CN109793307B - Electric insulation labor protection leather shoe and manufacturing process thereof - Google Patents
Electric insulation labor protection leather shoe and manufacturing process thereof Download PDFInfo
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- CN109793307B CN109793307B CN201910133223.8A CN201910133223A CN109793307B CN 109793307 B CN109793307 B CN 109793307B CN 201910133223 A CN201910133223 A CN 201910133223A CN 109793307 B CN109793307 B CN 109793307B
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Abstract
The invention discloses an electric insulation labor protection leather shoe and a manufacturing process thereof, wherein the electric insulation labor protection leather shoe comprises an upper and a sole, wherein the sole comprises a PHYLON mid-sole and an insulation large-sole; the insulating outsole is prepared by mixing the following components in parts by weight: polyallylamine resin: 20-25 parts of amino-terminated polyether: 10-15 parts of a chain extender: 7-9 parts of a coupling agent: 0.5-2 parts of catalyst: 0.1-0.2 parts of isocyanate: 35-50 parts of polyol: 30-45 parts of antioxidant 1010: 0.5-1 part of lubricant: 0.2 to 0.5 portion. The outsole material disclosed by the invention is reasonable in component proportion, has excellent electrical insulation, high electrical strength, high water resistance and high mechanical property, and can better protect a human body from being injured by electric shock when worn in live environments such as installation or maintenance of wiring circuits and power equipment.
Description
Technical Field
The invention relates to an electric insulation labor protection leather shoe and a manufacturing process thereof.
Background
The labor protection shoes are labor protection articles used when people are engaged in work in severe environments and high in danger, and compared with common shoes, the labor protection shoes can better protect human bodies. For example, when working in live-line environment such as installation or maintenance of wiring circuits and power equipment, the current of live-line equipment can form a passage between a human body and the ground when ordinary shoes are worn, so that the human body is injured by electric shock, and the current can be prevented from forming a passage between the human body and the ground when special electric insulation safety shoes are worn, so that the electric shock risk of live-line operation is reduced to the minimum degree. The electric insulation shoes are special safety shoes made of insulation materials, and are mainly divided into electric insulation leather shoes and cloth cover electric insulation shoes at present, wherein the electric insulation leather shoes are popular due to the characteristics of firmness, wear resistance and the like.
Disclosure of Invention
The invention provides an electric insulation labor protection leather shoe and a manufacturing process thereof, and the specific technical scheme is as follows:
an electric insulation labor protection leather shoe comprises an upper and a sole, wherein the upper is covered with glue and is integrated with the sole; the upper comprises a front upper, a middle upper and a back upper, and the front upper, the middle upper and the back upper respectively comprise an outer leather layer and an inner lining layer; the sole comprises an upper middle sole and a lower large sole, wherein the middle sole is a PHYLON middle sole, and the large sole is made of an insulating resin material; the resin material is prepared by mixing the following components in parts by weight: polyallylamine resin: 20-25 parts of amino-terminated polyether: 10-15 parts of a chain extender: 7-9 parts of a coupling agent: 0.5-2 parts of catalyst: 0.1-0.2 parts of isocyanate: 35-50 parts of polyol: 30-45 parts of antioxidant 1010: 0.5-1 part of lubricant: 0.2 to 0.5 portion.
A preparation process of an electric insulation labor protection leather shoe comprises the following steps:
s1: preparing materials: preparing raw materials for manufacturing soles and uppers according to requirements;
s2: manufacturing a sole: using the raw materials in the step S1 to manufacture PHYLON mid-soles and undersoles with different sizes;
s3: manufacturing an upper: making an upper matched with the size of the sole according to the designed style;
s4: compounding the upper and the sole: pouring and bonding the soles and the uppers manufactured in the steps S2 and S3 together according to matched sizes;
s5: trimming and shaping: removing the redundant parts on the sole, and finishing and shaping the shoes to obtain the finished products of the electric insulation labor protection leather shoes;
s6: and (4) quality inspection and warehousing: and (4) performing quality inspection on the manufactured electric insulation labor protection leather shoe finished product, and warehousing qualified shoes for later use.
In the aforementioned manufacturing process of the electrical insulation labor protection leather shoes, in step S2, the sole is manufactured, wherein the manufacturing of the outsole comprises the following substeps:
s2-1: weighing the ingredients: weighing the materials required for manufacturing the outsole in parts by weight as follows: polyallylamine resin: 20-25 parts of amino-terminated polyether: 10-15 parts of a chain extender: 7-9 parts of a coupling agent: 0.5-2 parts of catalyst: 0.1-0.2 parts of isocyanate: 35-50 parts of polyester polyol: 30-45 parts of antioxidant 1010: 0.5-1 part of lubricant: 0.2-0.5 part;
s2-2: placing polyallylamine resin, amino-terminated polyether, chain extender, coupling agent, catalyst and deionized water in a reaction kettle, reacting for 1-2 hours to obtain a material I, and sealing and storing;
s2-3: placing isocyanate, polyol, an antioxidant 1010 and a lubricant in a reaction kettle for reacting for 2-3 hours to obtain a material II, and sealing and storing;
s2-4: mixing the material I and the material II prepared in the step S2-2 and the step S2-3 according to the mass ratio of 1: 1, and then evenly mixing the mixture to obtain the resin material for manufacturing the outsole.
S2-5: and (3) reverse molding: and (5) injecting the prepared resin material in the step S2-4 into a outsole mold for reverse molding, and demolding and curing after molding to obtain the outsole.
In the aforementioned manufacturing process of the electrical insulation labor protection leather shoes, the manufacturing of the upper in step S3 includes the following sub-steps:
s3-1: cutting: respectively cutting the front upper, the middle upper and the back upper of the lining layer and the leather layer according to the design style;
s3-2: sewing leather: sewing the front upper, the middle upper and the back upper of the leather layer in the step S3-1 together;
s3-3: lining sewing: sewing the front upper, the middle upper and the back upper of the lining layer in the step S3-1 together;
s3-4: sewing the leather layer and the lining layer: sewing the leather layer and the lining layer sewn in the steps S3-2 and S3-3 together to form a finished upper;
s3-5: the cover-tightening shoe last: the finished upper surface is stretched and sleeved on a shoe tree with a corresponding size and glued;
s3-6: and (3) lasting and shaping: respectively clamping the front upper middle upper and the back upper of the finished upper in the step S3-5 for shaping;
s3-7: roughening: and (4) sanding and roughening the contact part of the lower part of the finished upper shaped in the step (S3-6) and the sole so as to be bonded with the sole in the step (S4). And in step S4, the upper and the sole are combined first with the midsole and then with the outsole.
In the preparation process of the electrical insulation labor protection leather shoes, the molecular weight of the polyallylamine resin in the step S2-1 is 1500-2000; the end group of the amino-terminated polyether is arylamino; the polyhydric alcohol is aromatic alcohol. The specific reaction conditions in the step S2-2 are sufficient mixing at 30-50 ℃ for 1-2 hours. The specific reaction condition in the step S2-3 is to react for 2-3 hours at 65-70 ℃. In the step S2-4, the reaction condition for mixing the material I and the material II is 40-50 ℃. In the step S2-5, the temperature of the reverse mold is 65-85 ℃.
The invention has the beneficial effects that:
the outsole material has reasonable component proportion, not only has excellent electrical insulation, but also has high electrical strength, water resistance and mechanical property, and can better protect a human body from being injured by electric shock when worn in live environments such as installation or maintenance of wiring circuits and power equipment; the adopted PHYLON midsole is light, good in elasticity, good in tensile resistance and tearing, good in extensibility and comfortable to wear; the lining layer of the upper not only increases the firmness of the upper, but also can increase the wearing comfort; the upper outer layer of the leather material enables the electric insulation labor protection shoe to be firm and wear-resistant, and meanwhile, the electric insulation labor protection shoe has a certain waterproof effect, so that the safety of a human body is further protected. In addition, the manufacturing process of the invention is to pour and bond the upper and the sole together, so that the upper and the sole are firmly fixed and can be further waterproof, and an effective insulation effect can be achieved in rainy and snowy weather or humid environment. Therefore, the process has good application value, and the labor protection shoe product has good use value.
Description of the drawings:
FIG. 1 is a flow chart of the manufacturing process of the electric insulation labor protection leather shoes of the invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the following specific embodiments:
the present invention will be further described with reference to the following specific embodiments, so as to assist those skilled in the art to more fully, accurately and deeply understand the inventive concept and technical solution of the present invention; it should be noted that the descriptions of the materials, properties, etc. in the embodiments are illustrative and not meant to limit the scope of the invention.
The electric insulation labor protection leather shoes comprise uppers and soles, wherein the uppers are covered on the soles by glue and are integrated with the soles; the upper comprises a front upper, a middle upper and a back upper, and the front upper, the middle upper and the back upper respectively comprise an outer leather layer and an inner lining layer; the sole comprises an upper middle sole and a lower large sole, wherein the middle sole is a PHYLON middle sole, and the large sole is made of an insulating resin material; the resin material is prepared by mixing the following components in parts by weight: polyallylamine resin: 20-25 parts of amino-terminated polyether: 10-15 parts of a chain extender: 7-9 parts of a coupling agent: 0.5-2 parts of catalyst: 0.1-0.2 parts of isocyanate: 35-50 parts of polyol: 30-45 parts of antioxidant 1010: 0.5-1 part of lubricant: 0.2 to 0.5 portion.
The invention relates to a process for preparing an electric insulation labor protection leather shoe, which has a flow shown in figure 1 and comprises the following steps:
s1: preparing materials: preparing raw materials for manufacturing soles and uppers according to requirements;
s2: manufacturing a sole: using the raw materials in the step S1 to manufacture PHYLON mid-soles and undersoles with different sizes;
s3: manufacturing an upper: making an upper matched with the size of the sole according to the designed style;
s4: compounding the upper and the sole: pouring and bonding the soles and the uppers manufactured in the steps S2 and S3 together according to matched sizes;
s5: trimming and shaping: removing the redundant parts on the sole, and finishing and shaping the shoes to obtain the finished products of the electric insulation labor protection leather shoes;
s6: and (4) quality inspection and warehousing: and (4) performing quality inspection on the manufactured electric insulation labor protection leather shoe finished product, and warehousing qualified shoes for later use.
Wherein, the steps S2 and S3 further comprise the following sub-steps
The step S2 of making the sole includes the following substeps:
s2-1: weighing the ingredients: weighing the materials required for manufacturing the outsole in parts by weight as follows: polyallylamine resin: 20-25 parts of amino-terminated polyether: 10-15 parts of a chain extender: 7-9 parts of a coupling agent: 0.5-2 parts of catalyst: 0.1-0.2 parts of isocyanate: 35-50 parts of polyester polyol: 30-45 parts of antioxidant 1010: 0.5-1 part of lubricant: 0.2-0.5 part; wherein the molecular weight of the polyallylamine resin is 1500-2000; the end group of the amino-terminated polyether is arylamino; the polyalcohol is aromatic alcohol.
S2-2: placing polyallylamine resin, amino-terminated polyether, chain extender, coupling agent, catalyst and deionized water in a reaction kettle for reaction under the specific reaction condition of fully mixing for 1-2 hours at 30-50 ℃ to obtain a material I, and sealing and storing;
s2-3: placing isocyanate, polyol, an antioxidant 1010 and a lubricant into a reaction kettle for reaction, wherein the specific reaction condition is that the reaction is carried out for 2-3 hours at the temperature of 65-70 ℃ to obtain a material II, and sealing and storing the material II;
s2-4: mixing the material I and the material II prepared in the step S2-2 and the step S2-3 according to the mass ratio of 1: 1, and mixing uniformly under the reaction condition of 40-50 ℃ to obtain the resin material for manufacturing the outsole.
S2-5: and (3) reverse molding: and (5) injecting the resin material prepared in the step (S2-4) into a outsole mold for reverse mold, controlling the temperature of the reverse mold to be 65-85 ℃, demolding and curing to obtain the outsole.
Step S3 includes the following substeps of making an upper:
s3-1: cutting: respectively cutting the front upper, the middle upper and the back upper of the lining layer and the leather layer according to the design style;
s3-2: sewing leather: sewing the front upper, the middle upper and the back upper of the leather layer in the step S3-1 together;
s3-3: lining sewing: sewing the front upper, the middle upper and the back upper of the lining layer in the step S3-1 together;
s3-4: sewing the leather layer and the lining layer: sewing the leather layer and the lining layer sewn in the steps S3-2 and S3-3 together to form a finished upper;
s3-5: the cover-tightening shoe last: the finished upper surface is stretched and sleeved on a shoe tree with a corresponding size and glued;
s3-6: and (3) lasting and shaping: respectively clamping the front upper middle upper and the back upper of the finished upper in the step S3-5 for shaping;
s3-7: roughening: and (4) sanding and roughening the contact part of the lower part of the finished upper shaped in the step (S3-6) and the sole so as to be bonded with the sole in the step (S4). And in step S4, the upper and the sole are combined first with the middle sole and then with the outsole.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. Furthermore, it should be understood that although the present specification describes embodiments, this does not include only one embodiment, and such description is for clarity only, and those skilled in the art should be able to make the specification as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (6)
1. The preparation process of the electric insulation labor protection leather shoes comprises uppers and soles, and is characterized in that: the upper rubber is covered on the sole and is integrated with the sole, and the preparation process comprises the following steps:
s1: preparing materials: preparing raw materials for manufacturing soles and uppers according to requirements; the upper comprises a front upper, a middle upper and a back upper, and the front upper, the middle upper and the back upper respectively comprise an outer leather layer and an inner lining layer; the sole comprises an upper middle sole and a lower big sole;
s2: manufacturing a sole: using the raw materials in the step S1 to manufacture PHYLON mid-soles and undersoles with different sizes, wherein the undersoles are made of insulating resin materials;
the manufacturing of the outsole comprises the following substeps:
s2-1: weighing the ingredients: weighing the materials required for manufacturing the outsole in parts by weight as follows: polyallylamine resin: 20-25 parts of amino-terminated polyether: 10-15 parts of a chain extender: 7-9 parts of a coupling agent: 0.5-2 parts of catalyst: 0.1-0.2 parts of isocyanate: 35-50 parts of polyester polyol: 30-45 parts of antioxidant 1010: 0.5-1 part of lubricant: 0.2-0.5 part;
s2-2: placing polyallylamine resin, amino-terminated polyether, chain extender, coupling agent, catalyst and deionized water in a reaction kettle, reacting for 1-2 hours to obtain a material I, and sealing and storing;
s2-3: placing isocyanate, polyol, an antioxidant 1010 and a lubricant in a reaction kettle, reacting for 2-3 hours at 65-70 ℃ to obtain a material II, and sealing and storing;
s2-4: mixing the material I and the material II prepared in the step S2-2 and the step S2-3 according to the mass ratio of 1: 1, uniformly mixing at 40-50 ℃ to obtain a resin material for manufacturing the outsole;
s2-5: and (3) reverse molding: injecting the prepared resin material in the step S2-4 into a outsole mold for reverse molding, and demolding and curing after molding to obtain an outsole;
s3: manufacturing an upper: making an upper matched with the size of the sole according to the designed style;
s4: bonding the upper and the sole: pouring and bonding the soles and the uppers manufactured in the steps S2 and S3 together according to matched sizes;
s5: trimming and shaping: removing the redundant parts on the sole, and finishing and shaping the shoes to obtain the finished products of the electric insulation labor protection leather shoes;
s6: and (4) quality inspection and warehousing: and (4) performing quality inspection on the manufactured electric insulation labor protection leather shoe finished product, and warehousing qualified shoes for later use.
2. The process for preparing an electric insulation labor protection leather shoe according to claim 1, wherein the process comprises the following steps: the manufacturing of the upper in the step S3 includes the following substeps:
s3-1: cutting: respectively cutting the front upper, the middle upper and the back upper of the lining layer and the leather layer according to the design style;
s3-2: sewing leather: sewing the front upper, the middle upper and the back upper of the leather layer in the step S3-1 together;
s3-3: lining sewing: sewing the front upper, the middle upper and the back upper of the lining layer in the step S3-1 together;
s3-4: sewing the leather layer and the lining layer: sewing the leather layer and the lining layer sewn in the steps S3-2 and S3-3 together to form a finished upper;
s3-5: the cover-tightening shoe last: the finished upper surface is stretched and sleeved on a shoe tree with a corresponding size and glued;
s3-6: and (3) lasting and shaping: respectively clamping the front upper middle upper and the back upper of the finished upper in the step S3-5 for shaping;
s3-7: roughening: and (4) sanding and roughening the contact part of the lower part of the finished upper shaped in the step (S3-6) and the sole so as to be bonded with the sole in the step (S4).
3. The process for preparing an electric insulation labor protection leather shoe according to claim 1, wherein the process comprises the following steps: in step S4, the upper and the sole are combined first with the midsole and then with the outsole.
4. The process for preparing an electric insulation labor protection leather shoe according to claim 1, wherein the process comprises the following steps: the molecular weight of the polyallylamine resin in the step S2-1 is 1500-2000; the end group of the amino-terminated polyether is arylamino; the polyhydric alcohol is aromatic alcohol.
5. The process for preparing an electric insulation labor protection leather shoe according to claim 1, wherein the process comprises the following steps: the specific reaction condition in the step S2-2 is to fully mix for 1-2 hours at 30-50 ℃.
6. The process for preparing an electric insulation labor protection leather shoe according to claim 1, wherein the process comprises the following steps: in the step S2-5, the temperature of the reverse mold is 65-85 ℃.
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| CN201910133223.8A CN109793307B (en) | 2019-02-22 | 2019-02-22 | Electric insulation labor protection leather shoe and manufacturing process thereof |
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| CN201910133223.8A CN109793307B (en) | 2019-02-22 | 2019-02-22 | Electric insulation labor protection leather shoe and manufacturing process thereof |
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| CN109793307B true CN109793307B (en) | 2021-08-06 |
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| CN109793307A (en) | 2019-05-24 |
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Address after: 212300 Industrial Park, North Sanwei Road, Danyang Development Zone, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Liudu Safety Technology Co.,Ltd. Address before: 212300 Industrial Park, North Sanwei Road, Danyang Development Zone, Zhenjiang City, Jiangsu Province Patentee before: Danyang Liudu Shoes Co.,Ltd. |