CN2860803Y - Die without pore for meridian tyre surface - Google Patents
Die without pore for meridian tyre surface Download PDFInfo
- Publication number
- CN2860803Y CN2860803Y CN 200520140450 CN200520140450U CN2860803Y CN 2860803 Y CN2860803 Y CN 2860803Y CN 200520140450 CN200520140450 CN 200520140450 CN 200520140450 U CN200520140450 U CN 200520140450U CN 2860803 Y CN2860803 Y CN 2860803Y
- Authority
- CN
- China
- Prior art keywords
- tire
- fan
- mould
- shaped piece
- tyre surface
- 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
Images
Abstract
The utility model relates to a tire mould technical field, especially a meridian tire mould without air hole on the tire plane, which has tire plane thread pattern pieces molding the tire plane thread pattern. The tire plane thread pattern pieces consist of a connection sleeve and several sector segment set in the connection sleeve in circumference distribution. Gaps are set between adjacent sector segments. The inner wall of the sector segment has the profile for molding the tire plane thread pattern. The meridian tire mould without air hole on the tire plane makes use of the slim gap between the sector segments to replace air exhaust hole of traditional mould to exhaust the air between the green tire and the mould tire plane. As the gap is slim, only the trace of the segment gas rather than glue pieces are left on the tire plane of the finished products. The appearance of the tire is smooth and nice, the rubber material of the tire is saved, the work time and charge of pruning the rubber pieces are saved and the cost for tire manufacture is reduced.
Description
Affiliated technical field
The utility model relates to the tire-mold technical field, especially a kind of meridian tyre surface non-air hole mould.
Background technology
Production process riding at present, that gently block radial-ply tyre generally has following steps: 1) will take turns fetus and be placed in the mold cavity that is heated to 180 ℃, the matched moulds pressurization; 2) pressurising in fetus is pressed to die cavity sidewall and tyre surface with fetus; 3) air between fetus and the mould tyre surface is discharged by steam vent, makes sizing material be full of die cavity easily; 4) pressurize is 8～10 minutes, the fetus typing, and the die sinking rear tyre is deviate from die cavity.In tire vulcanization process, because the tread contour complexity, the air between fetus and die cavity the phenomenon that place, decorative pattern dead angle sizing material is not fully filled will occur as can not smooth and easyly discharging, and causes waste product.Therefore, tire plant has the strict smooth and easy requirement of exhaust to mould.During mfg. moulding die, according to the exhaust requirements of tire, bore the rod radial air vent of some at the mould tyre surface, diameter is generally Φ 0.6～Φ 1.2mm.In sulfidation, the air between fetus and the mould tyre surface is by discharging in the steam vent, and sizing material also enters in the steam vent simultaneously, and staying diameter at surface of tyre after the demoulding is Φ 0.6～Φ 1.2mm, and length is the adhesive tape of 8～15mm.Utilize this mould to produce tire, Φ 0.6～Φ 1.2mm is arranged on the tyre surface of tire, length is the adhesive tape of 8～15mm, and just burr influences Appcarance guality of tyres on the one hand, wastes sizing material on the other hand.For improving Appcarance guality of tyres, need the artificial adhesive tape of pruning, increased the production cost of tire again.
Summary of the invention
In order to overcome the deficiency of existing riding, light clamp noon loose tool tool, the purpose of this utility model provides a kind of meridian tyre surface non-air hole mould, this mould utilizes slit small between fan-shaped piece to replace the steam vent of traditional moulds, discharge the air between fetus and the mould tyre surface, because the slit is very little, so the finished tire face only leaves the vestige in fan-shaped piece slit and do not have adhesive tape.
Technology and case that its technical problem that solves the utility model adopts are: a kind of meridian tyre surface non-air hole mould, tread block with molded tread contour, tread block is made up of coupling sleeve and several fan-shaped pieces that are arranged on the distribution of coupling sleeve inner periphery, be provided with the slit between adjacent fan-shaped piece, fan-shaped piece inwall has the profile that is used for molded tread contour.
For guaranteeing that in tire vulcanization process the exhaust gross area in slit is enough, described fan-shaped piece is that the position that has the exhaust characteristic point in arranging by the decorative pattern pitch is cut apart.
For guaranteeing that in tire vulcanization process the smooth and easy discharge of air energy between fetus and die cavity only leaves the vestige in piece slit again and do not have adhesive tape at the finished tire face simultaneously, the width in described slit is 0.01～0.02mm.
For guaranteeing that fan-shaped piece of unobstructed while of exhaust has enough intensity, described fan-shaped piece thickness L is 16～20mm.
For in tire vulcanization process, exhaust is more smooth and easy, and described fan-shaped piece two side outer rim is provided with venting cavity, and the venting cavity place corresponding to fan-shaped piece on the coupling sleeve is provided with venting cavity, and venting cavity is provided with the venting channels that leads to the coupling sleeve outer wall.
The beneficial effects of the utility model are, the tread block of meridian tyre surface non-air hole mould of the present utility model is made up of coupling sleeve and several fan-shaped pieces that are arranged on the distribution of coupling sleeve inner periphery, be provided with the slit between adjacent fan-shaped piece, utilize slit small between fan-shaped piece to replace the steam vent of traditional moulds, discharge the air between fetus and the mould tyre surface, because the slit is very little, therefore the finished tire face only leaves the vestige in piece slit and does not have adhesive tape, tire outward appearance polishing is attractive in appearance, save tyre stock, reduced the tire cost of manufacture.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of meridian tyre surface non-air hole mould of the present utility model.
Fig. 2 is the structural representation of the tread block in the utility model.
The schematic diagram of the fan-shaped piece inwall in Fig. 3 the utility model.
Fig. 4 is the structural representation of the tread block of original radial-ply tyre mould.
Fig. 5 is the schematic diagram of the inwall of original fan-shaped piece.
Among the figure, 1. tread block, 11. coupling sleeves, 111. venting cavities, 12. fan-shaped pieces, 121. venting cavities, 112. venting channels, 13. slits, 14. steam vents, 2. patrix sidewall, 3. counterdie sidewall.
The specific embodiment
As Fig. 1,2, meridian tyre surface non-air hole mould of the present utility model shown in 3, tread block 1 with molded tread contour, patrix sidewall 2 and counterdie sidewall 3, tread block 1 is made up of coupling sleeve 11 and several fan-shaped pieces 12 that are arranged on the distribution of coupling sleeve 11 inner peripherys, fan-shaped piece 12 thickness L are 16～20mm, fan-shaped piece 12 is that the position that has the exhaust characteristic point in arranging by the decorative pattern pitch is cut apart, 12 of adjacent fan-shaped pieces are provided with slit 13, the width in slit 13 is 0.01～0.02mm, fan-shaped piece 12 inwalls have the profile that is used for molded tread contour, fan-shaped piece 12 two side outer rims are provided with venting cavity 121, venting cavity 121 places corresponding to fan-shaped piece 12 on the coupling sleeve 11 are provided with venting cavity 111, and venting cavity 111 is provided with the venting channels 112 that leads to coupling sleeve 11 outer walls.
In tire vulcanization process, the air between fetus and die cavity is arranged to venting cavity 121 by the slit 13 of 12 of fan-shaped pieces, by venting cavity 121 on the fan-shaped piece 12 and the venting cavity 111 on the coupling sleeve 11, discharges through venting channels 112.When manufacturing specification is the 185/60R14 radial-ply tyre, slit 13 width are 0.02mm, and length is 250mm, because of slit 13 is to cut apart by the position that has the exhaust characteristic point in the arrangement of decorative pattern pitch, therefore every pitch has a slit 13, and its exhaust gross area is 0.02 * 250mm=5mm
2
The tread block of the original radial-ply tyre mould shown in Fig. 4,5 is drilled with rod radial air vent 14 on the tread block, when manufacturing specification was the 185/60R14 radial-ply tyre, the quantity of the steam vent 14 of every pitch was 10, and the aperture is Φ 0.8mm, and the exhaust gross area is 0.4
2* π * 10=5mm
2
Therefore, utilize the steam vent on the traditional mould of slit replacement small between fan-shaped piece, can reach identical exhaust effect; And because the slit is very little, so the finished tire face only leaves the vestige in piece slit and do not have adhesive tape, tire outward appearance polishing is attractive in appearance, saves tyre stock, saves and prunes the adhesive tape work time cost, has reduced the tire cost of manufacture.
Claims (5)
1, a kind of meridian tyre surface non-air hole mould, tread block (1) with molded tread contour, it is characterized in that: described tread block (1) is by coupling sleeve (11) and be arranged on several fan-shaped pieces (12) that coupling sleeve (11) inner periphery distributes and form, be provided with slit (13) between adjacent fan-shaped piece (12), fan-shaped piece (12) inwall has the profile that is used for molded tread contour.
2, meridian tyre surface non-air hole mould according to claim 1 is characterized in that: described fan-shaped piece (12) is that the position that has the exhaust characteristic point in arranging by the decorative pattern pitch is cut apart.
3, meridian tyre surface non-air hole mould according to claim 1 is characterized in that: the width of described slit (13) is 0.01～0.02mm.
4, meridian tyre surface non-air hole mould according to claim 1 is characterized in that: described fan-shaped piece (12) thickness L is 16～20mm.
5, meridian tyre surface non-air hole mould according to claim 1, it is characterized in that: described fan-shaped piece (12) two side outer rim is provided with venting cavity (121), coupling sleeve (11) is gone up and is located to be provided with venting cavity (111) corresponding to the venting cavity (121) of fan-shaped piece (12), and venting cavity (111) is provided with the venting channels (112) that leads to coupling sleeve (11) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520140450 CN2860803Y (en) | 2005-12-27 | 2005-12-27 | Die without pore for meridian tyre surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520140450 CN2860803Y (en) | 2005-12-27 | 2005-12-27 | Die without pore for meridian tyre surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2860803Y true CN2860803Y (en) | 2007-01-24 |
Family
ID=37658431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520140450 Expired - Lifetime CN2860803Y (en) | 2005-12-27 | 2005-12-27 | Die without pore for meridian tyre surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2860803Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890771A (en) * | 2010-07-29 | 2010-11-24 | 厦门升正机械有限公司 | Exhaust improved structure for ring die |
| CN109689323A (en) * | 2016-08-12 | 2019-04-26 | 通伊欧轮胎株式会社 | The manufacturing method of tyre vulcanized mould, tire curing unit and tire |
-
2005
- 2005-12-27 CN CN 200520140450 patent/CN2860803Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890771A (en) * | 2010-07-29 | 2010-11-24 | 厦门升正机械有限公司 | Exhaust improved structure for ring die |
| CN109689323A (en) * | 2016-08-12 | 2019-04-26 | 通伊欧轮胎株式会社 | The manufacturing method of tyre vulcanized mould, tire curing unit and tire |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100469548C (en) | Meridian tyre surface non-air hole mould | |
| CN201544373U (en) | Tire segmented mold pattern block | |
| CN203272927U (en) | Outlet valve of tire die | |
| CN2860803Y (en) | Die without pore for meridian tyre surface | |
| CN201371532Y (en) | Piston dust guard mold | |
| CN201235603Y (en) | Single-mould body multi-bottle type blow molding mould easy to replace bottle shape structure | |
| CN203650758U (en) | Large-size peroxide vulcanized EPDM sealing ring machining and molding device | |
| CN201244883Y (en) | Radial tire loose mould tire side board | |
| CN102205660A (en) | Laminated vent-hole-free adjustable mould of automobile radial tyre | |
| CN201506030U (en) | Carbon fiber wheel ring shaping die | |
| CN204936057U (en) | The mould of mold insert is changed in a kind of front | |
| CN201931623U (en) | Lamella-type loose die without vent hole for automobile radial tire | |
| CN2647546Y (en) | Vehicle type die | |
| CN203739069U (en) | Tire tread pattern mold structure | |
| CN110625892A (en) | Tire preparation mold, tire prepared by mold and preparation method of tire | |
| CN220763233U (en) | Two half moulds of tyre | |
| CN211105098U (en) | Novel multi-size tire vulcanization mold | |
| CN217123695U (en) | Rubber butyl exhaust device of tire mold, tire mold and tire | |
| CN219583564U (en) | Tire mold | |
| CN203994751U (en) | Be applicable to the shaped device of different model radial tyre production | |
| CN203753035U (en) | Product external identifier structure | |
| CN208359293U (en) | One kind being used for the double-colored molding injection mold of mouse lower cover | |
| CN203697311U (en) | Split pattern module processing mold | |
| CN217346249U (en) | Tire mold structure with replaceable steel sheet and replaceable pattern ribs | |
| CN214214597U (en) | Mouse roller injection molding mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090318 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |