CN201389935Y - Curing mold for retreaded tire - Google Patents
Curing mold for retreaded tire Download PDFInfo
- Publication number
- CN201389935Y CN201389935Y CN200920022890U CN200920022890U CN201389935Y CN 201389935 Y CN201389935 Y CN 201389935Y CN 200920022890 U CN200920022890 U CN 200920022890U CN 200920022890 U CN200920022890 U CN 200920022890U CN 201389935 Y CN201389935 Y CN 201389935Y
- Authority
- CN
- China
- Prior art keywords
- liner plate
- tyre vulcanization
- crown
- retreaded
- die
- 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 - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000004073 vulcanization Methods 0.000 claims description 33
- 238000009413 insulation Methods 0.000 claims description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000005485 electric heating Methods 0.000 abstract 2
- 238000005987 sulfurization reaction Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The utility model relates to a mold used for tire retreading, which consists of an outer shell, a mold liner and electric heating elements, and is characterized in that the liner of the curing mold for the retreaded tire adopts the zone heating method. In the utility model, the liner of the curing mold for the retreaded tire adopts the zone heating method which is realized in that the electric heating elements form four heating units so as to heat crown liners of an upper mold and a lower mold and side toe port liners, and the temperature and time can be respectively controlled. The curing mold for the retreaded tire solves the problems of changing the integral heating form of the current tire retreading mold and the unreasonable design of the cavity, and provides a novel energy-saving curing mold for the retreaded tire.
Description
Technical field
The utility model relates to the mould that a kind of tyre rebuilding is used, and belongs to the rubber manufacturing machinery technical field.
Background technology
At present the mould that uses of tyre rebuilding all up and down two fans split, no matter be dapple or do not have decorative pattern, be Steam Heating, heat-conducting oil heating or electrically heated mould, all be whole heating.Mostly the method for renovating tyre of current trend is to renovate at crown, also be referred to as to knock over newly, only need during sulfuration partly to heat to tyre crown, whole heated mold is not only wasted heat energy, also easily carcass is caused damage, and influenced the service life of the sulfuration inner tube of a tyre.All-steel radial tyre is popularized rapidly, and in the near future, highway transport vehicle all can be eliminated cross-ply, replaced by radial, and the tyre rebuilding mould great majority that use now are used to renovate cross-ply, and its cavity dimension design is unreasonable, lack of standardization, cause squeegee action easily, be difficult to adapt to the renovation of all-steel radial tyre, so all adopted sulfurizing pot vulcanization, the investment of vulcanizing tank is big, supporting with it equipment, instrument are many, and production cost is just high naturally.
The utility model content
Technical problem to be solved in the utility model is exactly the form and the irrational situation of cavity design that will change present tyre rebuilding mold integral heating, and a kind of novel energy-conservation retreaded tyre vulcanization die is provided.
For addressing the above problem, the utility model by the following technical solutions:
Retreaded tyre vulcanization die is made of shell, mould liner plate and electrical heating elements, it is characterized in that: the liner plate of described retreaded tyre vulcanization die adopts the mode of subregion heating.
Below be the concrete technical scheme of such scheme:
Described retreaded tyre vulcanization die is divided into upper die and lower die, and counterdie is fixed, and patrix can be opened, and the mould liner plate of upper and lower mould is made up of crown liner plate and sidewall toe mouth liner plate respectively.
The liner plate of described retreaded tyre vulcanization die adopts the mode of subregion heating, forms four heating units by electrical heating elements, gives the crown liner plate and the heating of sidewall toe mouth liner plate of upper and lower mould respectively, can control temperature and time respectively.
The electrical heating elements of described retreaded tyre vulcanization die directly heats the liner plate of mould.
Between the crown liner plate of described retreaded tyre vulcanization die and the sidewall toe mouth liner plate a heat insulation gap is arranged, the little 10mm～30mm of radius of the crown of its radius ratio tire and carcass joint portion.
But filling with insulation material in the heat insulation gap between the crown liner plate of described retreaded tyre vulcanization die and the sidewall toe mouth liner plate.
The crown die cavity internal diameter of the crown liner plate of described retreaded tyre vulcanization die is bigger by 0.1%～0.5% than the diameter that does not vulcanize retreads that installs crown.
Height between the sidewall die cavity of the upper and lower sidewall toe mouth liner plate of described retreaded tyre vulcanization die is 95%～99% of a tyre section width.
The crown liner plate of described retreaded tyre vulcanization die and sidewall toe mouth liner plate are to adopt aluminum or aluminum alloy to make.
The sidewall toe mouth liner plate of described retreaded tyre vulcanization die is provided with the toe mouth and goes into the mould guide angle, and its angle is not more than 15 °, and the height of its guide section is not less than 30mm.
Beneficial effect
Retreaded tyre vulcanization die described in the utility model adopts the heating of mould liner plate subregion, economizes on electricity more than 50% than whole heated mold, and has the advantage that quick heating is convenient to control; When the sulfuration retreads,, only need to open crown liner plate heating unit if tire is not repaired a little; If the sidewall of tire or toe mouth need to repair, then only open sidewall toe mouth liner plate heating unit; If above-mentionedly either way have, then two groups of heating units all will be opened, but will control temperature and heat time heating time respectively, because of the thickness of crown is 3～4 times of sidewall thickness, do not only power saving like this but can prevent because of the sidewall aging.
Retreaded tyre vulcanization die liner plate described in the utility model is to adopt thermal conductivity aluminum or aluminum alloy manufacturing preferably, in order to reduce heat-energy losses, between crown liner plate and sidewall toe mouth liner plate, leave a heat insulation gap, can avoid both mutual conduction heat effectively, if insert heat-barrier material in the gap of between, both reduced transfer of radiant heat, and can prevent that again rubber from overflowing in the gap.Because half finished rubber need be filled in crown and carcass junction, so this position will be avoided in the heat insulation gap between crown liner plate and the sidewall toe mouth liner plate, makes the retreads good looking appearance of sulfuration.
Because all-steel radial tyre inflation back vary in diameter is less than 0.6%, the height of the die cavity internal diameter of the crown liner plate of retreaded tyre vulcanization die and upper and lower sidewall toe mouth liner plate die cavity must strictly be controlled, otherwise, the tire of sulfuration is not that distortion is exactly in conjunction with not firm, can not guarantee the quality of retreads.
The utility model is described in further detail below in conjunction with drawings and Examples:
Description of drawings
Accompanying drawing is the utility model retreaded tyre vulcanization die schematic diagram;
Among the figure: the 1st, mold shell, the 2nd, crown liner plate, the 3rd, heat insulation gap, the 4th, sidewall toe mouth liner plate, the 5th, thermal insulation layer, the 6th, heating, the 7th, crown die cavity, the 8th, tire shoulder die cavity (crown and carcass joint portion), the 9th, sidewall die cavity, the 10th, toe shape of the mouth as one speaks chamber.
The height of the upper and lower sidewall of H---die cavity
Φ--the internal diameter of-crown die cavity
α---toe mouth is gone into the mould guide angle
The specific embodiment
Embodiment, as shown in the figure, the 11.00R20 retreaded tyre vulcanization die is divided into upper die and lower die, mold shell 1 usefulness thickness is made greater than the steel plate of 12mm, can retrain the mould liner plate and bear tire curing pressure jointly with liner plate, be welded with the several piece deep floor on the shell, coated outside heat-insulation layer.The shell 1 of patrix also welds several clamping screw seats and opens the jacking cylinder frame etc. of patrix, and shell 1 bottom surface of counterdie is provided with mould rack and the locking screw stock corresponding with patrix etc.
In order to make mould liner plate quick heating, can between liner plate and mold shell 1, add the high asbestos board thermal insulation layer 5 of compression strength.Form four relatively independent heating units by heating 6, directly give crown liner plate 2 and 4 heating of sidewall toe mouth liner plate respectively, the thermal efficiency of this structure is the highest, and four heating units are respectively by temperature controller and time switch control.
Because the vary in diameter less than 0.6% after the all-steel radial tyre inflation is so the internal diameter Φ of crown die cavity 7 is bigger by 0.5% than the diameter that does not vulcanize retreads that installs crown.The height H of the sidewall die cavity 9 of upper and lower mould is 95% of a tyre section width, reasonably retrains the stress of the height relationships of sidewall die cavity to the tyre crown sulfuration.
For convenience tire is gone into mould, has designed the toe mouth and go into mould guide angle α=10 ° below the toe shape of the mouth as one speaks chamber 10 of sidewall toe mouth liner plate 4, and the height of its guide section is 60mm.
Claims (7)
1, retreaded tyre vulcanization die, it is characterized in that: retreaded tyre vulcanization die is made of shell, mould liner plate and electrical heating elements, retreads sulphur mould is divided into upper die and lower die, counterdie is fixed, patrix can be opened, and the mould liner plate of upper and lower mould is made up of crown liner plate and sidewall toe mouth liner plate respectively.
2, retreaded tyre vulcanization die according to claim 1 is characterized in that: between the crown liner plate of retreaded tyre vulcanization die and the sidewall toe mouth liner plate a heat insulation gap is arranged, the little 10mm～30mm of radius of the crown of its radius ratio tire and carcass joint portion.
3, retreaded tyre vulcanization die according to claim 1 and 2 is characterized in that: but filling with insulation material in the heat insulation gap between the crown liner plate of retreaded tyre vulcanization die and the sidewall toe mouth liner plate.
4, retreaded tyre vulcanization die according to claim 1 and 2 is characterized in that: the crown die cavity internal diameter of the crown liner plate of retreaded tyre vulcanization die is bigger by 0.1%～0.5% than the diameter that does not vulcanize retreads that installs crown.
5, retreaded tyre vulcanization die according to claim 1 and 2 is characterized in that: the height between the sidewall die cavity of the upper and lower sidewall toe mouth liner plate of retreaded tyre vulcanization die is 95%～99% of a tyre section width.
6, retreaded tyre vulcanization die according to claim 1 and 2 is characterized in that: the sidewall toe mouth liner plate of described retreaded tyre vulcanization die is provided with the toe mouth and goes into the mould guide angle, and its angle is not more than 15 °, and the height of its guide section is not less than 30mm.
7, retreaded tyre vulcanization die according to claim 1 is characterized in that: the crown liner plate of retreaded tyre vulcanization die and sidewall toe mouth liner plate are to adopt aluminum or aluminum alloy to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920022890U CN201389935Y (en) | 2009-03-09 | 2009-03-09 | Curing mold for retreaded tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920022890U CN201389935Y (en) | 2009-03-09 | 2009-03-09 | Curing mold for retreaded tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201389935Y true CN201389935Y (en) | 2010-01-27 |
Family
ID=41596758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920022890U Expired - Fee Related CN201389935Y (en) | 2009-03-09 | 2009-03-09 | Curing mold for retreaded tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201389935Y (en) |
-
2009
- 2009-03-09 CN CN200920022890U patent/CN201389935Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHUHAI AOXIN LIFTING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHONG AIMIN Effective date: 20130305 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 250002 JINAN, SHANDONG PROVINCE TO: 519055 ZHUHAI, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130305 Address after: 519055 Guangdong city of Zhuhai province Pingsha Town Industrial Zone No. 168 shamei Sheng Xian Lu Zhuhai Tianzhi ANZ Environmental Technology Co. Ltd. 1 workshop two Patentee after: Zhuhai New Zealand Lifting Technology Co., Ltd. Address before: 250002, West building, building two, building 238, heroic Road, Ji'nan, Ji'nan, Shandong Patentee before: Zhong Aimin |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20140309 |