CN204076599U - A kind of tire-mold structure and the tire with this tire-mold structure sulfuration - Google Patents
A kind of tire-mold structure and the tire with this tire-mold structure sulfuration Download PDFInfo
- Publication number
- CN204076599U CN204076599U CN201420447485.4U CN201420447485U CN204076599U CN 204076599 U CN204076599 U CN 204076599U CN 201420447485 U CN201420447485 U CN 201420447485U CN 204076599 U CN204076599 U CN 204076599U
- Authority
- CN
- China
- Prior art keywords
- tire
- mold structure
- groove
- steam vent
- sidewall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005987 sulfurization reaction Methods 0.000 title claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 10
- 238000004073 vulcanization Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005486 sulfidation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 210000002826 placenta Anatomy 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Classifications
-
- 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
- B60C2200/00—Tyres specially adapted for particular applications
- B60C2200/10—Tyres specially adapted for particular applications for motorcycles, scooters or the like
Landscapes
- 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 kind of tire-mold structure and the tire with this tire-mold structure sulfuration, the mold cavity surface of mould has the elevated regions of multiple groove for vulcanized tyre tread block and each groove vicinity, the sidewall of described groove is provided with steam vent, and forms the exhaust passage running through elevated regions between two steam vents of adjacent grooves.Use the tire that this tire-mold structure manufactures, the tyre surface of tire have the multiple pattern blocks corresponding with the groove of described mould, the circumferential surface of described pattern block is smooth, and the glue hair formed after described tyre vulcanization is fractured into two-section and stays respectively on the sidewall of adjacent described pattern block.The utility model not only ensures the exhaust performance of tire when vulcanization process, and the glue-free hair of tread block circumferential surface of tire after sulfuration, the tread appearance quality of finished tire is good, effectively promotes the quality of tire.
Description
Technical field
The utility model relates to a kind of mould structure and uses the tire of this mould structure sulfuration, especially a kind of mould for sulfuration motorcycle pneumatic tire and Pneumatic tire for motorcycle thereof.
Background technology
Usually mould is used in the vulcanization process of tire, existing motor vehicle wheel placenta great majority adopt two panels mould, by patrix, counterdie two panels forms, die cavity is provided with between upper die and lower die, Figure 1 shows that the mold cavity surface of existing motorcycle tyre mould inside, wherein mold cavity surface has the groove 20 ' of multiple symmetric arrays, 21 ' and 22 ', the tread block of tire is formed by groove, general meeting is at each groove 20 ' of mould, 21 ' and 22 ' bottom surface corner place increase steam vent 23 ', make when tire is in sulfuration, air residual between mould cavity surface and green tire is discharged by steam vent 23 ', the fillet that effectively can improve the tread block of tire is bad.But adopt the mould of this vent design, in sulfidation, rubber composition can flow in steam vent, residual glue hair can be formed on the tread block of tire after the demoulding, not only affect the outward appearance of tire, and tire handling when vehicle travels can be affected to a certain extent, if prune glue hair, not only need to expend more man power and material, add production cost, and prune after tire tread pattern block on leave the more marking, have impact on the exterior quality of tire.Based on above problem, propose the pneumatic tire of Pneumatic tire for motorcycle mould and this mold cure of use counting a optimization to improve this problem.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of tire-mold structure ensureing tire exhaust performance in sulfidation, and uses the tire of the smooth glue-free hair of the tread block circumferential surface of this mold cure rear tyre.
For achieving the above object, the utility model is by the following technical solutions:
A kind of tire-mold structure, the mold cavity surface of mould has the elevated regions of multiple groove for vulcanized tyre tread block and each groove vicinity, the sidewall of described groove is provided with steam vent, and forms the exhaust passage running through elevated regions between two steam vents of adjacent grooves.
Described steam vent is located at described texturearunaperpendicular on the sidewall of axis, and two steam vent positions of adjacent grooves are corresponding, forms the exhaust passage axially running through elevated regions between two steam vents.
The described steam vent be located on each described sidewall is one or more.
The aperture of described steam vent is 0.4mm ~ 1.5mm.
The peak of described steam vent is that elevated regions end face is apart from 10% ~ 50% of groove floor distance apart from the distance of described groove floor.
The distance of adjacent grooves between two adjacent walls perpendicular to axial direction is 2mm ~ 10mm.
Preferably, the distance of adjacent grooves between two adjacent walls perpendicular to axial direction is 3mm ~ 8mm.
A kind of tire adopting the sulfuration of above-mentioned tire-mold structure, the tyre surface of described tire have the multiple pattern blocks corresponding with the groove of described mould, the circumferential surface of described pattern block is smooth, and the glue hair formed after described tyre vulcanization is fractured into two-section and stays respectively on the sidewall of adjacent described pattern block.
After adopting technique scheme, the utility model is compared with existing background technology, and tool has the following advantages:
The sidewall of the utility model mould tread groove arranges multiple steam vent, and be connected between the steam vent of adjacent grooves, make tire in vulcanization process, air in die cavity is discharged in time by the steam vent of sidewall, not only effectively avoid pattern block fillet bad, and the glue hair formed after sulfuration is connected on the sidewall of tread block, ensure that sulfuration tire circumference smooth surface is out without the marking, do not need to prune burr in addition, decrease processing cost, improve presentation quality and the serviceability of tire.
Accompanying drawing explanation
Fig. 1 is that the tyre surface mold cavity surface of tire-mold of the prior art launches schematic diagram;
Fig. 2 is that the tyre surface mold cavity surface of tire-mold of the present utility model launches schematic diagram;
Fig. 3 is that the A-A ' of Fig. 2 is to sectional view.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment
Be illustrated in figure 2 the utility model mould tyre surface mold cavity surface, it is for the tread block of sulfuration motorcycle pneumatic tire, in fig. 2, X-direction is set as axis, Y direction is set as circumference, this mold cavity surface have the multiple grooves for tire curing tread block, groove be arranged so that mold cavity surface is divided into the elevated regions 1 around recessed district (i.e. each groove) and Ge Ao district, its further groove comprises the multiple intermediate groove 20 being located at zone line, be located at multiple side grooves 21 in region, intermediate groove 20 left and right sides and multiple outermost groove 22, intermediate groove 20, side grooves 21 and outermost groove 22 circumferentially arrange respectively and arrange in the bilateral symmetry of Y-axis, each groove is equidistant spread configuration on circumferential and axial, and recess sidewall bottom margin perpendicular to axial direction is parallel to each other, the distance L1 of adjacent grooves between two adjacent walls perpendicular to axial direction is 2mm ~ 10mm, be preferably 3mm ~ 8mm, when making Mold Making, the rigidity of the elevated regions of mould cavity surface can be guaranteed, improve die life.
For guaranteeing the exhaust of tread block in sulfidation, avoiding pattern block to produce fillet bad phenomenon, the sidewall of each groove being provided with steam vent, and forming the exhaust passage run through between two steam vents of adjacent grooves.Specifically as shown in Figure 2 and Figure 3, intermediate groove 20 has steam vent on sidewall 201 perpendicular to axial direction, side grooves 21 has the steam vent that position corresponds on sidewall 211 adjacent with it, steam vent is through the elevated regions 1 groove and communicate with the steam vent of adjacent grooves sidewall, thus forming the exhaust passage 24 axially running through two adjacent grooves, air is discharged extraneous by the air of final each exhaust passage 24 by the radial exhaust passage leading to mould sidewall.As shown in Figure 3, the distance h1 of the peak distance groove floor of steam vent is set to 10% ~ 50% of the distance h of the elevated regions 1 end face distance groove floor between groove, the aperture Φ A of steam vent is set to 0.4mm ~ 1.5mm, if because the aperture of steam vent is too small, exhaust performance is not good, cannot effectively improve tread block fillet bad, if aperture is excessive, glue hair not easy fracture, the tire molding after sulfuration is more difficult.
Each recess sidewall of mould can increase multiple steam vent respectively, and the number of steam vent can carry out corresponding increase and decrease according to the difference of the edge length of recess sidewall.
Use the tire after the utility model mold cure, its tyre surface is formed respectively with the intermediate groove 20 of mould, side grooves 21 and the corresponding multiple pattern blocks of outermost groove 22, when in the die cavity of green tire at mould during sulfuration, air in die cavity is discharged by the steam vent on sidewall, under the environment of HTHP, the glue hair remained in exhaust passage 24 is formed in the squeezed port of vulcanized rubber, and be connected between two adjacent tread block sidewalls, when the tire after sulfuration is from mold cavity during the demoulding, glue hair is fractured into two-section in exhaust passage 24, stay on the sidewall of adjacent two tread blocks respectively, this ensure that the circumferential surface of the tread block of vulcanised tyre is smooth without the marking, and the glue hair staying pattern block sidewall is owing to seeming not obvious, and do not affect presentation quality and the performance of tire, then need not remove, do not need separately to establish special messenger and equipment to carry out pruning burr, save manpower and time cost, reduce production cost, improve production efficiency.Therefore the utility model mold use not only ensures the exhaust performance of tire when vulcanization process, tread block is avoided to produce fillet bad phenomenon, the glue-free hair of tread block circumferential surface of the tire after sulfuration, do not affect tire handling when vehicle travels, and the tread appearance quality of finished tire is good, effectively promote the quality of tire.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (8)
1. a tire-mold structure, the mold cavity surface of mould has the elevated regions of multiple groove for vulcanized tyre tread block and each groove vicinity, it is characterized in that: the sidewall of described groove is provided with steam vent, and between two steam vents of adjacent grooves, form the exhaust passage running through elevated regions.
2. a kind of tire-mold structure according to claim 1, it is characterized in that: described steam vent is located at described texturearunaperpendicular on the sidewall of axis, and two steam vent positions of adjacent grooves are corresponding, between two steam vents, form the exhaust passage axially running through elevated regions.
3. a kind of tire-mold structure according to claim 1 and 2, is characterized in that: the described steam vent be located on each described sidewall is one or more.
4. a kind of tire-mold structure according to claim 3, is characterized in that: the aperture of described steam vent is 0.4mm ~ 1.5mm.
5. a kind of tire-mold structure according to claim 4, is characterized in that: the peak of described steam vent is that elevated regions end face is apart from 10% ~ 50% of groove floor distance apart from the distance of described groove floor.
6. a kind of tire-mold structure according to claim 1, is characterized in that: the distance of adjacent grooves between two adjacent walls perpendicular to axial direction is 2mm ~ 10mm.
7. a kind of tire-mold structure according to claim 1, is characterized in that: the distance of adjacent grooves between two adjacent walls perpendicular to axial direction is 3mm ~ 8mm.
8. one kind adopts the tire of the tire-mold structure sulfuration described in any one of claim 1 to 7, it is characterized in that: the tyre surface of described tire has the multiple pattern blocks corresponding with the groove of described mould, the circumferential surface of described pattern block is smooth, and the glue hair formed after described tyre vulcanization is fractured into two-section and stays respectively on the sidewall of adjacent described pattern block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447485.4U CN204076599U (en) | 2014-08-08 | 2014-08-08 | A kind of tire-mold structure and the tire with this tire-mold structure sulfuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447485.4U CN204076599U (en) | 2014-08-08 | 2014-08-08 | A kind of tire-mold structure and the tire with this tire-mold structure sulfuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204076599U true CN204076599U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420447485.4U Expired - Lifetime CN204076599U (en) | 2014-08-08 | 2014-08-08 | A kind of tire-mold structure and the tire with this tire-mold structure sulfuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204076599U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435292A (en) * | 2018-12-26 | 2019-03-08 | 高密同创气门芯有限公司 | A kind of exhaust apparatus, tire-mold and processing method |
| CN111660734A (en) * | 2019-03-06 | 2020-09-15 | 特耐橡胶工业有限公司 | Tire with tread exhaust groove |
-
2014
- 2014-08-08 CN CN201420447485.4U patent/CN204076599U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435292A (en) * | 2018-12-26 | 2019-03-08 | 高密同创气门芯有限公司 | A kind of exhaust apparatus, tire-mold and processing method |
| CN111660734A (en) * | 2019-03-06 | 2020-09-15 | 特耐橡胶工业有限公司 | Tire with tread exhaust groove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |