precision of the lower shoe piece is improved.

According to some embodiments of the invention, the lower shoe sheet comprises a sole surrounding sheet and an upper surrounding sheet;

will lower shoe piece butt in second upper of a shoe molding surface and second sole molding surface, include:

placing the upper surrounding piece corresponding to the second upper forming surface, placing the sole surrounding piece corresponding to the second sole forming surface, and connecting the rear edge of the sole surrounding piece with the lower edge of the upper surrounding piece.

The die holder is the die setting, in order to realize the laminating of shoe piece and second sole shaping face and second upper shaping face, the shoe piece can adopt split fashioned mode down, the shoe piece is enclosed the piece and is enclosed the piece including the sole, the upper of a shoe encloses the piece and corresponds the upper of a shoe setting, during the production, the upper of a shoe encloses the piece and corresponds the second upper shaping face and place, be favorable to improving the upper of a shoe and enclose the piece and the adaptation degree of second upper of a shoe shaping face, the sole encloses the piece and corresponds the second sole shaping face and place, be favorable to improving the adaptation degree of sole and the shaping face of second sole, be favorable to realizing the laminating of sole and shaping face of sole, and the trailing edge of sole encloses the piece and the lower edge of upper of a shoe and be connected, under the foaming inflation effect of first foaming material, be favorable to making sole enclose the piece and upper of a shoe and enclose the piece and be connected as an organic wholely, be favorable to improving sole and upper of a shoe and enclose the piece and enclose the stability of connection of piece, and be favorable to avoiding the sole to enclosing the piece and the problem that the junction of upper of a shoe piece leaks vacuum or leaks to appear.

According to some embodiments of the invention, the upper panel has a concave three-dimensional shape; and/or the number of the groups of groups,

the upper surrounding piece is manufactured through a sewing technology.

Optionally, the upper surrounding piece is in a concave three-dimensional shape, the upper surrounding piece is manufactured according to the shape of the second upper forming surface, and the upper surrounding piece is placed corresponding to the second upper forming surface, so that the adaptation degree of the upper surrounding piece and the second upper forming surface is improved, and the upper surrounding piece and the second upper forming surface are bonded; optionally, the upper surrounding piece can be manufactured through a sewing process, so that the upper surrounding piece forms a preset three-dimensional shape, and the adaptive connection between the upper surrounding piece and the second upper forming surface is improved.

According to some embodiments of the invention, the forming die further comprises a second press frame, the lower die holder is provided with a second annular groove surrounding the second upper forming surface and the second sole forming surface, and the second press frame is matched with the second annular groove;

covering the lower shoe piece on the second annular groove, and embedding the second pressing frame with the second annular groove.

In order to enable the lower shoe piece to keep being attached to the second upper forming surface and the second sole forming surface, the forming die further comprises a second pressing frame, the second upper die holder is provided with a second annular groove which surrounds the second upper forming surface and the second sole forming surface, the second annular groove is matched with the second upper forming surface and the second sole forming surface, during production, workers can cover the lower shoe piece on the second annular groove, the second upper forming surface and the second sole forming surface, the second pressing frame is embedded with the second annular groove, the outer edge of the lower shoe piece is clamped between the second pressing frame and the second annular groove, attachment states of the lower shoe piece, the second upper forming surface and the second sole forming surface are facilitated to be fixed, attachment of the lower shoe piece to the lower die holder is not required to be achieved through pressing by workers at any time, and sealing degree between the lower shoe piece and the second upper forming surface or between the second sole forming surface is facilitated to be improved through embedding of the second pressing frame and the second annular groove, and the problem of vacuum leakage between the lower shoe piece and the second upper forming surface or the second sole forming surface is facilitated to be avoided.

According to some embodiments of the invention, the molding die further comprises a second upper die holder comprising a third upper molding surface and a third sole molding surface connected;

the one-piece molding process further comprises, prior to adding the first foam material over the lower shoe sheet:

providing a second foaming material and adding the second foaming material above the lower shoe piece;

the second upper die holder and the lower die holder are matched, the third upper molding surface is opposite to the second upper molding surface, the third sole molding surface is opposite to the second sole molding surface, so as to jointly enclose a die cavity, and the second foaming material is foamed in the die cavity;

and after maintaining the pressure for a second preset time, separating the second upper die holder from the lower die holder.

In order to change the supporting and wrapping performance of the upper or the sole on a human body, the forming die further comprises a second upper die holder, the second upper die holder is provided with a third upper forming surface and a third sole forming surface which are connected, the combined body of the upper and the sole can be prepared in a multi-time foaming mode, so that the combined body forms an interlayer with different hardness, a worker specifically attaches an upper shoe piece to the upper die holder, attaches a lower shoe piece to the lower die holder, the worker can add a second foaming material above the lower shoe piece, and enables the second upper die holder to be matched with the lower die holder, the second upper die holder and the lower die holder together enclose a die cavity, the second foaming material is formed in the die cavity in a foaming mode, under the expansion effect of the second foaming material, a lower adhesive layer is formed above the lower shoe piece, then the upper adhesive layer and the lower adhesive layer are sequentially clamped by changing the first upper die holder and the lower die holder in a foaming mode, and the upper adhesive layer and the lower adhesive layer are formed above the lower adhesive layer in a foaming mode.

An embodiment of a footwear accessory according to the second aspect of the invention is manufactured using a one-piece moulding process as described in any of the first aspects.

The footwear accessory according to the embodiment of the invention has at least the following beneficial effects: the first upper die holder is provided with a first upper molding surface and a first sole molding surface, the first upper molding surface and the first sole molding surface are arranged at an included angle, the joint of the first upper molding surface and the first sole molding surface corresponds to the heel of a human body, the lower die holder is adapted to the arrangement of the second upper molding surface and the second sole molding surface, the joint of the second upper molding surface and the second sole molding surface is arranged at an included angle, the joint of the second upper molding surface and the second sole molding surface jointly encloses a groove matched with the heel of the human body, during production, a worker can attach an upper shoe piece to the first upper molding surface and the first sole molding surface, attach a lower shoe piece to the second upper molding surface and the second sole molding surface, then add a first foaming material to the lower die holder, after the first upper die holder is in butt joint with the lower die holder and die assembly, the first upper molding surface and the second upper molding surface are arranged oppositely, the first upper die holder and the lower die holder are enclosed together to form a die cavity, the first foaming material is foamed and molded in the die cavity, the shape and the structure of the upper shoe sheet molding and the shape and the structure of the first upper die holder and the first sole die holder are favorable for adapting, the shape and the structure of the lower shoe sheet molding and the shape and the structure of the second upper die holder and the second sole die holder are favorable for simplifying the shoe manufacturing process compared with the way of independently manufacturing and reconnecting the upper and the sole, and the production efficiency is improved.

An embodiment of a shoe according to a third aspect of the invention includes a footwear accessory as shown in the second aspect.

The shoe provided by the embodiment of the invention has at least the following beneficial effects: the first upper die holder is provided with a first upper molding surface and a first sole molding surface, the first upper molding surface and the first sole molding surface are arranged at an included angle, the joint of the first upper molding surface and the first sole molding surface corresponds to the heel of a human body, the lower die holder is adapted to the arrangement of the second upper molding surface and the second sole molding surface, the joint of the second upper molding surface and the second sole molding surface is arranged at an included angle, the joint of the second upper molding surface and the second sole molding surface jointly encloses a groove matched with the heel of the human body, during production, a worker can attach an upper shoe piece to the first upper molding surface and the first sole molding surface, attach a lower shoe piece to the second upper molding surface and the second sole molding surface, then add a first foaming material to the lower die holder, after the first upper die holder is in butt joint with the lower die holder and die assembly, the first upper molding surface and the second upper molding surface are arranged oppositely, the first upper die holder and the lower die holder are enclosed together to form a die cavity, the first foaming material is foamed and molded in the die cavity, the shape and the structure of the upper shoe sheet molding and the shape and the structure of the first upper die holder and the first sole die holder are favorable for adapting, the shape and the structure of the lower shoe sheet molding and the shape and the structure of the second upper die holder and the second sole die holder are favorable for simplifying the shoe manufacturing process compared with the way of independently manufacturing and reconnecting the upper and the sole, and the production efficiency is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of a combination of a conjoined molding process according to an embodiment of the present invention;

FIG. 2 is a schematic view of another view of a combination of the integrated molding process according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a mold assembly of a first upper mold base and a lower mold base in a mold assembly of a conjoined molding process according to an embodiment of the invention;

FIG. 4 is a schematic diagram of a lower die holder of a conjoined forming process according to an embodiment of the present invention;

FIG. 5 is a schematic diagram showing a structure of a lower die holder separated from a second press frame in a one-piece molding process according to an embodiment of the present invention;

FIG. 6 is a schematic view of an upper panel of a one-piece molding process according to one embodiment of the present invention;

FIG. 7 is a schematic view of a structure in which an upper surrounding piece and a sole surrounding piece of a conjoined molding process according to an embodiment of the present invention are placed on a lower die holder;

FIG. 8 is a schematic view of a first upper die holder of a conjoined forming process according to an embodiment of the present invention;

FIG. 9 is a flow chart of a conjoined forming process according to an embodiment of the present invention;

FIG. 10 is a flow chart of a conjoined forming process according to an embodiment of the present invention;

FIG. 11 is a flow chart of a conjoined forming process according to an embodiment of the present invention;

FIG. 12 is a flow chart of a conjoined forming process according to an embodiment of the present invention;

FIG. 13 is a flow chart of a conjoined forming process according to an embodiment of the present invention;

FIG. 14 is a flow chart of a conjoined forming process according to an embodiment of the present invention;

FIG. 15 is a flow chart of a conjoined forming process according to an embodiment of the present invention;

FIG. 16 is a flow chart of a conjoined forming process according to an embodiment of the present invention;

FIG. 17 is a flow chart of a conjoined forming process according to an embodiment of the present invention.

Reference numerals:

100. a first upper die holder; 110. a first sole molding surface; 120. a first upper molding surface; 121. a concave portion; 130. a bump; 140. a first gas flow passage; 150. an upper bonding surface; 160. a first annular groove; 170. an upper limit part;

200. a lower die holder; 210. a second sole molding surface; 220. a second upper molding surface; 221. a texture portion; 230. a groove; 240. a second gas flow path; 250. a lower bonding surface; 260. a second annular groove; 270. a lower limit part;

300. A first press frame;

400. a second press frame;

500. a combination body; 510. a sole surrounding piece; 520. an upper surrounding piece.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 17, the integral molding process according to an embodiment of the present invention includes the steps of:

step S100, providing a forming die, a first foaming material, an upper shoe piece and a lower shoe piece, wherein the forming die comprises a first upper die holder 100 and a lower die holder 200, the first upper die holder 100 is provided with a first upper forming surface 120 and a first sole forming surface 110 which are connected, and the lower die holder 200 is provided with a second upper forming surface 220 and a second sole forming surface 210 which are connected;

step S200, attaching the upper shoe piece to the first upper molding surface 120 and the first sole molding surface 110;

step S300, attaching the lower shoe piece to the second upper molding surface 220 and the second sole molding surface 210;

step S400, adding a first foaming material above the lower shoe piece;

step S500, the first upper mold base 100 and the lower mold base 200 are assembled, the first upper molding surface 120 is opposite to the second upper molding surface 220, and the first sole molding surface 110 is opposite to the second sole molding surface 210, so as to jointly enclose a mold cavity, and the first foaming material is foamed in the mold cavity;

In step S600, after the first preset time of pressure maintaining, the first upper mold base 100 is separated from the lower mold base 200 to obtain the upper and sole assembly 500.

Referring to fig. 3, 4, 5 and 8, it can be understood that in step S100, the forming mold includes a first upper mold base 100 and a lower mold base 200, the first upper mold base 100 is a male mold, the adapted lower mold base 200 is a female mold, the lower surface of the first upper mold base 100 is a parting surface, and the upper surface of the lower mold base 200 is a parting surface.

The lower surface of the first upper die holder 100 includes a first upper molding surface 120 and a first sole molding surface 110, the first upper molding surface 120 is disposed at the rear of the first sole molding surface 110, the first upper molding surface 120 and the first sole molding surface 110 are disposed at an included angle, and a joint between the first upper molding surface 120 and the first sole molding surface 110 jointly encloses a bump 130 adapted to the heel of a human body. Specifically, the first upper molding surface 120 is arranged in an arch shape for wrapping and supporting the heel of the human body, and the first sole molding surface 110 is arranged in a plane for fitting with the sole of the human body.

Referring to fig. 4 and 5, the upper surface of the adapted lower mold base 200 includes a second upper molding surface 220 and a second sole molding surface 210, the second upper molding surface 220 is located at the rear of the second sole molding surface 210, the second upper molding surface 220 and the second sole molding surface 210 are arranged at an included angle, the junction of the second upper molding surface 220 and the second sole molding surface 210 together encloses a groove 230 adapted to the heel of a human body, and the shape of the groove 230 is adapted to the shape of the protruding block 130. Specifically, the second upper molding surface 220 is arranged in an arch shape to wrap and support the heel of the human body, and the second sole molding surface 210 is arranged in a plane to attach to the sole of the human body.

Referring to fig. 8, it can be understood that in step S100, the first upper molding surface 120 and the first sole molding surface 110 are each provided with a plurality of first air suction holes, the first upper mold base 100 is provided with a first air flow channel 140, and the first air suction holes located at the first upper molding surface 120 and the first sole molding surface 110 are communicated with the first air flow channel 140.

The first upper molding surface 120 and the first sole molding surface 110 are densely provided with a plurality of first air suction holes, the first air suction holes are communicated with one end of the first air flow channel 140, the other end of the first air flow channel 140 is a first air suction hole, a user can communicate a pump body which is arranged outside with the first air suction hole through a hose, and negative pressure is generated at the first air suction holes under the action of pressure transformation of the pump body.

Referring to fig. 10, it can be understood that, in step S200, attaching the upper shoe sheet to the first upper molding surface 120 and the first sole molding surface 110 includes the steps of:

in step S210, the upper shoe piece is abutted against the first upper molding surface 120 and the first sole molding surface 110, and the first suction hole is vacuumized, and the upper shoe piece is adsorbed on the first upper molding surface 120 and the first sole molding surface 110.

Referring to fig. 8, specifically, in order to keep the upper shoe piece attached to the first upper molding surface 120 and the first sole molding surface 110, the first upper die holder 100 is provided with a plurality of first air suction holes at the first upper molding surface 120 and the first sole molding surface 110, the upper shoe piece is covered on the first upper molding surface 120 and the first sole molding surface 110, and after being abutted to the first upper molding surface 120 and the first sole molding surface 110, a worker can vacuumize the first air flow channel 140 through a pump body arranged outside, so that negative pressure is formed at the first air suction holes, the upper shoe piece can be adsorbed at the first upper molding surface 120 and the first sole molding surface 110 by utilizing the negative pressure, the problem that the upper shoe piece is offset or shrink is caused under the expansion action of the first foaming material is avoided, and the integral molding process is expanded by matching the foaming through the negative pressure adsorption, so that the upper shoe piece forms a shape matched with the first sole molding surface 110 and the first upper shoe piece 120, and the surface precision of the upper shoe piece is improved. The sole and the upper share the same shoe-on piece, and the shoe-on piece is attached to the heel and the sole of a human body, so that the scratch to the foot of the human body is reduced, and the wearing comfort of a user is improved.

Referring to fig. 11, it can be understood that in step S210, the upper shoe piece is abutted against the first upper molding surface 120 and the first sole molding surface 110, and further includes the steps of:

step S211, providing a clamping frame, wherein the clamping frame is provided with an opening;

step S212, connecting the upper shoe piece to the clamping frame and covering the opening;

in step S213, the clamping frame approaches the first upper mold base 100, the first upper molding surface 120 and the first sole molding surface 110 are abutted to the upper shoe plate through the opening, and the upper shoe plate is kept tensioned.

In step S211, the clamping frame includes a first frame body and a second frame body, the first frame body is rotationally connected with the second frame body, openings are formed in the first frame body and the second frame body, the first frame body and the second frame body can be unfolded or overlapped relatively, and when the first frame body and the second frame body are overlapped, the openings of the first frame body and the openings of the second frame body are overlapped.

In step S212, during production, the worker can unfold the first frame and the second frame, place the upper shoe on one of the first frame and the second frame, then clamp the upper shoe between the first frame and the second frame by rotating the other of the first frame and the second frame, and the clamping of the first frame and the second frame is beneficial to covering the upper shoe at the opening, and the upper shoe is in a tensioning state, so that the problem that the upper shoe cannot be fully attached to the first upper molding surface 120 or the first sole molding surface 110 when the upper shoe is abutted to the first upper molding surface 120 or the first sole molding surface 110 is avoided.

In step S213, after the upper shoe is sandwiched between the first frame and the second frame, the user can align the opening of the clamping frame with the first upper molding surface 120 and the first sole molding surface 110, and apply pressure to the clamping frame to approach the first upper die holder 100, so that the clamping frame approaches the first upper die holder 100, and the first upper molding surface 120 and the first sole molding surface 110 are abutted against the upper shoe after passing through the opening.

Considering that the first upper molding surface 120 and the first sole molding surface 110 have concave-convex shapes, when the upper shoe piece is attached to the first upper molding surface 120 and the first sole molding surface 110, the upper shoe piece is easy to generate wrinkles at the concave-convex shapes, so that the surface of the formed upper or sole is not smooth.

As another embodiment, the clamping frame is provided with a plurality of positioning nails, the positioning nails are arranged around the opening, and when the shoe-fixing device is used, a worker can pass the shoe-fixing nails through the positioning nails, so that the shoe-fixing device is connected to the clamping frame and covers the opening of the clamping frame, and the relative position relation between the shoe-fixing device and the clamping frame is facilitated to be fixed through the positioning nails. Then the workman can be with the locating pin orientation first upper die base 100 to make the opening of centre gripping frame and first upper of a shoe die face 120 and first sole die face 110 align, and exert the pressure that is close to first upper die base 100 to the centre gripping frame, so that the centre gripping frame is close to first upper die base 100, and first upper of a shoe die face 120 and first sole die face 110 pass the opening after with last shoe piece butt, under the spacing effect of locating pin, last shoe piece keeps tensioning state, is favorable to realizing the comprehensive laminating of last shoe piece and first upper of a shoe die face 120 or first sole die face 110.

Referring to fig. 8 and 12, it can be appreciated that the forming mold further includes a first press frame 300, the first upper mold base 100 is provided with a first annular groove 160 surrounding the first upper molding surface 120 and the first sole molding surface 110, and the first press frame 300 is adapted to the first annular groove 160;

In step S210, the upper shoe piece is abutted against the first upper molding surface 120 and the first sole molding surface 110, and further includes the steps of:

in step S214, the upper shoe sheet is covered on the first annular groove 160, and the first press frame 300 is fitted into the first annular groove 160.

