CN106378945B - A kind of three-dimensional coining graphene PU tire manufacturing methods and equipment - Google Patents
A kind of three-dimensional coining graphene PU tire manufacturing methods and equipment Download PDFInfo
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- CN106378945B CN106378945B CN201611087402.5A CN201611087402A CN106378945B CN 106378945 B CN106378945 B CN 106378945B CN 201611087402 A CN201611087402 A CN 201611087402A CN 106378945 B CN106378945 B CN 106378945B
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- graphene
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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)
- B29D30/08—Building tyres
- B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
- B29D30/16—Applying the layers; Guiding or stretching the layers during application
- B29D30/1607—Applying the layers; Guiding or stretching the layers during application by feeding a sheet perpendicular to the core axis and joining the ends to form an annular element
-
- 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)
- B29D30/0681—Parts of pneumatic tyres; accessories, auxiliary operations
-
- 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
- B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
- B29D30/16—Applying the layers; Guiding or stretching the layers during application
- B29D2030/1664—Details, accessories or auxiliary operations not provided for in the other subgroups of B29D30/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a kind of three-dimensional coining graphene PU tire manufacturing methods and equipments, a certain amount of graphene will be mixed into polyurethane material, it is plasticized graphene PU composite materials using two extruders, carcass is divided into four times and is covered to complete, contact wheel rim first layer is graphene PU mixing materials, a certain amount of supercritical nitrogen is passed through in junction station after squeezing out first layer, it is squeezed out using the mixing of lamination device and the internal expandable graphite alkene PU for carrying microbubble is made, it is bonded the second layer on the basis of first layer and third layer uses expandable graphite alkene PU materials, four layers use graphene PU materials;Upper pressure roller and lower compression roller are real by each lamination during the fitting of four layer materials, and the heating platen for finally carrying tyre tread imprints out tyre tread under the drive of oil cylinder on carcass.Manufacturing method of the present invention and equipment are prepared for a kind of graphene PU foaming tires, and by the way that a certain amount of graphene and supercritical nitrogen microbubble are added in polyurethane material, manufactured PU tires have elasticity, thermal conductivity, more comfortably.
Description
Technical field
The invention mainly relates to tire preparation field more particularly to a kind of three-dimensional coining graphene PU tire manufacturing methods and
Device, PU are polyurethane.
Background technology
With the fast development of Hyundai Motor and aircraft industry, the requirement to tyre performance is also continuously improved.Conventional tire
Mainly use rubber material, such as radial, cross-ply.However, the characteristics of conventional pneumatic is due to itself, no
There are problems that avoidablely, as thorn is blown out, manufacturing forming process is complicated, military field can not resist light weapons
Impact etc.;Each function of conventional tire mutually restrains, is conflicting simultaneously, can not achieve multiple-objection optimization.Gradually go out in the market
Some existing pu tires, at present pu tire mostly use solid construction, Chinese patent (publication number CN103786290A,
CN105330811A pu tire manufacturing method disclosed in) is moulding by casting, and tire endogenous heat is larger, poor radiation, limit
Tire running speed has been made, has easily been destroyed;Polyurethane solid tyre elasticity is poor simultaneously, influences the comfort of tire running.It carries
The heat resistance of high pu tire, comfort are the main problem that it is faced.
Invention content
In view of the above problems, the present invention is intended to provide a kind of three-dimensional coining graphene PU tire manufacturing methods and equipment, lead to
It crosses material prescription, foaming technique, stacking extrusion and stamping technique and can be made into the graphite with high-fire resistance, high resiliency and low noise
Alkene PU foaming tires.
The present invention is intended to provide a kind of three-dimensional coining graphene PU tire manufacturing methods, will be mixed into certain in polyurethane material
The graphene of amount is plasticized graphene PU composite materials using two extruders, and servo motor drives wheel rim rotation, tire after extrusion
Body is wrapped on wheel rim, and carcass is divided into four times and is covered to complete, and contact wheel rim first layer is graphene PU mixing materials, squeezes out first
It is passed through a certain amount of supercritical nitrogen in junction station after layer, is squeezed out using the mixing of lamination device and the internal hair for carrying microbubble is made
Graphene PU is steeped, the second layer is bonded on the basis of first layer and third layer, the second layer and third layer is all made of expandable graphite alkene
PU materials stop being passed through supercritical nitrogen to junction station, and the 4th layer i.e. tyre surface uses graphene PU materials;Extruder stops work
Make;Upper pressure roller and lower compression roller are real by each lamination during the fitting of four layer materials, finally carry the heating platen of tyre tread in oil cylinder
Drive under tyre tread is imprinted out on carcass.
The present invention is intended to provide a kind of three-dimensional coining graphene PU tires, wherein wheel rim uses alloy material or carbon fiber
Dimension enhancing composite material.
The present invention is intended to provide a kind of three-dimensional coining graphene PU tire preparation methods, wherein the acquisition of microbubble is main
By following manner:Supercritical nitrogen becomes single-phase melt with melt mixed, because there is between two layers, two layers melt in junction station
It is passed through one layer of gas;Further make pore size close using stacking device, be evenly distributed, after being bonded on wheel rim, reduces pressure
Or cooling just will produce micro- stomata, and pore opening is controlled by temperature change and pressure drop.
A kind of three-dimensional coining graphene PU tire preparation methods provided by the invention, wherein tyre tread is by being carved with flower
The heating platen coining of line completes, and the temperature of heating platen is adjusted by electromagnetic heating controller, and pressure is provided by oil cylinder, according to not
With modified polyurethane material, heating platen can provide different imprint temperatures, pressure and time.The production method of tyre tread
The production method that existing decorative pattern may be used, by the internal tire forming mold hot pressing postcooling for carrying decorative pattern, molding die band
Having heaters preheats tire base, cools down after the upper decorative pattern of tire base pressure, obtains final tire product.
A kind of three-dimensional coining graphene PU tire preparation methods provided by the invention, in order to reduce wave caused by raw material is replaced
Take, can be there are two station be squeezed out, each station has two extruders and junction station, stacking device, head, wherein there are one converging
Stream device has supercritical nitrogen injected system, and first layer is bonded in this way on wheel rim and the 4th layer uses not with the second layer and third layer
Same extrusion station.
A kind of three-dimensional coining graphene PU tire preparation methods provided by the invention, the second layer and third layer cell content can
It can also be different with identical, i.e., the second layer and third layer can be same material, or not same material, it is whole according to tire
The aeroelastic requirements of body determine the proportioning of material.Because the middle layer of usual carcass is thicker, for the ease of fitting, even if material of the same race
Material also divides two layers of fitting.Third layer can also be than second layer softness because of close tyre surface.Four layers of runner that all have passed through stacking device, stone
Black alkene has certain orientation, the resistance to thorn ability of tire of formation to improve, and conductibility is also improved, and thermal diffusivity is improved.
The present invention provides a kind of three-dimensional coining graphene PU Tire productions equipment, mainly by pu tire extruding part and
Carcass impression partial forms.Extruding part is mainly made of two extruders, nitrogen compressor, junction station, stacking device and head;
Carcass impression partial is mainly made of oil cylinder, rack, heating platen, pressure roller, wheel rim and transmission device.
The present invention provides a kind of three-dimensional coining graphene PU Tire productions equipment, the junction station both sides difference in extruding part
It is connected with extruder, extruded material selects the intermingling material of polyurethane and graphene.Junction station medial inlet and nitrogen compressor
Connection, can be passed through the supercritical nitrogen of predetermined amount in different phase.Selection two extruders are easy for the runner of gas being passed through
Design.Junction station outlet is connected with stacking device, and stacking device has n unit, m segmentation, torsion that m can be obtainednLayer composite material film
Layer;Stacking device outlet connection extruder head, wheel rim of the head close to carcass impression partial.
The present invention provides a kind of three-dimensional coining graphene PU Tire productions equipment, wherein the oil cylinder of carcass impression partial is solid
It is scheduled in rack, cylinder putter couples with tyre surface heating platen.Rack couples upper pressure roller and lower compression roller respectively up and down, and upper pressure roller is under
Pressure roller is all connect with export bar;Wheel rim is fixed on the rotating shaft by clamping device, and rotation axis one end couples servo motor.
The present invention is intended to provide a kind of three-dimensional coining graphene PU Tire productions equipment, wherein entire carcass extruding part
Whole two-dimensional movement all around can occur to wheel rim direction, while head is detachable, is exchanged according to rim size.
The present invention is intended to provide a kind of three-dimensional coining graphene PU Tire productions equipment, wherein the heat of carcass impression partial
Pressing plate can move up and down under the promotion of oil cylinder, and tyre tread is carved on the downside of heating platen;Heating platen can be big according to tire size
It is small to carry out dismounting exchange;It is uniformly distributed heat block on the upside of heating platen, using electromagnetic heating mode;Heating platen decorative pattern shaped front end and
End coincide, amorphism and size difference.
The invention has the advantages that:
1, the present invention uses detachable Embosser one-pass molding, can produce and process sizes tire, realizes flexible
Manufacture.
2, the present invention proposes a kind of graphene PU foaming tires, by the way that a certain amount of graphite is added in polyurethane material
Alkene improves PU material thermal conductivities, plays cooling effect, improve the heat resistance of tire.
3, the present invention uses lamination techniques, improves the intensity of PU materials, and supercritical nitrogen microbubble is homogenized, and is made
The flexible PU tires of tire improve the elasticity of tire, and tyre deflection increases, comfort enhancing.
Description of the drawings
Fig. 1 is a kind of three-dimensional coining graphene PU Tire production equipment configuration schematic diagrames of the present invention.
Fig. 2 is a kind of three-dimensional coining graphene PU tire section schematic diagrames of the present invention.
In figure, 1- oil cylinders, 2- heating platens, 3- rotation axis, 4- lower compression rollers, 5- racks, 6- wheel rims, the upper pressure rollers of 7-, 8- heads,
9- stacking devices, 10- junction stations, 11- extruders one, 12- nitrogen compressors, 13- extruders two, the micro- hairs of 14- graphenes PU, 15-
Bubble.
Specific implementation mode:
The present invention is intended to provide a kind of three-dimensional coining graphene PU tire manufacturing methods and equipment.Specific implementation method is:
The first step, carries out material prescription first, and graphene obtains tire by being blended in a certain amount of addition conventional urethane tire material
Body material.Second step, entire extrusion portion advance, and make head 8 close to wheel rim;Graphene PU intermingling materials are added to extruder one
11 and extruder 2 13 in be plasticized, pass through junction station 10, stacking device 9 and head 8 squeeze out graphene PU14 material sheets;Wheel rim 6
Rotated counterclockwise under the drive of rotation axis 3, sheet material is pressed onto on wheel rim by upper pressure roller 7, sheet material it is Nian Jie with wheel rim generation and with
Wheel rim rotates, and when sheet material leading portion goes to lower compression roller 4, lower compression roller 4, which is leant out, is further compacted sheet material, and sheet material wraps up wheel rim one week
Afterwards, extruder stops squeezing out, and sheet cutting, wheel rim quickly rotates, and further compacting is bonded to wheel rim 6 for upper pressure roller 7, lower compression roller 4.
Third walks, and nitrogen compressor 12 is started to work, and supercritical nitrogen is passed through in junction station 10, passes through stacking device by extruder work
9, head 8 prepares the expandable graphite alkene PU sheet materials containing microbubble, and the second layer and third layer are carried out to wheel rim according to second step
Package compacting, the second layer and third layer are 15 structure of fretting map.4th step, nitrogen compressor 12 is stopped, according to second
Step carries out the 4th layer and carries out package compacting;5th step, after preliminary consolidation, upper pressure roller, lower compression roller are recalled, and heating platen 2 is in oil cylinder 1
It pushes and pushes, imprint out tyre tread, once after coining, heating platen 2 is recalled, and wheel rim rotates an angle, is carried out second
Coining, the back-end location of second of pressing plate are the front position of coining for the first time, i.e. the seamless connection with last stamping,
Ensure fluency, the continuity of decorative pattern.The decorative pattern coining of entire tyre surface is finally completed by multi-impression, tire completes.
By a kind of three-dimensional coining graphene PU tire manufacturing methods of aforementioned present invention it is found that the manufacturing device of the present invention includes
Extruding part and carcass impression partial, extruding part is mainly by extruder 1, extruder 2 13, nitrogen compressor 12, confluence
Device 10, stacking device 9 and head 8 form;Carcass impression partial is mainly by oil cylinder 1, rack 5, heating platen 2, upper pressure roller 7, lower compression roller
4, wheel rim 6 and the transmission device composition with rotation axis 3.
The present invention provides a kind of three-dimensional coining graphene PU Tire productions equipment, 10 both sides of junction station point in extruding part
It is not connected with extruder 1, extruder 2 13, extruded material selects the intermingling material of polyurethane and graphene.In junction station 10
Between entrance couple with nitrogen compressor 12, the supercritical nitrogen of predetermined amount can be passed through in different phase.Junction station 10 exports and layer
Folded device 9 is connected, and m can be obtained by n stacking device unit, m segmentation, torsion in stacking device 9nLayer composite material film layer;Stacking device 9
Outlet connection extruder head 8, wheel rim 6 of the head 8 close to carcass impression partial.
The present invention provides a kind of three-dimensional coining graphene PU Tire productions equipment, wherein the oil cylinder 1 of carcass impression partial is solid
It is scheduled in rack 5, cylinder putter couples with tyre surface heating platen 2.About 5 rack couples pressure roller 7 and lower compression roller 4, upper pressure respectively
Roller 7 and lower compression roller 4 are all connect with export bar;Wheel rim 6 is fixed on by clamping device in rotation axis 3, and the connection of 3 one end of rotation axis is watched
Take motor.
The present invention provides a kind of three-dimensional coining graphene PU Tire productions equipment, wherein entire carcass extruding part can be to
Whole two-dimensional movement all around occurs for 6 direction of wheel rim, while head 8 is detachable, is exchanged according to 6 size of wheel rim.
Claims (7)
1. a kind of three-dimensional coining graphene PU tire manufacturing methods, it is characterised in that:It is a certain amount of by being mixed into polyurethane material
Graphene is plasticized graphene PU composite materials using two extruders, and servo motor drives wheel rim rotation, carcass packet after extrusion
It is rolled on wheel rim, carcass is divided into four times and is covered to complete, and contact wheel rim first layer is graphene PU mixing materials, after squeezing out first layer
It is passed through a certain amount of supercritical nitrogen in junction station, is squeezed out using stacking device mixing and the internal foaming stone for carrying microbubble is made
Black alkene PU is bonded the second layer on the basis of first layer and third layer, the second layer and third layer is all made of expandable graphite alkene PU materials
Material stops being passed through supercritical nitrogen to junction station, and the 4th layer uses graphene PU materials;Extruder is stopped;Four layer materials
Upper pressure roller and lower compression roller are real by each lamination during fitting, finally the heating platen with tyre tread under the drive of oil cylinder in tire
Tyre tread is imprinted out on body.
2. a kind of three-dimensional coining graphene PU tire manufacturing methods according to claim 1, it is characterised in that:Wheel rim uses
Alloy material or carbon fibre reinforced composite.
3. a kind of three-dimensional coining graphene PU tire manufacturing methods according to claim 1, it is characterised in that:Tyre tread
Heating platen by being carved with decorative pattern, which imprints, to complete, and the temperature of heating platen is adjusted by electromagnetic heating controller, and pressure is by oil cylinder
It provides, according to the polyurethane material of different modifications, heating platen can provide different imprint temperatures, pressure and time.
