CN110317369B - Manufacturing method of face-cleaning type double-density sole - Google Patents
Manufacturing method of face-cleaning type double-density sole Download PDFInfo
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- CN110317369B CN110317369B CN201910581446.0A CN201910581446A CN110317369B CN 110317369 B CN110317369 B CN 110317369B CN 201910581446 A CN201910581446 A CN 201910581446A CN 110317369 B CN110317369 B CN 110317369B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a method for manufacturing a face-cleaning type double-density sole, which comprises the following steps: (1) and (3) polishing treatment of the die: firstly, respectively carrying out integral polishing treatment on a flat vulcanizing mold and an injection mold on an injection vulcanizing machine, then integrally spraying a matte hardening agent on the flat vulcanizing mold, and then carrying out precision polishing on the positive surface of a bottom mold; (2) and (3) performing fractional polishing treatment on the mold: respectively carrying out finish machining treatment on different parts on the die with clean face brightness; (3) preparing a face cleaning rubber and a face cleaning type PU material; (4) spraying a mold protecting agent on the mold; (5) preparing an outer layer bottom rubber sheet: placing the prepared face cleaning rubber in a flat vulcanization mold for vulcanization to obtain an outer-layer bottom rubber sheet; (6) injection molding; (7) spraying a transparent agent, drying and forming: and (4) spraying a color transmission agent on the dual-density sole according to the required brightness, and then drying and shaping. The invention solves the corresponding cleaning of different convex-concave patterns of the sole, thereby realizing the multi-layer cleaning of the dual-density sole.
Description
Technical Field
The invention belongs to the technical field of shoemaking, and particularly relates to a method for manufacturing a face-cleaning type double-density sole.
Background
The clean surface of present leather shoes dual density sole adopts and carries out highlight or matte processing earlier to the mould, then takes sole spraying technology to carry out the mode that the face cleaning beautifies the processing to the sole surface and realizes, specifically is: the method comprises the following steps of mold polishing → mold fluorine spraying (high-gloss or matte treatment) → sole molding → sole treatment → sole beautifying agent spraying → shaping, and through the key procedures, the sole bright surface is cleaned.
However, with the requirement of upgrading the product, upgrading is not only the upgrading of the upper surface, but also the upgrading of the clean surface of the sole appearance is more important, especially the dual-density multi-bright surface, namely the concave surface and the convex surface of a sole pattern need to achieve different brightness. How to realize more bright and clean faces of sole patterns can not be realized by using a mode of a single bright face of a mould and a later spraying process by a traditional method.
Disclosure of Invention
The invention provides a method for manufacturing a face-cleaning type double-density sole, which aims to solve the problem that the traditional method cannot meet the requirements of multiple bright faces and face cleaning of double-density patterns of the sole.
The object of the invention is achieved in the following way:
a method for manufacturing a face-cleaning type double-density sole comprises the following steps:
(1) and (3) polishing treatment of the die: firstly, respectively carrying out integral polishing treatment on a flat vulcanizing mold and an injection mold on an injection vulcanizing machine, then integrally spraying a matte hardening agent on the flat vulcanizing mold, and then carrying out precision polishing on the bottom mold male surface of the flat vulcanizing mold;
(2) and (3) performing fractional polishing treatment on the mold: respectively carrying out finish machining treatment on different parts on the injection mold and the flat vulcanization mold according to the brightness requirements of all parts;
(3) the preparation of the cleansing rubber and the cleansing PU material: mixing and stirring the rubber raw materials to prepare the face cleaning rubber, and mixing and stirring the PU material raw materials to prepare the face cleaning type PU material;
(4) spraying a mold protecting agent: then respectively spraying a face cleaning and mold protecting agent on the injection mold and the flat vulcanization mold to form a clean and compact film surface on the surface of the mold;
(5) preparing an outer layer bottom rubber sheet: placing the prepared face cleaning rubber in a flat vulcanization mold for vulcanization to obtain an outer-layer bottom rubber sheet;
(6) injection molding: the prepared clean face type PU material is put into an injection vulcanizing machine, injected onto the outer layer bottom rubber sheet through an injection mold, and subjected to injection drying molding to obtain the dual-density sole;
(7) spraying a transparent agent, drying and forming: and (4) spraying a transparent agent on the bottom surface and the side surface of the dual-density sole according to the required brightness, and then drying and shaping to form the clean-surface dual-density sole.
The mode of the finish machining of the clean surface brightness in the step (2) is plating treatment or brush polishing treatment.
The rubber raw material in the step (3) consists of a first part of raw materials and a second part of raw materials, wherein the first part of raw materials comprises the following components in percentage by weight: 41.70-41.80% of natural rubber, 12.70-12.80% of butadiene rubber, 3.00-3.10% of zinc oxide, 1.00-1.18% of octadecanoic acid, 2.13-2.28% of magnesium oxide, 4.10-4.18% of N-isopropyl-N' -phenyl p-phenylenediamine, 4.35-4.40% of 2,2, 4-trimethyl-1, 2-dihydroquinoline, 20.70-21.80% of fine carbon black, 2.00-2.32% of an active agent and 2.12-2.24% of a coupling agent; 1.50-1.60% of coumarone resin and 3.70-3.78% of rubber operating oil; the second part of raw materials and the parts by weight of the second part of raw materials in the total amount of the first part of raw materials are as follows: 0.5-1.5 g/kg of sulfur, 2-3 g/kg of accelerator 2-mercaptobenzothiazole, 7-9 g/kg of accelerator N-cyclohexyl-2-benzothiazole sulfonamide, 1-2 g/kg of accelerator tetramethyl thiuram disulfide and 2-3 g/kg of accelerator dibenzothiazyl disulfide.
The face cleaning and mold protecting agent in the step (4) is a release agent AS-101.
The vulcanization condition in the step (5) is as follows: the vulcanization time is 380 plus or minus 20s, and the vulcanization temperature is 155 plus or minus 5 ℃; the vulcanization pressure is 12 +/-1 MPa.
The conditions of injection, drying and molding in the step (6) are as follows: the material drying temperature is 75-85 ℃, the material drying time is 8-9 h, and the injection time is 3-5 s.
Compared with the prior art, the invention has the advantages that:
1. according to the requirements of different smooth degrees of the patterns of the sole, a mode of carrying out different polishing treatments on a split type mould is adopted, namely, the flat vulcanization mould and the injection mould are integrally polished and then different parts are respectively polished to spray corresponding brightness, such as highlight or matte, so that the corresponding clean surfaces of different convex-concave patterns of the sole are solved, and the multilayer clean surface of the dual-density sole is realized;
2. the surface of the rubber product is refined by adjusting the formula of the face cleaning rubber, and the surface of the mold and the surface of the rubber product are kept clean and beautiful by using the face cleaning film protecting agent;
3. the surface of the sole is clean, natural and fresh through the later-stage treatment of the color-permeable agent.
Detailed Description
A method for manufacturing a face-cleaning type double-density sole comprises the following steps:
(1) and (3) polishing treatment of the die: firstly, respectively carrying out integral polishing treatment on a flat vulcanizing mold and an injection mold on an injection vulcanizing machine, and then integrally spraying a matte hardening agent (such as alodine407 type) on the flat vulcanizing mold, wherein the integral flat vulcanizing mold refers to a bottom surface with patterns, namely a bottom flower, and then precisely polishing the positive surface of the bottom mold of the flat vulcanizing mold to meet the mirror surface requirement; the male surface of the bottom die is a concave surface of the pattern of the bottom die, and the female surface of the bottom die is a convex surface of the pattern;
(2) and (3) performing fractional polishing treatment on the mold: according to the brightness requirements of all parts, respectively carrying out finish machining treatment on different parts, namely concave and convex surfaces, on the injection mold and the flat vulcanization mold, wherein the clean surface brightness refers to matt, flat and high brightness and mainly aims at the parts such as sole patterns, nipples and the like on the injection mold;
(3) the preparation of the cleansing rubber and the cleansing PU material: mixing and stirring rubber raw materials to prepare face cleaning rubber, mixing and stirring PU material raw materials to prepare face cleaning type PU material, wherein the PU material raw materials are common polyurethane raw materials, can be any existing PU material formula for shoe making, are mature prior art and are not described again;
(4) spraying a mold protecting agent: then respectively spraying a face cleaning and mold protecting agent on the injection mold and the flat vulcanization mold to form a clean and compact film surface on the surface of the mold;
(5) preparing an outer layer bottom rubber sheet: placing the prepared face cleaning rubber in a flat vulcanization mold for vulcanization to obtain an outer layer bottom rubber sheet, namely a sole sheet;
(6) injection molding: placing the prepared clean-surface PU material into an injection vulcanizing machine, injecting the clean-surface PU material onto the outer-layer bottom rubber sheet through an injection mold, and performing injection drying molding, so that a sole and an upper which are connected with the upper sheet are formed on the outer-layer bottom rubber sheet, and a dual-density sole is obtained;
(7) spraying a transparent agent, drying and forming: according to the required brightness, the bottom surface and the side surface of the dual-density sole are sprayed with a transparent agent (i.e. materials for beautifying, such as high-gloss 8519P-2 and matte 8519Y), and then the dual-density sole is dried and shaped to form the clean-surface dual-density sole.
