CN2931058Y - Composite tyre indefinite die - Google Patents
Composite tyre indefinite die Download PDFInfo
- Publication number
- CN2931058Y CN2931058Y CN 200620062698 CN200620062698U CN2931058Y CN 2931058 Y CN2931058 Y CN 2931058Y CN 200620062698 CN200620062698 CN 200620062698 CN 200620062698 U CN200620062698 U CN 200620062698U CN 2931058 Y CN2931058 Y CN 2931058Y
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- China
- Prior art keywords
- indefinite
- pattern block
- tyre
- composite tyre
- die according
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- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The utility model discloses a composite tyre adjustable mould, which comprises a tracery block and a mould frame, wherein, a plurality of tracery blocks comprises annular spaces for molding tyre surface. The tracery block can rotate independently in radial direction and is fixed on the mould frame. The composite tyre adjustable mould is of compact structure, flexible and reliable movement and convenient unloading of tyre. The utility model is the adjustable mould structure comprising the mould frame and the tracery block, thereby facilitating the loading of moulding tyre and unloading by casting, little shift and deformation in unloading process. The rotary open and close mould structure of the tracery block of the utility model makes the mould closing position more precise, good repeatability and uneasy shift.
Description
Technical field
The utility model relates to a kind of activating mold, is meant the activating mold 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 green tyre with composite rubber-polyurethane elastomer structure ", 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, the purpose of this utility model 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.
The purpose of this utility model 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, and 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.
Operation principle of the present utility model 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 utility model compared with prior art has following advantage and beneficial effect:
1, the utility model is formed 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 the utility model pattern block (being rotary type die sinking, matched moulds structure) makes the matched moulds positional precision height of pattern block, and good reproducibility is difficult for displacement.
Description of drawings
Fig. 1 is the utility model one structural representation.
Fig. 2 is another structural representation of the utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is done detailed description further, but embodiment of the present utility model is 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 the utility model composite tyre indefinite die.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 l2 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, interval, respectively 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) feeds heat medium (medium can be oil, water or steam etc.) 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.
(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), be incubated we (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 plane of orientations are 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, and 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 1 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.
8, a kind of composite tyre indefinite die according to claim 1, it is characterized in that: described rolling bearing units are screwed plane on standard station.
9, 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, and the vertical direction of positioning seat is provided with the location-plate that can regulate the pattern block position.
10, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620062698 CN2931058Y (en) | 2006-08-08 | 2006-08-08 | Composite tyre indefinite die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620062698 CN2931058Y (en) | 2006-08-08 | 2006-08-08 | Composite tyre indefinite die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2931058Y true CN2931058Y (en) | 2007-08-08 |
Family
ID=38347558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620062698 Expired - Lifetime CN2931058Y (en) | 2006-08-08 | 2006-08-08 | Composite tyre indefinite die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2931058Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101125450B (en) * | 2007-09-23 | 2010-09-08 | 江志锡 | Tyre adjustable mould |
| CN105157552A (en) * | 2015-07-19 | 2015-12-16 | 张昌金 | Echo enhancing method of a magnetostrictive displacement sensor and application thereof |
| CN112721114A (en) * | 2020-12-17 | 2021-04-30 | 陈嘉惠 | High-molecular rubber tire rapid thermal forming machine |
-
2006
- 2006-08-08 CN CN 200620062698 patent/CN2931058Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101125450B (en) * | 2007-09-23 | 2010-09-08 | 江志锡 | Tyre adjustable mould |
| CN105157552A (en) * | 2015-07-19 | 2015-12-16 | 张昌金 | Echo enhancing method of a magnetostrictive displacement sensor and application thereof |
| CN112721114A (en) * | 2020-12-17 | 2021-04-30 | 陈嘉惠 | High-molecular rubber tire rapid thermal forming machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |