CN101462331B - Solid tyre vulcanizing method and vulcanizing machine unit thereof - Google Patents
Solid tyre vulcanizing method and vulcanizing machine unit thereof Download PDFInfo
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- CN101462331B CN101462331B CN2008101546756A CN200810154675A CN101462331B CN 101462331 B CN101462331 B CN 101462331B CN 2008101546756 A CN2008101546756 A CN 2008101546756A CN 200810154675 A CN200810154675 A CN 200810154675A CN 101462331 B CN101462331 B CN 101462331B
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Abstract
The invention relates to a solid tire vulcanizing method and a vulcanizing set thereof, and belongs to the technical field of tire vulcanization. The solid tire vulcanizing method comprises: carrying out shaping and vulcanization separately, wherein a tire is put into a self-locking pressure maintaining die during shaping, and subjected to pressurizing and self-locking pressure maintaining to finish the shaping process; and carrying out the process of vulcanizing, wherein the die is placed into a vulcanizing furnace, a sealed space is formed in the vulcanizing furnace, and the die is heated to achieve vulcanization of the solid tire through steam flowing an upper heating plate and a lower heating plate. The vulcanizing set comprises a vulcanizing machine and a hoisting device, wherein the vulcanizing machine is provided with a shaping device and a vulcanizing device, the shaping device and the vulcanizing device have split structures, the vulcanizing device has a furnace type structure, and a main body frame is connected with a main driving hydraulic cylinder and a steam supply and discharge system; and the main driving hydraulic cylinder is connected with a furnace cover of the vulcanizing machine through a connecting pin shaft at the top of the hydraulic cylinder, the upper heating plate and the lower heating plate are arranged in a box body, the heating plates are connected with the steam supply and discharge system, and the box body is provided with a heat insulating layer. The method simplifies equipment structure, reduces energy consumption of products, and has the advantages of high production efficiency, high vulcanizing precision, and the like.
Description
Technical field
The invention belongs to the tyre vulcanization technical field, particularly relate to a kind of solid tyre vulcanization process and sulfuration unit thereof.
Background technology
Sulfuration process is the important procedure in the rubber tyre production process.Make the molecule structure change of rubber by sulfuration, and its combination property is significantly improved.The sulfuration process great majority are to adopt the conventional tire sulfuration process of having continued to use since the sixties in the tire production at present.The tradition vulcanizer has 2 sulfuration stations, simultaneously tire is carried out typing and sulfuration, and each vulcanizer all needs independently to join 2 electrical control cubicles and 2 hydraulic means.This process boiler exert pressure for a long time 160～250 tons and 180～220 celsius temperature steam and add promoter in large quantities.This first cure technology causes a large amount of energy consumptions on this basis, is to cut down the consumption of energy to adopt the way of shortening time, often occurs the tire uneven situation of being heated again, causes quality unreliable.Have, continuing to use the steam of traditional handicraft circulation or the heat of superheated water is sub-fraction by what tire absorbed again.A large amount of steam or superheated water discharge with being disabled.And existing this kind sulfuration process influences tire quality because of cure time length easily causes the over cure phenomenon.
Existing tyre vulcanizer is divided into mechanical type and fluid pressure type two big classes usually.
The mechanical type tyre vulcanizer generally adopts quadric chain, it realizes that do mechanical movement closing of upper and lower mould is tight by quadric chain, after pressurization, heating, make tire in mould, finish sulfidation, its shortcoming one is a complex structure, and the structure heaviness also includes crank gear transmission mechanism etc. and makes complicated; The 2nd, poor rigidity is as crossbeam and four connecting rod easy deformation etc.; The 3rd, because beam deformation is greatly affected die life, the 4th, the folding mould time, long-acting rate was low; The 5th, the plant maintenance amount is big.
The general fixing tower structure of upper and lower crossbeam that adopts of existing fluid pressure type tyre vulcanizer; Entablature then can be in the guide groove of biside plate lifting moving, when the matched moulds state, form the frame system of a sealing, their pressurization oil cylinder all is that device is exerted pressure on base usually, pressure acts on counterdie through bottom plate and reaches the purpose of tight mould, thereby has realized the sulfidation of tire in mould; Tire-mold for different-thickness; realize by the screw thread mould adjusting mechanism that between upper beam and patrix, is provided with; mounting plate bears from patrix and goes up the mould-tightening force that the hot plate transmission comes, and goes up the hot plate distortion thereby the restriction patrix reaches, and by screw thread mode transfer system mould-tightening force is being passed to entablature.Owing to need on the structure, what this tyre vulcanization machine equipment was done is comparatively huge, heavy and complicated, and the manufacture difficulty of product is big, cost is higher.
