CN101234519A - Giant engineering vehicle radial tyre underneath type loose die and method for producing tyre by the same - Google Patents
Giant engineering vehicle radial tyre underneath type loose die and method for producing tyre by the same Download PDFInfo
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- CN101234519A CN101234519A CNA2008100263425A CN200810026342A CN101234519A CN 101234519 A CN101234519 A CN 101234519A CN A2008100263425 A CNA2008100263425 A CN A2008100263425A CN 200810026342 A CN200810026342 A CN 200810026342A CN 101234519 A CN101234519 A CN 101234519A
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Abstract
The invention relates to an underneath type adjustable die for a radial tire of a giant mobile workshop vehicle and a method for producing the tire. The die has a capsule upper plate, a capsule lower chuck plate, an upper die, a lower die, a middle die sleeve and a pattern block, wherein, an upper steel ring is embedded and arranged on capsule upper chuck plate in an upper axial direction; the upper die is embedded and connected with the upper steel ring axially; the upper end of the upper die is connected with a fixed plate of a vulcanizer in a pulling way. A lower steel ring is embedded and arranged on the capsule lower chuck plate; the lower steel ring is embedded and connected with the lower die and the lower end of the lower die is connected with a power cylinder of the vulcanizer in a pushing way. The pattern block is connected with the middle die sleeve through a guide bar in a lateral and translational way. The method for producing the tire aims at the underneath type adjustable die, the lower die is pushed to ascend from the lower part to the upper part by the power cylinder of the vulcanizer and the pattern block is translated laterally by the guide bar so that demoulding motion is finished. The underneath type adjustable die has the advantages that die structure is simplified; material cost and process cost are reduced; die weight is lightened. Besides, the underneath type adjustable die is applicable to the production of the tires of the underneath type adjustable die for a radial tire of a giant mobile workshop vehicle.
Description
Technical field
The present invention relates to a kind of giant engineering vehicle radial tyre underneath type loose die and produce the method for tire by it.
Background technology
Over the past two years, since national great demands such as China, Russia, Indonesia to Off-the-road tire, the critical shortage of the big specification Off-the-road tire in the whole world, and this phenomenon will continue after 2006.At present, even the full production in 24 hours in a day of global Off-the-road tire, it supplies with also almost zero growth potentiality.The demand of Off-the-road tire in 2005 increased by 20% than 2004, and this in the industry cycle is unprecedented.Off-the-road tire shortage in 2005 is because due to the tire consumption increase, domestic and overseas growth of requirement causes the Off-the-road tire critical shortage.The Off-the-road tire shortage has had a strong impact on industries such as mining, building.The reason that causes the Off-the-road tire shortage is a coal, iron, copper, the fast development of mining industry such as nickel and alum, add under the promotion of a series of pulling domestic demand engineerings such as China's development of the West Regions and reinforcement capital construction, the Off-the-road tire particularly Off-the-road tire of epimegetic will continue to be in the fast-developing stage, shared tire market share also can further enlarge, and the global at present Michelin that has only according to relevant strength design and production giant-scale engineering vehicle tyre, Gu it is special, several families few in number such as BRIDGESTONE, therefore supply falls short of demand especially for the giant-scale engineering vehicle tyre, in the face of this tempting market, both at home and abroad each giant tyre manufacturing firm is slowly with the production of target diversion giant-scale engineering vehicle tyre, the market demand of giant tyre mould is also with increasing thus, its market development space is very big, and potentiality are also very big.
