CN115195176A - Shoe forming process and shoe - Google Patents
Shoe forming process and shoe Download PDFInfo
- Publication number
- CN115195176A CN115195176A CN202110394861.2A CN202110394861A CN115195176A CN 115195176 A CN115195176 A CN 115195176A CN 202110394861 A CN202110394861 A CN 202110394861A CN 115195176 A CN115195176 A CN 115195176A
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- Prior art keywords
- sole
- die
- inflatable
- cavity
- shoe
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 title claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005728 strengthening Methods 0.000 claims abstract description 13
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims abstract description 4
- 230000001680 brushing effect Effects 0.000 claims abstract description 3
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000003825 pressing Methods 0.000 claims abstract description 3
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 230000037228 dieting effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000009966 trimming Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 230000008439 repair process Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 102000004603 Vesicle-Associated Membrane Protein 1 Human genes 0.000 description 1
- 108010017743 Vesicle-Associated Membrane Protein 1 Proteins 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/0009—Producing footwear by injection moulding; Apparatus therefor
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/0009—Producing footwear by injection moulding; Apparatus therefor
- B29D35/0018—Moulds
- B29D35/0027—Last constructions; Mountings therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a shoe and a forming process thereof, wherein the shoe comprises a vamp part, a strengthening layer and an inflatable sole, the inflatable sole comprises a sole upper part, a sole lower part and an inflating valve, the edges of the sole upper part and the sole lower part are butted and enclosed to form a cavity, and the inflating valve is communicated with the cavity; the shoe molding process comprises the following steps: closing the upper die, the lower die and the middle die to form an upper die cavity and a lower die cavity; vacuumizing the upper die cavity and the lower die cavity; injecting the rubber added with the vulcanizing agent into the upper die cavity and the lower die cavity, and keeping for more than 20 seconds; opening the upper die and the lower die and moving out of the middle die; penetrating the treated inflating valve through the edge of the lower part of the sole; closing the upper die and the lower die, injecting nitrogen at the pressure of at least 2mpa through the inflating valve, and keeping the pressure for more than 250 seconds; discharging nitrogen; opening the upper die and the lower die, moving out the inflatable sole and cooling; adhering a reinforcing layer on the upper surface of the inflatable sole; brushing glue on the bottom wall of the shoe face part and the upper surface of the strengthening layer; pressing the upper part on the upper surface of the strengthening layer.
Description
Technical Field
The invention relates to the field of shoe products, in particular to a shoe and a forming process thereof.
Background
Shoes are as the necessity in people's daily life, in order to make the sole feel more comfortable, more accord with human motion demand, can set up the cushion shock-absorbing function of air cushion in order to strengthen the sole on the sole usually, the shock that produces when reducing the motion is to the injury of foot.
When the air cushion of the existing shoe with the air cushion function is worn out, due to the structural limitation, the repairing method is limited, and partial air cushion can not be repaired, so that the shoe can not be used continuously; the shoes with the air cushion and the inflation function are easy to bulge in the inflation process due to the fact that the surface thickness of the soles is uneven. Therefore, there is a need to develop a method for effectively repairing worn air-cushion shoes and effectively preventing the soles from bulging during the process of inflating the shoes.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned disadvantages or problems in the background art and providing a shoe molding process and a shoe produced by the molding process.
In order to achieve the purpose, the invention adopts the following technical scheme:
a forming process of a shoe comprises a shoe face portion, a reinforcing layer and an inflatable sole, wherein the inflatable sole comprises a sole upper portion, a sole lower portion and an inflating valve, edges of the sole upper portion and the sole lower portion are in butt joint and are enclosed to form a cavity, and the inflating valve is communicated with the cavity; the method comprises the following steps:
s1: the upper die, the lower die and the middle die are closed, the middle die isolates the upper die from the lower die, the middle die and the upper die are enclosed to form an upper die cavity for forming the upper part of the sole, and the middle die and the lower die are enclosed to form a lower die cavity for forming the lower part of the sole;
s2: vacuumizing the upper die cavity and the lower die cavity;
s3: injecting the rubber material added with the vulcanizing agent into the upper die cavity and the lower die cavity at the pressure of 100-120bar, wherein the injection temperature is 58-67 ℃, and the injection temperature is kept for more than 20 seconds;
s4: opening the upper die and the lower die and moving out the middle die, so that the upper part of the sole is attached to the upper die, and the lower part of the sole is attached to the lower die;
s5: placing the inflating valve coated with the adhesive and preheated by the oven for re-cooling on the upper surface of the lower die and penetrating through the edge of the lower part of the sole;
s6: closing the upper die and the lower die;
s7: heating the upper die and the lower die to 145-155 ℃, injecting nitrogen at a pressure of at least 2mpa through the inflating valve, and keeping for more than 250 seconds to fully vulcanize the upper part and the lower part of the sole;
s8: opening the inflating valve to discharge nitrogen;
s9: opening the upper die and the lower die, removing the inflatable sole and cooling;
s10: adhering a reinforcing layer on the upper surface of the inflatable sole;
s11: brushing glue on the bottom surface of the shoe face part and the upper surface of the reinforcing layer:
s12: pressing the vamp part on the upper surface of the reinforced layer.
Furthermore, the inflating valve is arranged at the heel position of the inflatable sole.
Further, in the step S9, the edge of the inflatable sole is purged with a high-pressure air gun, and the inflatable sole is taken out.
Further, between the steps S9 and S10, a step S9.1 is further included: trimming the raw edges of the inflatable sole.
Furthermore, at least one first bulge is convexly arranged on the top wall of the upper cavity wall, and a second bulge opposite to the first bulge is convexly arranged on the bottom wall of the lower cavity wall; the first protrusion forms the upper sole portion into a first recess that is recessed toward the lower sole portion; the second bulge enables the lower part of the sole to form a second sunken part sunken towards the upper part of the sole; when the upper part of the sole is butted with the lower edge of the sole, the upper part of the sole at the bottom of the first sunken part is jointed with the lower part of the sole at the top of the second sunken part or connected into a whole.
A shoe comprises a vamp part, a strengthening layer and an inflatable sole; the upper surface of the reinforced layer is adhered to the bottom surface of the vamp part, and the lower surface of the reinforced layer is adhered to the upper surface of the inflatable sole; the inflatable sole is made of rubber materials and comprises a sole upper part, a sole lower part and an inflating valve; the edges of the upper part of the sole and the lower part of the sole are butted and enclosed to form a cavity, and the inflating valve is communicated with the cavity; the valve is positioned at the heel position of the inflatable sole.
Further, the reinforcing layer is a mesh fabric.
Further, the upper part of the sole is provided with a first sunken part sunken towards the lower part of the sole; the lower part of the sole is provided with a second sunken part sunken towards the upper part of the sole; the upper part of the sole at the bottom of the first sunken part is attached to or connected with the lower part of the sole at the top of the second sunken part into a whole.
As can be seen from the above description of the present invention, the present invention has the following advantages over the prior art:
1. the upper mold and the lower mold are isolated from each other by the middle mold, and the middle mold encloses the upper mold cavity and the lower mold cavity with the upper mold and the lower mold, respectively, so that the upper part and the lower part of the sole can be separately preformed to a semi-solid state when rubber is injected into the upper mold cavity and the lower mold cavity. After the middle die is removed, the inflating valve is adhered to the edge of the lower part of the sole and penetrates through the edge of the lower part of the sole to be communicated with the cavity, so that an inflating port of the inflatable sole is formed. Then, the upper die and the lower die are assembled, so that the edges of the upper part of the sole and the lower part of the sole are butted together, nitrogen is injected into the die through the inflating valve, and a cavity is formed between the upper part of the sole and the lower part of the sole; the process of closing the upper die and the lower die is kept for more than 250 seconds, so that the upper part and the lower part of the sole are fully vulcanized. After the inflatable sole is formed and cooled, the reinforcing layer is adhered to the upper surface of the inflatable sole for increasing the strength of the inflatable sole, and finally the vamp part is attached to the upper surface of the reinforcing layer. Because the inflatable sole is similar to a tire structure, when the inflatable sole is worn out, the inflatable sole can be repaired according to various methods for repairing the tire; and because the added reinforcing layer can enhance the strength of the upper surface of the inflatable sole, the inflatable sole is not easy to bulge in the process of inflating the inflatable sole.
2. The inflating valve is arranged at the heel position of the inflatable sole, so that the inflating valve is convenient to be butted with external inflating equipment.
3. The high-pressure blower is used for blowing and blowing the edge of the inflatable sole, and the inflatable sole is taken out, so that the demolding of the inflatable sole is facilitated.
4. Trim the deckle edge of inflating the sole, avoid the deckle edge to draw the hand, wholly also more pleasing to the eye.
5. The strengthening layer can strengthen the strength of the upper surface of the inflatable sole, and when the cavity is inflated through the inflating valve, the swelling is not easy to generate; because the edges of the upper part of the sole and the lower part of the sole are butted and enclosed to form a cavity, the inflatable sole is similar to a tire structure, the cushioning and shock absorption can be effectively realized during walking, and the inflation quantity can be adjusted by a user according to the self requirement; if the pneumatic shoe sole is worn out carelessly while walking, the repair can be performed according to various repair methods of the tire.
6. The first concave part and the second concave part are arranged, so that the first concave part and the second concave part form two air columns which are mutually abutted, and the supporting performance of the inflatable sole can be enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a perspective view of the shoe of this embodiment;
FIG. 2 is a bottom view of the inflatable sole of the present embodiment;
FIG. 3 isbase:Sub>A schematic cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view of B-B of FIG. 2;
fig. 5 is a schematic cross-sectional view of C-C in fig. 2.
Description of the main reference numbers:
a vamp portion 1;
a strengthening layer 2;
an inflatable sole 3; a shoe sole upper portion 31; a first recess 311; a lower sole portion 32; the second recess 321; the valve 33; a cavity 34.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are presently preferred embodiments of the invention and are not to be taken as an exclusion of other embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
In the claims, the description and the drawings of the present invention, unless explicitly defined otherwise, the terms "first", "second" or "third", etc. are used to distinguish between different objects and are not used to describe a particular sequence.
In the claims, the specification and the drawings of the present invention, unless otherwise expressly limited, all directional or positional relationships indicated by the terms "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," "counterclockwise," and the like are based on the directional or positional relationships indicated in the drawings and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so indicated must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.
In the claims, the specification and the drawings of the present application, unless otherwise specifically limited, the terms "fixedly connected" or "fixedly connected" should be used in a broad sense, i.e., any connection mode without a displacement relationship or a relative rotation relationship between the two, i.e., including non-detachably fixed connection, integration and fixed connection through other devices or elements.
In the claims, the specification and the drawings of the present invention, the terms "including", "having" and their variants, if used, are intended to be inclusive and not limiting.
Referring to fig. 1, fig. 1 shows a structural schematic diagram of a shoe in the invention, which comprises a vamp part 1, a reinforcing layer 2 and an inflatable sole 3 from top to bottom in sequence.
Wherein, the strengthening layer 2 is a mesh fabric. The upper surface of the strengthening layer 2 is adhered to the bottom surface of the vamp part 1, and the lower surface of the strengthening layer 2 is adhered to the upper surface of the inflatable sole 3.
As shown in fig. 3 to 5, the inflatable sole 3 is made of rubber material and includes an upper sole portion 31, a lower sole portion 32 and an air valve 33. The edges of the upper sole part 31 and the lower sole part 32 are butted to enclose a cavity 34. The inflating valve 33 is obliquely arranged at the heel position of the lower part 32 of the sole upwards, penetrates through the edge of the lower part 32 of the sole and extends into the cavity 34 to be communicated with the cavity 34; the cavity 34 can be filled with air through the air valve 33, and the air valve 33 can be prevented from being unnecessarily worn due to the fact that the air valve is inclined upwards. The upper sole 31 is provided with at least one first recess 311 recessed towards the lower sole 32, and the lower sole 32 is provided with at least one second recess 321 recessed towards the upper sole 31. The upper part 31 of the sole at the bottom of the first recess 311 is attached or integrated with the lower part 32 of the sole at the top of the second recess 321.
