CN110435358A - A kind of air-free tyre and its production technology - Google Patents
A kind of air-free tyre and its production technology Download PDFInfo
- Publication number
- CN110435358A CN110435358A CN201910732420.1A CN201910732420A CN110435358A CN 110435358 A CN110435358 A CN 110435358A CN 201910732420 A CN201910732420 A CN 201910732420A CN 110435358 A CN110435358 A CN 110435358A
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- China
- Prior art keywords
- tire body
- wheel hub
- tire
- air
- support member
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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
- B29D30/02—Solid tyres ; Moulds therefor
-
- 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
- B60C7/00—Non-inflatable or solid tyres
-
- 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
- B60C7/00—Non-inflatable or solid tyres
- B60C7/24—Non-inflatable or solid tyres characterised by means for securing tyres on rim or wheel body
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The present invention relates to a kind of air-free tyre and its production technology, tire body is to use polyurethane rubber moulding by casting, and inner support member is placed in tire body；Tire body is assemblied on wheel hub, and the two is fitted to each other the positioning for carrying out circumferential direction on face by setting concaveconvex structure；Wheel hub uses aluminium alloy wheel hub, and one side is flange rib structure, which is used to carry out axially position to the side of tire body, and cover board has been bolted in the other side of wheel hub；Tire body is pressed on wheel hub by cover board.The production technology of air-free tyre includes the assembly technology of tire body pouring technology and tire body and wheel hub.Tire body is integrally formed using polyurethane rubber casting in the application, and inner support member is cast in tire body, the tire body of totally-enclosed package has air filled tyre shape close to existing, but it is more safe and reliable than there is air filled tyre, intensity is high, wearability is good, and the service life is long, and large-scale automated production is suitble to process.
Description
Technical field
The present invention relates to tyre technologies, in particular, being related to a kind of air-free tyre and its production technology.
Background technique
Currently, the tire used on most vehicles is pneumatic tire, pneumatic tire is by the way that compressed air to be filled with
Mode in confined space keeps tire shape, obtains cushion performance, and still, pneumatic tire is when being punctured or being torn by pricking object
It is difficult to keep original tire shape again, influences vehicle driving safety, in addition, there is also the danger blown out for pneumatic tire, especially
Tyre explosion once occurs for the vehicle run at high speed on a highway, it will causes serious traffic accident.
To solve this problem, present air-free tyre, which is gradually developed, asks city, and air-free tyre is a kind of not against air realization
The tire of support force does not need to inflate, and is not afraid of puncture, thus fundamentally solves the occurrence of blowing out, and can save
Save a large amount of rubber materials.Such as Authorization Notice No. be CN106541785B patent, Authorization Notice No. be CN106541784B's
The patent that the patent and Authorization Notice No. that patent, Authorization Notice No. are CN106515313B are CN106739817B, this four specially
A kind of air-free tyre is disclosed in benefit, such air-free tyre includes rubber tread and spoke, and the rubber tread is sleeved on institute
State on spoke, the spoke includes spoke outer ring, spoke centre circle and spoke inner ring, the spoke outer ring by outer spoke with it is described
Spoke centre circle is fixedly connected, and the spoke centre circle is fixedly connected by interior spoke with the spoke inner ring, different in four patents
Point is that outer spoke is different with the arrangement of interior spoke, and such air-free tyre improves the safety and reliability of vehicle driving,
And can guarantee to brake simultaneously and accelerate not lag, but spoke outer ring is fixedly connected by outer spoke with spoke centre circle, spoke
Centre circle is fixedly connected by interior spoke with spoke inner ring, and this air-free tyre, which exists, buffers hypodynamic disadvantage.
In addition, disclosing a kind of air-free tyre, including rubber tread in the patent that Authorization Notice No. is CN106696605B
And spoke, the rubber tread are sleeved on the spoke, the spoke includes spoke outer ring, spoke inner ring and radial spoke,
The spoke outer ring is fixedly connected by the radial spoke with the spoke inner ring, any adjacent two radial spoke it
Between be additionally provided with X-shaped auxiliary spoke, equally exist the hypodynamic disadvantage of tyre buffering, in addition, structure is complicated, processing technology is cumbersome.
Disclose a kind of air-free tyre in the patent that Authorization Notice No. is CN106515312B, be connected to spoke outer ring and spoke inner ring it
Between spoke be fenestral fabric, equally exist that tyre buffering power is insufficient, structure is complicated, the cumbersome disadvantage of processing technology works as net
There is a spoke to be broken in trellis spoke, will lead to entire latticed spoke and be a greater impact, seriously affect
The service life of tire.
Therefore, it is necessary to which existing air-free tyre is improved and is optimized.
Summary of the invention
It is an object of the invention to overcome the above deficiencies in the existing technologies, and provide it is a kind of it is reasonable in design,
Simply, cushion effect is good, easy to process, the convenient air-free tyre of disassembling, assembling and replacing, and provides its processing technology.
Technical solution used by the present invention solves the above problems is: a kind of air-free tyre, including wheel hub, feature exist
In: it further include inner support member and tire body, the tire body is using polyurethane rubber moulding by casting, and inner support member
It is placed in tire body；The tire body is assemblied on wheel hub, the two be fitted to each other on face by setting concaveconvex structure into
The positioning of row circumferential direction；The wheel hub uses aluminium alloy wheel hub, and the vehicle for installing Automobile shaft is provided at hub centre
Axis hole, the side of wheel hub are flange rib structure, which is used to carry out the side of tire body axial
Positioning, cover board has been bolted in the other side of wheel hub；Tire body is pressed on wheel hub by the cover board, prevents tire master
Body is axially displaced.
Preferably, the inner support member is using in high-intensitive grid cord fabric and the Auxiliary support circle made of steel band with holes
One or two.On the one hand high-intensitive grid cord fabric has many advantages, such as that intensity is high, is not afraid of distortion, selects high-intensitive grid curtain
Sub- cloth can greatly promote the intensity and service life of tire body as inner support member；On the other hand it uses and is made of steel band with holes
Bracing ring as inner support member when, the hole on steel band enables mould material in the two sides of bracing ring when tire body is poured
Mutually circulation increases the intensity of tire body, and bracing ring made of steel band with holes bears the flat of pressure when driving
Weighing apparatus property is relatively good, increases its durability and safety.
Preferably, the tire body be provided with tyre tread on the face that contacts.
Preferably, the tire body is non-fully entity structure.
Preferably, the high-intensitive grid cord fabric is using in strong viscose rayon, polyester fiber or Fypro
It is a kind of first twist into cord fabric thread, be then woven into grid cord fabric, the size of grid is 10*10mm between 20*20mm.
The present invention also provides another technical solutions: a kind of production technology of air-free tyre, it is characterised in that: including tire master
The assembly technology of body pouring technology and tire body and wheel hub；
Steps are as follows for tire body pouring technology:
Step 1: stock: determining the ratio of base polyurethane prepolymer for use as and curing agent according to the tire body model for different automobile types,
Base polyurethane prepolymer for use as and curing agent be mixed and stirred for uniformly；
Step 2: mold is preheated to 80-90 DEG C；
The mold includes upper die and lower die and hydraulic mould-matching disk；The upper mold fixed setting, the lower die are mounted on hydraulic mould-matching
On disk；Hydraulic mould-matching disk energy oscilaltion is equipped with mold core at center above；Mandril machine is provided with above the upper mold
Structure, lower die are that the casting region to match with tire body, arc panel are grouped together by least eight pieces of arc panels
It can be mounted on moving horizontally on hydraulic mould-matching disk；
Step 3: add coating release agent on mold, inner support member is placed in lower die；
Step 4: molding is poured；
Step 5: pressurizeing, primary to vulcanize, heat preservation；Holding temperature is 120 DEG C, vulcanization time 1 hour；
Step 6: die sinking: the outside surrounding of arc panel first is pulled open, the downward pushing tow tire body of post rod mechanism, while hydraulic mould-matching
Disk is moved down together with lower die, and tire body and upper mold are detached from, and removes tire body；
Step 7: progress post-cure, 100 DEG C of holding temperature, soaking time 10 hours；Obtain tire body finished product；
The assembly technology of tire body and wheel hub are as follows: tire body is sleeved on wheel hub using press machine, tire body and wheel
Hub is circumferentially fitted to each other the positioning for carrying out circumferential direction on face by concaveconvex structure, and cover board is then passed through bolt and wheel hub fastening
Together, axially position is carried out to tire body, so that tire body is fastened on wheel hub, completes assembly.
Compared with prior art, the present invention having the following advantages that and effect:
1, tire body is integrally formed using polyurethane rubber casting, and inner support member is cast in tire body, totally-enclosed
The tire body of package has air filled tyre shape close to existing, but more safe and reliable than there is air filled tyre, and intensity is high, and wearability is good,
Service life is long, and large-scale automated production is suitble to process；
2, the design of tire body non-fully entity structure can increase the cushion performance of tire；
3, tire body is assemblied on wheel hub in a manner of sleeve type, and the circumferential direction of the two is fitted to each other on face through the concave-convex knot of setting
Structure carries out the positioning of circumferential direction, and the positioning of axial direction is the flange cooperation cover board composition banjo clip being arranged by wheel hub side
The axial restraint mode of compact form；Circumferential direction is used to be positioned similar to spline structure concaveconvex structure, and axial direction uses method
Blue clamped-in style is positioned, and this installation method is secured, replaces convenient for disassembly and assembly, has a versatility, practicability, and external manufacturer
The tire body and wheel hub of publication are usually to be integrally designed, and have the shortcomings that replacement cost is high；
4, the design of tire body processing technology step is reasonable, simple process, and manufacturing cost is low；
5, it is finally installed, hub flange is outside vehicle, and for tire body in centre, cover board is in vehicle
Side, good visual effect is beautiful, is not likely to produce tire loosening.
Detailed description of the invention
It, below will be to specific implementation in order to illustrate more clearly of the specific embodiment of the invention or scheme in the prior art
Mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, the accompanying drawings in the following description
It is some embodiments of the present invention, for those skilled in the art, without creative efforts, may be used also
To obtain other drawings based on these drawings.
Fig. 1 is the schematic perspective view of 1 air-free tyre of the embodiment of the present invention.
Fig. 2 is the configuration schematic diagram of 1 air-free tyre of the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of tire body in the embodiment of the present invention 1.
Fig. 4 is the cross-sectional structure schematic diagram of 1 air-free tyre of the embodiment of the present invention.
Fig. 5 is the planar structure schematic diagram of Auxiliary support circle in the embodiment of the present invention 1.
Fig. 6 is the structural schematic diagram of mold in the embodiment of the present invention 1.
Fig. 7 is the structural schematic diagram of hydraulic mould-matching disk in the embodiment of the present invention 1.
Fig. 8 is another structure type of air-free tyre in the embodiment of the present invention 1.
Fig. 9 is the structural schematic diagram of tire body in the embodiment of the present invention 2.
Description of symbols: tire body 1, wheel hub 2, small Auxiliary support circle 3, big Auxiliary support circle 4, cover board 5, high intensity
Grid cord fabric 6, upper mold 7, lower die 8, hydraulic mould-matching disk 9, post rod mechanism 10.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
Embodiment 1.
Referring to Fig. 1 to Fig. 8.
The present embodiment is a kind of air-free tyre, including wheel hub 2, inner support member and by being poured integrally formed tire master
Body 1.When tire body 1 is poured, inner support member is cast in together in tire body 1；Tire body 1 is using polyurethane
Material moulding by casting, tire body 1 are assembled on the hub 2, and being fitted to each other on face for the two carries out week by setting concaveconvex structure
Positioning to direction.
In the present embodiment, inner support member selects high-intensitive grid cord fabric 6 and the Auxiliary support circle made of steel band with holes.
Auxiliary support circle is arranged two, one big Auxiliary support circle 4 and one small Auxiliary support circle 3, is located in tire body 1 and assists greatly
Part between bracing ring 4 and small Auxiliary support circle 3 is non-fully entity structure, and non-fully the design of entity structure can increase wheel
The cushion performance of tire.With reference to Fig. 4 and Fig. 8, this is two kinds of structure types of tire body.
In the present embodiment, the high-intensitive distribution of grid cord fabric 6, which is arranged in tire body 1, is located at big 4 He of Auxiliary support circle
It is located at the entity structure in big 4 outside of Auxiliary support circle in entity structure between small Auxiliary support circle 3 and in tire body 1
In, high-intensitive grid cord fabric 6 increases intensity and the service life of tire body 1.
In the present embodiment, high-intensitive grid cord fabric 6 be can be used in strong viscose rayon, polyester fiber or Fypro
It is a kind of first twist into cord fabric thread, be then woven into grid cord fabric, the size of grid is 10*10mm between 20*20mm.It is high
Intensity grid cord fabric 6 has many advantages, such as that intensity is high, is not afraid of distortion, selects high-intensitive grid cord fabric can be big as inner support member
The big intensity and service life for promoting tire body；On the other hand using the Auxiliary support circle made of steel band with holes as interior branch
When support member, the hole on steel band enables mould material mutually to circulate in the two sides of Auxiliary support circle when tire body is poured, can
To prevent big Auxiliary support circle 4 or small Auxiliary support circle 3 from keeping apart the tire part of its two sides, so as to increase tire master
The integral strength of body, and Auxiliary support circle made of steel band with holes bear when driving pressure balance it is relatively good,
Increase its durability and safety.
In the present embodiment, wheel hub 2 uses aluminium alloy wheel hub, and the vehicle for installing Automobile shaft is provided at 2 center of wheel hub
Axis hole, the side of wheel hub 2 are flange rib structure, which is used to carry out axis to the side of tire body 1
To positioning, cover board 5 has been bolted in the other side of wheel hub 2；Cover board 5 compresses tire body 1 on the hub 2, prevents from taking turns
Tire main body 1 is axially displaced.Tire body 1 is assembled on the hub 2 in a manner of sleeve type, and the circumferential direction of the two, which is fitted to each other on face, leads to
The positioning that setting concaveconvex structure carries out circumferential direction is crossed, the positioning of axial direction is the flange cooperation being arranged by 2 side of wheel hub
The axial restraint mode of the composition flange clamped-in style of cover board 5；Circumferential direction is used to be positioned similar to spline structure concaveconvex structure,
Axial direction is positioned using flange clamped-in style, and this installation method is secured, and replacement is convenient for disassembly and assembly, has versatility, practical
Property, and the tire body of external manufacturer's publication and wheel hub are usually to be integrally designed, and have the shortcomings that replacement cost is high.
In the present embodiment, tire body 1 be provided with decorative pattern on the face that contacts, increase its skid resistance and road holding.
In the present embodiment, the production technology of air-free tyre, including tire body pouring technology and tire body and wheel hub
Assembly technology.
