CN111802748A - Rubber foamed formal shoe sole, production process thereof and formal shoe - Google Patents
Rubber foamed formal shoe sole, production process thereof and formal shoe Download PDFInfo
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- CN111802748A CN111802748A CN202010747859.4A CN202010747859A CN111802748A CN 111802748 A CN111802748 A CN 111802748A CN 202010747859 A CN202010747859 A CN 202010747859A CN 111802748 A CN111802748 A CN 111802748A
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- Prior art keywords
- foaming
- material layer
- mold
- rubber
- foamed
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/12—Soles with several layers of different materials
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- 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
- A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
- A43B13/223—Profiled soles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C44/0461—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention relates to a rubber foamed formal shoe sole, a production process thereof and formal shoes, wherein the formal shoe sole comprises a first material layer and a second material layer which are sequentially arranged from top to bottom; the first material layer is prepared by a two-time foaming process, wherein the first foaming process is to put a foaming material into a first mould, heat the first mould, and expand the foaming material in the first mould under the action of heating and foaming of the foaming material to form a first foamed molded body; then placing the foaming material and the molded sample foamed for the first time into a second mold for foaming for the second time, and forming the molded sample of the first material layer through foaming for the second time; the second material layer is formed by putting a material which exceeds the solvent of the third mould into the third mould, carrying out high-temperature vulcanization and hot pressing, and then forming the material put into the third mould; the first material layer and the second material layer are combined together in an adhesive mode to form the rubber foaming sole.
Description
Technical Field
The invention relates to the technical field of shoemaking, in particular to a rubber foamed formal shoe sole, a production process thereof and formal shoes.
Background
Among the prior art, the sole of playshoes and formal dress shoes generally all is the rubber sole, and this kind of rubber sole is generally heavier, makes more aggravate behind the shoes, seriously influences the comfort level of dress.
Many people in life begin to wear sports shoes, and the soles of the sports shoes are generally foamed soles, and various foamed substrates such as polyurethane foam and EVA foam are adopted. If the foamed substrate in the prior art is separately made into a shoe, the sole will make squeak sound when contacting the ground, and the sole is particularly harsh, which also has a negative impact on the comfort of the wearer.
Disclosure of Invention
The invention aims to provide a rubber foamed formal shoe sole, a production process thereof and a formal shoe, and aims to solve the technical problems of how to make the sole of the formal shoe light, comfortable and soft, and simultaneously wear and skid resistance, and ensure the long-term property and stability of wearing.
The invention aims to solve the defects of the prior art and provides a rubber foamed formal shoe sole which comprises a first material layer and a second material layer which are sequentially arranged from top to bottom, wherein the first material layer is made of a foaming material, and the second material layer is made of an anti-skid wear-resistant material; the first material layer is prepared by a two-time foaming process, wherein the first foaming process comprises the steps of putting a foaming material into a first mold, heating the first mold (the temperature is between 160 and 180 ℃), and expanding the foaming material in the first mold under the action of heating and foaming of the foaming material to form a first foamed molded body; then placing the foaming material and the molded sample of the first foaming into a second mold for second foaming (at the temperature of between 170 ℃ and 190 ℃), and forming the molded sample of the first material layer through the second foaming; the second material layer is formed by placing a material which exceeds the solvent of the third mold in the third mold, performing high-temperature vulcanization hot pressing (the vulcanization hot pressing is between about 140 ℃ and 150 ℃), then molding the material placed in the third mold, and obtaining a bottom plate of the second material layer after the third mold is opened; the first material layer and the second material layer are combined together in a gluing mode to form the rubber foaming sole.
The first material layer is foamed by EVA (ethylene vinyl acetate), foamed by PU (polyurethane) or foamed by a rubber material.
The second material layer is made of rubber materials, and can also be made of other anti-skid and wear-resistant materials such as TPR.
The shape of the first mould is the same as that of the molded shape of the first foaming; the second mould has a pattern and a bottom shape, and the shape of the second mould is the same as the shape of the first material layer.
The invention also provides a production process of the rubber foamed formal shoe sole, which comprises the following steps:
first foaming and first foaming: placing the foaming material into a first mould, heating the first mould (the temperature is between 160 and 180 ℃), and expanding the foaming material in the first mould through the heating and the foaming action of the foaming material per se to form a first-time foamed molded body;
second foaming and second foaming: placing the foaming material and the molded sample of the first foaming into a second mold for second foaming (at the temperature of between 170 ℃ and 190 ℃), and forming the molded sample of the first material layer through the second foaming;
thirdly, high-temperature vulcanization and hot pressing: placing a material exceeding the solvent of the third mold in the third mold, performing high-temperature vulcanization hot pressing (vulcanization hot pressing at the temperature of between about 140 ℃ and 150 ℃), then molding the material placed in the third mold, and obtaining a bottom sheet of the second material layer after the third mold is opened;
fourth, gluing: and combining the first material layer and the second material layer together in a gluing mode to form the rubber foaming sole.
The rubber foamed forward-mounted sole comprises a first material layer and a second material layer which are sequentially arranged from top to bottom, wherein the first material layer is made of a foaming material, and the second material layer is made of an anti-skid wear-resistant material; the second material layer is a rubber bottom type manufactured by a rubber mould; the first material layer is a material layer which is formed above the rubber bottom and is integrally formed with the rubber bottom by putting the formed rubber bottom and the foamed material into a foaming mold, heating the foaming mold (the temperature is between 160 DEG and 180 DEG), and heating and foaming the material.
The foaming mold is sized to include a molded body portion of the rubber mold, and an inner space of the foaming mold is capable of receiving the integrated body of the first material layer and the second material layer.
The production process of the rubber foamed formal sole according to the second embodiment of the invention comprises the following steps:
firstly, manufacturing a rubber bottom form through a rubber mold, and taking the manufactured rubber bottom form as a second material layer;
secondly, the formed rubber bottom mold and the foamed material are placed into a foaming mold, the foaming mold is heated (the temperature is between 160 DEG and 180 DEG), and a material layer which is integrally formed with the rubber bottom mold is formed above the rubber bottom mold through the heating and foaming process of the foamed material to be used as the first material layer.
The present invention also provides a formal shoe including the rubber foamed formal sole according to the first or second embodiment.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that: the rubber-foamed formal shoe sole and the formal shoe comprising the same have the advantages of beautiful overall appearance, higher taste and grade, rich layers and more fashionable body; the shoe is very light and convenient, and is very comfortable and soft to wear due to the use of the foaming material, the wearer can wear the shoe for a long time without tiredness, particularly administrative office workers wear formal leather shoes for a long time, and the sole material in the prior art is not genuine leather or common rubber material, so the shoe is very hard. The existing foaming material is comfortable and soft; in addition, the rubber foamed formal shoe sole is divided into two layers, the upper surface of the formal shoe sole is soft, and the lower surface of the formal shoe sole is made of rubber materials, so that the formal shoe sole is very wear-resistant and skid-resistant, and can ensure the long-term property and the stability of wearing.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic view of the structure of a rubber-foamed formal shoe sole according to the present invention.
Detailed Description
The present invention is described in more detail below to facilitate an understanding of the present invention.
The first embodiment:
as shown in fig. 1, the rubber foamed forward-installed sole comprises a first material layer 1 and a second material layer 2 which are sequentially arranged from top to bottom, wherein the first material layer is made of a foamed material, and the second material layer is made of an anti-skid wear-resistant material; the first material layer is prepared by a two-time foaming process, wherein the first foaming process comprises the steps of putting a foaming material into a first mold, heating the first mold (the temperature is between 160 and 180 ℃), and expanding the foaming material in the first mold under the action of heating and foaming of the foaming material to form a first foamed molded body; then placing the foaming material and the molded sample of the first foaming into a second mold for second foaming (at the temperature of between 170 ℃ and 190 ℃), and forming the molded sample of the first material layer through the second foaming; the second material layer is formed by placing a material which exceeds the solvent of the third mold in the third mold, performing high-temperature vulcanization hot pressing (the vulcanization hot pressing is between about 140 ℃ and 150 ℃), then molding the material placed in the third mold, and obtaining a bottom plate of the second material layer after the third mold is opened; the first material layer and the second material layer are combined together in a gluing mode to form the rubber foaming sole.
The first material layer is foamed by EVA (ethylene vinyl acetate), foamed by PU (polyurethane) or foamed by a rubber material.
The second material layer is made of rubber materials, and can also be made of other anti-skid and wear-resistant materials such as TPR.
The shape of the first mould is the same as that of the molded shape of the first foaming; the second mould has a pattern and a bottom shape, and the shape of the second mould is the same as the shape of the first material layer.
The production process of the rubber foamed formal shoe sole provided by the first embodiment of the invention comprises the following steps:
first foaming and first foaming: placing the foaming material into a first mould, heating the first mould (the temperature is between 160 and 180 ℃), and expanding the foaming material in the first mould through the heating and the foaming action of the foaming material per se to form a first-time foamed molded body;
second foaming and second foaming: placing the foaming material and the molded sample of the first foaming into a second mold for second foaming (at the temperature of between 170 ℃ and 190 ℃), and forming the molded sample of the first material layer through the second foaming;
thirdly, high-temperature vulcanization and hot pressing: placing a material exceeding the solvent of the third mold in the third mold, performing high-temperature vulcanization hot pressing (vulcanization hot pressing at the temperature of between about 140 ℃ and 150 ℃), then molding the material placed in the third mold, and obtaining a bottom sheet of the second material layer after the third mold is opened;
fourth, gluing: and combining the first material layer and the second material layer together in a gluing mode to form the rubber foaming sole.
Second embodiment:
the rubber foamed forward-mounted sole provided by the second embodiment of the invention comprises a first material layer 1 and a second material layer 2 which are sequentially arranged from top to bottom, wherein the first material layer is made of a foamed material, and the second material layer is made of an anti-skid wear-resistant material; the second material layer is a rubber bottom type manufactured by a rubber mould; the first material layer is a material layer which is formed above the rubber bottom and is integrally formed with the rubber bottom by putting the formed rubber bottom and the foamed material into a foaming mold, heating the foaming mold (the temperature is between 160 DEG and 180 DEG), and heating and foaming the material.
The foaming mold is sized to include a molded body portion of the rubber mold, and an inner space of the foaming mold is capable of receiving the integrated body of the first material layer and the second material layer.
The production process of the rubber foamed formal sole according to the second embodiment of the invention comprises the following steps:
firstly, manufacturing a rubber bottom form through a rubber mold, and taking the manufactured rubber bottom form as a second material layer;
secondly, the formed rubber bottom mold and the foamed material are placed into a foaming mold, the foaming mold is heated (the temperature is between 160 DEG and 180 DEG), and a material layer which is integrally formed with the rubber bottom mold is formed above the rubber bottom mold through the heating and foaming process of the foamed material to be used as the first material layer.
In the second embodiment of the invention, the raw material and production process of the first material layer are different from those of the second material layer, the first material layer adopts a foaming process, after the molded rubber bottom is placed in a foaming mold, the foaming material (which can be EVA, PU and the like) is injected into the whole foaming mold, and after the foaming process and high-temperature operation, the foaming material is perfectly combined with the rubber bottom, so that glue is not needed to be used for pasting as in the production process of the first embodiment. Because the process of the second embodiment is one-step molding, the two materials are adhered by the process standard of high temperature, etc., which is safer and more beautiful than the production process of the first embodiment, but the corresponding cost is increased.
The present invention also provides a formal shoe including the rubber foamed formal sole according to the first or second embodiment.
The foregoing describes preferred embodiments of the present invention, but is not intended to limit the invention thereto. Modifications and variations of the embodiments disclosed herein may be made by those skilled in the art without departing from the scope and spirit of the invention.
Claims (9)
1. The rubber foamed formal shoe sole is characterized by comprising a first material layer and a second material layer which are sequentially arranged from top to bottom, wherein the first material layer is made of a foaming material, and the second material layer is made of an anti-skid wear-resistant material; the first material layer is prepared by a two-time foaming process, wherein the first foaming process comprises the steps of putting a foaming material into a first mold, heating the first mold at the temperature of 160-180 ℃, and expanding the foaming material in the first mold under the action of heating and foaming of the foaming material to form a first foamed molded body; then placing the foaming material and the molded sample foamed for the first time into a second mold for secondary foaming at the temperature of between 170 ℃ and 190 ℃, and forming the molded sample of the first material layer through the secondary foaming; the second material layer is formed by placing a material which exceeds the solvent of the third mold in the third mold, carrying out vulcanization hot pressing at the high temperature of 140-150 ℃, then forming the material placed in the third mold, and obtaining a bottom sheet of the second material layer after the third mold is opened; the first material layer and the second material layer are combined together in a gluing mode to form the rubber foaming sole.
2. The rubber-foamed formal shoe sole according to claim 1, wherein the first material layer is foamed with EVA, PU or rubber.
3. The rubber-foamed formal shoe sole of claim 1 wherein said second layer of material is a rubber material or a TPR material.
4. The rubber foamed formal sole according to claim 1, wherein the first mold has the same shape as the first foamed molded body; the second mould has a pattern and a bottom shape, and the shape of the second mould is the same as the shape of the first material layer.
5. A production process of a rubber foamed formal sole is characterized by comprising the following steps:
first foaming and first foaming: placing the foaming material into a first mould, heating the first mould at the temperature of 160-180 ℃, and expanding the foaming material in the first mould through the heating and the foaming action of the foaming material to form a first-time foamed molded body;
second foaming and second foaming: placing the foaming material and the molded sample of the first foaming into a second mould for second foaming at the temperature of between 170 ℃ and 190 ℃ to form the molded sample of the first material layer through the second foaming;
thirdly, high-temperature vulcanization and hot pressing: placing a material which exceeds the solvent of the third mold in the third mold, carrying out vulcanization hot pressing at the high temperature of 140-150 ℃, then forming the material placed in the third mold, and obtaining a bottom sheet of the second material layer after the third mold is opened;
fourth, gluing: and combining the first material layer and the second material layer together in a gluing mode to form the rubber foaming sole.
6. The rubber-foamed formal shoe sole is characterized by comprising a first material layer and a second material layer which are sequentially arranged from top to bottom, wherein the first material layer is made of a foaming material, and the second material layer is made of an anti-skid wear-resistant material; the second material layer is a rubber bottom type manufactured by a rubber mould; the first material layer is a material layer which is formed above the rubber bottom and is integrally formed with the rubber bottom by putting the formed rubber bottom and the foamed material into a foaming mold, heating the foaming mold at the temperature of 160-180 ℃, and performing the foaming process of heating and foaming the material.
7. The rubber foamed formal sole of claim 6 wherein said foam mold is sized to contain a molded body portion of the rubber mold, the interior space of the foam mold being capable of receiving the integrated body of said first and second material layers.
8. A production process of a rubber foamed formal sole is characterized by comprising the following steps:
firstly, manufacturing a rubber bottom form through a rubber mold, and taking the manufactured rubber bottom form as a second material layer;
secondly, the molded rubber bottom mold and the foamed material are placed into a foaming mold, the foaming mold is heated to the temperature of 160-180 ℃, and a material layer integrally molded with the rubber bottom mold is formed above the rubber bottom mold through the heating and foaming process of the foamed material to serve as the first material layer.
9. A formal dress shoe characterized in that it comprises a rubber foamed formal dress sole according to any one of claims 1 to 4 or claims 6 to 7.
Priority Applications (1)
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CN202010747859.4A CN111802748B (en) | 2020-07-30 | 2020-07-30 | Formal dress shoes |
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CN202010747859.4A CN111802748B (en) | 2020-07-30 | 2020-07-30 | Formal dress shoes |
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CN111802748A true CN111802748A (en) | 2020-10-23 |
CN111802748B CN111802748B (en) | 2022-08-23 |
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CN202010747859.4A Active CN111802748B (en) | 2020-07-30 | 2020-07-30 | Formal dress shoes |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2134791Y (en) * | 1992-09-08 | 1993-06-02 | 顺德县迅发鞋业有限公司 | Soles with foaming resilient rubber layer |
CN2203830Y (en) * | 1994-10-20 | 1995-07-26 | 玉环县亚泰鞋业有限公司 | Composition soles |
CN1151353A (en) * | 1995-11-30 | 1997-06-11 | 毛克勤 | Forming tech. of foamed sole |
CN1585609A (en) * | 2002-02-27 | 2005-02-23 | 绿安全股份有限公司 | Shoe sole and its manufacturing method |
CN103689855A (en) * | 2013-12-27 | 2014-04-02 | 石狮蚂蚁城鞋服有限公司 | Durable leather shoe with sterilization and deodorization effects |
CN205214342U (en) * | 2015-12-10 | 2016-05-11 | 桐乡市安德旺进出口有限公司 | Comfortable helping hand leather shoes of light weight |
CN206433859U (en) * | 2017-01-22 | 2017-08-25 | 湖北小公牛鞋业有限责任公司 | A kind of dress shoes |
CN107400268A (en) * | 2017-09-30 | 2017-11-28 | 利郎(中国)有限公司 | A kind of lightweight, the assembled shoe bottom and preparation method thereof of damping |
CN107696538A (en) * | 2017-11-13 | 2018-02-16 | 清远市广硕鞋业有限公司 | The big bottom of thermoplastic polyurethane and the hot sticking method of foamed thermoplastic polyurethane midsole |
CN109691733A (en) * | 2017-10-23 | 2019-04-30 | 赣州卡迪瑞贸易有限公司 | Formal dress ventilated leather shoe |
-
2020
- 2020-07-30 CN CN202010747859.4A patent/CN111802748B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2134791Y (en) * | 1992-09-08 | 1993-06-02 | 顺德县迅发鞋业有限公司 | Soles with foaming resilient rubber layer |
CN2203830Y (en) * | 1994-10-20 | 1995-07-26 | 玉环县亚泰鞋业有限公司 | Composition soles |
CN1151353A (en) * | 1995-11-30 | 1997-06-11 | 毛克勤 | Forming tech. of foamed sole |
CN1585609A (en) * | 2002-02-27 | 2005-02-23 | 绿安全股份有限公司 | Shoe sole and its manufacturing method |
CN103689855A (en) * | 2013-12-27 | 2014-04-02 | 石狮蚂蚁城鞋服有限公司 | Durable leather shoe with sterilization and deodorization effects |
CN205214342U (en) * | 2015-12-10 | 2016-05-11 | 桐乡市安德旺进出口有限公司 | Comfortable helping hand leather shoes of light weight |
CN206433859U (en) * | 2017-01-22 | 2017-08-25 | 湖北小公牛鞋业有限责任公司 | A kind of dress shoes |
CN107400268A (en) * | 2017-09-30 | 2017-11-28 | 利郎(中国)有限公司 | A kind of lightweight, the assembled shoe bottom and preparation method thereof of damping |
CN109691733A (en) * | 2017-10-23 | 2019-04-30 | 赣州卡迪瑞贸易有限公司 | Formal dress ventilated leather shoe |
CN107696538A (en) * | 2017-11-13 | 2018-02-16 | 清远市广硕鞋业有限公司 | The big bottom of thermoplastic polyurethane and the hot sticking method of foamed thermoplastic polyurethane midsole |
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