CN113462037B - Titanate platelet rubber material for tire and preparation method thereof - Google Patents
Titanate platelet rubber material for tire and preparation method thereof Download PDFInfo
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- CN113462037B CN113462037B CN202110829285.XA CN202110829285A CN113462037B CN 113462037 B CN113462037 B CN 113462037B CN 202110829285 A CN202110829285 A CN 202110829285A CN 113462037 B CN113462037 B CN 113462037B
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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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- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/041—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
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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
Abstract
The invention discloses a titanate platelet rubber material for tires and a preparation method thereof, relates to the technical field of rubber materials, and comprises the following materials in parts by weight: 90-93 parts of natural rubber, 1-3 parts of antioxidant, 5-7 parts of accelerator, 1.7-1.9 parts of zinc oxide, 5-7 parts of copper inhibitor, 8-10 parts of talcum powder, 10-12 parts of carbon black, 20-22 parts of pine tar and 15-17 parts of titanate lamella. According to the titanate platelet rubber material for the tire and the preparation method thereof, different processing methods are carried out on different raw materials, for blocky natural rubber and flaky antioxidant, drying is very important for powder materials, otherwise caking is easy, uniform dispersion cannot be realized during mixing, bubbles can be generated during vulcanization, and therefore product quality is affected, for pine tar which is in a liquid state after being heated, the pine tar needs to be heated to the liquid state and then subjected to internal impurity removal processing, and the influence of impurities on the mixing process is prevented.
Description
Technical Field
The invention relates to the technical field of rubber materials, in particular to a titanate platelet rubber material for tires and a preparation method thereof.
Background
In order to adapt to various use conditions and obtain various properties, and also to improve the properties of rubber products and reduce the cost, different compounding agents must be added into raw rubber. Mixing is a process of mixing plasticated raw rubber and a compounding agent, placing the mixture in a rubber mixing mill, and completely and uniformly dispersing the compounding agent in the raw rubber through mechanical mixing. Mixing is an important process in the production process of rubber products, and if mixing is not uniform, the effects of rubber and compounding agents cannot be fully exerted, and the service performance of the product is influenced. The rubber material obtained after mixing is called as mixed rubber, is a semi-finished product material for manufacturing various rubber products, is commonly called as rubber material, is usually sold as a commodity, and can be directly processed, molded and vulcanized by purchasers to manufacture the required rubber products. According to different formulas, the rubber compound has a series of different brands and varieties with different properties, and selection is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a titanate platelet rubber material for a tire and a preparation method thereof, which solve the problems that organic matters are volatilized in the rubber mixing process, the organic matters pollute the environment, and how to control the mixing process according to the temperature and realize uniform mixing.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a titanate platelet rubber material for tires is composed of the following materials in parts by weight: 90-93 parts of natural rubber, 1-3 parts of antioxidant, 5-7 parts of accelerator, 1.7-1.9 parts of zinc oxide, 5-7 parts of copper inhibitor, 8-10 parts of talcum powder, 10-12 parts of carbon black, 20-22 parts of pine tar and 15-17 parts of titanate lamella.
A titanate platelet rubber material for tires is composed of the following materials in parts by weight: 92 parts of natural rubber, 2 parts of antioxidant, 6 parts of accelerator, 1.8 parts of zinc oxide, 6 parts of copper inhibitor, 9 parts of talcum powder, 11 parts of carbon black, 21 parts of pine tar and 16 parts of titanate lamella.
A preparation method of a titanate platelet rubber material for tires comprises the following steps:
step one, preparation of raw materials and ingredients, namely cutting and breaking natural rubber into small pieces through a breaker to form the raw materials; putting the flaky antioxidant into a crusher to be crushed to form a first ingredient; putting the powdery accelerant, zinc oxide, copper inhibitor, talcum powder, carbon black and titanate lamella crystal into a drying device for drying treatment to form a second ingredient; the pine tar is heated, melted, evaporated and filtered to obtain the third ingredient.
Plasticating, namely adding the raw materials into a plasticating machine, continuously stirring the materials during plasticating, setting the plasticating temperature at 130-150 ℃ until the raw materials are softened and uniformly mixed, and converting the natural rubber from a high-elasticity state into a plastic state;
step three, mixing, namely placing the plasticated raw materials into a mixing device, sequentially adding a first ingredient, a second ingredient and a third ingredient into a mixing machine, completely and uniformly dispersing the ingredients in the natural rubber through a mechanical mixing effect, performing different treatment methods on different raw materials, aiming at blocky natural rubber and flaky antioxidants, drying the blocky natural rubber and the flaky antioxidants, which are very important for powder materials, otherwise, the blocky natural rubber and the flaky antioxidants are easy to agglomerate and cannot be uniformly dispersed during mixing, and bubbles can be generated during vulcanization, so that the product quality is influenced;
and step four, mould pressing vulcanization molding, namely adding the mixed mixture into a vulcanization mould, filling a vulcanization bladder with high-pressure hot water, and converting the original easily-deformable state of the rubber material for the tire into an elastic state.
Preferably, the top of the mixing tank is fixedly connected with a motor, a rotating shaft at the output end of the motor is fixedly connected with a stirring mechanism, a feeding wall is fixedly connected to the upper position of the mixing tank, a connecting mechanism is lapped on the inner side surface of the mixing tank, a thread groove is formed in the bottom of the connecting mechanism, the connecting mechanism is connected with a mixing mechanism through the thread groove, and the problems that organic matters are volatilized in the rubber mixing process and pollute the environment and how to control the mixing process according to the temperature and realize uniform mixing are solved through the matched use of the mixing tank, the stirring mechanism, the mixing mechanism and the like;
the stirring mechanism comprises a connector, the top of the connector is fixedly connected with a rotating shaft of the output end of the motor, the fixed surface of the connector is fixedly connected with a fixed disk, the bottom of the fixed disk is fixedly connected with a stirring blade, one end of the stirring blade, far away from the fixed disk, is fixedly connected with the bottom of the connector, the inner side surface of the connector is rotatably connected with a rotating body, and the bottom of the rotating body is fixedly connected with heat expansion gel.
Preferably, the bottom fixedly connected with connecting rod of the gel that expands with heat, the bottom fixedly connected with inlay of connecting rod, the surface of connecting rod is rotated and is connected with the fixed body, realize the mixing process of temperature control through designing rabbling mechanism, after raw materials and batching put into mixing jar through the feeding wall, the motor drives the rabbling mechanism and rotates, the fixed disk drives stirring leaf stirring material, helical blade's stirring scope and stirring dynamics are sufficient, and simultaneously, the lift effect of spiral has reduced the influence of with the layer stirring, when the temperature rises because the frictional force that the stirring produced, the gel inflation that expands with heat, thereby drive the rotation of the certain angle of connecting rod, the inlay with connecting rod fixed connection is driven rotatoryly, because the fixed body rotates with the connecting rod to be connected, form the space between inlay and the fixed body, mixing gained material gets into mixing mechanism through the space.
Preferably, the mixing tank comprises a tank body, a limiting ring is fixedly connected to the upper position of the inner side surface of the tank body, an opening is formed in the lower position of the inner side surface of the tank body, an intercepting mechanism is fixedly connected to the inner side surface of the tank body, and a combined ring is fixedly connected to the bottom of the inner side surface of the tank body.
Preferably, the intercepting mechanism comprises an air pump, the top of the air pump is fixedly connected with the surface of the tank body, and the inner side surface of the tank body is fixedly connected with a curved sheet.
Preferably, the top fixedly connected with active carbon of curved plate, the bottom fixedly connected with water pipe of curved plate, the one end fixedly connected with matte piece that the active carbon was kept away from to the curved plate, when rabbling mechanism stirring material, the organic matter can be volatilized to the mixing in-process of rubber, these organic matters pass through aspiration pump and air vent, get into mixing jar and coupling mechanism's space, carry volatile organic matter and dust in the air current, the direction of motion of air current and the perpendicular surface of active carbon to adsorb the organic matter in the air current more efficiently, the dust that carries in the air current is intercepted by the matte piece, the fine hair on matte piece surface can enough adsorb the dust effectively, can also make the air current circulate, thereby flow circulation.
Preferably, the connecting mechanism comprises a lapping body, a lapping ring is fixedly connected to the top of the lapping body, and a vent hole is formed in the position above the lapping body.
Preferably, the mixing mechanism includes the mixing wall, the top fixedly connected with mixing disk of mixing wall medial surface, the medial surface fixedly connected with block of mixing wall, the fixed surface of mixing wall is connected with the heating ring, the combined material carries out the mixture of certain degree through the mixing disk, the bottom fixed connection block of mixing disk, after mixed gained material gets into the mixing mechanism through the space, the block is opposite with the flow direction of material, thereby it is more even to make the material mix ground, the colloid passes through the cooperation of rabbling mechanism and mixing mechanism and uses, the homogeneous mixing to raw materials and batching has been reached, when the installation, coupling mechanism installs through the top of mixing jar, carry out the overlap joint through spacing ring and connector, mixing mechanism installs through the below of mixing jar, the medial surface of mixing wall is connected through the thread groove with the surface of connector.
(III) advantageous effects
The invention provides a titanate platelet rubber material for tires and a preparation method thereof. The method has the following beneficial effects:
the titanate platelet rubber material for the tire and the preparation method thereof have the advantages that different processing methods are carried out on different raw materials, the drying is very important for the massive natural rubber and the flaky antioxidant for the powder material, otherwise, the raw materials are easy to agglomerate and cannot be uniformly dispersed during mixing, bubbles are generated during vulcanization, the product quality is influenced, the heated liquid pine tar needs to be subjected to internal impurity removal after being heated to be liquid, the influence of impurities on the mixing process is prevented, the main purpose of adding the pine tar into the ingredients is to reduce the blooming phenomenon generated by the rubber, namely, the movement of migrating to the surface of the rubber due to the supersaturation of the ingredients causes serious adverse influence on the using process of the rubber.
The titanate platelet rubber material for the tire and the preparation method thereof solve the problems that organic matters are volatilized in the rubber mixing process, the organic matters pollute the environment, the mixing process is controlled according to the temperature, and uniform mixing is realized by matching the mixing tank, the stirring mechanism, the mixing mechanism and other mechanisms.
The titanate crystal sheet rubber material for the tire and the preparation method thereof realize a temperature control mixing process by designing a stirring mechanism, after raw materials and ingredients are put into a mixing tank through a feeding wall, a motor drives the stirring mechanism to rotate, a fixed disc drives stirring blades to stir the materials, the stirring range and the stirring force of spiral blades are sufficient, meanwhile, the effect of stirring on the same layer is reduced by the lifting force action of a spiral, when the temperature rises due to the friction generated by stirring, thermal expansion gel expands, thereby driving the rotation of a connecting rod at a certain angle, an inlay fixedly connected with the connecting rod is driven to rotate, because a fixed body is rotatably connected with the connecting rod, a gap is formed between the inlay and the fixed body, and the mixed materials enter a mixing mechanism through the gap.
(IV), this titanate lamella rubber materials for tire and preparation method thereof, the mixing material carries out the mixing of certain degree through the hybrid disc, the bottom fixed connection block of hybrid disc, after mixed gained material gets into the mixing mechanism through the space after, the block is opposite with the flow direction of material, thereby make the material mix ground more even, the colloid passes through the cooperation of rabbling mechanism and mixing mechanism and uses, the homogeneous mixing to raw materials and batching has been reached, when the installation, coupling mechanism passes through the top installation of mixing jar, carry out the overlap joint through spacing ring and connector, the mixing mechanism installs through the below of mixing jar, the medial surface of mixing wall is connected with the surface of connector through the thread groove.
The titanate platelet rubber material for the tire and the preparation method thereof have the advantages that when the material is stirred by the stirring mechanism, organic matters can be volatilized in the rubber mixing process, the organic matters enter a gap between the mixing tank and the connecting mechanism through the air suction pump and the vent hole, the volatile organic matters and dust are carried in the air flow, the moving direction of the air flow is perpendicular to the surface of the active carbon, so that the organic matters in the air flow are adsorbed more efficiently, the dust carried in the air flow is intercepted by the suede blocks, and the fluff on the surfaces of the suede blocks can effectively adsorb the dust and can also enable the air flow to circulate, so that the flowing circulation is realized.
Drawings
FIG. 1 is a flow chart of the production process of the present invention;
FIG. 2 is a schematic structural view of an external entity of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the construction of a kneading tank according to the present invention;
FIG. 5 is an enlarged view of the structure of view A of the present invention;
FIG. 6 is a schematic view of the stirring mechanism of the present invention;
FIG. 7 is a schematic view of the connection mechanism of the present invention;
fig. 8 is a schematic structural diagram of the mixing mechanism of the present invention.
In the figure: 1. a mixing tank; 2. a stirring mechanism; 3. a feed wall; 4. a connecting mechanism; 5. a mixing mechanism; 11. a tank body; 12. a limiting ring; 13. opening a hole; 14. an interception mechanism; 15. a combination ring; 141. an air pump; 142. a curved surface sheet; 143. activated carbon; 144. a water pipe; 145. a pile face block; 21. a linker; 22. fixing the disc; 23. stirring blades; 24. a rotating body; 25. thermally swelling the gel; 26. a connecting rod; 27. an inlay; 28. a fixed body; 41. a lap joint body; 42. a lap joint ring; 43. a vent hole; 51. a mixing wall; 52. a mixing tray; 53. a block body; 54. and heating the ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 one
The invention provides a technical scheme that: a titanate platelet rubber material for tires is composed of the following materials in parts by weight: 90 parts by mass of natural rubber, 1 part by mass of antioxidant, 5 parts by mass of accelerator, 1.7 parts by mass of zinc oxide, 5 parts by mass of copper inhibitor, 8 parts by mass of talcum powder, 10 parts by mass of carbon black, 20 parts by mass of pine tar and 15 parts by mass of titanate lamella.
A preparation method of a titanate platelet rubber material for tires comprises the following steps:
step one, preparation of raw materials and ingredients, namely cutting and breaking natural rubber into small pieces through a breaker to form the raw materials; putting the flaky antioxidant into a crusher for crushing to form a first ingredient; putting the powdery accelerator, zinc oxide, copper inhibitor, talcum powder, carbon black and titanate lamella crystal into a drying device for drying treatment to form a second ingredient; the pine tar is heated, melted, evaporated and filtered to form the third material.
Plasticating, namely adding the raw materials into a plasticating machine, continuously stirring the materials during plasticating, setting the plasticating temperature at 130 ℃ until the raw materials are softened and uniformly mixed, and converting the natural rubber from a high-elasticity state into a plastic state;
step three, mixing, namely placing the plasticated raw materials into a mixing device, sequentially adding a first ingredient, a second ingredient and a third ingredient into a mixing roll, and completely and uniformly dispersing the ingredients in the natural rubber through a mechanical mixing effect;
and step four, mould pressing vulcanization molding, namely adding the mixed mixture into a vulcanization mould, filling a vulcanization bladder with high-pressure hot water, and converting the original easily-deformable state of the rubber material for the tire into an elastic state.
Example two
The invention provides a technical scheme that: a titanate platelet rubber material for tires is composed of the following materials in parts by weight: 92 parts by mass of natural rubber, 2 parts by mass of an antioxidant, 6 parts by mass of a promoter, 1.8 parts by mass of zinc oxide, 6 parts by mass of a copper inhibitor, 9 parts by mass of talcum powder, 11 parts by mass of carbon black, 21 parts by mass of pine tar and 16 parts by mass of titanate platelets.
A preparation method of a titanate platelet rubber material for tires comprises the following steps:
step one, preparation of raw materials and ingredients, namely cutting and breaking natural rubber into small pieces through a breaker to form the raw materials; putting the flaky antioxidant into a crusher for crushing to form a first ingredient; putting the powdery accelerant, zinc oxide, copper inhibitor, talcum powder, carbon black and titanate lamella crystal into a drying device for drying treatment to form a second ingredient; the pine tar is heated, melted, evaporated and filtered to form the third material.
Plasticating, namely adding the raw materials into a plasticating machine, continuously stirring the materials during plasticating, setting the plasticating temperature at 140 ℃ until the raw materials are softened and uniformly mixed, and converting the natural rubber from a high-elasticity state into a plastic state;
step three, mixing, namely placing the plasticated raw materials into a mixing device, sequentially adding a first ingredient, a second ingredient and a third ingredient into a mixing roll, and completely and uniformly dispersing the ingredients in the natural rubber through a mechanical mixing effect;
and step four, mould pressing vulcanization molding, namely adding the mixed mixture into a vulcanization mould, filling a vulcanization bladder with high-pressure hot water, and converting the original easily-deformable state of the rubber material for the tire into an elastic state.
EXAMPLE III
The invention provides a technical scheme that: a titanate platelet rubber material for tires is composed of the following materials in parts by weight: 93 parts by mass of natural rubber, 3 parts by mass of an antioxidant, 7 parts by mass of an accelerator, 1.9 parts by mass of zinc oxide, 7 parts by mass of a copper inhibitor, 10 parts by mass of talcum powder, 12 parts by mass of carbon black, 22 parts by mass of pine tar and 17 parts by mass of titanate platelets.
A preparation method of a titanate platelet rubber material for tires comprises the following steps:
step one, preparation of raw materials and ingredients, namely cutting and breaking natural rubber into small pieces through a breaker to form the raw materials; putting the flaky antioxidant into a crusher for crushing to form a first ingredient; putting the powdery accelerant, zinc oxide, copper inhibitor, talcum powder, carbon black and titanate lamella crystal into a drying device for drying treatment to form a second ingredient; the pine tar is heated, melted, evaporated and filtered to obtain the third ingredient.
Plasticating, namely adding the raw materials into a plasticating machine, continuously stirring the materials during plasticating, setting the plasticating temperature at 150 ℃ until the raw materials are softened and uniformly mixed, and converting the natural rubber from a high-elasticity state into a plastic state;
step three, mixing, namely placing the plasticated raw materials into a mixing device, sequentially adding a first ingredient, a second ingredient and a third ingredient into a mixing roll, and completely and uniformly dispersing the ingredients in the natural rubber through a mechanical mixing effect;
and step four, mould pressing vulcanization molding, namely adding the mixed mixture into a vulcanization mould, filling a vulcanization bladder with high-pressure hot water, and converting the original easily-deformable state of the rubber material for the tire into an elastic state.
Example four
As shown in fig. 1-5, the present invention provides a technical solution: a preparation method of a titanate lamella rubber material for tires comprises a mixing tank 1, wherein the top of the mixing tank 1 is fixedly connected with a motor, a rotating shaft at the output end of the motor is fixedly connected with a stirring mechanism 2, a feeding wall 3 is fixedly connected to the upper position of the mixing tank 1, a connecting mechanism 4 is lapped on the inner side surface of the mixing tank 1, the bottom of the connecting mechanism 4 is provided with a thread groove, and the connecting mechanism 4 is connected with a mixing mechanism 5 through the thread groove;
organic matters can volatilize in the rubber mixing process, the organic matters pass through the air suction pump 141 and the air vent 43 and enter a gap between the mixing tank 1 and the connecting mechanism 4, volatile organic matters and dust are carried in air flow, the movement direction of the air flow is perpendicular to the surface of the activated carbon 143, so that the organic matters in the air flow are adsorbed more efficiently, the dust carried in the air flow is intercepted by the suede blocks 145, fluff on the surface of the suede blocks 145 can effectively adsorb the dust, the air flow can circulate, the mixing tank 1 comprises a tank body 11, a limiting ring 12 is fixedly connected to the upper position of the inner side surface of the tank body 11, an opening 13 is formed in the lower position of the inner side surface of the tank body 11, an intercepting mechanism 14 is fixedly connected to the inner side surface of the tank body 11, the intercepting mechanism 14 comprises the air suction pump 141, the top of the air suction pump 141 is fixedly connected with the surface of the tank body 11, a curved sheet 142 is fixedly connected to the inner side surface of the tank body 11, the top of the curved sheet 142 is fixedly connected with the activated carbon 143, a water pipe 144 is fixedly connected to the bottom of the curved sheet 142, one end of the curved sheet 142, which is far away from the activated carbon 143, and a combined ring 15 is fixedly connected to the bottom of the inner side surface of the tank body 11.
EXAMPLE five
As shown in fig. 6, the present invention provides a technical solution: a preparation method of a titanate platelet rubber material for tires comprises the following steps: the mixing device comprises a mixing tank 1, wherein the top of the mixing tank 1 is fixedly connected with a motor, a rotating shaft at the output end of the motor is fixedly connected with a stirring mechanism 2, a feeding wall 3 is fixedly connected to the upper position of the mixing tank 1, a connecting mechanism 4 is lapped on the inner side surface of the mixing tank 1, a thread groove is formed in the bottom of the connecting mechanism 4, and the connecting mechanism 4 is connected with a mixing mechanism 5 through the thread groove;
after raw materials and ingredients are put into the mixing tank 1 through the feeding wall 3, the motor drives the stirring mechanism 2 to rotate, the fixed disc 22 drives the stirring blades 23 to stir the materials, the stirring range and the stirring force of the spiral blades are sufficient, meanwhile, the lifting force effect of the spiral reduces the influence of stirring of the same layer, the stirring mechanism 2 comprises a connecting body 21, the top of the connecting body 21 is fixedly connected with a rotating shaft of the output end of the motor, the surface of the connecting body 21 is fixedly connected with the fixed disc 22, the bottom of the fixed disc 22 is fixedly connected with the stirring blades 23, one end, far away from the fixed disc 22, of the stirring blades 23 is fixedly connected with the bottom of the connecting body 21, the inner side face of the connecting body 21 is rotatably connected with a rotating body 24, the bottom of the rotating body 24 is fixedly connected with thermal expansion gel 25, the bottom of the thermal expansion gel 25 is fixedly connected with a connecting rod 26, the bottom of the connecting rod 26 is fixedly connected with an inlay 27, the surface of the connecting rod 26 is rotatably connected with a fixing body 28, when the friction force generated by stirring is increased, the thermal expansion gel 25 expands to drive the connecting rod 26 to rotate at a certain angle, the inlay 27 fixedly connected with the connecting rod 26 is driven to rotate, and the inlay 27 is formed between the fixing body 28 and the inlay 5 enters the obtained mixed materials through a gap through the mixing mechanism 5.
The working principle of the mixing device is as follows: according to the preparation method of the titanate platelet rubber material for the tire, through the matched use of the mixing tank 1, the stirring mechanism 2, the mixing mechanism 5 and other mechanisms, the problems that organic matters are volatilized in the rubber mixing process, the environment is polluted by the organic matters, the mixing process is controlled according to the temperature, and the uniform mixing is realized are solved.
After raw materials and ingredients are put into the mixing tank 1 through the feeding wall 3, the motor drives the stirring mechanism 2 to rotate, the fixed disc 22 drives the stirring blades 23 to stir the materials, the stirring range and the stirring force of the spiral blades are sufficient, meanwhile, the lifting force effect of the spiral reduces the influence of stirring of the same layer, when the temperature is increased due to the friction force generated by stirring, the thermal expansion gel 25 expands, so that the connecting rod 26 is driven to rotate at a certain angle, the inlay 27 fixedly connected with the connecting rod 26 is driven to rotate, a gap is formed between the inlay 27 and the fixing body 28 due to the fact that the fixing body 28 is rotatably connected with the connecting rod 26, and the materials obtained by mixing enter the mixing mechanism 5 through the gap.
After the material obtained by mixing gets into mixing mechanism 5 through the space, the flow direction of block 53 and material is opposite, thereby make the material mix ground more evenly, the colloid passes through the cooperation of rabbling mechanism 2 and mixing mechanism 5 and uses, the homogeneous mixing to raw materials and batching has been reached, when the installation, coupling mechanism 4 passes through the top installation of mixing jar 1, carry out the overlap joint through spacing ring 12 and connector 21, mixing mechanism 5 installs through the below of mixing jar 1, the medial surface of mixing wall 51 is connected with the surface of connector 21 through the thread groove.
When the stirring mechanism 2 stirs materials, organic matters are volatilized in the rubber mixing process, the organic matters enter a gap between the mixing tank 1 and the connecting mechanism 4 through the air suction pump 141 and the vent hole 43, the volatile organic matters and dust are carried in the air flow, the moving direction of the air flow is perpendicular to the surface of the activated carbon 143, so that the organic matters in the air flow are more efficiently adsorbed, the dust carried in the air flow is intercepted by the suede blocks 145, and fluff on the surfaces of the suede blocks 145 can effectively adsorb the dust and enable the air flow to circulate, so that the flow circulation is realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element described by the phrase "comprising a. -" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (1)
1. A titanate platelet rubber material for tires is characterized in that: the material composition comprises the following materials in parts by weight: 90-93 parts of natural rubber, 1-3 parts of antioxidant, 5-7 parts of accelerator, 1.7-1.9 parts of zinc oxide, 5-7 parts of copper inhibitor, 8-10 parts of talcum powder, 10-12 parts of carbon black, 20-22 parts of pine tar and 15-17 parts of titanate platelet, 92 parts of natural rubber, 2 parts of antioxidant, 6 parts of accelerator, 1.8 parts of zinc oxide, 6 parts of copper inhibitor, 9 parts of talcum powder, 11 parts of carbon black, 21 parts of pine tar and 16 parts of titanate platelet;
the method comprises the following steps:
step one, preparing raw materials and ingredients, namely cutting and breaking natural rubber into small pieces through a breaker to form the raw materials; putting the flaky antioxidant into a crusher to be crushed to form a first ingredient; putting the powdery accelerant, zinc oxide, copper inhibitor, talcum powder, carbon black and titanate lamella crystal into a drying device for drying treatment to form a second ingredient; heating, melting, evaporating water and filtering impurities to form a third ingredient;
plasticating, namely adding the raw materials into a plasticating machine, continuously stirring the materials during plasticating, setting the plasticating temperature at 130-150 ℃ until the raw materials are softened and uniformly mixed, and converting the natural rubber from a high-elasticity state into a plastic state;
step three, mixing, namely placing the plasticated raw materials into a mixing device, sequentially adding a first ingredient, a second ingredient and a third ingredient into a mixing roll, and completely and uniformly dispersing the ingredients in the natural rubber through a mechanical mixing effect;
step four, mold pressing vulcanization molding, namely adding the mixed material into a vulcanization mold, filling a vulcanization liner filled with high-pressure hot water, and converting the original deformable state of the rubber material for the tire into an elastic state, wherein the mixing device comprises a mixing tank (1), the top of the mixing tank (1) is fixedly connected with a motor, a rotating shaft at the output end of the motor is fixedly connected with a stirring mechanism (2), a feeding wall (3) is fixedly connected to the upper position of the mixing tank (1), a connecting mechanism (4) is lapped on the inner side surface of the mixing tank (1), a thread groove is formed in the bottom of the connecting mechanism (4), and the connecting mechanism (4) is connected with a mixing mechanism (5) through the thread groove;
the stirring mechanism (2) comprises a connector (21), the top of the connector (21) is fixedly connected with a rotating shaft of a motor output end, the surface of the connector (21) is fixedly connected with a fixed disc (22), the bottom of the fixed disc (22) is fixedly connected with a stirring blade (23), one end of the stirring blade (23), which is far away from the fixed disc (22), is fixedly connected with the bottom of the connector (21), the inner side surface of the connector (21) is rotatably connected with a rotor (24), the bottom of the rotor (24) is fixedly connected with a thermal expansion gel (25), the bottom of the thermal expansion gel (25) is fixedly connected with a connecting rod (26), the bottom of the connecting rod (26) is fixedly connected with an inlay (27), the surface of the connecting rod (26) is rotatably connected with a fixing body (28), the mixing pot (1) comprises a pot body (11), the upper position of the inner side surface of the pot body (11) is fixedly connected with a limiting ring (12), the lower position of the pot body (11) is provided with a hole (13), the inner side surface of the pot body (11) is provided with an interception mechanism (14), the bottom of the inner side surface of the pot body (11) is fixedly connected with an interception combination ring (15), the interception mechanism (14) comprises a top of the inner side surface of the pot body (11), and an extraction pump (141), and a suction pump (141) is connected with a suction pump mechanism (141), the utility model discloses a jar body, including jar body (11), medial surface fixedly connected with curved plate (142), the top fixedly connected with active carbon (143) of curved plate (142), bottom fixedly connected with water pipe (144) of curved plate (142), one end fixedly connected with matte piece (145) of active carbon (143) are kept away from curved plate (142), coupling mechanism (4) are including overlap joint body (41), top fixedly connected with overlap joint ring (42) of overlap joint body (41), air vent (43) have been seted up to the top position of overlap joint body (41), mixing mechanism (5) are including mixing wall (51), top position fixedly connected with hybrid disc (52) of mixing wall (51) medial surface, medial surface fixedly connected with block (53) of mixing wall (51), the fixed surface of mixing wall (51) is connected with heating ring (54).
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| CN202110829285.XA CN113462037B (en) | 2021-07-22 | 2021-07-22 | Titanate platelet rubber material for tire and preparation method thereof |
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| CN113462037B true CN113462037B (en) | 2023-02-28 |
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