Summary of the invention
The technical problem of the present invention for existing in the solution known technology, and a kind of solid tyre vulcanization process and sulfuration unit thereof are provided.
One of purpose of the present invention provides a kind of solid tyre vulcanization process with characteristics such as technology is simple, energy-saving and cost-reducing, safety and stability, cost reductions.
The maximum difference part of the present invention and conventional cure method is with typing and vulcanizes to separate and carry out that two parts carry out simultaneously but do not interfere with each other.Finish in all described in front novel vulcanizer cavity of two parts.When typing, need tire is put into the mould of self-locking pressurize.This mould has the characteristics of " once pressurization " " self-locking pressurize ".In traditional sulfidation, need 160 tons～250 tons of persistent pressures.This novel fluidizing method adopts independent Mould design.Only need once pressurize 160 tons, mould has the function of self-locking pressurize, does not need persistent pressure.Finish tyre setting technology.And self-locking state 2 hours is no more than 10 tons from pressure release.Mould is placed in the vulcanizer cavity.The vulcanizer furnace pressure is closed.Form the space of a sealing in the vulcanizer, mould is heated by the steam that flows in the hot plate up and down.Vapor (steam) temperature is at 120～135 degrees centigrade.Promptly finished sulfuration in 2 hours, because of reasonable control time is heated evenly tire to have improved vulcanized quality greatly.Reduced energy consumption than traditional heating 180～220 degrees centigrade.After finishing sulfuration, the residue vapor in the discharging vulcanizer is closed air-supplying valve.Collect condensed water by recovery channel, utilize again.Take out mould.Open its self-locking device and take out the first cure tire.
The technical scheme that solid tyre vulcanization process of the present invention is taked is:
A kind of solid tyre vulcanization process, comprise typing and sulfuration process, be characterized in: typing and sulfuration are separately carried out, the real core fetus that rubber tyre body and wheel rim is bonded as one during typing is put into the mould of self-locking pressurize, the mould self-locking, the typing chuck is by hydraulic means, with the mould external locking and form high pressure prestressing force, tyre setting finished in its outside construction; Pressurization self-locking pressurize is the 120-200 ton that once pressurizes in mould, and type-approval process was finished in the self-locking pressurize in 1-3 hour; Sulfuration process is that mould is placed in the vulcanizer stove, closes the vulcanizer stove, forms the space of a sealing in the vulcanizer stove, by the steam that flows in last hot plate and the following hot plate mould is heated and realizes the solid tyre sulfuration; The vapor (steam) temperature that flows in the vulcanizer stove is 120-135 ℃, and cure time is 1-3 hour.
Two of purpose of the present invention provides a kind of solid tyre sulfuration unit with characteristics such as simple in structure, easy to operate, stable performance, cost reduction, complete machine precision height.
The technical scheme that solid tyre sulfuration unit of the present invention is taked is:
A kind of solid tyre sulfuration unit, be characterized in: comprise vulcanizer and hanging apparatus, vulcanizer has typing and vulcanization plant, calibrator and vulcanization plant are for dividing body structure, calibrator is the typing chuck, typing chuck, self-locking mould and vulcanization plant are equipped with, the real core fetus that rubber tyre body and wheel rim is bonded as one is put into mould, the mould self-locking, the typing chuck passes through hydraulic means, with the mould external locking and form high pressure prestressing force, mould to be sent in the vulcanization plant, vulcanization plant is a stove formula structure; Body of heater has main body frame, and main body frame connects main hydraulic cylinder, steam supply and the exhaust system of driving of dress; The main hydraulic cylinder that drives connects bearing pin connection vulcanizer bell by the hydraulic cylinder top, and upper and lower hot plate is housed in the casing, and hot plate connects steam to be supplied with and exhaust system, and casing is equipped with heat-insulation layer.
Solid tyre sulfuration unit of the present invention can also adopt following technical measures:
Described solid tyre sulfuration unit, be characterized in: main body frame is the channel-section steel lead frame, casing has double-layer plate to coat the cavity that main body frame constitutes, and the composite heat-insulation layer of filling is arranged in the cavity.
Described solid tyre sulfuration unit is characterized in: hot plate connects steam by jointing and supplies with and exhaust system.
Described solid tyre sulfuration unit, be characterized in: bell is provided with secondary hydraulic cylinder, and last hot plate auxiliary connection hydraulic cylinder is assemblied on the bell by lead.