Steps are as follows for tire body pouring technology:
Step 1: stock: determining the ratio of base polyurethane prepolymer for use as and curing agent according to the tire body model for different automobile types,
Base polyurethane prepolymer for use as and curing agent be mixed and stirred for uniformly；
Step 2: mold is preheated to 85 DEG C；
Mold includes upper mold 7, lower die 8 and hydraulic mould-matching disk 9；The upper mold 7 is fixedly installed, and the lower die 8 is mounted on hydraulic conjunction
On mould 9；Hydraulic mould-matching disk 9 can oscilaltion, mold core (schematic diagram is not shown) is installed at center above；The upper mold 7
Top be provided with post rod mechanism 10, lower die 8 is one to be grouped together by eight pieces of arc panels and tire body matches
Casting region, arc panel can be mounted on hydraulic mould-matching disk 9 with moving horizontally；In view of tire body 1 with the face that contacts
The decorative pattern of upper setting moves towards right and wrong straight up, thus eight pieces of arc panels be designed as can the horizontal mode pulled open around,
To guarantee the integrality of decorative pattern；
Step 3: adding coating release agent on mold, by big Auxiliary support circle 4, small Auxiliary support circle 3 and high-intensitive grid cord fabric 6
It is placed in lower die 8；
Step 4: molding is poured；
Step 5: pressurizeing, primary to vulcanize, heat preservation；Holding temperature is 120 DEG C, vulcanization time 1 hour；
Step 6: die sinking: the outside surrounding of arc panel first is pulled open, the downward pushing tow tire body 1 of post rod mechanism 10, while hydraulic conjunction
Mould 9 is moved down together with lower die 8, and tire body 1 and upper mold 7 are detached from, and removes tire body 1；
Step 7: progress post-cure, 100 DEG C of holding temperature, soaking time 10 hours；Obtain tire body finished product.
The assembly technology of tire body 1 and wheel hub 2 are as follows: be set with tire body 1 on the hub 2 using press machine, tire
Main body 1 and wheel hub 2 are circumferentially fitted to each other the positioning for carrying out circumferential direction on face by concaveconvex structure, and cover board 5 is then passed through spiral shell
Bolt and wheel hub 2 tighten together, and carry out axially position to tire body 1, on the hub 2 by the fastening of tire body 1, complete
Assembly.The hub flange for assembling the air-free tyre completed is outside vehicle, and for tire body in centre, cover board is in vehicle
Inside, good visual effect is beautiful, is not likely to produce tire loosening.
Embodiment 2.
Referring to Fig. 9, the design principle of this tire body is identical as the principle of tire body in embodiment 1, and difference is
Inner support member selects high-intensitive grid cord fabric and an Auxiliary support circle, is applicable in small-sized way-train.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different, and above content is only to structure of the invention example explanation described in this specification.It is all according to
According to equivalence changes or simple change that the structure, feature and principle that the invention patent is conceived is done, it is included in of the invention special
In the protection scope of benefit.Those skilled in the art can do described specific embodiment various
The similar mode of modify or supplement or adopt substitute, without departing from structure of the invention or surmount the claims institute
The range of definition, is within the scope of protection of the invention.
Claims (5)
1. a kind of air-free tyre, including wheel hub, it is characterised in that: further include inner support member and tire body, the tire body
It is to use polyurethane rubber moulding by casting, and inner support member is placed in tire body；The inner support member uses high strength net
Lattice cord fabric and one or both of Auxiliary support circle made of steel band with holes；The tire body is assemblied on wheel hub,
The two is fitted to each other the positioning for carrying out circumferential direction on face by setting concaveconvex structure；The wheel hub uses aluminium alloy wheel hub,
The car axle hole for installing Automobile shaft is provided at hub centre, the side of wheel hub is flange rib structure, the flange
Rib structure is used to carry out axially position to the side of tire body, and cover board has been bolted in the other side of wheel hub；It is described
Tire body is pressed on wheel hub by cover board, prevents tire body axially displaced.
2. air-free tyre according to claim 1, it is characterised in that: the tire body is non-fully entity structure.
3. air-free tyre according to claim 1, it is characterised in that: the tire body be provided on the face that contacts
Decorative pattern.
4. air-free tyre according to claim 1, it is characterised in that: the high intensity grid cord fabric is viscous using strength
One of glue fiber, polyester fiber or Fypro first twist into cord fabric thread, are then woven into grid cord fabric, grid
Having a size of 10*10mm between 20*20mm.
5. a kind of production technology of the air-free tyre as described in claim 1-4 any claim, it is characterised in that: including wheel
The assembly technology of tire main body pouring technology and tire body and wheel hub；
Steps are as follows for tire body pouring technology:
Step 1: stock: determining the ratio of base polyurethane prepolymer for use as and curing agent according to the tire body model for different automobile types,
Base polyurethane prepolymer for use as and curing agent be mixed and stirred for uniformly；
Step 2: mold is preheated to 80-90 DEG C；
The mold includes upper die and lower die and hydraulic mould-matching disk；The upper mold fixed setting, the lower die are mounted on hydraulic mould-matching
On disk；Hydraulic mould-matching disk energy oscilaltion is equipped with mold core at center above；Mandril machine is provided with above the upper mold
Structure, lower die are that the casting region to match with tire body, arc panel are grouped together by least eight pieces of arc panels
It can be mounted on moving horizontally on hydraulic mould-matching disk；
Step 3: add coating release agent on mold, inner support member is placed in lower die；
Step 4: molding is poured；
Step 5: pressurizeing, primary to vulcanize, heat preservation；Holding temperature is 120 DEG C, vulcanization time 1 hour；
Step 6: die sinking: the outside surrounding of arc panel first is pulled open, the downward pushing tow tire body of post rod mechanism, while hydraulic mould-matching
Disk is moved down together with lower die, and tire body and upper mold are detached from, and removes tire body；
Step 7: progress post-cure, 100 DEG C of holding temperature, soaking time 10 hours；Obtain tire body finished product；
The assembly technology of tire body and wheel hub are as follows: tire body is sleeved on wheel hub using press machine, tire body and wheel
Hub is circumferentially fitted to each other the positioning for carrying out circumferential direction on face by concaveconvex structure, and cover board is then passed through bolt and wheel hub fastening
Together, axially position is carried out to tire body, so that tire body is fastened on wheel hub, completes assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732420.1A CN110435358B (en) | 2019-08-09 | 2019-08-09 | Airless tire and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732420.1A CN110435358B (en) | 2019-08-09 | 2019-08-09 | Airless tire and production process thereof |
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| Publication Number | Publication Date |
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| CN110435358A true CN110435358A (en) | 2019-11-12 |
| CN110435358B CN110435358B (en) | 2021-08-31 |
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| CN201910732420.1A Active CN110435358B (en) | 2019-08-09 | 2019-08-09 | Airless tire and production process thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021115364A1 (en) * | 2019-12-13 | 2021-06-17 | 苏州宝时得电动工具有限公司 | Mobile device |
| CN113427947A (en) * | 2021-05-31 | 2021-09-24 | 广东粤港澳大湾区黄埔材料研究院 | Non-pneumatic tire forming device |
| WO2023065009A1 (en) * | 2021-10-21 | 2023-04-27 | 1434822 Alberta Ltd. | Non-pneumatic tires for in-field irrigation systems |
| US11679622B2 (en) * | 2017-11-21 | 2023-06-20 | Starco DML, Ltd | Wheel assembly, method of manufacture and use thereof |
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| US11679622B2 (en) * | 2017-11-21 | 2023-06-20 | Starco DML, Ltd | Wheel assembly, method of manufacture and use thereof |
| WO2021115364A1 (en) * | 2019-12-13 | 2021-06-17 | 苏州宝时得电动工具有限公司 | Mobile device |
| CN113427947A (en) * | 2021-05-31 | 2021-09-24 | 广东粤港澳大湾区黄埔材料研究院 | Non-pneumatic tire forming device |
| CN113427947B (en) * | 2021-05-31 | 2022-06-17 | 广东粤港澳大湾区黄埔材料研究院 | Non-pneumatic tire forming device |
| WO2023065009A1 (en) * | 2021-10-21 | 2023-04-27 | 1434822 Alberta Ltd. | Non-pneumatic tires for in-field irrigation systems |
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| CN110435358B (en) | 2021-08-31 |
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