But because traditional tire mould structure is to adopt top load arrangement, the power cylinder of vulcanizer promptly adopts and goes up the die sinking structure on top, belongs to and draws back structure, and this brings very big potential safety hazard to vulcanizer, and has improved the power requirement of vulcanizer greatly; And its pattern block and slide block, patrix and loam cake, counterdie and base etc. are the design mix body structure respectively, and the total weight of its first half accounts for more than 2/3 of gross weight of a whole set of mould after the mould die sinking of this structure; Tire for smaller specification, adopt the mould of this structure more suitable, because, generally speaking, its sizes such as semi-steel radial tire and all steel load radial line tire are more or less the same in a series of or close series, adopt each model of mould of this structure can be suitable for the tire of a plurality of specifications simultaneously, be that interchangeability is stronger, and for Off-the-road tire giant-scale engineering vehicle tyre particularly, close specification even same specification and the different tire of decorative pattern, its tire outside diameter differs greatly, and adopts traditional structure to be not suitable for, and reason is that mould is big more, used steel are many more, the material cost of mould and processing cost are high more, and mold weight is big more unfavorable more to employed vulcanizer simultaneously, operates also inconvenient more.Simultaneously, because in Off-the-road tire especially giant-scale engineering vehicle tyre, it is very big that adjacent-specification even same specification and its different size of decorative pattern differ, and adopts traditional structure to bring very big inconvenience to interchangeability.
Summary of the invention
The objective of the invention is at the problems referred to above, provide a kind of and simplify mould structure, reduce material and processing cost, alleviate mold weight, handled easily, reduction be to the giant engineering vehicle radial tyre underneath type loose die of the extent of damage of vulcanizing equipment.
Another object of the present invention is at the problems referred to above, provides a kind of by simplifying mould structure, reduction material and processing cost, alleviating tire is produced in mold weight, handled easily, reduction to the giant engineering vehicle radial tyre underneath type loose die of the extent of damage of vulcanizing equipment method.
The object of the present invention is achieved like this: have chuck under chuck on the capsule, the capsule, upper die and lower die, middle die sleeve and pattern block; Axially be embedded with steel ring on the chuck on the capsule, patrix and last steel ring are axially rabbeted, and the upper end of patrix and the fixed head of vulcanizer are the pulling syndeton; Axially be embedded with lower steel ring under capsule on the chuck, counterdie and lower steel ring are axially rabbeted, and the lower end of counterdie and the power cylinder of vulcanizer are for promoting syndeton; Pattern block is slidingly connected by gib block and middle die sleeve, and pattern block is connected to form the lateral translation syndeton by sliding at gib block with the promotion of counterdie.
The present invention axially is being embedded with platen between chuck on the capsule and the last steel ring.
The present invention between pattern block and the upper die and lower die, is respectively arranged with the antifriction plate.
The present invention, pattern block is provided with the slip positive stop end, and gib block is provided with the on-slip part.
The present invention is that the butt joint floral structure is connected on the somatotype portion and the top of pattern block of patrix.
The present invention, the method by giant engineering vehicle radial tyre underneath type loose die is produced giant engineering vehicle radial tyre comprises:
A, mould and die preheating: sulfuration is preceding to the underneath type loose die preheating;
B, sulfuration: die sinking, prior green tyre by moulding is placed in the die cavity, matched moulds vulcanizes;
C, the demoulding: counterdie rises under the promotion that ejects power cylinder of vulcanizer from bottom to top, under the gib block effect of pattern block die sleeve in being anchored on, break away from tyre tread to lateral translation, patrix rises under the fixed head pulling of vulcanizer synchronously, finishes demoulding action.
Beneficial effect of the present invention is:
1), traditional top load arrangement, its pattern block and slide block, loam cake and patrix, base and counterdie etc. are the structure of design mix body respectively, for the giant engineering vehicle radial tyre mould, as still using this structure, then its a whole set of die size and weight super large, all there are very large problem in processing, transportation, use etc.; The present invention changes traditional top load arrangement, its mould structure is simplified, save slide block, loam cake and base, promptly pattern block and slide block, loam cake and patrix, base and counterdie etc. are designed to the structure of disjunctor respectively, pattern block has the slide block function simultaneously concurrently, and patrix has the loam cake function simultaneously concurrently, and counterdie has the base function simultaneously concurrently, reduce material and processing cost, alleviate mold weight;
2), because traditional top load arrangement, the power cylinder of vulcanizer promptly adopts and goes up the die sinking structure on top, belongs to and draws back structure, this brings very big potential safety hazard to vulcanizer, and has improved the power requirement of vulcanizer greatly; The present invention impeaches and abandons traditional top load arrangement, and uses the underneath type structure, promptly adopts the lower open die structure, pushes away expanded configuration under belonging to, and effectively reduces the power requirement of vulcanizer, and both handled easily has reduced the extent of damage to vulcanizing equipment again;
3), since the demoulding of pattern block apart from super large, general stripping stroke can't meet the demands, therefore, the somatotype portion of patrix is designed to dock floral structure, and the stripping stroke of mould is effectively guaranteed.
Therefore, the present invention, have simplify mould structure, reduce material and processing cost, alleviate mold weight, handled easily, reduction be to the advantage of the extent of damage of vulcanizing equipment, is applicable to that giant engineering vehicle radial tyre underneath type loose die produces tire.
The present invention is further illustrated for following embodiment accompanying drawings.
Description of drawings
Fig. 1 is the structural representation of embodiments of the invention 1.
Among the figure, 1, chuck on the capsule, 2, chuck under the capsule, 3, patrix, 4, counterdie, 5, middle die sleeve, 6, pattern block, 7, go up steel ring, 8, lower steel ring, 9, gib block, 10, go up platen, 11,12, the antifriction plate, 13, slip positive stop end, 14, the on-slip part, 15, the somatotype portion of patrix, 16, the top of pattern block, 17, die cavity.
The specific embodiment
Embodiment 1: giant engineering vehicle radial tyre underneath type loose die
With reference to Fig. 1, present embodiment 1 is a kind of giant engineering vehicle radial tyre underneath type loose die, have on the capsule chuck 2, patrix 3, counterdie 4, middle die sleeve 5 and pattern block 6 under chuck 1, the capsule, its pattern block has the slide block function simultaneously concurrently, patrix has the loam cake function simultaneously concurrently, and counterdie has the base function simultaneously concurrently; Axially be embedded with steel ring 7 on the chuck on the capsule 1, patrix 3 is axially rabbeted with last steel ring 7, and the upper end of patrix and the fixed head of vulcanizer are the pulling syndeton; Axially be embedded with lower steel ring 8 under capsule on the chuck 2, counterdie 4 is axially rabbeted with lower steel ring 8, and the lower end of counterdie and the power cylinder of vulcanizer are for promoting syndeton; Pattern block 6 is slidingly connected by gib block 9 and middle die sleeve 5, and pattern block 6 is connected to form the lateral translation syndeton by sliding at gib block 9 with the promotion of counterdie 4; Axially be embedded with platen 10 between chuck on the capsule 1 and the last steel ring 7; Between pattern block 6 and patrix 3, the counterdie 4, be respectively arranged with antifriction plate 11,12; Pattern block 6 is provided with slip positive stop end 13, and gib block 9 is provided with on-slip part 14; Somatotype portion 15 at patrix is connected for the butt joint floral structure with the top 16 of pattern block.
Embodiment 2: the method by giant engineering vehicle radial tyre underneath type loose die is produced giant engineering vehicle radial tyre comprises:
A, mould and die preheating: before the sulfuration underneath type loose die is preheating to 170～190 ℃;
B, sulfuration: die sinking, prior green tyre by moulding is placed in the die cavity 17, matched moulds vulcanizes; Green tyre in the die cavity becomes rheid flows to die cavity under the mould extruding each corner of die cavity decorative pattern because of the pressurized that is heated, each decorative pattern dead angle of mould has processed steam vent in advance, the air that is expressed to the dead angle by viscosity flow shape sizing material can be discharged to the mould outside by steam vent, thereby avoid producing defectives such as starved, over cure, unnecessary sizing material can overflow by the steam vent on the mould; Origin of heat required in the mould sulfidation is a vaporium in the heating system of vulcanizer self, by the direct heating mould of steam;
C, the demoulding: slowly rise from bottom to top under the promotion that ejects power cylinder of counterdie 4 below being positioned at vulcanizer; With reference to Fig. 1, under gib block 9 effects of pattern block 6 die sleeve 5 in being anchored on, break away from tyre tread to lateral translation, it is that level is to all directions translation that pattern block 6 passes through in the slip of gib block 9 and with relative counterdie 4; Patrix 3 slowly rises synchronously with counterdie 4 under the fixed head pulling of vulcanizer, finishes demoulding action, and tire is moved away from die cavity by manipulator.
The present invention because the size super large of mould, adds man-hour its dimensional accuracy and is difficult to be guaranteed on general lathe, therefore the cutter of superhuge process equipment and frock clamp and overlength has become the guaranteed key of Mould Machining precision; Because the super large of decorative pattern size is super dark, the engraving of therefore employing routine and required precision that spark machined does not satisfy mould and the requirement of process-cycle, therefore the technology of fine finishining decorative pattern has also become the guaranteed key of Mould Machining precision on superhuge process equipment; Because the super large of die size and decorative pattern size is unconventional, so the acceptance checkout equipment of mould and means have also become the guaranteed key of Mould Machining precision.
Therefore, at above several key takeaways, determined corresponding scheme respectively: utilize high-level design software UG to finish the moulding and the program composition of decorative pattern and trade mark font, utilize special-purpose large-sized numerical control vertical lathe, its tactical diameter can reach 5m, finish the turning operation of all each big parts of mould, utilize ultra-large type three-axis accurate high-speed machining center to finish the Precision Machining of die cavity decorative pattern, utilize three high-accuracy high speed gantry Milling Machining Center to finish the processing of positioner, adopt the full automatic line cutting machine to finish all accuracy of detection model of mould to guarantee to detect, utilize high-precision movable three axle beds mark checkout equipment to detect the machining accuracy of a whole set of mould, utilize four special-purpose high speed and precision engraving machines to finish the processing of the trade mark font of die body sidewall plate.
Claims (6)
1, a kind of giant engineering vehicle radial tyre underneath type loose die is characterized in that: have chuck (2) under chuck on the capsule (1), the capsule, patrix (3), counterdie (4), middle die sleeve (5) and pattern block (6);
Axially be embedded with steel ring (7) on chuck (1) on the described capsule, described patrix (3) is axially rabbeted with the described steel ring (7) of going up, and the upper end of described patrix and the fixed head of vulcanizer are the pulling syndeton;
On chuck (2) under the described capsule, axially be embedded with lower steel ring (8), described counterdie (4) and axially interlocking of described lower steel ring (8), the lower end of described counterdie and the power cylinder of vulcanizer are for promoting syndeton;
Described pattern block (6) is slidingly connected by gib block (9) and described middle die sleeve (5), and described pattern block (6) is connected to form the lateral translation syndeton by sliding at gib block (9) with the promotion of described counterdie (4).
2, giant engineering vehicle radial tyre underneath type loose die according to claim 1 is characterized in that: axially be embedded with platen (10) at chuck (1) on the described capsule and described going up between the steel ring (7).
3, giant engineering vehicle radial tyre underneath type loose die according to claim 2 is characterized in that: between described pattern block (6) and described patrix (3), the counterdie (4), be respectively arranged with antifriction plate (11,12).
4, according to claim 1,2 or 3 described giant engineering vehicle radial tyre underneath type loose dies, it is characterized in that: described pattern block (6) is provided with slip positive stop end (13), and described gib block (9) is provided with on-slip part (14).
5, giant engineering vehicle radial tyre underneath type loose die according to claim 4 is characterized in that: the somatotype portion (15) at described patrix is connected for the butt joint floral structure with the top (16) of described pattern block.
6, the method that adopts claim 1,2,3,4 or 5 described giant engineering vehicle radial tyre underneath type loose dies to produce giant engineering vehicle radial tyre comprises:
A, mould and die preheating: sulfuration is preceding to the underneath type loose die preheating;
B, sulfuration: die sinking, prior green tyre by moulding is placed in the die cavity (17), matched moulds vulcanizes;
C, the demoulding: counterdie (4) rises under the promotion that ejects power cylinder of vulcanizer from bottom to top, pattern block (6) is under the gib block that is anchored on middle die sleeve (5) (9) effect, break away from tyre tread to lateral translation, patrix (3) rises under the fixed head pulling of vulcanizer synchronously, finishes demoulding action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100263425A CN101234519A (en) | 2008-02-17 | 2008-02-17 | Giant engineering vehicle radial tyre underneath type loose die and method for producing tyre by the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100263425A CN101234519A (en) | 2008-02-17 | 2008-02-17 | Giant engineering vehicle radial tyre underneath type loose die and method for producing tyre by the same |
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| Publication Number | Publication Date |
|---|---|
| CN101234519A true CN101234519A (en) | 2008-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100263425A Pending CN101234519A (en) | 2008-02-17 | 2008-02-17 | Giant engineering vehicle radial tyre underneath type loose die and method for producing tyre by the same |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817237A (en) * | 2010-03-26 | 2010-09-01 | 顾鹏 | Large-scale precision radial tire combined-type capsule die |
| CN101905499A (en) * | 2010-07-12 | 2010-12-08 | 江阴市金凯阳机械装备有限公司 | Internal-tire vulcanizer of tire |
| CN102000951A (en) * | 2010-11-10 | 2011-04-06 | 沈阳子午线轮胎模具有限公司 | Processing technology of aluminum pattern block for tire mold |
| CN101633750B (en) * | 2009-08-25 | 2011-11-02 | 焦作市万瑞轮胎辅料有限公司 | Formula of recap rubber used by segmented mould and preparation process of recap rubber |
| CN102514122A (en) * | 2011-11-30 | 2012-06-27 | 安徽迈吉尔模具有限公司 | Integral meridian loose die |
| CN109884990A (en) * | 2019-03-27 | 2019-06-14 | 福建建阳龙翔科技开发有限公司 | A kind of tyre building machine numerical control operating system and its control method |
| CN111660467A (en) * | 2020-06-16 | 2020-09-15 | 青岛科技大学 | Motorcycle tire segmented mold structure for flat vulcanizing machine |
-
2008
- 2008-02-17 CN CNA2008100263425A patent/CN101234519A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633750B (en) * | 2009-08-25 | 2011-11-02 | 焦作市万瑞轮胎辅料有限公司 | Formula of recap rubber used by segmented mould and preparation process of recap rubber |
| CN101817237A (en) * | 2010-03-26 | 2010-09-01 | 顾鹏 | Large-scale precision radial tire combined-type capsule die |
| CN101905499A (en) * | 2010-07-12 | 2010-12-08 | 江阴市金凯阳机械装备有限公司 | Internal-tire vulcanizer of tire |
| CN101905499B (en) * | 2010-07-12 | 2012-05-23 | 江阴市金凯阳机械装备有限公司 | Internal-tire vulcanizer of tire |
| CN102000951A (en) * | 2010-11-10 | 2011-04-06 | 沈阳子午线轮胎模具有限公司 | Processing technology of aluminum pattern block for tire mold |
| CN102514122A (en) * | 2011-11-30 | 2012-06-27 | 安徽迈吉尔模具有限公司 | Integral meridian loose die |
| CN102514122B (en) * | 2011-11-30 | 2014-07-23 | 安徽迈吉尔模具有限公司 | Integral meridian loose die |
| CN109884990A (en) * | 2019-03-27 | 2019-06-14 | 福建建阳龙翔科技开发有限公司 | A kind of tyre building machine numerical control operating system and its control method |
| CN111660467A (en) * | 2020-06-16 | 2020-09-15 | 青岛科技大学 | Motorcycle tire segmented mold structure for flat vulcanizing machine |
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Open date: 20080806 |