In order to enable the upper shoe piece to be tightly attached to the first sole molding surface 110 and the first upper molding surface 120, the problem that the upper shoe piece is wrinkled at the first upper molding surface 120 and the first sole molding surface 110 due to the fact that the first air flow passage 140 is vacuumized is avoided. The molding die further includes a first press frame 300, and the first upper mold base 100 is provided with a first annular groove 160 at the outer sides of the first upper molding surface 120 and the first sole molding surface 110.

When the upper shoe piece covers the first sole molding surface 110 and the first upper molding surface 120, a user can embed the first press frame 300 in the first annular groove 160, and the outer edge of the upper shoe piece is clamped in the first press frame 300 and the first annular groove 160, which is favorable for tensioning the upper shoe piece and attaching to the first upper molding surface 120 and the first sole molding surface 110, and cooperates with the expansion action of the first foaming material to form the surface shapes of the first upper molding surface 120 and the first sole molding surface 110, and can effectively reduce wrinkles generated after the upper shoe piece is molded, so that the surfaces of the upper shoe piece and the sole attached to a human body are smooth, and the upper shoe piece is favorable for being fixed at the first upper die holder 100 through the embedding of the first press frame 300 and the first annular groove 160, so that the attaching state of the upper shoe piece and the first upper molding surface 120 and the first sole molding surface 110 is favorable for being attached to the upper shoe piece and the first upper die holder 100 without pressing the upper shoe piece at any time.

Referring to fig. 13, it can be understood that in step S210, the upper shoe piece is abutted against the first upper molding surface 120 and the first sole molding surface 110, and the steps of:

step S215, providing a fitting piece, wherein the fitting piece is provided with a fitting surface matched with the first upper molding surface 120;

in step S216, the upper shoe sheet is covered on the first upper molding surface 120, and the bonding surface of the bonding piece is embedded with the first upper molding surface 120.

Compared with the first sole molding surface 110, the first upper molding surface 120 has larger concave-convex amplitude, the shoe-attaching piece is difficult to realize comprehensive attachment with the first upper molding surface 120, and wrinkles are easily generated on the shoe-attaching piece in the area with overlarge concave-convex shape change.

Referring to fig. 1 and 8, in the process of production, a worker may cover the upper shoe sheet on the first upper molding surface 120 and the first sole molding surface 110 and press the bonding surface of the bonding member toward the first upper molding surface 120 so that the bonding surface is embedded with the first upper molding surface 120, and the upper shoe sheet is disposed between the bonding member and the first upper mold base 100, so that the upper shoe sheet is bonded with the first upper mold base 100 and wrinkles generated at the first upper molding surface 120 are reduced by the mutual extrusion of the bonding member and the first upper mold base 100.

It is understood that the forming mold further comprises a second lower mold base, the second lower mold base is provided with a fourth upper forming surface and a fourth sole forming surface which are connected, and the attaching piece can be the second lower mold base. The fourth upper molding surface is adapted to the first upper molding surface 120 and the fourth sole molding surface is adapted to the first sole molding surface 110.

When the shoe press is used, a worker can firstly connect the shoe upper at the clamping frame and approach the clamping frame to the first upper die holder 100, so that the first upper molding surface 120 and the first sole molding surface 110 are abutted with the shoe upper through the opening, and then the first press frame 300 can press the shoe upper into the first annular groove 160 after passing through the opening, so that the fit state of the shoe upper and the first upper die holder 100 is maintained. And then the second lower die holder passes through the opening and then is in butt joint with the first upper die holder 100, under the mutual extrusion action of the second lower die holder and the first upper die holder 100, the upper shoe piece is favorably attached to the first upper die holder 100, wrinkles generated by the upper shoe piece at the first upper molding surface 120 or the first sole molding surface 110 are reduced, the upper shoe piece is favorably attached to the first upper molding surface 120 or the first sole molding surface 110 comprehensively, and then a gap between the upper shoe piece and the first upper molding surface 120 or the first sole molding surface 110 can be eliminated in a vacuumizing mode, and the upper shoe piece is adsorbed at the first upper die holder 100 so as to keep the attachment of the upper shoe piece and the first upper molding surface 120 and the first sole molding surface 110 comprehensively.

Referring to fig. 4 and 5, it can be understood that in step S100, the second upper molding surface 220 and the second sole molding surface 210 are each provided with a plurality of second air suction holes, the lower die holder 200 is provided with a second air flow channel 240, and the second air suction holes located at the second upper molding surface 220 and the second sole molding surface 210 are communicated with the second air flow channel 240.

The second upper molding surface 220 and the second sole molding surface 210 are densely provided with a plurality of second air suction holes, the second air suction holes are communicated with one end of the second air flow channel 240, the other end of the second air flow channel 240 is a second air suction hole, a user can communicate a pump body arranged outside with the second air suction hole through a hose, and under the pressure transformation action of the pump body, negative pressure is generated at the second air suction holes at the second upper molding surface 220 and the second sole molding surface 210.

When the shoe sole is used, a worker can cover the lower shoe sole on the second upper molding surface 220 and the second sole molding surface 210, and the lower shoe sole is tightly attached to the second upper molding surface 220 and the second sole molding surface 210 in a mode of vacuumizing the second air flow channel 240, so that the problem that the lower shoe sole is offset or wrinkled under the expansion action of the first foaming material is avoided, the expansion action of the first foaming material is matched, the surface shapes of the lower shoe sole molding surface and the second upper molding surface 220 and the second sole molding surface 210 are favorably matched, and the accuracy of the molded surface shapes is favorably improved.

Referring to fig. 14, it can be understood that, in step S300, attaching the lower shoe sheet to the second upper molding surface 220 and the second sole molding surface 210 includes the steps of:

in step S310, the lower shoe piece is abutted against the second upper molding surface 220 and the second sole molding surface 210, and the second suction hole is vacuumized, and the lower shoe piece is adsorbed on the second upper molding surface 220 and the second sole molding surface 210.

Specifically, in order to keep the lower shoe piece attached to the second upper molding surface 220 and the second sole molding surface 210, the lower die holder 200 is provided with a plurality of second air suction holes at the positions of the second upper molding surface 220 and the second sole molding surface 210, the lower shoe piece is covered on the second upper molding surface 220 and the second sole molding surface 210 and is abutted to the second upper molding surface 220 and the second sole molding surface 210, after the lower shoe piece is abutted to the second upper molding surface 220 and the second sole molding surface 210, a worker can vacuumize the second air flow channel 240 through a pump body arranged outside, so that negative pressure is formed at the positions of the second air suction holes, the lower shoe piece can be adsorbed at the positions of the second upper molding surface 220 and the second sole molding surface 210 by utilizing the negative pressure, the problem that the lower shoe piece is deviated or shrink is caused under the expansion action of the first foaming material is avoided, and the integral molding process is expanded through the negative pressure adsorption and matched foaming, so that the lower shoe piece forms a shape matched with the second sole molding surface 210 and the second upper molding surface 220, and the surface precision of the lower shoe piece is improved. The lower shoe piece is coated on the lower surface of the sole and the outer surface of the upper, so that the connection stability and the integration of the sole and the upper are enhanced, and the wrapping and the supporting of human feet are realized.

Referring to fig. 1, 2, 6 and 7, it is understood that the lower shoe sheet includes a sole perimeter sheet 510 and an upper perimeter sheet 520. Referring to fig. 15, in step S310, the lower shoe piece is abutted against the second upper molding surface 220 and the second sole molding surface 210, and the method includes:

in step S311, the upper surrounding piece 520 is placed corresponding to the second upper molding surface 220, the sole surrounding piece 510 is placed corresponding to the second sole molding surface 210, and the rear edge of the sole surrounding piece 510 is connected with the lower edge of the upper surrounding piece 520.

The lower die holder 200 is the die setting, in order to realize the laminating of lower shoe piece and second sole shaping face 210 and second upper of a shoe shaping face 220, lower shoe piece can adopt the fashioned mode of components of a whole that can function independently, lower shoe piece includes that the sole encloses piece 510 and upper of a shoe encloses piece 520, upper of a shoe encloses piece 520 and corresponds the upper setting of a shoe, during the production, upper of a shoe encloses piece 520 and encloses piece 220 and place for the second upper of a shoe shaping face 220, be favorable to improving the adaptation degree that upper of a shoe encloses piece 520 and second upper of a shoe shaping face 220, the sole encloses piece 510 is placed for the second sole shaping face 210, be favorable to improving the adaptation degree that the sole encloses piece 510 and second sole shaping face 210, and the trailing edge that the sole encloses piece 510 encloses piece 520 overlaps with the lower extreme of upper of a shoe encloses piece 520, under the foaming inflation effect of first foaming material, be favorable to making the sole enclose piece 510 and upper of a shoe encloses piece 520 to be connected as an organic wholely, be favorable to improving the connection stability that the sole encloses piece 510 and upper of a shoe encloses piece 520, and be favorable to improving the sole and enclosing piece 520 to the appearance of the sole and the vacuum of the sole piece 510 and the sole encloses piece 510 and the problem of the appearance of the sole and is favorable to avoiding the appearance of the leak to enclose piece.

As can be appreciated by referring to fig. 1, 2 and 6, the upper surrounding piece 520 has a concave three-dimensional shape, the upper surrounding piece 520 is manufactured according to the shape of the second upper forming surface 220, and the upper surrounding piece 520 is placed corresponding to the second upper forming surface 220, which is beneficial to improving the fit between the upper surrounding piece 520 and the second upper forming surface 220 and facilitating the fit between the upper surrounding piece 520 and the second upper forming surface 220.

Referring to fig. 6 and 7, alternatively, the upper surrounding sheet 520 may be formed by a sewing process, and a worker may use a sewing process of a cloth sheet, for example, after cutting a notch from a flat sheet-shaped cloth, the two edges of the notch are integrally connected by a sewing manner, so that the flat sheet-shaped cloth has a concave three-dimensional shape to form the upper surrounding sheet 520, which is beneficial to improving the fit between the upper surrounding sheet 520 and the second upper forming surface 220, so as to implement comprehensive fit between the upper surrounding sheet 520 and the second upper forming surface 220.

As another example, upper shell 520 is the same piece of material as sole shell 510, and stitching of upper shell 520 allows upper shell 520 to be formed into a three-dimensional shape while sole shell 510 remains flat.

Referring to fig. 16, it can be understood that in the present embodiment, the forming mold further includes a second press frame 400, the lower mold base 200 is provided with a second annular groove 260 surrounding the second upper molding surface 220 and the second sole molding surface 210, and the second press frame 400 is adapted to the second annular groove 260;

in step S310, the lower shoe piece is abutted against the second upper molding surface 220 and the second sole molding surface 210, and further includes the steps of:

in step S312, the lower shoe sheet is covered on the second annular groove 260, and the second press frame 400 is fitted into the second annular groove 260.

Referring to fig. 3, 4 and 5, in order to keep the lower shoe piece attached to the second upper molding surface 220 and the second sole molding surface 210, the molding mold further includes a second press frame 400, and the lower mold base 200 is adapted with a second annular groove 260 adapted around the second upper molding surface 220 and the second sole molding surface 210, and during production, a worker can cover the lower shoe piece at the second annular groove 260, the second upper molding surface 220 and the second sole molding surface 210, and engage the second press frame 400 with the second annular groove 260, so that the outer edge of the lower shoe piece is clamped between the second annular groove 260 and the second press frame 400, which is beneficial to fixing the attached state of the lower shoe piece with the second upper molding surface 220 and the second sole molding surface 210 without the need of pressing the lower shoe piece by the worker at any time, and is beneficial to improving the tightness between the lower shoe piece and the second upper molding surface 220 and the second sole molding surface 210 by the engagement of the second press frame 400 with the second annular groove 260, and is beneficial to avoiding the occurrence of vacuum leakage between the lower shoe piece and the second upper molding surface 220 and the second sole molding surface 210.

Specifically, after the worker places the upper surrounding piece 520 corresponding to the second upper molding surface 220, the upper edge of the upper surrounding piece 520 may be turned over outwards, so that the upper surrounding piece 520 is partially covered in the second annular groove 260, then the second pressing frame 400 is embedded with the second annular groove 260, so as to preliminarily fix the relative position relationship of the upper surrounding piece 520 in the lower die holder 200, then the second suction hole is vacuumized, so that the upper surrounding piece 520 is attached to the second upper molding surface 220, and after the relative relationship between the upper surrounding piece 520 and the second upper molding surface 220 is adjusted, the sole surrounding piece 510 may be placed corresponding to the second sole molding surface 210, and so that the rear edge of the sole surrounding piece 510 overlaps and attaches to the lower edge of the upper surrounding piece 520, thereby realizing that the upper surrounding piece 520 and the sole surrounding piece 510 together form the lower shoe piece.

It can be appreciated that, when the first foam material is foamed and formed in the mold cavity and then separated from the lower mold base 200 in the first upper mold base 100, the worker can blow out the air from the first air suction hole and the second air suction hole through the pump body arranged outside, that is, the air is blown out from the first air suction hole and the second air suction hole, so as to assist in separating the upper shoe piece from the first upper molding surface 120 and the first sole molding surface 110 and separating the lower shoe piece from the second upper molding surface 220 and the second sole molding surface 210, which is beneficial to avoiding the occurrence of the problem that the assembly 500 is damaged due to the demolding of the assembly 500 by pulling the assembly 500, and improving the demolding efficiency of the assembly 500. The integral forming process is capable of enabling the upper shoe piece to be adsorbed on the first upper forming surface 120 and the first sole forming surface 110 and the lower shoe piece to be adsorbed on the second upper forming surface 220 and the second sole forming surface 210 in a vacuumizing mode, so that the surface forming precision of the combined body 500 is improved, and the formed combined body 500 is separated from the first upper die holder 100 and the lower die holder 200 in an air blowing mode, and the integrity of the combined body 500 is maintained.

It will be appreciated that the first upper molding surface 120 has a forwardly concave recess 121 such that the molded upper has a convex bump protruding forwardly, and the second upper molding surface 220 has a convex protruding forwardly, the convex fitting into the recess 121. After the first upper die holder 100 and the lower die holder 200 are clamped, the convex portion and the concave portion 121 together enclose a cavity protruding forward, and after the first foaming material is formed by expansion in the cavity, the cavity is filled with the first foaming material to form a protruding block protruding forward.

The protruding block is arranged corresponding to the ankle pipe of the concave ankle of the human body, so that the protection and the wrapping of the heel of the human body are realized, the impact generated by the movement of the human body is absorbed, and the wearing comfort of a user is improved.

Referring to fig. 17, it can be appreciated that the forming die further includes a second upper die base including a third upper forming surface and a third sole forming surface that are connected;

step S700, providing a second foaming material, and adding the second foaming material above the lower shoe sheet;

step S800, the second upper die holder and the lower die holder 200 are matched, the third upper molding surface is opposite to the second upper molding surface 220, and the third sole molding surface is opposite to the second sole molding surface 210 so as to jointly enclose a die cavity, and the second foaming material is foamed in the die cavity;

Step S900, after maintaining the pressure for a second preset time, the second upper die holder is separated from the lower die holder 200.

In order to change the supporting and wrapping performance of the upper or the sole on the human body, the forming die further comprises a second upper die holder, the second upper die holder is provided with a third upper forming surface and a third sole forming surface which are connected, and the integral forming process can adopt a multi-foaming mode to prepare the combination body 500 of the upper and the sole, so that the combination body 500 forms an interlayer with different hardness. Specifically, after the worker attaches the lower shoe piece to the lower die holder 200, the worker can add the second foaming material to the upper side of the lower shoe piece, and enable the second upper die holder to be matched with the lower die holder 200, the second upper die holder and the lower die holder 200 enclose a die cavity together, the second foaming material is formed in the die cavity in a foaming mode, under the expansion effect of the second foaming material, a lower adhesive layer is formed above the lower shoe piece, then the upper adhesive layer with different hardness is formed above the lower adhesive layer in a mode of matching with the first foaming material in a matched mode of matching with the die assembly of the first upper die holder 100, and the upper adhesive layer and the lower adhesive layer are sequentially clamped between the upper shoe piece and the lower shoe piece, so that the hardness of the combination 500 is changed.

The hardness of lower glue film is greater than the hardness of rubberizing layer, and human foot directly acts on rubberizing layer department, through the hardness design of rubberizing layer, is favorable to absorbing the impact that the user motion produced to improve user's wearing travelling comfort, the lower glue film sets up around the outside of rubberizing layer, through the hardness design of lower glue film, is favorable to improving the connection stability of upper of a shoe and sole, in order to realize supporting and protecting human foot.

It should be noted that the first preset time and the second preset time may be adjusted according to factors such as the actual type of the first foaming material, the addition amount of the first foaming material, the materials of the upper shoe piece and the lower shoe piece, for example, 30S, 40S, 50S, 60S, etc., which are only examples herein, and the values of the first preset time and the second preset time are not limited in practice.

As can be understood by referring to fig. 4 and 5, the second upper molding surface 220 corresponds to the outer surface of the upper, that is, the outer surface of the upper is used as the appearance surface of the shoe at the upper, the second upper molding surface 220 is provided with the concave-convex texture portion 221, and the expansion effect of the first foaming material is matched with the lamination of the lower shoe piece and the second upper molding surface 220, so that the lower shoe piece forms the surface shape matched with the texture portion 221, and the accuracy of the lower shoe piece molding is improved, compared with the hot press molding process, the limitation of the heating temperature on the fabric is reduced, and the problem that the fabric is damaged due to high temperature is avoided.

The specific texture of the texture portion 221 may be made according to the design of the actual shoe, and the specific texture of the texture portion 221 is not limited herein.

As another embodiment, the lower die holder 200 further includes a housing and a die core, the housing is provided with a concave accommodating groove, the die core is detachably connected with the housing, the die core can be embedded with the accommodating groove, and when the die core is embedded and connected with the accommodating groove, the upper surface of the die core and the upper surface of the housing jointly form the second upper molding surface 220 and the second sole molding surface 210. The texture part 221 is arranged on the upper surface of the mold core, namely, a worker can replace the mold core by changing the mold core, so that different texture parts 221 are connected with the shell, and the molding requirements of different products are met. The mold core can be prepared through a 3D (three-dimensional) molding process, compared with the traditional mold which is formed by integrally processing a whole piece of steel, the mold core is beneficial to saving the manufacturing cost and the manufacturing time, is beneficial to improving the manufacturing efficiency, meets the molding requirements of various shapes and structures, and avoids the occurrence of the problem of dead angles of a cutter in the presence of traditional processing.

It will be appreciated that in step S500, the first foaming material may be a polyurethane mixture, and during the foaming process of the foaming material, the foaming material may automatically generate heat and expand, so that the first foaming material is integrally connected with the upper shoe piece and the lower shoe piece, the upper shoe piece is formed into a shape adapted to the first upper molding surface 120 and the first sole molding surface 110, and the lower shoe piece is formed into a shape adapted to the second upper molding surface 220 and the second sole molding surface 210, thereby improving the surface accuracy of the upper and the sole molding.

For the molded upper and sole combination 500, the upper blade is a material that contacts the sole and heel of the human body, and may be a skin-friendly material such as various cloths, etc. The lower surface of the lower shoe piece is used for being connected with the midsole, and the rear surface of the lower shoe piece is the rear surface and the appearance surface of the shoe heel.

It will be appreciated that in step S500, the lower die holder 200 is provided with a lower abutment surface 250 disposed about the second upper molding surface 220 and the second sole molding surface 210, and the first upper die holder 100 is provided with an upper abutment surface 150 disposed about the first upper molding surface 120 and the first sole molding surface 110, the upper abutment surface 150 being capable of abutting the lower abutment surface 250 to close the die cavity.

Specifically, the lower veneering is gradually arranged upwards from inside to outside, the upper veneering is gradually arranged upwards from inside to outside, after the first upper die holder 100 and the lower die holder 200 are assembled, the upper veneering 150 is tightly attached to the lower veneering 250 so as to seal the outer edge of the die cavity, under the expansion action of the first foaming material, the first foaming material forms a shape matched with the die cavity, the problem that the first foaming material overflows the die cavity is avoided, the formed upper and sole assembly 500 has preset hardness, and the alignment of the first upper die holder 100 and the lower die holder 200 is facilitated through the arrangement of the inclination angles of the upper veneering and the lower veneering, so that the butt joint of the first upper die holder 100 and the lower die holder 200 is realized.

It can be appreciated that, in order to achieve stable butt joint of the first upper die holder 100 and the lower die holder 200, the lower die holder 200 is further provided with a lower limit portion 270, and the first upper die holder 100 is further provided with an upper limit portion 170, when the first upper die holder 100 approaches to the lower die holder 200, the butt joint of the upper limit portion 170 and the lower limit portion 270 is beneficial to limiting the movement of the first upper die holder 100 in the transverse direction relative to the lower die holder 200, and beneficial to enabling the first upper die holder 100 and the lower die holder 200 to butt joint according to a preset position so as to ensure that the shape of the die cavity is a preset shape.

Specifically, the lower limiting portion 270 includes four connection posts, the four connection posts are disposed around the second annular groove 260, the upper ends of the four connection posts are provided with downward concave slots, the upper limiting portion 170 includes four plugging posts, the four plugging posts are disposed around the first annular groove 160, the plugging posts are disposed in one-to-one correspondence with the connection posts, and the lower ends of the plugging posts can be plugged into the slots.

After the four plugging upright posts are connected with the four connecting upright posts and the upper bonding surface 150 is tightly attached to the lower bonding surface 250, the first upper die holder 100 and the lower die holder 200 can be abutted.

It will be appreciated that the one-piece forming process further comprises the steps of:

step S1000, providing a trimming tool and an edge covering sheet for standby;

step S1100, a trimming tool is adopted to trim the remaining edges of the combination body 500;

step S1200, the hemming sheet is wrapped on the upper edge of the assembly 500, and the hemming sheet is connected with the upper as a whole.

Considering that the formed assembly 500 needs to be connected with the shoe counter or the shoe outsole and the upper edge of the assembly 500 is used for scraping the heel, the integral forming process needs to trim the obtained surplus edge of the assembly 500, so that the assembly 500 is formed into a preset shape, the connection of the assembly 500 and the shoe counter or the shoe outsole is conveniently realized, the edge wrapping sheet covers the upper edge of the assembly 500, namely, the edge wrapping sheet covers the upper edge of the upper corresponding to the assembly 500, the connection stability of the upper shoe sheet and the lower shoe sheet is improved, and the problem that the human heel is scraped by burrs generated on the upper edge of the upper shoe sheet or the lower shoe sheet is avoided.

The shoe fitting according to the embodiment of the invention is manufactured by the integral molding process as shown in the embodiment.

The first upper die holder 100 is provided with a first upper molding surface 120 and a first sole molding surface 110, the first upper molding surface 120 and the first sole molding surface 110 are arranged at an included angle, the joint of the first upper molding surface 120 and the first sole molding surface 110 is arranged corresponding to the heel of a human body, the lower die holder 200 is adapted to be provided with a second upper molding surface 220 and a second sole molding surface 210, the second upper molding surface 220 and the second sole molding surface 210 are arranged at an included angle, the joint of the second upper molding surface 220 and the second sole molding surface 210 jointly encloses a groove 230 adapted to the heel of the human body, during production, a worker can attach an upper shoe piece to the first upper molding surface 120 and the first sole molding surface 110, attach a lower shoe piece to the second upper molding surface 220 and the second sole molding surface 210, then add a first foaming material to the lower die holder 200, after the first upper die holder 100 is in butt joint with the lower die holder 200 and die assembly, the first upper molding surface 120 and the second upper molding surface 220 are oppositely arranged for forming an upper, the first sole molding surface 110 and the second sole molding surface 210 are oppositely arranged for forming a sole, the first upper mold base 100 and the lower mold base 200 jointly enclose a mold cavity, a first foaming material is foamed and formed in the mold cavity, under the expansion action of the first foaming material, the shape and the structure of the upper shoe sheet forming and the shape and the structure of the first upper molding surface 120 and the first sole molding surface 110 are favorably matched, the shape and the structure of the lower shoe sheet forming and the shape and the structure of the second upper molding surface 220 and the second sole molding surface 210 are favorably matched, the first foaming material fills the whole mold cavity, a foaming layer formed by the first foaming material is clamped between the upper shoe sheet and the lower shoe sheet, the formed upper shoe sheet and the sole are integrally connected to obtain a shoe accessory, the connection stability of the upper shoe sheet and the sole is favorably improved, compared with the mode of independently manufacturing and reconnecting the upper and the sole, the shoe-making machine is beneficial to simplifying the shoe-making process and improving the production efficiency.

The shoe according to one embodiment of the present invention includes the footwear accessory shown in the above embodiment.

The first upper die holder 100 is provided with a first upper molding surface 120 and a first sole molding surface 110, the first upper molding surface 120 and the first sole molding surface 110 are arranged at an included angle, the joint of the first upper molding surface 120 and the first sole molding surface 110 is arranged corresponding to the heel of a human body, the lower die holder 200 is adapted to be provided with a second upper molding surface 220 and a second sole molding surface 210, the second upper molding surface 220 and the second sole molding surface 210 are arranged at an included angle, the joint of the second upper molding surface 220 and the second sole molding surface 210 jointly encloses a groove 230 adapted to the heel of the human body, during production, a worker can attach an upper shoe piece to the first upper molding surface 120 and the first sole molding surface 110, attach a lower shoe piece to the second upper molding surface 220 and the second sole molding surface 210, then add a first foaming material to the lower die holder 200, after the first upper die holder 100 is in butt joint with the lower die holder 200 and die assembly, the first upper molding surface 120 and the second upper molding surface 220 are oppositely arranged for forming an upper, the first sole molding surface 110 and the second sole molding surface 210 are oppositely arranged for forming a sole, the first upper mold base 100 and the lower mold base 200 jointly enclose a mold cavity, a first foaming material is foamed and formed in the mold cavity, under the expansion action of the first foaming material, the shape and the structure of the upper shoe sheet forming and the shape and the structure of the first upper molding surface 120 and the first sole molding surface 110 are favorably matched, the shape and the structure of the lower shoe sheet forming and the shape and the structure of the second upper molding surface 220 and the second sole molding surface 210 are favorably matched, the first foaming material fills the whole mold cavity, a foaming layer formed by the first foaming material is clamped between the upper shoe sheet and the lower shoe sheet, the formed upper shoe sheet and the sole are integrally connected, namely, the connection stability of the upper shoe sheet and the sole is favorably improved, compared with the mode of independently manufacturing and reconnecting the upper and the sole, the shoe-making machine is beneficial to simplifying the shoe-making process and improving the production efficiency.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.

Claims

1. The integrated forming process is characterized by comprising the following steps of:

providing a forming die, a first foaming material, an upper shoe piece and a lower shoe piece, wherein the forming die comprises a first upper die holder (100) and a lower die holder (200), the first upper die holder (100) is provided with a first upper forming surface (120) and a first sole forming surface (110) which are connected, and the lower die holder (200) is provided with a second upper forming surface (220) and a second sole forming surface (210) which are connected;

attaching the upper sheet to the first upper molding surface (120) and the first sole molding surface (110);

attaching the lower shoe piece to the second upper molding surface (220) and the second sole molding surface (210);

adding the first foam material above the lower shoe sheet;

the first upper die holder (100) and the lower die holder (200) are clamped, the first upper molding surface (120) is opposite to the second upper molding surface (220), the first sole molding surface (110) is opposite to the second sole molding surface (210) so as to jointly enclose a die cavity, and the first foaming material foams in the die cavity;

After the first preset time is maintained, the first upper die holder (100) is separated from the lower die holder (200) to obtain a combination body (500) of the upper and the sole.

2. The one-piece molding process according to claim 1, wherein: the first upper molding surface (120) and the first sole molding surface (110) are provided with a plurality of first air suction holes;

the attaching the upper sheet to the first upper molding surface (120) and the first sole molding surface (110) includes:

the shoe upper piece is abutted to the first upper molding surface (120) and the first sole molding surface (110), the first air suction hole is vacuumized, and the shoe upper piece is adsorbed on the first upper molding surface (120) and the first sole molding surface (110).

3. The integrated molding process according to claim 2, wherein: the abutting of the upper sheet against the first upper molding surface (120) and the first sole molding surface (110) includes:

connecting the upper shoe piece to the clamping frame and covering the opening;

the clamping frame is close to the first upper die holder (100), the first upper molding surface (120) and the first sole molding surface (110) penetrate through the opening to be abutted with the upper shoe piece, and the upper shoe piece is kept tensioned.

4. The integrated molding process according to claim 2, wherein: the forming die further comprises a first pressing frame (300), the first upper die holder (100) is provided with a first annular groove (160) surrounding the first upper forming surface (120) and the first sole forming surface (110), and the first pressing frame (300) is matched with the first annular groove (160);

the abutting of the upper sheet against the first upper molding surface (120) and the first sole molding surface (110) includes:

the upper shoe piece is covered on the first annular groove (160), and the first press frame (300) is embedded with the first annular groove (160).

5. The integrated molding process according to claim 2, wherein: the abutting of the upper sheet against the first upper molding surface (120) and the first sole molding surface (110) includes:

providing a conformable member having a conformable surface adapted to the first upper forming surface (120);

and covering the upper shoe piece on the first upper molding surface (120), wherein the bonding surface of the bonding piece is embedded with the first upper molding surface (120).

6. The one-piece molding process according to claim 1, wherein: the second upper molding surface (220) and the second sole molding surface (210) are provided with a plurality of second air suction holes;

The attaching the lower shoe piece to the second upper molding surface (220) and the second sole molding surface (210) includes:

the lower shoe piece is abutted against the second upper molding surface (220) and the second sole molding surface (210), the second air suction hole is vacuumized, and the lower shoe piece is adsorbed on the second upper molding surface (220) and the second sole molding surface (210).

7. The one-piece molding process according to claim 6, wherein: the lower shoe piece comprises a sole surrounding piece (510) and an upper surrounding piece (520);

the abutting of the lower shoe piece against the second upper molding surface (220) and the second sole molding surface (210) comprises:

placing the upper surrounding piece (520) corresponding to the second upper forming surface (220), placing the sole surrounding piece (510) corresponding to the second sole forming surface (210), and connecting the rear edge of the sole surrounding piece (510) with the lower edge of the upper surrounding piece (520).

8. The one-piece molding process according to claim 7, wherein: the upper shell (520) has a concave three-dimensional shape; and/or the number of the groups of groups,

the upper surrounding piece (520) is manufactured through a sewing technology.

9. The one-piece molding process according to claim 6, wherein: the forming die further comprises a second pressing frame (400), the lower die holder (200) is provided with a second annular groove (260) surrounding the second upper forming surface (220) and the second sole forming surface (210), and the second pressing frame (400) is matched with the second annular groove (260);

the lower shoe sheet is covered on the second annular groove (260), and the second pressing frame (400) is embedded with the second annular groove (260).

10. The one-piece molding process according to claim 1, wherein: the forming die further comprises a second upper die holder, wherein the second upper die holder comprises a third upper forming surface and a third sole forming surface which are connected;

the one-piece molding process further includes, prior to adding the first foam material over the lower shoe sheet:

providing a second foam material and adding the second foam material above the lower shoe sheet;

the second upper die holder and the lower die holder (200) are matched, the third upper molding surface is opposite to the second upper molding surface (220), the third sole molding surface is opposite to the second sole molding surface (210) so as to jointly enclose a molding cavity, and the second foaming material foams in the molding cavity;

after maintaining the pressure for a second preset time, the second upper die holder is separated from the lower die holder (200).

11. Footwear accessories, its characterized in that: use of a one-piece molding process according to any one of claims 1 to 10.

12. Shoe, its characterized in that: comprising the footwear accessory of claim 11.