The mode of the finish machining of the clean surface brightness in the step (2) is plating treatment or brush polishing treatment.
The rubber raw material in the step (3) consists of a first part of raw materials and a second part of raw materials, wherein the first part of raw materials comprises the following components in percentage by weight: 41.70-41.80% of natural rubber, 12.70-12.80% of butadiene rubber, 3.00-3.10% of zinc oxide, 1.00-1.18% of octadecanoic acid, 2.13-2.28% of magnesium oxide, 4.10-4.18% of N-isopropyl-N' -phenyl p-phenylenediamine, 4.35-4.40% of 2,2, 4-trimethyl-1, 2-dihydroquinoline, 20.70-21.80% of fine carbon black (such as fine carbon black produced by Hebei Longxing chemical Co., Ltd.), 2.00-2.32% of an activator and 2.12-2.24% of a coupling agent; 1.50-1.60% of coumarone resin and 3.70-3.78% of rubber operating oil (namely rubber oil); the second part of raw materials and the parts by weight of the second part of raw materials in the total amount of the first part of raw materials are as follows: 0.5-1.5 g/kg of sulfur, 2-3 g/kg of accelerator 2-mercaptobenzothiazole, 7-9 g/kg of accelerator N-cyclohexyl-2-benzothiazole sulfonamide, 1-2 g/kg of accelerator tetramethyl thiuram disulfide and 2-3 g/kg of accelerator dibenzothiazyl disulfide.
The face cleaning and mold protecting agent in the step (4) is a release agent AS-101.
The vulcanization condition in the step (5) is as follows: the vulcanization time is 380 plus or minus 20s, and the vulcanization temperature is 155 plus or minus 5 ℃; the vulcanization pressure is 12 +/-1 MPa.
The conditions of injection, drying and molding in the step (6) are as follows: the material drying temperature is 75-85 ℃, the material drying time is 8-9 h, and the injection time is 3-5 s.
The invention is further illustrated, but is not to be construed as being limited, by the following specific examples:
example 1
A method for manufacturing a face-cleaning type double-density sole comprises the following steps:
(1) and (3) polishing treatment of the die: firstly, respectively carrying out integral polishing treatment on a flat vulcanizing mold and an injection mold on an injection vulcanizing machine, then integrally spraying alodine407 type matte hardening agent on the flat vulcanizing mold, and then carrying out precision polishing on the bottom mold positive surface of the flat vulcanizing mold so as to meet the mirror surface requirement;
(2) and (3) performing fractional polishing treatment on the mold: according to the brightness requirements of all parts, the different parts, namely the concave and convex surfaces, on the injection mould and the flat vulcanization mould are respectively subjected to finish machining with clean surface brightness, wherein the clean surface brightness refers to matt, flat and high brightness and mainly aims at the parts, such as sole patterns, nipples and the like, on the injection mould;
(3) the preparation of the cleansing rubber and the cleansing PU material: mixing and stirring rubber raw materials to prepare face cleaning rubber, mixing and stirring PU material raw materials to prepare face cleaning type PU material, wherein the PU material raw materials are common polyurethane raw materials;
the rubber raw material consists of a first part of raw materials and a second part of raw materials, wherein the first part of raw materials comprises the following components in percentage by weight: 41.70% of natural rubber, 12.70% of butadiene rubber, 3.00% of zinc oxide, 1.09% of octadecanoic acid, 2.28% of magnesium oxide, 4.10% of N-isopropyl-N' -phenyl-p-phenylenediamine, 4.40% of 2,2, 4-trimethyl-1, 2-dihydroquinoline, 21.70% of fine carbon black, 2.32% of an active agent and 2.24% of a coupling agent; 1.50% of coumarone resin and 3.78% of rubber operating oil; the second part of raw materials and the parts by weight of the second part of raw materials in the total amount of the first part of raw materials are as follows: 0.5 g/kg of sulfur, 2 g/kg of accelerator 2-mercaptobenzothiazole, 7 g/kg of accelerator N-cyclohexyl-2-benzothiazole sulfonamide, 1 g/kg of accelerator tetramethyl thiuram disulfide and 2 g/kg of accelerator dibenzothiazyl disulfide.
(4) Spraying a mold protecting agent: then respectively spraying a face cleaning and mold protecting agent on the injection mold and the flat vulcanization mold to form a clean and compact film surface on the surface of the mold;
(5) preparing an outer layer bottom rubber sheet: placing the prepared face cleaning rubber in a flat vulcanization mold for vulcanization to obtain an outer layer bottom rubber sheet, namely a sole sheet; the vulcanization conditions are as follows: the vulcanization time is 360s, and the vulcanization temperature is 150 ℃; the vulcanization pressure is 11 Mpa;
(6) injection molding: placing the prepared clean-surface PU material into an injection vulcanizing machine, injecting the clean-surface PU material onto the outer-layer bottom rubber sheet through an injection mold, and performing injection drying molding, so that a sole and an upper which are connected with the upper sheet are formed on the outer-layer bottom rubber sheet, and a dual-density sole is obtained; wherein, the injection drying molding conditions are as follows: drying at 75 deg.C for 8h, and injecting for 3 s;
(7) spraying a transparent agent, drying and forming: and (4) spraying a transparent agent on the bottom surface and the side surface of the dual-density sole according to the required brightness, and then drying and shaping to form the clean-surface dual-density sole.
Example 2
A method for manufacturing a face-cleaning type double-density sole comprises the following steps:
(1) and (3) polishing treatment of the die: firstly, respectively carrying out integral polishing treatment on a flat vulcanizing mold and an injection mold on an injection vulcanizing machine, then integrally spraying alodine407 type matte hardening agent on the flat vulcanizing mold, and then carrying out precision polishing on the bottom mold positive surface of the flat vulcanizing mold so as to meet the mirror surface requirement;
(2) and (3) performing fractional polishing treatment on the mold: according to the brightness requirements of all parts, the different parts, namely the concave and convex surfaces, on the injection mould and the flat vulcanization mould are respectively subjected to finish machining with clean surface brightness, wherein the clean surface brightness refers to matt, flat and high brightness and mainly aims at the parts, such as sole patterns, nipples and the like, on the injection mould;
(3) the preparation of the cleansing rubber and the cleansing PU material: mixing and stirring rubber raw materials to prepare face cleaning rubber, mixing and stirring PU material raw materials to prepare face cleaning type PU material, wherein the PU material raw materials are common polyurethane raw materials;
the rubber raw material consists of a first part of raw materials and a second part of raw materials, wherein the first part of raw materials comprises the following components in percentage by weight: 41.80% of natural rubber, 12.40% of butadiene rubber, 3.09% of zinc oxide, 1.18% of octadecanoic acid, 2.26% of magnesium oxide, 4.18% of N-isopropyl-N' -phenyl-p-phenylenediamine, 4.39% of 2,2, 4-trimethyl-1, 2-dihydroquinoline, 20.80% of fine carbon black, 2.31% of an active agent and 2.23% of a coupling agent; 1.60% of coumarone resin and 3.76% of rubber operating oil; the second part of raw materials and the parts by weight of the second part of raw materials in the total amount of the first part of raw materials are as follows: 1.5 g/kg of sulfur, 3 g/kg of accelerator 2-mercaptobenzothiazole, 9 g/kg of accelerator N-cyclohexyl-2-benzothiazole sulfonamide, 2 g/kg of accelerator tetramethyl thiuram disulfide and 3 g/kg of accelerator dibenzothiazyl disulfide.
(4) Spraying a mold protecting agent: then respectively spraying a face cleaning and mold protecting agent on the injection mold and the flat vulcanization mold to form a clean and compact film surface on the surface of the mold;
(5) preparing an outer layer bottom rubber sheet: placing the prepared face cleaning rubber in a flat vulcanization mold for vulcanization to obtain an outer layer bottom rubber sheet, namely a sole sheet; the vulcanization conditions are as follows: the vulcanization time is 400s, and the vulcanization temperature is 160 ℃; the vulcanization pressure is 13 Mpa;
(6) injection molding: placing the prepared clean-surface PU material into an injection vulcanizing machine, injecting the clean-surface PU material onto the outer-layer bottom rubber sheet through an injection mold, and performing injection drying molding, so that a sole and an upper which are connected with the upper sheet are formed on the outer-layer bottom rubber sheet, and a dual-density sole is obtained; wherein, the injection drying molding conditions are as follows: the material drying temperature is 85 ℃, the material drying time is 9 hours, and the injection time is 5 s;
(7) spraying a transparent agent, drying and forming: and (4) spraying a transparent agent on the bottom surface and the side surface of the dual-density sole according to the required brightness, and then drying and shaping to form the clean-surface dual-density sole.
Example 3
A method for manufacturing a face-cleaning type double-density sole comprises the following steps:
(1) and (3) polishing treatment of the die: firstly, respectively carrying out integral polishing treatment on a flat vulcanizing mold and an injection mold on an injection vulcanizing machine, then integrally spraying alodine407 type matte hardening agent on the flat vulcanizing mold, and then carrying out precision polishing on the bottom mold positive surface of the flat vulcanizing mold so as to meet the mirror surface requirement;
(2) and (3) performing fractional polishing treatment on the mold: according to the brightness requirements of all parts, the different parts, namely the concave and convex surfaces, on the injection mould and the flat vulcanization mould are respectively subjected to finish machining with clean surface brightness, wherein the clean surface brightness refers to matt, flat and high brightness and mainly aims at the parts, such as sole patterns, nipples and the like, on the injection mould;
(3) the preparation of the cleansing rubber and the cleansing PU material: mixing and stirring rubber raw materials to prepare face cleaning rubber, mixing and stirring PU material raw materials to prepare face cleaning type PU material, wherein the PU material raw materials are common polyurethane raw materials;
the rubber raw material consists of a first part of raw materials and a second part of raw materials, wherein the first part of raw materials comprises the following components in percentage by weight: 41.78% of natural rubber, 12.77% of butadiene rubber, 3.00% of zinc oxide, 1.00% of octadecanoic acid, 2.13% of magnesium oxide, 4.17% of N-isopropyl-N' -phenyl-p-phenylenediamine, 4.35% of 2,2, 4-trimethyl-1, 2-dihydroquinoline, 21.06% of fine carbon black, 2.30% of an active agent and 2.12% of a coupling agent; 1.58% of coumarone resin and 3.74% of rubber operating oil; the second part of raw materials and the parts by weight of the second part of raw materials in the total amount of the first part of raw materials are as follows: 1 g/kg of sulfur, 2.5 g/kg of accelerator 2-mercaptobenzothiazole, 8 g/kg of accelerator N-cyclohexyl-2-benzothiazole sulfonamide, 2 g/kg of accelerator tetramethyl thiuram disulfide and 2 g/kg of accelerator dibenzothiazyl disulfide.
(4) Spraying a mold protecting agent: then respectively spraying a face cleaning and mold protecting agent on the injection mold and the flat vulcanization mold to form a clean and compact film surface on the surface of the mold;
(5) preparing an outer layer bottom rubber sheet: placing the prepared face cleaning rubber in a flat vulcanization mold for vulcanization to obtain an outer layer bottom rubber sheet, namely a sole sheet; the vulcanization conditions are as follows: the vulcanization time is 370s, and the vulcanization temperature is 153 ℃; the vulcanization pressure is 12 Mpa;
(6) injection molding: placing the prepared clean-surface PU material into an injection vulcanizing machine, injecting the clean-surface PU material onto the outer-layer bottom rubber sheet through an injection mold, and performing injection drying molding, so that a sole and an upper which are connected with the upper sheet are formed on the outer-layer bottom rubber sheet, and a dual-density sole is obtained; wherein, the injection drying molding conditions are as follows: the material drying temperature is 80 ℃, the material drying time is 8.5h, and the injection time is 4 s;
(7) spraying a transparent agent, drying and forming: and (4) spraying a transparent agent on the bottom surface and the side surface of the dual-density sole according to the required brightness, and then drying and shaping to form the clean-surface dual-density sole.
Example 4
A method for manufacturing a face-cleaning type double-density sole comprises the following steps:
(1) and (3) polishing treatment of the die: firstly, respectively carrying out integral polishing treatment on a flat vulcanizing mold and an injection mold on an injection vulcanizing machine, then integrally spraying alodine407 type matte hardening agent on the flat vulcanizing mold, and then carrying out precision polishing on the bottom mold positive surface of the flat vulcanizing mold so as to meet the mirror surface requirement;
(2) and (3) performing fractional polishing treatment on the mold: according to the brightness requirements of all parts, the different parts, namely the concave and convex surfaces, on the injection mould and the flat vulcanization mould are respectively subjected to finish machining with clean surface brightness, wherein the clean surface brightness refers to matt, flat and high brightness and mainly aims at the parts, such as sole patterns, nipples and the like, on the injection mould;
(3) the preparation of the cleansing rubber and the cleansing PU material: mixing and stirring rubber raw materials to prepare face cleaning rubber, mixing and stirring PU material raw materials to prepare face cleaning type PU material, wherein the PU material raw materials are common polyurethane raw materials;
the rubber raw material consists of a first part of raw materials and a second part of raw materials, wherein the first part of raw materials comprises the following components in percentage by weight: 41.80% of natural rubber, 12.30% of butadiene rubber, 3.10% of zinc oxide, 1.10% of octadecanoic acid, 2.28% of magnesium oxide, 4.10% of N-isopropyl-N' -phenyl-p-phenylenediamine, 4.40% of 2,2, 4-trimethyl-1, 2-dihydroquinoline, 21.48% of fine carbon black, 2.00% of an active agent and 2.24% of a coupling agent; 1.50% of coumarone resin and 3.70% of rubber operating oil; the second part of raw materials and the parts by weight of the second part of raw materials in the total amount of the first part of raw materials are as follows: 1.5 g/kg of sulfur, 2 g/kg of accelerator 2-mercaptobenzothiazole, 9 g/kg of accelerator N-cyclohexyl-2-benzothiazole sulfonamide, 1 g/kg of accelerator tetramethyl thiuram disulfide and 3 g/kg of accelerator dibenzothiazyl disulfide.
(4) Spraying a mold protecting agent: then respectively spraying a face cleaning and mold protecting agent on the injection mold and the flat vulcanization mold to form a clean and compact film surface on the surface of the mold;
(5) preparing an outer layer bottom rubber sheet: placing the prepared face cleaning rubber in a flat vulcanization mold for vulcanization to obtain an outer layer bottom rubber sheet, namely a sole sheet; the vulcanization conditions are as follows: the vulcanization time is 390s, and the vulcanization temperature is 155 ℃; the vulcanization pressure is 11 Mpa;
(6) injection molding: placing the prepared clean-surface PU material into an injection vulcanizing machine, injecting the clean-surface PU material onto the outer-layer bottom rubber sheet through an injection mold, and performing injection drying molding, so that a sole and an upper which are connected with the upper sheet are formed on the outer-layer bottom rubber sheet, and a dual-density sole is obtained; wherein, the injection drying molding conditions are as follows: the material drying temperature is 85 ℃, the material drying time is 8 hours, and the injection time is 3 s;
(7) spraying a transparent agent, drying and forming: and (4) spraying a transparent agent on the bottom surface and the side surface of the dual-density sole according to the required brightness, and then drying and shaping to form the clean-surface dual-density sole.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. A method for manufacturing a face-cleaning type double-density sole is characterized by comprising the following steps: the method comprises the following steps:
(1) and (3) polishing treatment of the die: firstly, respectively carrying out integral polishing treatment on a flat vulcanizing mold and an injection mold on an injection vulcanizing machine, then integrally spraying a matte hardening agent on the flat vulcanizing mold, and then carrying out precision polishing on the bottom mold male surface of the flat vulcanizing mold;
(2) and (3) performing fractional polishing treatment on the mold: respectively carrying out finish machining treatment on different parts on the injection mold and the flat vulcanization mold according to the brightness requirements of all parts;
(3) the preparation of the cleansing rubber and the cleansing PU material: mixing and stirring the rubber raw materials to prepare the face cleaning rubber, and mixing and stirring the PU material raw materials to prepare the face cleaning type PU material;
(4) spraying a mold protecting agent: then respectively spraying a face cleaning and mold protecting agent on the injection mold and the flat vulcanization mold to form a clean and compact film surface on the surface of the mold;
(5) preparing an outer layer bottom rubber sheet: placing the prepared face cleaning rubber in a flat vulcanization mold for vulcanization to obtain an outer-layer bottom rubber sheet;
(6) injection molding: the prepared clean face type PU material is put into an injection vulcanizing machine, injected onto the outer layer bottom rubber sheet through an injection mold, and subjected to injection drying molding to obtain the dual-density sole;
(7) spraying a transparent agent, drying and forming: and (4) spraying a transparent agent on the bottom surface and the side surface of the dual-density sole according to the required brightness, and then drying and shaping to form the clean-surface dual-density sole.
2. The method for manufacturing a dual density shoe sole of a face cleaning type according to claim 1, wherein: the mode of the finish machining of the clean surface brightness in the step (2) is plating treatment or brush polishing treatment.
3. The method for manufacturing a dual density shoe sole of a face cleaning type according to claim 1, wherein: the rubber raw material in the step (3) consists of a first part of raw materials and a second part of raw materials, wherein the first part of raw materials comprises the following components in percentage by weight: 41.70-41.80% of natural rubber, 12.70-12.80% of butadiene rubber, 3.00-3.10% of zinc oxide, 1.00-1.18% of octadecanoic acid, 2.13-2.28% of magnesium oxide, 4.10-4.18% of N-isopropyl-N' -phenyl p-phenylenediamine, 4.35-4.40% of 2,2, 4-trimethyl-1, 2-dihydroquinoline, 20.70-21.80% of fine carbon black, 2.00-2.32% of an active agent and 2.12-2.24% of a coupling agent; 1.50-1.60% of coumarone resin and 3.70-3.78% of rubber operating oil; the second part of raw materials and the parts by weight of the second part of raw materials in the total amount of the first part of raw materials are as follows: 0.5-1.5 g/kg of sulfur, 2-3 g/kg of accelerator 2-mercaptobenzothiazole, 7-9 g/kg of accelerator N-cyclohexyl-2-benzothiazole sulfonamide, 1-2 g/kg of accelerator tetramethyl thiuram disulfide and 2-3 g/kg of accelerator dibenzothiazyl disulfide.
4. The method for manufacturing a dual density shoe sole of a face cleaning type according to claim 1, wherein: the face cleaning and mold protecting agent in the step (4) is a release agent AS-101.
5. The method for manufacturing a dual density shoe sole of a face cleaning type according to claim 1, wherein: the vulcanization condition in the step (5) is as follows: the vulcanization time is 380 plus or minus 20s, and the vulcanization temperature is 155 plus or minus 5 ℃; the vulcanization pressure is 12 +/-1 MPa.
6. The method for manufacturing a dual density shoe sole of a face cleaning type according to claim 1, wherein: the conditions of injection, drying and molding in the step (6) are as follows: the material drying temperature is 75-85 ℃, the material drying time is 8-9 h, and the injection time is 3-5 s.
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| CN102529138A (en) * | 2010-12-20 | 2012-07-04 | 际华三五一五皮革皮鞋有限公司 | Polyurethane (PU) and rubber double-density injection shoe making method |
| CN102922762A (en) * | 2012-10-30 | 2013-02-13 | 青岛亨达股份有限公司 | Manufacture method of double-glossiness sole |
| CN106117651A (en) * | 2016-08-31 | 2016-11-16 | 际华三五四制革制鞋有限公司 | Oil resistant, wear-resisting dual density footwear rubber sole and preparation method thereof |
| CN109593237A (en) * | 2018-10-31 | 2019-04-09 | 际华三五五皮革皮鞋有限公司 | A kind of face cleaning rubber soles material and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102529138A (en) * | 2010-12-20 | 2012-07-04 | 际华三五一五皮革皮鞋有限公司 | Polyurethane (PU) and rubber double-density injection shoe making method |
| CN102922762A (en) * | 2012-10-30 | 2013-02-13 | 青岛亨达股份有限公司 | Manufacture method of double-glossiness sole |
| CN106117651A (en) * | 2016-08-31 | 2016-11-16 | 际华三五四制革制鞋有限公司 | Oil resistant, wear-resisting dual density footwear rubber sole and preparation method thereof |
| CN109593237A (en) * | 2018-10-31 | 2019-04-09 | 际华三五五皮革皮鞋有限公司 | A kind of face cleaning rubber soles material and preparation method thereof |
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