CN103317629A - Method for molding tyre by combined type internal mould - Google Patents
Method for molding tyre by combined type internal mould Download PDFInfo
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- CN103317629A CN103317629A CN2012100718874A CN201210071887A CN103317629A CN 103317629 A CN103317629 A CN 103317629A CN 2012100718874 A CN2012100718874 A CN 2012100718874A CN 201210071887 A CN201210071887 A CN 201210071887A CN 103317629 A CN103317629 A CN 103317629A
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- mould
- tyre
- internal mold
- internal
- contraction state
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- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention uses a combined type internal mould, wherein the whole internal mould is composed of a plurality of output components. The combined type internal mould has a contraction state and an extension state, wherein the output components in the contraction state move outwards to reach the extension state; and the output components in the extension state move to a center to reach the contraction state. The output components can be driven by a corresponding center mechanism. External tyre molding comprises three steps: a mould loading step, a sulfuration molding step and mould unloading step, wherein the mould loading step comprises that: the internal mould output components in the contraction state extends outwards to support a semi-finished tyre bead of an unvulcanized external tyre, then an upper mould and a lower mould for molding the external surface of the external tyre are locked to tightly wrap the tyre bead with the internal mould; the sulfuration molding step comprises that: meanwhile, the tyre bead lies in the upper mould, the lower mould and the internal mould in the extension state, and the external mould and the internal mould are heated to sulfurate the tyre bead; and the mould unloading step comprises that: the upper mould and the lower mould are unlocked, and the external tyre breaks away from the upper mould and the lower mould. The internal output component is contracted to take out an external tyre product.
Description
Technical field
The present invention relates to a kind of method of making tire.
Background technology
At present, generally adopt curing bag and capsule shaping Outer Tyre both at home and abroad.
Curing bag is the hollow circular ring body of making of elastomeric material, during sulfidization molding, and curing bag outline moulding inner surface of cover tyre.Before the sulfidization molding, the high resiliency that utilizes elastomeric material is packed curing bag in the unvulcanized cover tire semi-finished product tyre bead.Behind the sulfidization molding, utilize equally its high resiliency that curing bag is taken out from the cover tire goods.
Capsule is the ring bodies of making of elastomeric material.Before the sulfuration, capsule is packed in the cover tire semi-finished product tyre bead, when the capsule punching press, its outline is upheld, thereby drives the expansion of cover tire semi-finished product tyre bead, reaches when upholding fully, vulcanizes, and utilizes capsule outline moulding inner surface of cover tyre.Sulfuration finishes, and during the capsule pressure release, capsule shrinks, and takes out the cover tire goods.
Adopt curing bag and capsule shaping Outer Tyre that weak point is arranged.Curing bag and capsule all are to adopt elastomeric material to make, and service life is limited, scrap after hundreds of times of the general about moulding.Secondly, curing bag and capsule shaping Outer Tyre need the people to measure the labour.
Summary of the invention
The present invention adopts the combined type inner membrance, and whole internal mold is comprised of some output links.This combined type inner membrance can be in contraction state and stretched condition, and the output link that is in contraction state just can reach stretched condition to motion all around; And the output link that is in stretched condition can reach contraction state to central motion.The motion of output link can be driven by corresponding central authority.
Be divided into dress mould, sulfidization molding, mould unloading three steps during tyre building:
Dress mould: be in the internal mold output link of contraction state to upholding all around, support the unvulcanized cover tire semi-finished product tyre bead that rises.Then, the upper die and lower die matched moulds of moulding cover tire outer surface packs tightly inner tyre bead with internal mold.
Sulfidization molding: at this moment, tyre bead is among the internal mold of upper die and lower die and stretched condition, heating external mold and internal mold, sulfuration tyre bead.
Mould unloading: upper die and lower die are opened, and cover tire breaks away from upper and lower mould.The internal mold output link shrinks, and cover tire breaks away from internal mold.
Description of drawings
Fig. 1 is the internal mold schematic diagram that is in contraction state;
Fig. 2 is the internal mold schematic diagram that is in stretched condition.
Each numeral is expressed as follows respectively shown in Fig. 1 and Fig. 2: 1. internal mold output link; 2. internal mold output link; 3. internal mold output link; 4. internal mold output link; 5. internal mold output link matched moulds trace.Internal mold output link 1,2,3, the sticking internal mold of 4 common expressions are comprised of some output links.
Arrow represents the direction of internal mold output link motion among the figure.
Structural scheme of mechanism centered by Fig. 3,1. input link; 2. member; 3. member; 4. frame; 5. frame.
The whole central authority of formation is therefrom arranged around the mind-set by several such mechanisms, and center line and input link 1 are coaxial, the member 2 terminal internal mold output links that connect.
The specific embodiment
Below, with reference to Fig. 1, Fig. 2 and Fig. 3 the embodiment of the invention is described.
Fig. 1 is the internal mold schematic diagram that is in contraction state
Fig. 2 is the internal mold schematic diagram that is in stretched condition
Each numeral is expressed as follows respectively shown in the sharp Fig. 2 of Fig. 1: 1. internal mold output link; 2. internal mold output link; 3. internal mold output link; 4. internal mold output link.The whole internal mold of they common expressions is comprised of some output links.
Arrow represents the direction of internal mold output link motion among the figure.
Structural scheme of mechanism centered by Fig. 3,1. input link; 2. member; 3. member; 4. frame; 5. frame.
The whole central authority of formation is therefrom arranged around the mind-set by several such mechanisms, and center line and input link 1 are coaxial, the member 2 terminal internal mold output links that connect.
The present invention adopts the combined type inner membrance, and whole internal mold is comprised of some output links 1,2,3,4 etc.This combined type inner membrance can be in contraction state (Fig. 1) and stretched condition (Fig. 2), and the output link that is in contraction state just can reach stretched condition to motion all around; And the output link that is in stretched condition can reach contraction state to central motion.The motion of output link can be driven by corresponding central authority.
Be divided into dress mould, sulfidization molding, mould unloading three steps during tyre building:
Dress mould: be in the internal mold output link of contraction state to upholding all around, support the unvulcanized cover tire semi-finished product tyre bead that rises.Then, the upper die and lower die matched moulds of moulding cover tire outer surface packs tightly inner tyre bead with internal mold.
Sulfidization molding: at this moment, tyre bead is among the internal mold of upper die and lower die and stretched condition, heating external mold and internal mold, sulfuration tyre bead.
Mould unloading: upper die and lower die are opened, and cover tire breaks away from upper and lower mould.The internal mold output link shrinks, and cover tire breaks away from internal mold.
Claims (1)
1. the method for a Combined internal mold forming tire, its feature adopts combined type inner membrance, and whole internal mold is comprised of some output links.The motion of internal mold output link can be driven by corresponding central authority, thereby makes the combined type inner membrance can be in contraction state or stretched condition.During the dress mould, the internal mold output link of contraction state supports rise unvulcanized cover tire semi-finished product tyre bead to upholding all around.Sulfuration finishes, and the output link of stretched condition can reach contraction state to central motion, can take out the cover tire goods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100718874A CN103317629A (en) | 2012-03-18 | 2012-03-18 | Method for molding tyre by combined type internal mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100718874A CN103317629A (en) | 2012-03-18 | 2012-03-18 | Method for molding tyre by combined type internal mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103317629A true CN103317629A (en) | 2013-09-25 |
Family
ID=49186820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100718874A Pending CN103317629A (en) | 2012-03-18 | 2012-03-18 | Method for molding tyre by combined type internal mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103317629A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379352A (en) * | 2017-08-09 | 2017-11-24 | 山东豪迈机械科技股份有限公司 | Vulcanization plant external mold, internal model, vulcanization plant and multistation vulcanization plant |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675848A (en) * | 1979-11-21 | 1981-06-23 | Yokohama Rubber Co Ltd:The | Molding device for cylindrical member |
| JPS56162631A (en) * | 1980-05-02 | 1981-12-14 | Sumitomo Rubber Ind Ltd | Tire molding drum |
| JP2002337251A (en) * | 2001-05-21 | 2002-11-27 | Sumitomo Rubber Ind Ltd | Sidewall laminating former |
-
2012
- 2012-03-18 CN CN2012100718874A patent/CN103317629A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675848A (en) * | 1979-11-21 | 1981-06-23 | Yokohama Rubber Co Ltd:The | Molding device for cylindrical member |
| JPS56162631A (en) * | 1980-05-02 | 1981-12-14 | Sumitomo Rubber Ind Ltd | Tire molding drum |
| JP2002337251A (en) * | 2001-05-21 | 2002-11-27 | Sumitomo Rubber Ind Ltd | Sidewall laminating former |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379352A (en) * | 2017-08-09 | 2017-11-24 | 山东豪迈机械科技股份有限公司 | Vulcanization plant external mold, internal model, vulcanization plant and multistation vulcanization plant |
| CN107379352B (en) * | 2017-08-09 | 2024-02-09 | 山东豪迈机械科技股份有限公司 | External mold, internal mold of vulcanizing device, vulcanizing device and multi-station vulcanizing device |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130925 |