CN112060644A - Rubber tire production method based on rubber powder anti-sticking process technology - Google Patents
Rubber tire production method based on rubber powder anti-sticking process technology Download PDFInfo
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- CN112060644A CN112060644A CN202010867676.6A CN202010867676A CN112060644A CN 112060644 A CN112060644 A CN 112060644A CN 202010867676 A CN202010867676 A CN 202010867676A CN 112060644 A CN112060644 A CN 112060644A
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- rubber
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- tire
- rubber powder
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- 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
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/72—Side-walls
-
- 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
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
- C08K3/34—Silicon-containing compounds
-
- 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
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/72—Side-walls
- B29D2030/724—Stiffening the sidewalls, e.g. by using additional inserts, e.g. made of rubber, plastics or other materials
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a rubber tire production method based on rubber powder anti-sticking process technology, which comprises the steps of crushing and processing superfine rubber powder by using waste rubber tires, preparing mixed additives, mixing and discharging rubber, extruding and supplying rubber, cutting, hot sticking and cooling; the process is more scientific and reasonable, the ultramicro rubber powder is added in the formula of the traditional wrapping cloth rubber material, the ultramicro rubber powder is processed by waste tires, the environment friendliness is high, the added talcum powder and the viscosity reducer sprayed before hot sticking are matched, the quality problem of waste caused by excessive sticking of the wrapping cloth can be solved, the material cost is reduced, and the processing process problem existing on site is solved; the added silicon carbide fine powder can enhance the wear resistance and the anti-cracking performance of the wrapping cloth rubber material, and the added high-density graphite powder can increase the heat resistance of the wrapping cloth rubber material, so that the service life of the tire is prolonged.
Description
Technical Field
The invention relates to the technical field of tire industry, in particular to a rubber tire production method based on rubber powder anti-sticking process technology.
Background
The steel wire ring wrapping cloth formula sizing material has special requirements in the processing process, the workshop has more strict requirements on the use of the sizing material, and the requirements are summarized as 'not sticking and not sticking too much', so that higher requirements are provided for the quality control of technicians, if parts are not stuck, the adhesion between the steel wire ring and the triangular rubber core is not good, and a plurality of quality problems of the ring part are easy to occur; if the adhesive tape is too sticky, waste is easily caused in the winding process, the adhesive tape cannot be torn, part of the wound cloth cannot be used, and only can be discarded, so that great waste and loss are caused; therefore, a rubber tire production method based on rubber powder anti-sticking process technology is provided.
Disclosure of Invention
The invention aims to provide a rubber tire production method based on a rubber powder anti-sticking process technology, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a rubber tire production method based on rubber powder anti-sticking process technology comprises the following steps:
s1: the method for crushing and processing the superfine rubber powder by utilizing the waste rubber tires comprises the following specific operation steps:
a: cutting off a rim bead ring of the waste tire by using a ring cutting machine, cutting the waste tire with the rim bead ring cut off into strips with the thickness of 25-30mm by using a slitting machine, and cutting the cut strip-shaped rubber strips into blocks with the thickness of less than 25 x 25mm by using a dicer;
b: crushing the blocky glue into colloidal particles by a glue crusher, screening the colloidal particles by a magnetic separator set, screening out iron steel wires in the material by three magnetic separators in the screening process, feeding the screened material into an air fiber separator, and separating fine fibers to obtain glue powder;
c: feeding the rubber powder into a colloid mill for grinding, and screening the ground rubber powder into superfine rubber powder through a vibrating screen;
s2: mixing 8-12 parts of superfine rubber powder, 2-4 parts of silicon carbide fine powder, 5-8 parts of talcum powder and 1-3 parts of high-density graphite powder, uniformly stirring for 5-10 minutes by using stirring equipment, controlling the stirring temperature to be 65-75 ℃, and cooling after stirring to obtain a mixed additive;
s3: preparing a cloth-coated rubber material raw material, adding the cloth-coated rubber material raw material into an internal mixer, adding the mixed additive obtained in S2, mixing for 6-8 minutes in the internal mixer, and discharging rubber after mixing to obtain an improved cloth-coated rubber material;
s4: adding the improved wrapping cloth rubber material into a cold feed extruder for supplying rubber, adjusting the roller spacing and the width of a cut-off knife of a two-roller tablet press, and extruding rubber sheets with different thicknesses and widths;
s5: spraying a layer of viscosity reducer heated to 75-85 ℃ on the surface of the extruded rubber sheet, continuously hot-sticking the rubber sheet on the side of the radial tire, controlling the hot-sticking temperature to be 70-80 ℃, continuously sticking the rubber sheet to the side of the tire by using a rubber sheet sticking and positioning device to enable the temperature of the side of the tire to be consistent with that of the rubber material of the rubber sheet, and cooling the side of the tire.
Preferably, the particle size of the superfine rubber powder obtained in the S1 is 120-150 meshes.
Preferably, the mixing pressure of the internal mixer in the S3 is 12-15Mpa, the temperature of an internal mixing chamber is 55-65 ℃, the rubber discharging temperature is 165-175 ℃,
preferably, the cooling method in S5 is spray water cooling.
Preferably, the viscosity reducer in S5 is diluted by 30-40% deionized water.
Compared with the prior art, the invention has the beneficial effects that: the process is more scientific and reasonable, the ultramicro rubber powder is added in the formula of the traditional wrapping cloth rubber material, the ultramicro rubber powder is processed by waste tires, the environment friendliness is high, the added talcum powder and the viscosity reducer sprayed before hot sticking are matched, the quality problem of waste caused by excessive sticking of the wrapping cloth can be solved, the material cost is reduced, and the processing process problem existing on site is solved; the added silicon carbide fine powder can enhance the wear resistance and the anti-cracking performance of the wrapping cloth rubber material, and the added high-density graphite powder can increase the heat resistance of the wrapping cloth rubber material, so that the service life of the tire is prolonged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a rubber tire production method based on rubber powder anti-sticking process technology comprises the following steps:
s1: the method for crushing and processing the superfine rubber powder by utilizing the waste rubber tires comprises the following specific operation steps:
a: cutting off a rim bead ring of the waste tire by using a ring cutting machine, cutting the waste tire with the rim bead ring cut off into strips with the thickness of 25mm by using a slitting machine, and cutting the cut strip-shaped rubber strips into blocks with the thickness of less than 25 x 25mm by using a dicer;
b: crushing the blocky glue into colloidal particles by a glue crusher, screening the colloidal particles by a magnetic separator set, screening out iron steel wires in the material by three magnetic separators in the screening process, feeding the screened material into an air fiber separator, and separating fine fibers to obtain glue powder;
c: feeding the rubber powder into a colloid mill for grinding, and screening the ground rubber powder into superfine rubber powder through a vibrating screen;
s2: mixing 8 parts of superfine rubber powder, 4 parts of silicon carbide fine powder, 5 parts of talcum powder and 1 part of high-density graphite powder, uniformly stirring for 5 minutes by using stirring equipment, controlling the stirring temperature to be 65 ℃, and cooling after stirring to obtain a mixed additive;
s3: preparing a cloth-coated rubber material raw material, adding the cloth-coated rubber material raw material into an internal mixer, adding the mixed additive obtained in S2, mixing for 6 minutes in the internal mixer, and discharging rubber after mixing to obtain an improved cloth-coated rubber material;
s4: adding the improved wrapping cloth rubber material into a cold feed extruder for supplying rubber, adjusting the roller spacing and the width of a cut-off knife of a two-roller tablet press, and extruding rubber sheets with different thicknesses and widths;
s5: spraying a layer of viscosity reducer heated to 75 ℃ on the surface of the extruded rubber sheet, continuously hot-sticking the rubber sheet on the side of the radial tire, controlling the hot-sticking temperature at 70 ℃, continuously sticking the rubber sheet to the side of the tire by using a rubber sheet sticking and positioning device to ensure that the temperature of the rubber material of the side of the tire is consistent with that of the rubber sheet, and cooling the side of the tire.
Further, the particle size of the ultrafine powder obtained in S1 was 120 mesh.
Further, in S3, the mixing pressure of the internal mixer is 12Mpa, the temperature of the internal mixing chamber is 55 ℃, the rubber discharging temperature is 165 ℃,
further, the cooling method in S5 is cooling with spray water.
Further, the viscosity reducer in S5 was diluted with 30% deionized water.
Example 2:
a rubber tire production method based on rubber powder anti-sticking process technology comprises the following steps:
s1: the method for crushing and processing the superfine rubber powder by utilizing the waste rubber tires comprises the following specific operation steps:
a: cutting off a rim bead ring of the waste tire by using a ring cutting machine, cutting the waste tire with the rim bead ring cut off into strips with the thickness of 25mm by using a slitting machine, and cutting the cut strip-shaped rubber strips into blocks with the thickness of less than 25 x 25mm by using a dicer;
b: crushing the blocky glue into colloidal particles by a glue crusher, screening the colloidal particles by a magnetic separator set, screening out iron steel wires in the material by three magnetic separators in the screening process, feeding the screened material into an air fiber separator, and separating fine fibers to obtain glue powder;
c: feeding the rubber powder into a colloid mill for grinding, and screening the ground rubber powder into superfine rubber powder through a vibrating screen;
s2: mixing 10 parts of superfine rubber powder, 2 parts of silicon carbide fine powder, 6 parts of talcum powder and 2 parts of high-density graphite powder, uniformly stirring for 8 minutes by using stirring equipment, controlling the stirring temperature at 70 ℃, and cooling after stirring to obtain a mixed additive;
s3: preparing a cloth-coated rubber material raw material, adding the cloth-coated rubber material raw material into an internal mixer, adding the mixed additive obtained in S2, mixing for 7 minutes in the internal mixer, and discharging rubber after mixing to obtain an improved cloth-coated rubber material;
s4: adding the improved wrapping cloth rubber material into a cold feed extruder for supplying rubber, adjusting the roller spacing and the width of a cut-off knife of a two-roller tablet press, and extruding rubber sheets with different thicknesses and widths;
s5: spraying a layer of viscosity reducer heated to 80 ℃ on the surface of the extruded rubber sheet, continuously hot-sticking the rubber sheet on the side of the radial tire, controlling the hot-sticking temperature to be 75 ℃, continuously sticking the rubber sheet to the side of the tire by using a rubber sheet sticking and positioning device to ensure that the temperature of the rubber material of the side of the tire is consistent with that of the rubber sheet, and cooling the side of the tire.
Further, the ultrafine powder obtained in S1 had a particle size of 140 mesh.
Further, the mixing pressure of the internal mixer in S3 is 14Mpa, the temperature of the internal mixing chamber is 60 ℃, the rubber discharging temperature is 170 ℃,
further, the cooling method in S5 is cooling with spray water.
Further, the viscosity reducer in S5 is diluted with 35% deionized water.
Example 3:
a rubber tire production method based on rubber powder anti-sticking process technology comprises the following steps:
s1: the method for crushing and processing the superfine rubber powder by utilizing the waste rubber tires comprises the following specific operation steps:
a: cutting off a rim bead ring of the waste tire by using a ring cutting machine, cutting the waste tire with the rim bead ring cut off into strips with the thickness of 25mm by using a slitting machine, and cutting the cut strip-shaped rubber strips into blocks with the thickness of less than 25 x 25mm by using a dicer;
b: crushing the blocky glue into colloidal particles by a glue crusher, screening the colloidal particles by a magnetic separator set, screening out iron steel wires in the material by three magnetic separators in the screening process, feeding the screened material into an air fiber separator, and separating fine fibers to obtain glue powder;
c: feeding the rubber powder into a colloid mill for grinding, and screening the ground rubber powder into superfine rubber powder through a vibrating screen;
s2: mixing 12 parts of superfine rubber powder, 4 parts of silicon carbide fine powder, 5 parts of talcum powder and 3 parts of high-density graphite powder, uniformly stirring for 10 minutes by using stirring equipment, controlling the stirring temperature at 75 ℃, and cooling after stirring to obtain a mixed additive;
s3: preparing a cloth-coated rubber material raw material, adding the cloth-coated rubber material raw material into an internal mixer, adding the mixed additive obtained in S2, mixing for 8 minutes in the internal mixer, and discharging rubber after mixing to obtain an improved cloth-coated rubber material;
s4: adding the improved wrapping cloth rubber material into a cold feed extruder for supplying rubber, adjusting the roller spacing and the width of a cut-off knife of a two-roller tablet press, and extruding rubber sheets with different thicknesses and widths;
s5: spraying a layer of viscosity reducer heated to 85 ℃ on the surface of the extruded rubber sheet, continuously hot-sticking the rubber sheet on the side of the radial tire, controlling the hot-sticking temperature at 80 ℃, continuously sticking the rubber sheet to the side of the tire by using a rubber sheet sticking and positioning device to ensure that the temperature of the rubber material of the side of the tire is consistent with that of the rubber sheet, and cooling the side of the tire.
Further, the ultrafine powder obtained in S1 had a particle size of 150 mesh.
Further, in S3, the mixing pressure of the internal mixer is 15Mpa, the temperature of the internal mixing chamber is 65 ℃, the rubber discharging temperature is 175 ℃,
further, the cooling method in S5 is cooling with spray water.
Further, the viscosity reducer in S5 was diluted with 40% deionized water.
The three groups of embodiments can be used as the embodiments of the invention, wherein the embodiment 2 is the most preferable, the process of the invention is more scientific and reasonable, the ultramicro rubber powder is added in the formula of the traditional wrapping cloth rubber material, the ultramicro rubber powder is processed by waste tires, the environment-friendly performance is high, the added talcum powder and the viscosity reducer sprayed before hot pasting are matched, the quality problem of waste caused by too sticky wrapping cloth can be solved, the material cost is reduced, and the processing process problem existing on site is solved; the added silicon carbide fine powder can enhance the wear resistance and the anti-cracking performance of the wrapping cloth rubber material, and the added high-density graphite powder can increase the heat resistance of the wrapping cloth rubber material, so that the service life of the tire is prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A rubber tire production method based on rubber powder anti-sticking process technology is characterized by comprising the following steps:
s1: the method for crushing and processing the superfine rubber powder by utilizing the waste rubber tires comprises the following specific operation steps:
a: cutting off a rim bead ring of the waste tire by using a ring cutting machine, cutting the waste tire with the rim bead ring cut off into strips with the thickness of 25-30mm by using a slitting machine, and cutting the cut strip-shaped rubber strips into blocks with the thickness of less than 25 x 25mm by using a dicer;
b: crushing the blocky glue into colloidal particles by a glue crusher, screening the colloidal particles by a magnetic separator set, screening out iron steel wires in the material by three magnetic separators in the screening process, feeding the screened material into an air fiber separator, and separating fine fibers to obtain glue powder;
c: feeding the rubber powder into a colloid mill for grinding, and screening the ground rubber powder into superfine rubber powder through a vibrating screen;
s2: mixing 8-12 parts of superfine rubber powder, 2-4 parts of silicon carbide fine powder, 5-8 parts of talcum powder and 1-3 parts of high-density graphite powder, uniformly stirring for 5-10 minutes by using stirring equipment, controlling the stirring temperature to be 65-75 ℃, and cooling after stirring to obtain a mixed additive;
s3: preparing a cloth-coated rubber material raw material, adding the cloth-coated rubber material raw material into an internal mixer, adding the mixed additive obtained in S2, mixing for 6-8 minutes in the internal mixer, and discharging rubber after mixing to obtain an improved cloth-coated rubber material;
s4: adding the improved wrapping cloth rubber material into a cold feed extruder for supplying rubber, adjusting the roller spacing and the width of a cut-off knife of a two-roller tablet press, and extruding rubber sheets with different thicknesses and widths;
s5: spraying a layer of viscosity reducer heated to 75-85 ℃ on the surface of the extruded rubber sheet, continuously hot-sticking the rubber sheet on the side of the radial tire, controlling the hot-sticking temperature to be 70-80 ℃, continuously sticking the rubber sheet to the side of the tire by using a rubber sheet sticking and positioning device to enable the temperature of the side of the tire to be consistent with that of the rubber material of the rubber sheet, and cooling the side of the tire.
2. The rubber tire production method based on the rubber powder anti-sticking process technology as claimed in claim 1, characterized in that: the particle size of the superfine rubber powder obtained in the S1 is 120-150 meshes.
3. The rubber tire production method based on the rubber powder anti-sticking process technology as claimed in claim 1, characterized in that: the mixing pressure of the internal mixer in the S3 is 12-15Mpa, the temperature of the internal mixing chamber is 55-65 ℃, and the rubber discharge temperature is 165-175 ℃.
4. The rubber tire production method based on the rubber powder anti-sticking process technology as claimed in claim 1, characterized in that: the cooling method in S5 is spray water cooling.
5. The rubber tire production method based on the rubber powder anti-sticking process technology as claimed in claim 1, characterized in that: and the viscosity reducer in the S5 is diluted by 30-40% of deionized water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010867676.6A CN112060644A (en) | 2020-08-26 | 2020-08-26 | Rubber tire production method based on rubber powder anti-sticking process technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010867676.6A CN112060644A (en) | 2020-08-26 | 2020-08-26 | Rubber tire production method based on rubber powder anti-sticking process technology |
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| CN112060644A true CN112060644A (en) | 2020-12-11 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69928035D1 (en) * | 1998-03-11 | 2005-12-08 | Goodyear Tire & Rubber | Elastomer compound and its use in tires |
| CN103497522A (en) * | 2013-09-30 | 2014-01-08 | 翁晓娜 | Rubber modifier, preparation method of rubber modifier, rubber asphalt mixture and rubber asphalt |
| CN106117669A (en) * | 2016-06-30 | 2016-11-16 | 潍坊市跃龙橡胶有限公司 | A kind of All-steel radial tire sidewall rubber and the production technology of tyre side rubber sheet |
| CN107722411A (en) * | 2017-10-19 | 2018-02-23 | 青岛华诺金属制品有限公司 | A kind of method that Waste tire regeneration utilizes |
| CN110760262A (en) * | 2018-07-27 | 2020-02-07 | 中国石油化工股份有限公司 | Antibacterial non-cured rubber asphalt waterproof coating and preparation method thereof |
-
2020
- 2020-08-26 CN CN202010867676.6A patent/CN112060644A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69928035D1 (en) * | 1998-03-11 | 2005-12-08 | Goodyear Tire & Rubber | Elastomer compound and its use in tires |
| CN103497522A (en) * | 2013-09-30 | 2014-01-08 | 翁晓娜 | Rubber modifier, preparation method of rubber modifier, rubber asphalt mixture and rubber asphalt |
| CN106117669A (en) * | 2016-06-30 | 2016-11-16 | 潍坊市跃龙橡胶有限公司 | A kind of All-steel radial tire sidewall rubber and the production technology of tyre side rubber sheet |
| CN107722411A (en) * | 2017-10-19 | 2018-02-23 | 青岛华诺金属制品有限公司 | A kind of method that Waste tire regeneration utilizes |
| CN110760262A (en) * | 2018-07-27 | 2020-02-07 | 中国石油化工股份有限公司 | Antibacterial non-cured rubber asphalt waterproof coating and preparation method thereof |
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Application publication date: 20201211 |