4. a kind of three-dimensional coining graphene PU tire manufacturing methods according to claim 1, it is characterised in that:There are two squeeze
Go out station, each station has two extruders and junction station, stacking device, head, wherein there are one have overcritical nitrogen in junction station
Gas injected system.
5. special using a kind of three-dimensional coining graphene PU Tire productions equipment of tire manufacturing method described in claim 1
Sign is:It is made of pu tire extruding part and carcass impression partial, extruding part is mainly by two extruders, nitrogen pressure
Contracting machine, junction station, stacking device and head composition;Carcass impression partial is mainly by oil cylinder, rack, heating platen, pressure roller, wheel rim and biography
Dynamic device composition;Junction station both sides in extruding part are connected with extruder respectively, and extruded material selects polyurethane and graphene
Intermingling material;Junction station medial inlet couples with nitrogen compressor, and the supercritical nitrogen of predetermined amount can be passed through in different phase;
Junction station outlet is connected with stacking device, and stacking device has n unit, m segmentation, torsion that m can be obtainednLayer composite material film layer;Layer
Folded device outlet connection extruder head, wheel rim of the head close to carcass impression partial;The oil cylinder of carcass impression partial is fixed on rack
On, cylinder putter couples with tyre surface heating platen, and rack couples upper pressure roller and lower compression roller respectively up and down, upper pressure roller and lower compression roller all with
Export bar connects;Wheel rim is fixed on the rotating shaft by clamping device, and rotation axis one end couples servo motor.
6. a kind of three-dimensional coining graphene PU Tire productions equipment according to claim 5, it is characterised in that:Entire tire
Whole two-dimensional movement all around can occur to wheel rim direction for extruding part, while head is detachable, is carried out according to rim size
It exchanges.
7. a kind of three-dimensional coining graphene PU Tire productions equipment according to claim 5, it is characterised in that:Carcass imprints
Partial heating platen can move up and down under the promotion of oil cylinder, and tyre tread is carved on the downside of heating platen;Heating platen can be according to wheel
Tire size carries out dismounting exchange;It is uniformly distributed heat block on the upside of heating platen, using electromagnetic heating mode;Heating platen decorative pattern shape
Shape front end and end coincide, amorphism and size difference.
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CN201611087402.5A CN106378945B (en) | 2016-12-01 | 2016-12-01 | A kind of three-dimensional coining graphene PU tire manufacturing methods and equipment |
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CN201611087402.5A CN106378945B (en) | 2016-12-01 | 2016-12-01 | A kind of three-dimensional coining graphene PU tire manufacturing methods and equipment |
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CN106378945A CN106378945A (en) | 2017-02-08 |
CN106378945B true CN106378945B (en) | 2018-10-23 |
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CN109334351B (en) * | 2018-10-30 | 2022-01-28 | 济南奥美联亚工矿设备有限公司 | Polyurethane solid tire and manufacturing method thereof |
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US4221624A (en) * | 1978-04-03 | 1980-09-09 | Eslinger Haynes L | Method of manufacturing a foamed core thermoplastic sheet |
IN2014DN05936A (en) * | 2011-12-16 | 2015-06-12 | Alan Erdman | |
CN202986684U (en) * | 2012-10-16 | 2013-06-12 | 北京化工大学 | High-performance tire of microcellular foaming on surface of crown |
CN103786290B (en) * | 2014-01-22 | 2017-01-04 | 杭州台创实业有限公司 | The manufacture method of casting elastomer pu tire |
CN104149371A (en) * | 2014-08-07 | 2014-11-19 | 北京化工大学 | Method and equipment for manufacturing tire with tread patterns |
CN105330811A (en) * | 2015-11-27 | 2016-02-17 | 嘉兴禾欣化学工业有限公司 | Polyurethane solid tire material and preparation method thereof |
CN206394063U (en) * | 2016-12-01 | 2017-08-11 | 北京化工大学 | A kind of three-dimensional impressing graphene PU Tire productions equipment |
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