CN100537174C - Composite tyre indefinite die and method of using the same - Google Patents
Composite tyre indefinite die and method of using the same Download PDFInfo
- Publication number
- CN100537174C CN100537174C CNB2006100369702A CN200610036970A CN100537174C CN 100537174 C CN100537174 C CN 100537174C CN B2006100369702 A CNB2006100369702 A CN B2006100369702A CN 200610036970 A CN200610036970 A CN 200610036970A CN 100537174 C CN100537174 C CN 100537174C
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- Prior art keywords
- pattern block
- indefinite
- tyre
- positioning seat
- tire
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- Expired - Fee Related
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- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 13
- 229920002635 polyurethane Polymers 0.000 claims description 17
- 239000004814 polyurethane Substances 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 14
- 229920001971 elastomer Polymers 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 2
- 230000003213 activating effect Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- HCOLPNRPCMFHOH-UHFFFAOYSA-N Prodigiosin Natural products CCCCCC1C=C(C=C/2N=C(C=C2OC)c3ccc[nH]3)N=C1C HCOLPNRPCMFHOH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- TWFGRJUTAULJPZ-USZBIXTISA-N prodigiosin Chemical compound N1=C(C)C(CCCCC)=C\C1=C/C1=NC(C=2[N]C=CC=2)=C[C]1OC TWFGRJUTAULJPZ-USZBIXTISA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a composite tyre flexible mould and relative method, wherein said mould comprises pattern block and mould support; several pattern blocks form one annular space for molding the surface of tyre; the pattern block that independently radial rotate is fixed on the mould support; said inventive mould has compact structure, flexible motion, and easy installment. And with said invention, the tyre can be detached with small displacement and deformation. And mould close position has high accuracy.
Description
Technical field
The present invention relates to a kind of activating mold, be meant activating mold and using method thereof that a kind of polyurethane tread-rubber tyre body composite construction tire cast tyre surface is used especially.
Background technology
Along with improving constantly of people's environmental consciousness, each giant tyre company accelerates the development paces to green tire in succession both at home and abroad.At present, have energy-conservation, as to reduce pollution, high-speed secure, durable contour performance tire and become the target of research and development.Advantages such as pu tire is little with its resistance to rolling, oil consumption is low, toxic emission is few, treadwear thing environmentally safe and become the focus that everybody competitively studies.Major company of external a few family explores since the sixties in 20th century and makes tire with polyurethane, China to the research of kind of pouring tire with polyurethane since the nineties in 20th century.Application number is that " 01114798 ", denomination of invention are " manufacture method of rubber-polyurethane elastomer composite construction green tire ", and application number is " 200310111979 ", denomination of invention are relevant polyurethane tread-rubber tyre body composite construction tire for " polyurethane tread-rubber tyre body composite construction green tire and manufacture method thereof " invention.Above-mentioned patent is cast polyurethane on the rubber tyre carcass, with the tire of formation rubber elastomer carcass, polyurethane tread, and the pouring technology of described composite tyre, tire normal pressure insulation sulfuration is about 60 minutes when requiring cast.
At present, be usually used in the tyre vulcanization forming mould, divided mold halves and activating mold two big classes by its structure.Because each pattern block of activating mold can independently move radially, make tire displacement in typing, tread flaking process, be out of shape advantages such as less, be widely used in and produce high performance tubeless radial.Guidance mode when activating mold moves according to it, tapered plane guiding activating mold and taper seat guiding activating mold are arranged, but the action of both opening and closing moulds is and relies on the associated mechanisms of tyre vulcanizer to drive the upper and lower motion of corresponding part, drives pattern block by tapered plane or taper seat and makes radially opening and closing movement.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art part, primary and foremost purpose of the present invention is to provide a kind of composite tyre indefinite die.This composite tyre indefinite die compact conformation, the motion flexibility and reliability, tire is easy to loading and unloading.This segmented mold prodigiosin satisfies the pouring technology requirement of polyurethane tread-rubber tyre body composite construction tire, produces high-quality outward appearance tire, is convenient to processing, installs, and is easy to use.
Another object of the present invention is to provide the using method of above-mentioned composite tyre indefinite die.
Purpose of the present invention is achieved through the following technical solutions:
A kind of composite tyre indefinite die comprises pattern block and mould bases, and some pattern blocks are formed the annular space of a plastic tire tread, and the pattern block that can do independently radially to rotate is fixed on the mould bases; Described mould bases comprises supporting leg, standard station, rotating group is fit and the location core; Described rotating group zoarium is made up of cylinder, connecting rod, rolling bearing units, rotating shaft and positioning seat; Supporting leg is fixed in the standard station lower plane; Fairlead, spigot nut are respectively with being threaded or being welded in the standard station lower plane; The adjustment screw rod is installed in spigot nut, fairlead; Cylinder is fixed on below the standard station by cylinder block; Supporting disk, rolling bearing units are separately fixed at plane on the standard station; One end of connecting rod is connected with the cylinder piston knock-off joint, and the other end of connecting rod is connected with rotating shaft; Positioning seat is connected with rotating shaft; Pattern block is connected with positioning seat by screw thread; Be equipped with plug hole on pattern blocks; Align with cylinder axis in described fairlead center, spigot nut center; The fit group of described rotating group number equates with pattern block quantity.
In order to realize the present invention better, described pattern block can be 6～20; Described 6～20 pattern blocks are stitched together the back inner ring for circular, and the outer ring can be a regular polygon, also can be circular.
Every 1～4 1 plug hole that is equipped with on pattern blocks, the cast plug is housed on each plug hole.
In order to control temperature, what can offer heat medium circulation in pattern block adds hot flow path or heating jacket, also can be that pattern block is connected with heat-conducting plate by screw, offers to add hot flow path or heating jacket in heat-conducting plate.
Described supporting disk is with being threaded or being weldingly fixed on plane on the standard station; Described rolling bearing units are screwed plane on standard station.
The cylinder of described rotating group zoarium also can be oil cylinder, water vat, worm and gear or feed screw nut etc., and the rotation of rotating group zoarium is driven by these power set (cylinder, oil cylinder, water vat, worm and gear or feed screw nut etc.).
The plane of orientation of described positioning seat is provided with 4～20 locating holes, is provided with the location-plate that can regulate the pattern block position at the vertical direction of positioning seat, makes a whole set of mould bases can form (6～20) pattern block for difference and uses.
Described positioning seat, connecting rod are connected with rotating shaft by the hole of band keyway respectively.
A kind of using method of composite tyre indefinite die comprises the steps:
(1) feeds heat medium in the pattern block and be heated to 60～150 ℃, tire to be cast is installed on the composite tyre indefinite die, in tire, fill 1～10kg/cm
2Air pressure, described heat medium can be oil, water or steam etc.
(2) cylinder drives the fit rotation of rotating group, make pattern block make independent rotation and matched moulds to the center, when link motion when contacting with the termination of separately adjustment screw rod, each pattern block stop motion, the combination of pattern block inner ring is combined into a full circle, makes the gap that forms an annular between pattern block inner chamber and the tire.
(3) polyurethane liquid is injected in annular gap from each plug hole, treat that polyurethane liquid is full of whole belt gap naturally after, with pouring into a mould plug plug hole is blocked; Under the normal pressure (i.e. 1 atmospheric pressure), 60～150 ℃ are incubated 30～90 minutes, and cylinder drivening rod, rolling bearing units, rotating shaft and positioning seat rotate together then, make pattern block outwards make independent rotation and die sinking; Take out tire from the pattern block upper end, promptly make polyurethane tread-rubber tyre body composite construction tire.
Operation principle of the present invention is: by the stretching out or withdraw of cylinder piston rod, drivening rod, positioning seat, pattern block certain angle that rotates around the axis is carried out die sinking or matched moulds.During matched moulds, cylinder piston rod withdrawal, drivening rod rotates, and connecting rod is by being contained in rotating shaft on the bearing and driving positioning seat and pattern block rotates to mold center around the shaft, and each pattern block self-movement stops during to certain position simultaneously, and inner ring just in time is combined into a full circle; During die sinking, cylinder piston rod stretches out, the outside around the shaft rotating certain angle of drivening rod, positioning seat and pattern block, and pattern block opens, and takes off tire from the pattern block upper end.
The present invention compared with prior art has following advantage and beneficial effect:
1, the present invention forms the activating mold structure by mould bases and pattern block, makes the dress tire of moulding by casting and unload tire easy to operation, and tire unloads tire process displacement, distortion is little.
2, the rotating group zoarium of pattern block of the present invention (being rotary type opening and closing mode structures) makes the matched moulds positional precision height of pattern block, and good reproducibility is difficult for displacement.
Description of drawings
Fig. 1 is the present invention's one structural representation.
Fig. 2 is another structural representation of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is done detailed description further, but embodiments of the present invention are not limited thereto.
Embodiment one
As shown in Figure 1, composite tyre indefinite die comprises 8 pattern blocks and mould bases; 8 pattern blocks 11 are formed the annular space of a plastic tire tread, and the pattern block that can do independently radially to rotate is fixed on the mould bases; The structure that supporting leg 1, cylinder 2, standard station 7, rotating shaft 9, positioning seat 10, pattern block 11, connecting rod 12 and location core 15 are formed is the basic structure of composite tyre indefinite die of the present invention.Mould bases comprises supporting leg 1, standard station 7, rotating group is fit and location core 15; The rotating group zoarium is made up of cylinder 2, connecting rod 12, rolling bearing units 8, rotating shaft 9 and positioning seat 10; Supporting leg 1 is screwed in the standard station lower plane; Fairlead 4, spigot nut 5 are welded on standard station 7 lower planes, install in spigot nut 5, fairlead 4 and adjust screw rod 6; Adjusting screw rod 6 can move forward and backward in spigot nut 5, fairlead 4; Supporting disk 14 is welded on plane on the standard station 7, and supporting disk 14 upper ends cooperate with location core 15 with hole or boss and are screwed; Cylinder 2 is screwed below standard station 7 by cylinder block 3; Described fairlead 4 centers, spigot nut 5 centers and cylinder 2 center-aligned; Rolling bearing units 8 are screwed flat bearing rotating shaft 9 on standard station 7; One end of connecting rod 12 and cylinder piston knock-off joint 13 are connected by bearing pin, and the other end of connecting rod 12 is connected with rotating shaft 9; Positioning seat 10, connecting rod 12 are connected (perhaps positioning seat 10 also can fuse by welding or casting with connecting rod 12) by the hole of band keyway respectively with rotating shaft 9.The last plane of positioning seat 10 is fixed by screw thread and pattern block 11 lower planes; In the pattern block 11 hot flow path of adding is arranged, on the promptly symmetrical pattern block in 3 pattern block positions, every interval, have 1 plug hole, cast plug 16 is housed on each plug hole.The fit group of rotating group number is 8, equates with pattern block quantity.8 pattern blocks are stitched together the back inner ring for circular, and the outer ring is an octagon.
The using method of composite tyre indefinite die comprises the steps: that this its unique distinction of composite tyre indefinite die using method is: liquid castable is reinforced, pressureless compacting, and radially die sinking matched moulds is carried out in non-pressure cure, pattern block independent rotation.
(1) in pattern block, feeds heat medium (medium can be oil, water or steam etc.) and be heated to 60～150 ℃, tire to be cast is installed on the composite tyre indefinite die, in tire, fill 1～10kg/cm
2Air pressure.
(2) cylinder drivening rod, rolling bearing units, rotating shaft and positioning seat rotate together, make pattern block make independent rotation and matched moulds to the center, when link motion when contacting with the termination of separately adjustment screw rod, each pattern block stop motion, the combination of pattern block inner ring is combined into a full circle, makes and forms an annular gap between pattern block inner chamber and the tire.
(3) polyurethane liquid is injected in annular gap from each plug hole, treat that polyurethane liquid is full of whole annular gaps naturally after, with pouring into a mould plug plug hole is blocked; Under the normal pressure (i.e. 1 atmospheric pressure), insulation (60 ℃～150 ℃) 30～90 minutes; Cylinder drivening rod, rolling bearing units, rotating shaft and positioning seat rotate together then, make pattern block outwards make independent rotation and die sinking; Take out tire, promptly make polyurethane tread-rubber tyre body composite construction tire.
Embodiment two
As shown in Figure 2, embodiment two structures and embodiment one structure are basic identical, and its difference is that positioning seat 10 is provided with 6 locating holes, and a whole set of mould bases can be used for the pattern block of 2 kinds of different sizes, and every kind has 8 pattern blocks; The vertical direction of positioning seat 10 is provided with the location-plate that can regulate the pattern block position; Add hot flow path or heating jacket and open in heat-conducting plate 17 rather than in pattern block 11, promptly heat-conducting plate 17 and pattern block 11 are connected by screw.The last plane of positioning seat 10 respectively with heat-conducting plate 17, pattern block 11 by being threaded.
Claims (10)
1, a kind of composite tyre indefinite die comprises pattern block and mould bases, and some pattern blocks are formed the annular space of a plastic tire tread, and the pattern block that can do independently radially to rotate is fixed on the mould bases; It is characterized in that: described mould bases comprises supporting leg, standard station, rotating group is fit and the location core; Described rotating group zoarium is made up of cylinder, connecting rod, rolling bearing units, rotating shaft and positioning seat; Supporting leg is fixed in the standard station lower plane; Fairlead, spigot nut are respectively with being threaded or being welded in the standard station lower plane; The adjustment screw rod is installed in spigot nut, fairlead; Cylinder is fixed on below the standard station by cylinder block; Supporting disk, rolling bearing units are separately fixed at plane on the standard station; One end of connecting rod is connected with the cylinder piston knock-off joint, and the other end of connecting rod is connected with rotating shaft; Positioning seat is connected with rotating shaft; Pattern block is connected with positioning seat by screw thread; Be equipped with plug hole on pattern blocks; Align with cylinder axis in described fairlead center, spigot nut center; The fit group of described rotating group number equates with pattern block quantity.
2, a kind of composite tyre indefinite die according to claim 1 is characterized in that: described pattern block is 6～20.
3, a kind of composite tyre indefinite die according to claim 2 is characterized in that: described 6～20 pattern blocks are stitched together the back inner ring for circular, and the outer ring is regular polygon or circle.
4, a kind of composite tyre indefinite die according to claim 1 is characterized in that: 1 plug hole that is equipped with on pattern blocks every 1～4, be equipped with the cast plug on each plug hole.
5, a kind of composite tyre indefinite die according to claim 1 is characterized in that: offer in the described pattern block and add hot flow path or heating jacket.
6, a kind of composite tyre indefinite die according to claim 1, it is characterized in that: described pattern block is connected with heat-conducting plate by screw, offers to add hot flow path or heating jacket in heat-conducting plate.
7, a kind of composite tyre indefinite die according to claim 1 is characterized in that: described supporting disk is with being threaded or being weldingly fixed on plane on the standard station; Described rolling bearing units are screwed plane on standard station.
8, a kind of composite tyre indefinite die according to claim 1 is characterized in that: the plane of orientation of described positioning seat is provided with 4～20 locating holes, is provided with the location-plate that can regulate the pattern block position at the vertical direction of positioning seat.
9, a kind of composite tyre indefinite die according to claim 1 is characterized in that: described positioning seat, connecting rod are connected with rotating shaft by the hole of band keyway respectively.
10, the using method of each described composite tyre indefinite die of claim 1～9 comprises the steps:
(1) in pattern block, feeds heat medium and be heated to 60～150 ℃, tire to be cast is installed on the composite tyre indefinite die, in tire, fill 1～10kg/cm
2Air pressure, described heat medium is oil, water or steam;
(2) cylinder drivening rod, rolling bearing units, rotating shaft and positioning seat rotate together, make pattern block make independent rotation and matched moulds to the center, when link motion when contacting with the termination of separately adjustment screw rod, each pattern block stop motion, the combination of pattern block inner ring is combined into a full circle, makes and forms an annular gap between pattern block inner chamber and the tire;
(3) polyurethane liquid is injected in annular gap from each plug hole, treat that polyurethane liquid is full of the gap of full annular naturally after, with pouring into a mould plug plug hole is blocked; Under normal pressure, 60～150 ℃ are incubated 30～90 minutes, and cylinder drivening rod, rolling bearing units, rotating shaft and positioning seat rotate together then, make pattern block outwards make independent rotation and die sinking; Take out tire, promptly make polyurethane tread-rubber tyre body composite construction tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100369702A CN100537174C (en) | 2006-08-08 | 2006-08-08 | Composite tyre indefinite die and method of using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100369702A CN100537174C (en) | 2006-08-08 | 2006-08-08 | Composite tyre indefinite die and method of using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1907674A CN1907674A (en) | 2007-02-07 |
| CN100537174C true CN100537174C (en) | 2009-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100369702A Expired - Fee Related CN100537174C (en) | 2006-08-08 | 2006-08-08 | Composite tyre indefinite die and method of using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100537174C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101125450B (en) * | 2007-09-23 | 2010-09-08 | 江志锡 | Tyre adjustable mould |
| CN104960116B (en) * | 2015-07-20 | 2017-06-20 | 无锡蕾菲赛尔机械科技有限公司 | A kind of tire petal mould adjusts frock |
| CN107876464B (en) * | 2017-12-14 | 2021-01-05 | 陈高强 | Tire cleaning device |
| CN108724634A (en) * | 2018-06-07 | 2018-11-02 | 青岛昕林普利优新材料科技有限公司 | A kind of spliced tire injection mold |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124345A (en) * | 1976-06-11 | 1978-11-07 | Lim-Holding S.A. | Apparatus for casting or injection-molding car tires |
-
2006
- 2006-08-08 CN CNB2006100369702A patent/CN100537174C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124345A (en) * | 1976-06-11 | 1978-11-07 | Lim-Holding S.A. | Apparatus for casting or injection-molding car tires |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1907674A (en) | 2007-02-07 |
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Denomination of invention: Composite tyre indefinite die and method of using the same Effective date of registration: 20140820 Granted publication date: 20090909 Pledgee: GUANGDONG MACHINERY IMP.&EXP. CO., LTD. Pledgor: Guangzhou SCUT Bestry Sci-Tech Ltd. Registration number: 2014990000682 |
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Address after: Luogang District jade Yan Lu HOLLEY street in Guangzhou City, Guangdong province 510630 No. 3 Patentee after: Guangzhou Chinese workers hundred river Science and Technology Ltd. Address before: W201 room 510640 Guangdong city of Guangzhou province Tianhe District Wushan South China University of Technology National University Science and Technology Park Building Patentee before: Guangzhou SCUT Bestry Sci-Tech Ltd. |
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Date of cancellation: 20150729 Granted publication date: 20090909 Pledgee: GUANGDONG MACHINERY IMP.&EXP. CO., LTD. Pledgor: Guangzhou SCUT Bestry Sci-Tech Ltd. Registration number: 2014990000682 |
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Denomination of invention: Composite tyre indefinite die and method of using the same Effective date of registration: 20150805 Granted publication date: 20090909 Pledgee: Bank of China Limited by Share Ltd Guangzhou Tianhe branch Pledgor: Guangzhou Chinese workers hundred river Science and Technology Ltd. Registration number: 2015990000641 |
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