When the shoe of the embodiment is used, because the inflatable sole 3 is similar to a tire structure, and the air is contained in the cavity 34 of the inflatable sole 3, the shoe can well buffer and absorb shock when walking; and the first concave part 311 and the second concave part 321 are arranged, and in the walking process, the first concave part 311 and the second concave part 321 form air columns which are mutually propped against each other, so that the supporting performance of the inflatable sole 3 is effectively enhanced. The inflation quantity can be adjusted according to the demand of the user in the use process of the user, the inflation equipment with two inflation joints can be selected for use when the inflation, and the inflation quantities of the left and right shoes can be ensured to be consistent. When the inflatable sole 3 is inflated, the strength of the upper surface of the inflatable sole 3 can be enhanced by providing the reinforcing layer 2 on the inflatable sole, and therefore, when the cavity 34 is inflated through the inflating valve 33, the bulge is not easily generated. If the pneumatic sole 3 is worn out by accident while walking, the repair can be performed by referring to various methods of repairing the tire.
The embodiment also provides a shoe molding process for producing the shoe. The molding process comprises the following steps:
s1: the upper die, the lower die and the middle die are assembled, the middle die isolates the upper die from the lower die, the middle die and the upper die are enclosed to form an upper die cavity used for forming the upper part 31 of the sole, and the middle die and the lower die are enclosed to form a lower die cavity used for forming the lower part 32 of the sole.
Preferably, at least one first bulge is convexly arranged on the top wall of the cavity wall of the upper die cavity, and a second bulge opposite to the first bulge is convexly arranged on the bottom wall of the cavity wall of the lower die cavity; the first protrusion forms the sole upper 31 into a first recess 311 that is recessed toward the sole lower 32; the second protrusion forms the lower sole portion 32 into a second recess 321 that is upwardly recessed toward the upper sole portion 31; when the edges of the upper sole 31 and the lower sole 32 are butted, the upper sole 31 at the bottom of the first recess 311 is jointed or connected with the lower sole 32 at the top of the second recess 321.
S2: and vacuumizing the upper die cavity and the lower die cavity.
S3: injecting the rubber material added with the vulcanizing agent into the upper die cavity and the lower die cavity at the pressure of 100-120bar, wherein the injection temperature is 58-67 ℃, and the injection temperature is kept for more than 20 seconds.
S4: the middle mold is removed by opening the upper and lower molds so that the upper sole 31 is attached to the upper mold and the lower sole 32 is attached to the lower mold.
S5: a valve 33 coated with adhesive and preheated by an oven and then cooled is placed on the upper surface of the lower mold and penetrates the edge of the lower part 32 of the sole.
Preferably, the valve 33 is disposed at the heel position of the inflatable sole 3.
S6: and closing the upper die and the lower die to enable the edges of the upper sole part 31 and the lower sole part 32 to be in butt joint.
S7: the upper and lower molds are heated to 145-155 deg.c and nitrogen gas is injected through the inflating valve 33 at a pressure of at least 2mpa for more than 250 seconds to sufficiently cure the upper and lower soles 31 and 32.
S8: the valve 33 is opened to discharge nitrogen gas.
S9: the upper and lower molds are opened, and the inflated shoe sole 3 is removed and cooled.
Preferably, the high pressure blower is used to blow the edge of the inflatable sole 3 and remove the inflatable sole 3.
S9.1: trim the flash of the inflated sole 3.
S10: the upper surface of the inflatable sole 3 is adhered with a strengthening layer 2.
S11: the bottom surface of the vamp part 1 and the upper surface of the strengthening layer 2 are brushed with glue.
S12: the upper surface of the reinforced layer 2 is pressed on the vamp 1.
When the shoe is produced by the above molding process, the upper mold and the lower mold are isolated from each other by the middle mold, and the middle mold encloses the upper mold cavity and the lower mold cavity with the upper mold and the lower mold, respectively, so that the upper sole portion 31 and the lower sole portion 32 can be separately preformed to a semi-solid state when rubber is injected into the upper mold cavity and the lower mold cavity. After the middle mould is removed, the inflating valve 33 is adhered to the edge of the lower part 32 of the sole to form an inflating opening of the inflatable sole 3. Then, the upper die and the lower die are closed, so that the edges of the upper sole part 31 and the lower sole part 32 are butted together, and nitrogen is injected into the die through the inflating valve 33, so that a cavity 34 is formed between the upper sole part 31 and the lower sole part 32; the process of closing the upper mold and the lower mold is maintained for 250 seconds or more, and the upper sole portion 31 and the lower sole portion 32 are sufficiently vulcanized. After the inflatable sole 3 is formed and cooled, the reinforcing layer 2 is adhered to the upper surface of the inflatable sole 3 for increasing the strength of the inflatable sole 3, and finally the vamp part 1 is attached to the upper surface of the reinforcing layer 2. Since the pneumatic sole 3 is similar to a tire structure, when the pneumatic sole 3 is worn out, the pneumatic sole 3 can be repaired with reference to various tire repairing methods; and because the strength of the upper surface of the inflatable sole 3 can be enhanced by the added reinforcing layer 2, the inflatable sole 3 is not easy to bulge in the inflating process. It should be understood that, in the shoe of the embodiment, after the inflatable sole 3 is formed, a part of gas may be filled into the cavity 34, after the inflatable sole 3 is attached to the reinforcing layer 2 and the vamp portion 1, the cavity 34 is filled, or after the inflatable sole 3 is attached to the reinforcing layer 2, the cavity 34 is filled with gas; can effectively avoid the generation of bulges.
The inflating valve 33 is arranged at the heel position of the inflatable sole 3, and is convenient to be butted with external inflating equipment.
The high-pressure blower is used for blowing and blowing the edge of the inflatable sole 3, and the inflatable sole 3 is taken out, so that the demoulding of the inflatable sole 3 is facilitated.
Trim the deckle edge of the inflatable sole 3, avoid the deckle edge to scratch the hand, the whole is also more pleasing to the eye.
The description of the above specification and examples is intended to be illustrative, but not limiting, of the scope of the invention. Modifications, equivalents and other improvements which may occur to those skilled in the art and which may be made to the embodiments of the invention or portions thereof through a reasonable analysis, inference or limited experimentation, in light of the common general knowledge, the common general knowledge in the art and/or the prior art, are intended to be within the scope of the invention.
Claims (8)
1. A forming process of a shoe comprises a shoe face portion, a reinforcing layer and an inflatable sole, wherein the inflatable sole comprises a sole upper portion, a sole lower portion and an inflating valve, edges of the sole upper portion and the sole lower portion are in butt joint and are enclosed to form a cavity, and the inflating valve is communicated with the cavity; the method is characterized by comprising the following steps:
s1: the upper die, the lower die and the middle die are closed, the middle die isolates the upper die from the lower die, the middle die and the upper die are enclosed to form an upper die cavity for forming the upper part of the sole, and the middle die and the lower die are enclosed to form a lower die cavity for forming the lower part of the sole;
s2: vacuumizing the upper die cavity and the lower die cavity;
s3: injecting the rubber material added with the vulcanizing agent into the upper die cavity and the lower die cavity at the pressure of 100-120bar, wherein the injection temperature is 58-67 ℃, and the injection temperature is kept for more than 20 seconds;
s4: opening the upper die and the lower die and moving out the middle die, so that the upper part of the sole is attached to the upper die, and the lower part of the sole is attached to the lower die;
s5: placing the inflating valve coated with the adhesive, preheated by the oven and then cooled on the upper surface of the lower die and penetrating through the edge of the lower part of the sole;
s6: closing the upper die and the lower die;
s7: heating the upper die and the lower die to 145-155 ℃, injecting nitrogen at a pressure of at least 2mpa through the inflating valve, and keeping for more than 250 seconds to fully vulcanize the upper part and the lower part of the sole;
s8: opening the inflating valve to discharge nitrogen;
s9: opening the upper die and the lower die, and removing the inflatable sole and cooling;
s10: adhering a reinforcing layer on the upper surface of the inflatable sole;
s11: brushing glue on the bottom surface of the shoe face part and the upper surface of the strengthening layer:
s12: pressing the vamp portion against the upper surface of the reinforcing layer.
2. The process for molding a shoe as claimed in claim 1, wherein said inflating valve is provided at a heel position of said inflatable sole.
3. The process for molding a shoe as claimed in claim 1, wherein in said step S9, said pneumatic sole is taken out by blowing the edge of said pneumatic sole with a high pressure air gun.
4. The process for forming a shoe according to claim 1, further comprising, between said steps S9 and S10, a step S9.1: trimming the raw edges of the inflatable sole.
5. The process of claim 1, wherein the upper chamber wall has at least one first protrusion protruding from the top wall thereof, and the lower chamber wall has a second protrusion protruding from the bottom wall thereof, the second protrusion being opposite to the first protrusion;
the first protrusion forms the upper sole portion into a first recess that is recessed toward the lower sole portion;
the second bulge enables the lower part of the sole to form a second sunken part sunken towards the upper part of the sole;
when the edges of the upper part of the sole and the lower part of the sole are butted, the upper part of the sole at the bottom of the first sunken part is jointed with the lower part of the sole at the top of the second sunken part or connected into a whole.
6. A shoe is characterized by comprising a vamp part, a strengthening layer and an inflatable sole;
the upper surface of the reinforcing layer is adhered to the bottom surface of the vamp part, and the lower surface of the reinforcing layer is adhered to the upper surface of the inflatable sole;
the inflatable sole is made of rubber materials and comprises a sole upper part, a sole lower part and an inflating valve;
the edges of the upper part of the sole and the lower part of the sole are butted and enclosed to form a cavity, and the inflating valve is communicated with the cavity;
the valve is positioned at the heel position of the inflatable sole.
7. The shoe of claim 6 wherein said reinforcing layer is a mesh fabric.
8. The shoe of claim 7, wherein said upper sole portion is provided with a first recess recessed toward said lower sole portion;
the lower part of the sole is provided with a second sunken part sunken towards the upper part of the sole;
the upper part of the sole at the bottom of the first sunken part is attached to or connected with the lower part of the sole at the top of the second sunken part into a whole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110394861.2A CN115195176A (en) | 2021-04-13 | 2021-04-13 | Shoe forming process and shoe |
| PCT/CN2021/101122 WO2022217740A1 (en) | 2021-04-13 | 2021-06-21 | Shoe forming process and shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110394861.2A CN115195176A (en) | 2021-04-13 | 2021-04-13 | Shoe forming process and shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115195176A true CN115195176A (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110394861.2A Pending CN115195176A (en) | 2021-04-13 | 2021-04-13 | Shoe forming process and shoe |
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| Country | Link |
|---|---|
| CN (1) | CN115195176A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4183156A (en) * | 1977-01-14 | 1980-01-15 | Robert C. Bogert | Insole construction for articles of footwear |
| CN2494614Y (en) * | 2001-04-30 | 2002-06-12 | 张瑞涛 | Air-cushion shoes |
| CN107148230A (en) * | 2014-09-16 | 2017-09-08 | 耐克创新有限合伙公司 | The footwear sole construction with bladder and its manufacture method of article of footwear |
| CN107791552A (en) * | 2016-09-02 | 2018-03-13 | 欣合信股份有限公司 | It is integrally formed the manufacture method and its footwear mould equipment at the big bottom of tool air cushion structure footwear |
| CN212465111U (en) * | 2020-06-20 | 2021-02-05 | 扬州爱非科鞋业有限公司 | Shock attenuation antiskid shoes with adjustable sole |
| CN214854659U (en) * | 2021-04-13 | 2021-11-26 | 安踏（中国）有限公司 | Shoes with elastic sole |
-
2021
- 2021-04-13 CN CN202110394861.2A patent/CN115195176A/en active Pending
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| US4183156A (en) * | 1977-01-14 | 1980-01-15 | Robert C. Bogert | Insole construction for articles of footwear |
| CN2494614Y (en) * | 2001-04-30 | 2002-06-12 | 张瑞涛 | Air-cushion shoes |
| CN107148230A (en) * | 2014-09-16 | 2017-09-08 | 耐克创新有限合伙公司 | The footwear sole construction with bladder and its manufacture method of article of footwear |
| CN107791552A (en) * | 2016-09-02 | 2018-03-13 | 欣合信股份有限公司 | It is integrally formed the manufacture method and its footwear mould equipment at the big bottom of tool air cushion structure footwear |
| CN212465111U (en) * | 2020-06-20 | 2021-02-05 | 扬州爱非科鞋业有限公司 | Shock attenuation antiskid shoes with adjustable sole |
| CN214854659U (en) * | 2021-04-13 | 2021-11-26 | 安踏（中国）有限公司 | Shoes with elastic sole |
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