CN105479624A - Vacuum auxiliary exhausting type segmental mold - Google Patents
Vacuum auxiliary exhausting type segmental mold Download PDFInfo
- Publication number
- CN105479624A CN105479624A CN201610039696.8A CN201610039696A CN105479624A CN 105479624 A CN105479624 A CN 105479624A CN 201610039696 A CN201610039696 A CN 201610039696A CN 105479624 A CN105479624 A CN 105479624A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- gas channel
- exhaust
- die cavity
- pattern block
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
- B29D30/0629—Vulcanising moulds not integral with vulcanising presses with radially movable sectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
- B29L2030/002—Treads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a vacuum auxiliary exhausting type segmental mold. The vacuum auxiliary exhausting type segmental mold comprises a bow-shaped seat and a pattern block. Multiple annular exhausting lines located at the various multiple heights and arranged coaxial with a molding cavity of the vacuum auxiliary exhausting type segmental mold and one or more flow collection exhausting lines arranged perpendicular to the annular exhausting lines are limited between the inner side face of the bow-shaped seat and the outer side face of the pattern block, wherein each flow collection exhausting line is communicated with the annular exhausting lines. The pattern block is provided with multiple air flow channel layers located at the various heights. One or more air flow channels are arranged in each air flow channel layer. The outer end of each air flow channel in each air flow channel layer is communicated with the annular exhausting line at the corresponding height and the inner end of each air flow channel in each air flow channel layer is communicated with the molding cavity. In the vulcanizing process, gas in the molding cavity, especially gas in dead corners of the mold can be exhausted smoothly. A vacuum pump is used, so that the pressure in the molding cavity is close to the vacuum degree, the shape of the molding cavity is not affected, and a formed tire can has have the advantages of being small in tire burr number and clear and attractive in pattern edge.
Description
Technical field
The present invention relates to tire manufacturing techniques field, particularly relate to a kind of vacuum aided exhaust activating mold.
Background technology
Tyre adjustable die is the necessary equipment of tire building.At present, the forming process simplified summary of automobile tire in activating mold is as follows: be first placed into by green tyre in the adjustable mold cavity being heated to about 180 DEG C, then in fetus, gas pressurized is passed through at the moulding capsules of central mechanism of vulcanizing machine by clamping, green tyres is pressed to mold cavity sidewall plate and pattern block, gas between green tyre and wall of die cavity is subject to the extruding of green tyre, from the passive discharge of steam vent of sidewall plate and pattern block, make green tyre fill up die cavity, green tyre starts sulfuration until shape complete.Adjustable mold cavity decorative pattern position is provided with a large amount of steam vents, in sulfidization molding process, mould is vented naturally, but mould dead angle site portion gas cannot be discharged, and tyre tread arris is unclear, there is starved phenomenon at this dead angle place, make sulfuration tire out become waste product.Further, propose and utilize vavuum pump that the gas in die cavity is extracted out in the process of tyre adjustable die matched moulds in more existing schemes, in the process of sulfuration, die cavity is closed.Due to mould not yet completely matched moulds time start formation vacuum of bleeding, because die cavity is not closed, fetus distortion does not limit by die cavity, under the effect of external and internal pressure difference, easily causes fetus size extremely to become greatly, the open defect such as joint leaves, tire sealant Bian great.In addition, also due to mould closed after, the outside exhaust passage of dies cavity closes, and also easily causes die venting not smooth.
Summary of the invention
Object of the present invention is intended at least one defect overcoming existing tyre adjustable die, a kind of vacuum aided exhaust activating mold is provided, the smooth in exhaust of die cavity can be made in sulfidation, especially position, mould dead angle gas is discharged, and do not affect the shape of die cavity, tyre tread arris can be solved unclear, fetus size is abnormal becomes large, the defect such as tire joint is opened, tire sealant Bian great.
Especially, the invention provides a kind of vacuum aided exhaust activating mold, it comprises arc seat, pattern block and die cavity, be limited with between the medial surface of described arc seat and the lateral surface of described pattern block: many that be in multiple At The Height, coaxially to arrange with described die cavity annular vent lines, and conflux exhaust line with described annular vent line vertically disposed one or more; The exhaust line that confluxes described in every bar is communicated with described many annular vent lines;
Described pattern block has the multilayer gas channel being in multiple At The Height, every layer of gas channel has one or more gas channel, the outer end of each described gas channel in every layer of gas channel is communicated with the described annular vent line at a corresponding height place, and inner and described die cavity is communicated with.
Further, the lateral surface of described pattern block is formed with groove, to limit described annular vent line with the medial surface of described arc seat.
Further, the medial surface of described arc seat is formed with groove, with the exhaust line that confluxes described in limiting with the lateral surface of described pattern block.
Further, the exhaust line that confluxes described in is many, the uniform setting of the circumferential direction along described die cavity.
Further, every layer of gas channel has multiple gas channel, and described multiple gas channel of every layer of gas channel is along the uniform setting of circumferential direction of described die cavity.
Further, each described gas channel is micropore.
Further, described vacuum aided exhaust activating mold also comprises:
Base plate, described arc seat and and described pattern block be arranged on described base plate;
Middle cover, is installed on described arc seat;
Lower sealing ring, described base plate is installed on coaxially arranging with described base plate, and the exterior surface of its inner surface and described middle cover, described lower sealing ring offers one or more aspirating hole, and each described aspirating hole is communicated with described die cavity with described gas channel via the described exhaust line that confluxes, described annular vent line.
Further, described vacuum aided exhaust activating mold also comprises:
Upper cover, is arranged at the top of described die cavity, and its upper and lower surface is provided with annular seal groove;
Upper sealing ring, is coaxially arranged with described upper cover, and be positioned at least partly described on cover, described upper sealing ring periphery wall is provided with annular seal groove;
Middle sealing ring, is coaxially arranged with described upper sealing ring, and inner circumferential wall contacts with the periphery wall of described upper sealing ring, and described middle sealing ring is arranged at the top of described middle cover; And
Multiple sealing ring, each described sealing ring is installed in a described annular seal groove.
Further, heatproof fluid sealant is provided with between described middle sealing ring and described middle cover.
Further, described middle cover, the periphery wall that contacts with described lower sealing ring offers annular seal groove, be installed on sealing ring in this annular seal groove.
Vacuum aided exhaust activating mold provided by the invention, annular vent line can be utilized, the gas in die cavity can discharge by conflux exhaust line and gas channel after matched moulds, the smooth in exhaust of die cavity can be made in sulfidation, especially discharge position, mould dead angle gas; And utilize vavuum pump to make cavity pressure close to vacuum, and do not affect the shape of die cavity, forming tire can be made to have glue approximate number amount few, the advantage that decorative pattern arris is clear, attractive in appearance.In addition, vacuum aided exhaust activating mold vacuumizes after matched moulds, and die cavity is completely closed, avoids the open defects such as tire joint is opened, tire sealant Bian great.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present invention with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the schematic local structural graph of vacuum aided exhaust activating mold according to an embodiment of the invention.
Detailed description of the invention
According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Fig. 1 is the schematic local structural graph of vacuum aided exhaust activating mold according to an embodiment of the invention.As shown in Figure 1, embodiments provide a kind of vacuum aided exhaust activating mold, it can be used for Tire production.This vacuum aided exhaust activating mold can comprise base plate 20, arc seat 30, pattern block 40, middle cover 50, upper cover 60, upper sealing ring 70, middle sealing ring 80 and multiple sealing ring 100, and die cavity 10.Arc seat 30 and and pattern block 40 be arranged on base plate 20.Middle cover 50 is installed on arc seat 30.Upper cover 60 is arranged at the top of die cavity 10, and its upper and lower surface is provided with annular seal groove.Upper sealing ring 70 and upper cover 60 are coaxially arranged, and are positioned on upper cover 60 at least partly, and upper sealing ring 70 periphery wall is provided with annular seal groove.Middle sealing ring 80 is coaxially arranged with upper sealing ring 70, and inner circumferential wall contacts with the periphery wall of upper sealing ring 70, and middle sealing ring 80 is arranged at the top of middle cover 50, and and is provided with heatproof fluid sealant between middle cover 50.Each sealing ring 100 is installed in an annular seal groove, to ensure air-tightness.
Especially, in this embodiment, be limited with between the medial surface of arc seat 30 and the lateral surface of pattern block 40: many be in multiple At The Height and the annular vent line 41 that arrange coaxial with the die cavity 10 of vacuum aided exhaust activating mold, and to conflux exhaust line 31 with annular vent line 41 vertically disposed one or more; Every bar exhaust line 31 that confluxes is communicated with many annular vent lines 41.Pattern block 40 has the multilayer gas channel being in multiple At The Height, every layer of gas channel has one or more gas channel 42, the outer end of each gas channel 42 in every layer of gas channel is communicated with the annular vent line 41 at a corresponding height place, and the inner is communicated with die cavity 10.Gas in die cavity 10, after matched moulds, flows out in mould by gas channel 42, annular vent line 41 and the exhaust line 31 that confluxes, is convenient to the processing of tire.
In preferably embodiment more of the present invention, vacuum aided exhaust activating mold also can comprise lower sealing ring 90.Lower sealing ring 90 and base plate 20 are installed on base plate 20 with coaxially arranging, and the exterior surface of its inner surface and middle cover 50, lower sealing ring 90 offers one or more aspirating hole 91, connect vavuum pump.And each aspirating hole 91 is communicated with die cavity 10 with gas channel 42 via the exhaust line 31 that confluxes, annular vent line 41.Middle cover 50, the periphery wall that contacts with lower sealing ring 90 offers annular seal groove, be installed on sealing ring 100 in this annular seal groove.The bottom of the inner circumferential wall of lower sealing ring 90 can be welded in the side direction peripheral wall surfaces of base plate 20.
After vacuum aided exhaust activating mold matched moulds, external vacuum pipeline is by aspirating hole 91, the exhaust line 31 that confluxes, annular vent line 41 and gas channel 42, still can be connected with die cavity 10, rapidly the gas in vacuum aided exhaust activating mold is extracted out, make the dead angle of tyre stock easy filled vacuum auxiliary exhaust formula activating mold, thus make tyre tread arris clear, attractive in appearance.
Further, in certain embodiments of the present invention, the lateral surface of pattern block 40 is formed with groove, to limit annular vent line 41 with the medial surface of arc seat 30.The medial surface of arc seat 30 is formed with groove, to limit with the lateral surface of pattern block 40 exhaust line 31 that confluxes.Conflux exhaust line 31 for many, the uniform setting of the circumferential direction along die cavity 10.Every layer of gas channel has multiple gas channel 42, and multiple gas channels 42 of every layer of gas channel are along the uniform setting of circumferential direction of die cavity 10, and each gas channel 42 can be micropore.In substituting embodiments more of the present invention, the lateral surface of pattern block 40 can be formed with groove, to limit with the medial surface of arc seat 30 exhaust line 31 that confluxes.The medial surface of arc seat 30 can be formed with groove, to limit annular vent line 41 with the lateral surface of pattern block 40.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.
Claims (10)
1. a vacuum aided exhaust activating mold, comprise arc seat, pattern block and die cavity, it is characterized in that, be limited with between the medial surface of described arc seat and the lateral surface of described pattern block: many that be in multiple At The Height, coaxially to arrange with described die cavity annular vent lines, and conflux exhaust line with described annular vent line vertically disposed one or more; The exhaust line that confluxes described in every bar is communicated with described many annular vent lines;
Described pattern block has the multilayer gas channel being in multiple At The Height, every layer of gas channel has one or more gas channel, the outer end of each described gas channel in every layer of gas channel is communicated with the described annular vent line at a corresponding height place, and inner and described die cavity is communicated with.
2. vacuum aided exhaust activating mold according to claim 1, is characterized in that, the lateral surface of described pattern block is formed with groove, to limit described annular vent line with the medial surface of described arc seat.
3. vacuum aided exhaust activating mold according to claim 1, is characterized in that, the medial surface of described arc seat is formed with groove, with the exhaust line that confluxes described in limiting with the lateral surface of described pattern block.
4. vacuum aided exhaust activating mold according to claim 1, is characterized in that, described in the exhaust line that confluxes be many, the uniform setting of the circumferential direction along described die cavity.
5. vacuum aided exhaust activating mold according to claim 1, is characterized in that, every layer of gas channel has multiple gas channel, and described multiple gas channel of every layer of gas channel is along the uniform setting of circumferential direction of described die cavity.
6. vacuum aided exhaust activating mold according to claim 1, is characterized in that, each described gas channel is micropore.
7. vacuum aided exhaust activating mold according to claim 1, is characterized in that, also comprise:
Base plate, described arc seat and and described pattern block be arranged on described base plate;
Middle cover, is installed on described arc seat;
Lower sealing ring, described base plate is installed on coaxially arranging with described base plate, and the exterior surface of its inner surface and described middle cover, described lower sealing ring offers one or more aspirating hole, and each described aspirating hole is communicated with described die cavity with described gas channel via the described exhaust line that confluxes, described annular vent line.
8. vacuum aided exhaust activating mold according to claim 7, is characterized in that, also comprise:
Upper cover, is arranged at the top of described die cavity, and its upper and lower surface is provided with annular seal groove;
Upper sealing ring, is coaxially arranged with described upper cover, and be positioned at least partly described on cover, described upper sealing ring periphery wall is provided with annular seal groove;
Middle sealing ring, is coaxially arranged with described upper sealing ring, and inner circumferential wall contacts with the periphery wall of described upper sealing ring, and described middle sealing ring is arranged at the top of described middle cover; And
Multiple sealing ring, each described sealing ring is installed in a described annular seal groove.
9. vacuum aided exhaust activating mold according to claim 8, is characterized in that, is provided with heatproof fluid sealant between described middle sealing ring and described middle cover.
10. vacuum aided exhaust activating mold according to claim 7, is characterized in that, described middle cover, the periphery wall that contacts with described lower sealing ring offers annular seal groove, be installed on sealing ring in this annular seal groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610039696.8A CN105479624A (en) | 2016-01-21 | 2016-01-21 | Vacuum auxiliary exhausting type segmental mold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610039696.8A CN105479624A (en) | 2016-01-21 | 2016-01-21 | Vacuum auxiliary exhausting type segmental mold |
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CN105479624A true CN105479624A (en) | 2016-04-13 |
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CN201610039696.8A Pending CN105479624A (en) | 2016-01-21 | 2016-01-21 | Vacuum auxiliary exhausting type segmental mold |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106926399A (en) * | 2017-04-12 | 2017-07-07 | 无锡市贝尔特胶带有限公司 | Rubber flute profile transmission belt vulcanizing gum cover mould and the method for making gum cover |
CN108145886A (en) * | 2018-03-15 | 2018-06-12 | 山东豪迈机械科技股份有限公司 | Tire-mold sealer and vacuumize tire-mold |
EP3517285A1 (en) * | 2018-01-24 | 2019-07-31 | Nexen Tire Corporation | Vacuum container for curing tyre |
CN114103203A (en) * | 2021-11-22 | 2022-03-01 | 山东豪迈机械科技股份有限公司 | Vacuumizing tire mold |
CN115257034A (en) * | 2022-09-28 | 2022-11-01 | 山东豪迈机械科技股份有限公司 | Vacuum-pumping segmented mold |
EP4292800A1 (en) * | 2022-06-16 | 2023-12-20 | The Goodyear Tire & Rubber Company | Molding process for eased release of a tire |
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US4759701A (en) * | 1987-09-18 | 1988-07-26 | Corn States Metal Fabricators, Inc. | Venting unit for a rubber article forming mold having vents |
JP2005047202A (en) * | 2003-07-31 | 2005-02-24 | Yokohama Rubber Co Ltd:The | Tire vulcanizing apparatus |
JP3701087B2 (en) * | 1996-08-05 | 2005-09-28 | 株式会社ブリヂストン | Tire vulcanizing method and apparatus |
JP2007118460A (en) * | 2005-10-28 | 2007-05-17 | Bridgestone Corp | Cleaning method of tire vulcanizing mold and equipment |
CN202922810U (en) * | 2012-12-12 | 2013-05-08 | 广东巨轮模具股份有限公司 | Air-exhaust-type movable mold for automobile radial tire |
CN204249177U (en) * | 2014-11-17 | 2015-04-08 | 山东豪迈机械科技股份有限公司 | Tire-mold and exhaust apparatus, knurling section |
CN205272416U (en) * | 2016-01-21 | 2016-06-01 | 广西玲珑轮胎有限公司 | Vacuum auxiliary exhaust formula segmented mold utensil |
-
2016
- 2016-01-21 CN CN201610039696.8A patent/CN105479624A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US4759701A (en) * | 1987-09-18 | 1988-07-26 | Corn States Metal Fabricators, Inc. | Venting unit for a rubber article forming mold having vents |
JP3701087B2 (en) * | 1996-08-05 | 2005-09-28 | 株式会社ブリヂストン | Tire vulcanizing method and apparatus |
JP2005047202A (en) * | 2003-07-31 | 2005-02-24 | Yokohama Rubber Co Ltd:The | Tire vulcanizing apparatus |
JP2007118460A (en) * | 2005-10-28 | 2007-05-17 | Bridgestone Corp | Cleaning method of tire vulcanizing mold and equipment |
CN202922810U (en) * | 2012-12-12 | 2013-05-08 | 广东巨轮模具股份有限公司 | Air-exhaust-type movable mold for automobile radial tire |
CN204249177U (en) * | 2014-11-17 | 2015-04-08 | 山东豪迈机械科技股份有限公司 | Tire-mold and exhaust apparatus, knurling section |
CN205272416U (en) * | 2016-01-21 | 2016-06-01 | 广西玲珑轮胎有限公司 | Vacuum auxiliary exhaust formula segmented mold utensil |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106926399A (en) * | 2017-04-12 | 2017-07-07 | 无锡市贝尔特胶带有限公司 | Rubber flute profile transmission belt vulcanizing gum cover mould and the method for making gum cover |
EP3517285A1 (en) * | 2018-01-24 | 2019-07-31 | Nexen Tire Corporation | Vacuum container for curing tyre |
CN108145886A (en) * | 2018-03-15 | 2018-06-12 | 山东豪迈机械科技股份有限公司 | Tire-mold sealer and vacuumize tire-mold |
CN114103203A (en) * | 2021-11-22 | 2022-03-01 | 山东豪迈机械科技股份有限公司 | Vacuumizing tire mold |
CN114103203B (en) * | 2021-11-22 | 2024-06-21 | 山东豪迈机械科技股份有限公司 | Vacuumizing tire mold |
EP4292800A1 (en) * | 2022-06-16 | 2023-12-20 | The Goodyear Tire & Rubber Company | Molding process for eased release of a tire |
CN115257034A (en) * | 2022-09-28 | 2022-11-01 | 山东豪迈机械科技股份有限公司 | Vacuum-pumping segmented mold |
CN115257034B (en) * | 2022-09-28 | 2023-01-31 | 山东豪迈机械科技股份有限公司 | Vacuum-pumping segmented mold |
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Application publication date: 20160413 |
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