CN110254136B - Puncture-proof electric motor car tire and production method thereof - Google Patents
Puncture-proof electric motor car tire and production method thereof Download PDFInfo
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- CN110254136B CN110254136B CN201910388635.6A CN201910388635A CN110254136B CN 110254136 B CN110254136 B CN 110254136B CN 201910388635 A CN201910388635 A CN 201910388635A CN 110254136 B CN110254136 B CN 110254136B
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- 239000012790 adhesive layer Substances 0.000 claims abstract description 104
- 239000010410 layer Substances 0.000 claims abstract description 104
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- 230000008569 process Effects 0.000 claims abstract description 11
- 229920001971 elastomer Polymers 0.000 claims description 89
- 239000003292 glue Substances 0.000 claims description 26
- 239000002131 composite material Substances 0.000 claims description 23
- 229920005989 resin Polymers 0.000 claims description 20
- 239000011347 resin Substances 0.000 claims description 20
- 239000011324 bead Substances 0.000 claims description 18
- 229920000297 Rayon Polymers 0.000 claims description 17
- 239000012744 reinforcing agent Substances 0.000 claims description 17
- 238000004073 vulcanization Methods 0.000 claims description 17
- 239000003208 petroleum Substances 0.000 claims description 16
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 12
- 229920000459 Nitrile rubber Polymers 0.000 claims description 12
- 239000012190 activator Substances 0.000 claims description 12
- 239000006229 carbon black Substances 0.000 claims description 12
- 229920003244 diene elastomer Polymers 0.000 claims description 12
- 239000012760 heat stabilizer Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000005011 phenolic resin Substances 0.000 claims description 12
- 229920001568 phenolic resin Polymers 0.000 claims description 12
- 239000000049 pigment Substances 0.000 claims description 12
- 229920001195 polyisoprene Polymers 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
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- 239000011265 semifinished product Substances 0.000 claims description 6
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Classifications
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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)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
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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)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/02—Carcasses
- B60C9/04—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L15/00—Compositions of rubber derivatives
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Tires In General (AREA)
Abstract
The utility model discloses an anti-puncture electric motor car tire, which belongs to the technical field of tire production and comprises a tire body, wherein the tire body comprises a surface adhesive layer (1) and a side adhesive layer (2), a supporting adhesive layer (12) is arranged on the inner sides of the surface adhesive layer (1) and the side adhesive layer (2), a ply (13) is arranged on the inner sides of the supporting adhesive layer (12), an airtight layer I (31) and an airtight layer II (32) are arranged on the inner surface of the tire body, and an adhesive layer (4) which deforms along with the stress direction of a sharp object and is adhered to the sharp object is arranged between the two airtight layers; the production method is provided with a process of manufacturing the adhesive layer, and the adhesive layer (4) is placed between two airtight layers; the electric vehicle tire manufactured by the utility model can effectively prevent the electric vehicle from being punctured in the running process, has the puncture-proof function, is beneficial to running safety and improves the quality of products.
Description
Technical Field
The utility model belongs to the technical field of tire production, and particularly relates to an electric vehicle tire with a puncture and leakage preventing function and a production method of the electric vehicle tire.
Background
The electric vehicle is used as a transportation means for daily travel of the common people, and is quite popular at present. The tyre of the electric vehicle is used as a main component of the electric vehicle, is indispensable in the structure of the electric vehicle, is mainly used for supporting the vehicle body, transmits torque under the action of a power mechanism to drive the electric vehicle to move, and meanwhile, has buffering performance. At present, the electric vehicle tire is mainly made of rubber, and the tire is in direct contact with the ground and rubs with the ground when the electric vehicle runs, so that the tire also has the characteristics of high wear resistance and flexibility. In the running process of the electric vehicle, certain air pressure must be ensured, if a sharp object punctures during running, the running safety is affected due to the occurrence of air leakage phenomenon, and the vehicle cannot run.
The utility model discloses an electric vehicle tire in China, which is disclosed in the patent application No. 201820781686.6, on the 24 th day of 05 th year of 2018, and comprises a tire body rubber layer, a curtain yarn layer and a fixing ring, wherein the tire body rubber layer comprises a surface rubber layer, a first buffer rubber layer, a support rubber layer and a second buffer rubber layer which are arranged from outside to inside, and the first buffer rubber layer and the second buffer rubber layer are made of sticky and buffer materials; the curtain yarn layer is arranged on the inner side of the second buffer adhesive layer; the curtain yarn layer both ends respectively bypass the retainer plate of fastening tire bead, above-mentioned tire can promote the integrated strength between surface glue film and the supporting glue film and between supporting glue film and the curtain yarn layer, reduce the probability of delaminating, separation, ensure the durability and the life and the promotion travelling comfort of electric motor car tire, can improve the rigidity and the load performance of tire, satisfy self-supporting performance, realize that the tire is inflated and is exempted from to inflate the condition and all can normal use.
The utility model discloses an antifriction electric vehicle tire in China, with application number 201721094492.0, on the application date 2017 and 08 and 30, and comprises a tire body, a first side wall and a second side wall, wherein the surface of the tire body is provided with a tire tread, a plurality of tire shoulders are arranged in the tire tread, a first protective layer is arranged at the bottom end of each tire shoulder, a second protective layer is arranged at the bottom end of each first protective layer, a cord layer is arranged at the bottom end of each second protective layer, a tire inner wall is arranged at the bottom end of each cord layer, a first filling layer and a second filling layer are arranged at the bottom end of each tire inner wall, a rubber layer is arranged on the surface of each first filling layer, and a buffer layer is arranged at the top end of each rubber layer.
The tire has no puncture-proof function, and if the tire is punctured, air leakage occurs, so that the running of the vehicle is influenced. Therefore, how to provide a tire with effective puncture and air leakage prevention is of great significance for driving safety improvement.
Disclosure of Invention
The utility model aims to solve the technical problem that the electric vehicle tire in the prior art cannot prevent puncture leakage, and provides the puncture-proof electric vehicle tire which can prevent the electric vehicle from having an air leakage prevention effect under the condition that the electric vehicle is punctured by a sharp object.
Meanwhile, the utility model also provides a production method of the puncture-proof electric motor car tire, so that the production efficiency is improved, and the quality of products is improved.
In order to solve the technical problems, the utility model provides an anti-puncture electric motor car tire, which comprises a tire body, wherein the tire body comprises a surface adhesive layer positioned on the surface of the tire and a side adhesive layer positioned on the side surface of the tire, tread adhesive is arranged at the outermost side of the surface adhesive layer, supporting adhesive layers are arranged at the inner sides of the surface adhesive layer and the side adhesive layer, a ply layer is arranged at the inner side of the supporting adhesive layer, a bead ring is arranged in a bead of the side adhesive layer, an airtight layer is arranged on the inner surface of the tire body, the airtight layer is arranged into two layers, namely an airtight layer I and an airtight layer II, the airtight layer I is contacted with the ply layer, and an adhesive layer which deforms along with the stress direction of a sharp object and is adhered to the sharp object is arranged between the two airtight layers. The electric vehicle tire manufactured by the utility model has the advantages that no matter what sharp object is penetrated into the surface adhesive layer of the tire or the side adhesive layer of the tire, the adhesive layer can be deformed along with the sharp object to prevent the risk of being penetrated due to certain flexibility and viscosity, and meanwhile, the adhesive layer can wrap the sharp object and achieve the sealing and air leakage preventing functions through being matched with the airtight layer.
As a further improvement of the present utility model, in the above-mentioned puncture-proof electric motor car tire, the adhesive layer is disposed between two air barriers at the surface adhesive layer.
As another improvement measure of the utility model, the anti-puncture and anti-leakage motor vehicle tire is characterized in that the adhesive layers are arranged between the two airtight layers at the inner sides of the surface adhesive layer and the side adhesive layer, and the tire is smaller due to the influence of ground road conditions in the running process of the motor vehicle, and the side adhesive layer is also easily punctured by sharp objects, so that the adhesive layers are arranged between the two airtight layers at the inner sides of the surface adhesive layer and the side adhesive layer, and each part of the tire has the anti-puncture and anti-leakage function. Because the electric motor car generally receives the speed limit, the speed of traveling on general highway can not be too fast, and the tire ratio of electric motor car is little, and viscose layer quantity is little, can not influence the dynamic balance of tire, consequently can all set up the viscose layer between the two-layer inner liner of surface glue film and side glue film, plays omnidirectional protect function like this. The puncture-proof electric vehicle tire is essentially different from the puncture-proof electric vehicle tire, and because the vehicle tire is relatively large, sharp objects on the ground seldom puncture the side surface of the tire, the adhesive layer is not required to be placed on the side surface adhesive layer of the vehicle tire, and because the vehicle runs on a road at a high speed, if the adhesive layer is arranged on the side surface adhesive layer, when the temperature is too high, the adhesive layer deforms, the dynamic balance of the tire is influenced, and the safety performance of the vehicle is influenced.
As a further improvement of the present utility model, in the puncture-proof electric motor car tire, the thickness of the center of the adhesive layer is 3 mm to 7 mm.
As a further improvement measure of the utility model, in the puncture-proof electric motor car tire, the thickness of the two sides of the adhesive layer is slightly smaller, so that the airtight layers on the two sides are favorably combined tightly.
As a further improvement measure of the utility model, the puncture-proof electric motor car tire is characterized in that the adhesive layer is made of polymer memory rubber, and the polymer memory rubber comprises the following components in parts by weight: 135-160 parts of hydrogenated liquid polyisoprene rubber, 50-60 parts of nitrile rubber, 75-85 parts of C5/C9 composite petroleum resin, 30-38 parts of phenolic resin, 10-13 parts of carbon black, 12-13 parts of heat stabilizer, 6-8 parts of activator, 8-10 parts of reinforcing agent, 8-13 parts of filler, 30-50 parts of diene rubber, 40-50 parts of composite, 4-8 parts of essence and 3-5 parts of pigment.
The utility model also provides a production method of the puncture-proof electric motor car tire, which comprises the following steps: step A), tread rubber and side rubber manufacturing process: mixing rubber with activator, operation oil, reinforcing agent, anti-aging agent, vulcanizing agent, etc. to obtain tread rubber and side rubber, putting the tread rubber and side rubber into extruder, and pressing into tread rubber and side rubber layer with certain space shape.
Step B), a bead ring manufacturing process: the steel wire is pressed into rubber to form a bead ring with fine steel wires in the rubber.
Step C) manufacturing an airtight layer: the compact rubber is pressed into an inner liner having a certain width and thickness according to the width of the inner side surface of the tire.
Step D) adhesive layer manufacturing process: weighing 135-160 parts of hydrogenated liquid polyisoprene rubber, 50-60 parts of nitrile rubber, 75-85 parts of C5/C9 composite petroleum resin, 30-38 parts of phenolic resin, 10-13 parts of carbon black, 12-13 parts of heat stabilizer, 6-8 parts of activator, 8-10 parts of reinforcing agent, 8-13 parts of filler, 30-50 parts of diene rubber, 40-50 parts of complex, 4-8 parts of essence and 3-5 parts of pigment according to parts by weight; putting nitrile rubber, a complex, an activating agent and a heat stabilizer into a reaction kettle, regulating the rotating speed, and heating to obtain a mixed solution; adding hydrogenated liquid polyisoprene rubber, C5/C9 composite petroleum resin, phenolic resin and diene rubber into the mixed solution, increasing the rotating speed and raising the temperature again, simultaneously reducing the pressure in the kettle, adding carbon black, reinforcing agent and filler, and illuminating in the kettle to obtain a semi-finished product of the memory rubber; essence and pigment are added into the semi-finished product of the memory rubber, stirring is uniform, the adhesive layer is obtained through cooling by an adhesive layer cooling device, in the process, the C5/C9 composite petroleum resin is used, the adhesive strength is high, the quick-adhesion property is good, the adhesive property is stable, the melt viscosity is moderate, the heat resistance is good, the adhesive is compatible with natural rubber particles, the natural rubber is tackified, reinforced and softened, meanwhile, the rubber vulcanization process is not greatly influenced, the adhesive force between rubber particles can be increased by the C5/C9 composite petroleum resin, and the air tightness can be improved.
Step E) tire building process: and sequentially placing the manufactured second airtight layer, the adhesive layer, the first airtight layer, the supporting adhesive layer, the side adhesive layer, the tread rubber, the bead ring and the like on a tread winding machine to form a tire tread, placing the tire tread on a forming drum, and forming a tire blank by inflation and jacking.
Step F) vulcanization process: the preformed embryo is placed in a vulcanizing tank for vulcanization, and the linear macromolecules of the rubber in the tire are converted into a three-dimensional net structure through vulcanization.
Step G) cooling procedure: and cooling the vulcanized tire to finish the production of the tire.
As a further improvement measure of the utility model, in the step E of preparing the adhesive layer, the production method comprises 152-156 parts of hydrogenated liquid polyisoprene rubber, 52-66 parts of nitrile rubber, 80-82 parts of C5/C9 composite petroleum resin, 32-36 parts of phenolic resin, 12-13 parts of carbon black, 12-13 parts of heat stabilizer, 6-7 parts of activator, 8-9 parts of reinforcing agent, 9-12 parts of filler, 38-45 parts of diene rubber, 42-46 parts of complex, 5-6 parts of essence and 3-5 parts of pigment.
As a further improvement of the present utility model, in the above production method, in the step G vulcanization process, the vulcanization temperature is set to 160℃to 170℃and the vulcanization time is set to 15 to 25 minutes. Since the composition of each rubber in a tire is different in temperature resistance, the vulcanization temperature and vulcanization time have an important effect on improving the rubber properties in the tire.
Compared with the prior art, the utility model has the beneficial effects that: 1. the puncture-proof electric motor car tire manufactured by the utility model has the advantages that as the adhesive layer is arranged, under the condition that the surface or the side surface of the tire is punctured by a sharp object, the adhesive layer can deform along with the sharp object to the inside of the tire and cannot be punctured, meanwhile, the adhesive layer can wrap the sharp object, and the surface adhesive layer and the other parts which are punctured by the sharp object are blocked, so that the air leakage of the tire is prevented, and the air leakage phenomenon caused by the puncture in the running process of the electric motor car can be effectively prevented.
2. When the sharp object is taken out, the adhesive layer can automatically restore to the original state and plug the pores which are penetrated by the sharp object, thereby achieving the effect of preventing air leakage.
3. The production method of the puncture-proof electric motor car tire can effectively change the structural characteristics of the tire by adding the adhesive layer in the product on the premise of not changing the prior production technical conditions, so that the tire has the puncture-proof function and the quality of the product is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of an anti-puncture electric vehicle tire according to the present utility model.
FIG. 2 is a schematic diagram of a method of producing an anti-puncture electric vehicle tire according to the present utility model.
Reference numerals illustrate: 1-surface adhesive layer, 11-tread rubber, 12-supporting adhesive layer, 13-ply, 2-side adhesive layer, 21-bead ring, 31-inner liner one, 32-inner liner two, 4-adhesive layer.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
On the contrary, the utility model is intended to cover any alternatives, modifications, equivalents, and variations as may be included within the spirit and scope of the utility model as defined by the appended claims. Further, in the following detailed description of the present utility model, certain specific details are set forth in order to provide a better understanding of the present utility model. The present utility model will be fully understood by those skilled in the art without the details described herein.
Embodiment 1, an anti-puncture electric motor car tire as shown in fig. 1, including the tire body, the tire body including be located the surface glue film 1 of tire surface and be located the side glue film 2 of tire side, be provided with tread rubber 11 in the outermost of surface glue film 1, set up support glue film 12 in the inboard of surface glue film 1 and side glue film 2, set up ply 13 in support glue film 12 inboard, set up bead ring 21 in the tire bead of side glue film 2, set up the inner surface at the tire body, the inner liner sets up to two-layer, inner liner one 31 and inner liner two 32 promptly, inner liner one 31 and ply 13 contact, be provided with between two-layer inner liner along with sharp object's atress direction take place deformation and with sharp object pasting viscose layer 4. The adhesive layer 4 is arranged between the two airtight layers below the surface adhesive layer 1, the thickness of the center of the adhesive layer 4 is 4 mm, and the thickness of the two sides of the adhesive layer 4 is gradually thinned, so that the airtight layer I31 and the airtight layer II 32 can be in close contact with the adhesive layer 4. By the arrangement of the structure, after the tread rubber 11, the supporting rubber layer 12, the ply 13 and the first airtight layer 31 of the surface rubber layer are all pierced by sharp objects, when the sharp objects pierce the adhesive layer 4 again, the adhesive layer 4 can deform along with the stress direction of the sharp objects and be adhered to the sharp objects, and the adhesive layer 4 has viscosity and toughness, so that the adhesive layer cannot be pierced, and meanwhile, the second airtight layer 32 also deforms along with the deformation, so that the second airtight layer 32 and the adhesive layer 4 are tightly adhered to each other, and gas leakage can be prevented.
The adhesive layer 4 is made of polymer memory rubber, and the polymer memory rubber comprises the following components in parts by weight: 135 parts of hydrogenated liquid polyisoprene rubber, 50 parts of nitrile rubber, 75 parts of C5/C9 composite petroleum resin, 38 parts of phenolic resin, 13 parts of carbon black, 13 parts of heat stabilizer, 8 parts of activator, 8 parts of reinforcing agent, 8 parts of filler, 30 parts of diene rubber, 50 parts of composite, 4 parts of essence and 5 parts of pigment; the composite body consists of light-cured resin and glass ion body, and the compounding ratio of the light-cured resin to the glass ion body is 6:1; the activator is a nano silicate mixture, the reinforcing agent is palygorskite powder, and the filler is lignin-kaolinite compound; the C5/C9 composite petroleum resin has high bonding strength, good quick adhesion, stable bonding performance, moderate melt viscosity and good heat resistance, can be mutually dissolved with natural rubber particles, has the functions of tackifying, reinforcing and softening natural rubber, has no great influence on the vulcanization process of the rubber, and can increase the adhesive force among the rubber particles and improve the air tightness; the adhesive layer 4 made of the material has good puncture-proof effect, can effectively deform along with a sharp object, can restore to the original state in time after the sharp object is taken out, has good memory effect, and can fill the hole in time when the tread rubber 11 has the hole, thereby achieving the function of air leakage prevention.
In embodiment 2, in this embodiment, the adhesive layer 4 is disposed between the two airtight layers inside the surface adhesive layer 1 and the side adhesive layer 2, and the side adhesive layer 2 is also easily damaged by a sharp object due to the influence of the road conditions on the ground during the running process of the electric vehicle, so that the adhesive layer 4 is disposed between the two airtight layers inside the surface adhesive layer 1 and the side adhesive layer 2, so that each part of the tire has the function of preventing puncture leakage. Because the electric vehicle is generally limited in speed, the running speed on a general road cannot be too high, the tires of the electric vehicle are smaller, the quantity of the adhesive layers is small, and the dynamic balance of the tires cannot be influenced, so that the adhesive layers 4 are arranged between the two airtight layers on the inner sides of the surface adhesive layer 1 and the side adhesive layer 2, and the omnibearing protection function is realized.
The center thickness of viscose layer 4 is 6 millimeters, if viscose layer 4 is too thin, can puncture viscose layer 4 when sharp object is longer, but if viscose layer 4 is too thick, when the tire is long-term when traveling, perhaps the tire temperature is too high, arouses viscose layer 4 easily and takes place deformation, through experimental test, when viscose layer 4's center thickness is 6 millimeters, just can bear the stabbing condition of general sharp object, can keep viscose layer 4 not punctured after supporting glue layer 12 and ply 13 in surface glue layer 1 are punctured, reaches the effect of gas leakage prevention.
The electric vehicle tire manufactured by the utility model has the advantages that no matter what sharp object is penetrated into the surface adhesive layer 1 or the side adhesive layer 2 of the tire, when the sharp object is penetrated into the adhesive layer 4, the adhesive layer 4 can be deformed along with the sharp object to prevent the risk of penetration due to certain flexibility and viscosity of the adhesive layer 4, and meanwhile, the adhesive layer 4 can wrap the sharp object and achieve the sealing and air leakage preventing functions through matching with the airtight layer.
In this embodiment, the material of the adhesive layer 4 includes the following components in parts by weight: 160 parts of hydrogenated liquid polyisoprene rubber, 60 parts of nitrile rubber, 85 parts of C5/C9 composite petroleum resin, 30 parts of phenolic resin, 10 parts of carbon black, 12 parts of heat stabilizer, 6 parts of activator, 10 parts of reinforcing agent, 13 parts of filler, 50 parts of diene rubber, 40 parts of composite, 4 parts of essence and 3 parts of pigment; the composite body consists of light-cured resin and glass ion body, and the compounding ratio of the light-cured resin to the glass ion body is 8:1; the activator is a nano silicate mixture, the reinforcing agent is palygorskite powder, and the filler is lignin-kaolinite compound; the adhesive layer 4 made of the material can keep good flexibility, cannot be pierced by sharp objects, has good anti-piercing effect, can effectively deform along with the sharp objects, and can recover the original state in time after the sharp objects are taken out, so that the adhesive layer 4 has good memory effect.
As shown in FIG. 2, the present utility model provides a method for producing a puncture-proof electric vehicle tire, wherein various tire component materials are firstly produced respectively, such as tread rubber 11 and side rubber produced by a conventional method, rubber is mixed with activator, process oil, reinforcing agent, anti-aging agent, vulcanizing agent and other substances to obtain tread rubber 11 and side rubber meeting the requirements, and the tread rubber 11 and the side rubber are put into an extruder, pressed into the required thickness and width through a die, and the tread rubber 11 and the side rubber layer 2 with certain space shapes are produced; because the tread is in direct contact with the ground, and simultaneously transmits traction force and braking force of the electric vehicle to generate friction force with the ground, the tread rubber 11 needs to protect certain wear resistance and ageing resistance, and patterns are arranged on the tread, so that the friction force can be increased. The bead ring 21 is manufactured, the steel wire is pressed into rubber, the bead ring 21 with fine steel wire in the rubber is formed, and the bead ring mainly has the functions of enabling the tire to have certain strength and rigidity, and enabling the tire to be firmly fixed on the rim.
And manufacturing the airtight layer 3, pressing compact rubber into an airtight layer I31 and an airtight layer II 32 with certain widths and thicknesses according to the width of the inner side surface of the tire, wherein the airtight layer I31 and the airtight layer II 32 have certain strength and flexibility, and meanwhile, the airtight layer I31, the adhesive layer 4 and the airtight layer II 32 are required to be tightly connected together to prevent layering.
Preparing an adhesive layer 4, namely weighing 160 parts of hydrogenated liquid polyisoprene rubber, 60 parts of nitrile rubber, 85 parts of C5/C9 composite petroleum resin, 30 parts of phenolic resin, 10 parts of carbon black, 12 parts of heat stabilizer, 6 parts of activating agent, 8 parts of reinforcing agent, 13 parts of filler, 50 parts of diene rubber, 40 parts of composite, 4 parts of essence and 3 parts of pigment according to parts by weight; putting nitrile rubber, a complex, an activating agent and a heat stabilizer into a reaction kettle, regulating the rotating speed, and heating to obtain a mixed solution; adding hydrogenated liquid polyisoprene rubber, C5/C9 composite petroleum resin, phenolic resin and diene rubber into the mixed solution, increasing the rotating speed and raising the temperature again, simultaneously reducing the pressure in the kettle, adding carbon black, reinforcing agent and filler, and illuminating in the kettle to obtain a semi-finished product of the memory rubber; adding essence and pigment into the memory rubber semi-finished product, uniformly stirring, and cooling by a viscose layer cooling device to obtain a viscose layer 4; in the process, the C5/C9 composite petroleum resin is used, has high bonding strength, good quick adhesion, stable bonding performance, moderate melt viscosity and good heat resistance, can be mutually dissolved with natural rubber, plays roles of tackifying, reinforcing and softening the natural rubber, has no great influence on the vulcanization process of the rubber, and can increase the adhesive force among rubber particles and improve the air tightness.
After the various materials are manufactured, tire molding is carried out, the manufactured second air-tight layer 32, the adhesive layer 4, the air-tight layer 31, the ply 13, the supporting adhesive layer 12, the side adhesive layer 2, the tread adhesive 11, the bead rings 21 and the like are sequentially placed on a tread winding machine to be laminated into a tire tread, and then the tire tread is placed on a molding drum to be inflated and pressed into a tire blank.
The preformed tire blank was placed in a vulcanizing tank to be vulcanized, the vulcanizing temperature was set to 160 ℃, and the vulcanizing time was set to 18 minutes. Since the temperature resistance of the components of each rubber in the tire is different, the vulcanization temperature has an important effect on improving the rubber performance in the tire, and the vulcanization effect is good when the vulcanization temperature is set to 160 ℃ and the vulcanization time is set to 18 minutes in combination with the characteristics of each component of the present embodiment. And after vulcanization is completed, cooling the vulcanized tire to complete the production of the tire.
The tire manufactured by the method can effectively change the structural characteristics of the tire by adding the adhesive layer 4 in the product on the premise of not changing the prior production technical conditions, so that the tire has the puncture-resistant function and the quality of the product is improved.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the embodiments described above, and it will be apparent to those skilled in the art that various modifications and improvements can be made therein without departing from the scope of the utility model.
Claims (6)
1. The utility model provides an anti-puncture electric motor car tire, includes the tire body, the tire body including surface glue layer (1) that is located the tire surface and be located side glue layer (2) of tire side, its characterized in that is provided with tread rubber (11) in the outside of surface glue layer (1), inboard at surface glue layer (1) and side glue layer (2) sets up supporting glue layer (12), inboard at supporting glue layer (12) sets up ply (13), set up bead ring (21) in the tire bead of side glue layer (2), the internal surface at the tire body sets up the inner liner, the inner liner sets up to two-layer, inner liner one (31) and inner liner two (32), inner liner one (31) and ply (13) contact, be provided with between two-layer inner liner take place deformation along with sharp object's atress direction and with viscose layer (4) that sharp object pasted, viscose layer (4) set up between two-layer inner liner of surface glue layer (1) below, all set up viscose layer (4) between two-layer inner liner of surface glue layer (1) and side glue layer (2).
2. An anti-puncture and anti-leakage motor vehicle tyre according to claim 1, characterized in that the central thickness of the adhesive layer (4) is 3 to 7 mm.
3. An anti-puncture and anti-leakage motor vehicle tyre according to claim 2, characterized in that the adhesive layer (4) is slightly thinner on both sides.
4. A puncture-proof electric motor car tyre according to any of claims 1 to 3, characterized in that the material of the adhesive layer (4) is a polymer memory rubber comprising the following components in parts by weight: 135-160 parts of hydrogenated liquid polyisoprene rubber, 50-60 parts of nitrile rubber, 75-85 parts of C5/C9 composite petroleum resin, 30-38 parts of phenolic resin, 10-13 parts of carbon black, 12-13 parts of heat stabilizer, 6-8 parts of activator, 8-10 parts of reinforcing agent, 8-13 parts of filler, 30-50 parts of diene rubber, 40-50 parts of composite, 4-8 parts of essence and 3-5 parts of pigment.
5. A method of producing an anti-puncture and anti-leakage motor vehicle tyre according to any one of claims 1 to 4, characterized by comprising the steps of:
step A), tread rubber and side rubber manufacturing process: mixing rubber with an activating agent, operating oil, a reinforcing agent, an anti-aging agent, a vulcanizing agent and the like to obtain tread rubber (11) and side rubber, respectively placing the tread rubber (11) and the side rubber into an extruder, and pressing the tread rubber (11) and the side rubber into the tread rubber (11) and the side rubber with required thickness and width and certain space shape through a die;
step B), a bead ring manufacturing process: pressing the steel wire into rubber to form a bead ring (21) with fine steel wires in the rubber;
step C) manufacturing an airtight layer: pressing the compact rubber into an airtight layer (3) with a certain width and thickness according to the width of the inner side surface of the tire;
step D) adhesive layer manufacturing process: weighing 135-160 parts of hydrogenated liquid polyisoprene rubber, 50-60 parts of nitrile rubber, 75-85 parts of C5/C9 composite petroleum resin, 30-38 parts of phenolic resin, 10-13 parts of carbon black, 12-13 parts of heat stabilizer, 6-8 parts of activator, 8-10 parts of reinforcing agent, 8-13 parts of filler, 30-50 parts of diene rubber, 40-50 parts of complex, 4-8 parts of essence and 3-5 parts of pigment according to parts by weight; putting nitrile rubber, a complex, an activating agent and a heat stabilizer into a reaction kettle, regulating the rotating speed, and heating to obtain a mixed solution; adding hydrogenated liquid polyisoprene rubber, C5/C9 composite petroleum resin, phenolic resin and diene rubber into the mixed solution, increasing the rotating speed and raising the temperature again, simultaneously reducing the pressure in the kettle, adding carbon black, reinforcing agent and filler, and illuminating in the kettle to obtain a semi-finished product of the memory rubber; adding essence and pigment into the memory rubber semi-finished product, uniformly stirring, and cooling by a viscose layer cooling device to obtain a viscose layer (4);
step E) tire building process: sequentially placing the manufactured second air-tight layer (32), the adhesive layer (4), the first air-tight layer (31), the supporting adhesive layer (12), the side adhesive layer (2), the tread adhesive (11), the bead ring (21) and the like on a tread winding machine to form a tire tread, placing the tire tread on a forming drum, and forming a tire blank by inflation and jacking;
step F) vulcanization process: the preformed embryo is placed in a vulcanizing tank for vulcanization, in the step G vulcanizing procedure, the vulcanizing temperature is set to 160-170 ℃, and the vulcanizing time is set to 15-25 minutes;
step G) cooling procedure: and cooling the vulcanized tire to finish the production of the tire.
6. The puncture-resistant and leakage-resistant motor vehicle tire according to claim 5, wherein in the step E of preparing the adhesive layer, the weight parts of the adhesive layer are 152-156 parts of hydrogenated liquid polyisoprene rubber, 52-66 parts of nitrile rubber, 80-82 parts of C5/C9 composite petroleum resin, 32-36 parts of phenolic resin, 12-13 parts of carbon black, 12-13 parts of heat stabilizer, 6-7 parts of activator, 8-9 parts of reinforcing agent, 9-12 parts of filler, 38-45 parts of diene rubber, 42-46 parts of complex, 5-6 parts of essence and 3-5 parts of pigment.
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| CN201910388635.6A CN110254136B (en) | 2019-05-10 | 2019-05-10 | Puncture-proof electric motor car tire and production method thereof |
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| CN111106716B (en) * | 2020-03-05 | 2020-09-29 | 三门县点帆环保科技有限公司 | Electric leakage protection device for motor shell |
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Effective date of registration: 20240218 Address after: 318000, Building 4, No. 17 Shugang Avenue, Jiaojiang District, Taizhou City, Zhejiang Province, China, 5A Patentee after: Taizhou Biaoxin Aluminum-Plastic Industry Co.,Ltd. Country or region after: China Address before: Building 4B, No. 17 Shugang Avenue, Haimen Street, Jiaojiang District, Taizhou City, Zhejiang Province, 318000 Patentee before: ZHEJIANG MEIYIJIA NEW TECHNOLOGY CO.,LTD. Country or region before: China |