Described solid tyre sulfuration unit is characterized in: the main hydraulic cylinder that drives is connected a cover hydraulic power supply system with secondary hydraulic cylinder.
Advantage that the present invention has and good effect:
Solid tyre vulcanization process and sulfuration unit thereof have adopted brand-new technology scheme of the present invention, make the tyre vulcanization cost significantly reduce, thereby also for tire manufacturing cost reduces, the energy-saving and cost-reducing superiority condition that provides; The present invention vulcanize unit have simple in structure, easily manufactured, processing ease, difficulty of processing little, be convenient to that maintenance, safety and stability, heat preservation energy-saving, cost reduce, complete machine precision advantages of higher.
Solid tyre vulcanization process advantage of the present invention is: 1, reduced the circulation timei of steam in the tire vulcanization process or superheated water in a large number, saved a large amount of steam or superheated water, significantly saved the energy, the power consumption of tire vulcanization process is reduced greatly; 2, the tyre vulcanization time has shortened, and boosts productivity and output, also improves utilization rate of equipment and installations; 3, prevented that effectively sulfuration from causing tire generation incipient scorch phenomenon, tire quality obviously improves, and the mileage number that is run improves 5-10% than the tire of isothermal and isobaric sulfuration process.
Description of drawings
Fig. 1 is a sulfuration process schematic flow sheet of the present invention;
Fig. 2 is a vulcanizer assembling action schematic diagram of the present invention
Fig. 3 is a vulcanizer structural representation of the present invention;
Fig. 4 is the plan structure schematic diagram of Fig. 2;
Fig. 5 is the furnace binding schematic diagram of main body frame;
Fig. 6 is the bell structural representation of main body frame;
Fig. 7 is a top hot plate syndeton schematic diagram;
Fig. 8 is a vulcanizer top heat insulation structural schematic diagram;
Fig. 9 is a vulcanizer bottom heat insulation structural schematic diagram;
Figure 10 is a vulcanizer side heat insulation structural schematic diagram;
Figure 11 is the anterior heat insulation structural schematic diagram of vulcanizer;
Figure 12 is a vulcanizer rear portion heat insulation structural schematic diagram.
Among the figure, 1, main body frame, 2, bearing pin, 3, the main hydraulic cylinder hot plate that drives, 4, the hydraulic cylinder top connects bearing pin, and 5, the main hydraulic cylinder bottom connects bearing pin, 6, secondary hydraulic cylinder, 7, guide post, 8, go up hot plate, 9, hot plate down, 10, the location angle bar, 11, steam supplies with and exhaust system, 12, hot plate joint, 13, casing, 14, the top thermal insulation layer, 15, top thermal insulation board, 16, the bottom thermal insulation layer, 17, the side thermal insulation layer, 18, thermal insulation board, 19, anterior thermal insulation layer, 20, the rear portion thermal insulation layer.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now also in conjunction with the accompanying drawings, be described in detail as follows:
A kind of solid tyre vulcanization process comprises typing and sulfuration process, and typing and sulfuration are separately carried out, and during typing tire are put into the mould of self-locking pressurize, and type-approval process is finished in pressurization self-locking pressurize; Sulfuration process is that mould is placed in the vulcanizer stove, closes the vulcanizer stove, forms the space of a sealing in the vulcanizer stove, by the steam that flows in the hot plate up and down mould is heated and realizes the solid tyre sulfuration.Pressurization self-locking pressurize is once to pressurize 160 tons in mould, and type-approval process was finished in the self-locking pressurize in 2 hours.The vapor (steam) temperature that flows in the vulcanizer stove is 160 ℃, and cure time is 2 hours.
Vulcanization process of the present invention has been simplified the equipment formation on the basis of lasting high pressure that has kept former sulfuration needs and high temperature, reduce the consumption of product, after specific energy consumption reduced by 90% this sulfuration process of employing and sulfuration unit mutually with traditional vulcanizer, the first cure technical process was:
1, dress tire
The real core fetus that rubber tyre body and wheel rim is bonded as one is put into mould, the mould self-locking.
2, high pressure typing
The typing chuck is by hydraulic means, with the mould external locking and form high pressure prestressing force, tyre setting finished in its outside construction.
3, sulfuration is prepared
Hydraulic Station work sulfuration unit loam cake is opened; It is indoor that suspension hook is sent high pattern tool into the sulfuration unit; Loam cake is closed.
4, sulfuration beginning
To 120～150 ℃ of steam of the sulfuration indoor feeding of unit, vulcanized 2 hours.
5, sulfuration finishes
The discharging residue vapor is closed air-supplying valve.
6, unload tire
The vulcanizing chamber loam cake is opened in Hydraulic Station work, and suspension hook takes out mould; Open self-locking device and take out the first cure tire.
The purpose of present embodiment is a kind of novel isobaric alternating temperature tyre vulcanizing of design, to significantly reduce the energy consumption in the tire vulcanization process, improves vulcanized quality.Vulcanize unit by the typing chuck, the self-locking mould, suspension hook and vulcanizer four parts are formed, and employing is finalized the design and is vulcanized separately, and vulcanizer adopts steel construction, and the mode of coating insulation material promptly reduces steel consumption, also strengthens heat insulation effect, energy efficient; Shaper adopts self-locking simultaneously, only needs once pressurization.First type rubber is put into the mould once-forming that pressurizes, and 160 tons of degree that shaper is withstand voltage, and self-locking state 2 hours are no more than 10 tons from pressure release.Put in the vulcanizer after shaper is finalized the design tire pressurization and vulcanize, vulcanizer bears 200 ℃ of maximum temperatures.
A kind of solid tyre sulfuration unit comprises solid tyre calibrator and vulcanization plant, and calibrator and vulcanization plant are for dividing body structure, and calibrator and vulcanization plant are equipped with, and calibrator is the typing chuck.Vulcanization plant is a stove formula structure, and body of heater has main body frame, and main body frame 1 connects main hydraulic cylinder 3, steam supply and the exhaust system 11 of driving of dress; The main hydraulic cylinder 3 that drives connects bearing pin 4 connection vulcanizer bells by the hydraulic cylinder top, connects bearing pin 5 by the main hydraulic cylinder bottom and is assemblied in main body frame.Hot plate 8, following hot plate 9 are housed in the casing 13, and hot plate connects steam to be supplied with and exhaust system 11, and casing is equipped with heat-insulation layer.Main body frame 1 is the channel-section steel lead frame, and the casing main body coats double-layer plate, and there is the packing material heat-insulation layer centre.Body of heater is assembled together by bearing pin 2 and bell.Bell is provided with secondary hydraulic cylinder 6, and last hot plate 8 auxiliary connection hydraulic cylinders 6 are assemblied on the bell by lead 7.The main hydraulic cylinder that drives is connected a shared cover hydraulic power supply system with secondary hydraulic cylinder.Last hot plate 8 is connected steam with following hot plate 9 by hot plate joint 12 and supplies with and exhaust system 11.Hot plate 9 positions by location angle bar 10.Thermal insulation board 15 and thermal insulation layer 14 are equipped with in the vulcanizer top, and thermal insulation layer 16 is equipped with in the bottom, and thermal insulation board 18 and thermal insulation layer 17 are equipped with in the side, and thermal insulation layer 19 is equipped with in the front portion, and thermal insulation layer 20 is equipped with at the rear portion.The heat-insulation layer that the top of casing, bottom, side, front and rear are equipped with, energy-saving effect is obvious.
The concrete structure characteristics of present embodiment:
Fig. 2 is a vulcanizer main body frame of the present invention, and Fig. 3 is the oven body part of vulcanizer main body frame of the present invention.Two parts connect by the connecting pin shaft portion, by the vulcanizer rear portion the main effect that drives hydraulic system finish opening of bell with closed, the main hydraulic system that drives is connected with main body frame to be connected bearing pin by main hydraulic cylinder top connection bearing pin with the main hydraulic cylinder bottom, finishes its main body action.Secondary hydraulic cylinder 6 is finished stretching out and withdrawal of hot plate 8.Secondary hydraulic cylinder front portion links to each other with last hot plate by bolt.Guide post plays guide effect when hot plate is drawn and withdrawn, make its flag more steadily reliable.Following hot plate 9 is fixed on the main body frame bottom.Realize its location by location angle bar 10.11 are vulcanizer steam supply of the present invention and exhaust system, be connected with last hot plate 8, following hot plate 9 by hot plate joint 12, and it is carried out steam supply with, in order to reduce scattering and disappearing of heat, fill up compound assurance material in the novel vulcanizer casing 13, vulcanizer is overmolding to a casing of sealing, guarantees under the lower state of receipt temperature, to finish sulfidation solid tyre.
Solid tyre sulfuration unit of the present invention has thoroughly been broken the version of traditional vulcanizer, and innovation has changed tyre vulcanizing.Make the cost of vulcanizer itself significantly reduce, thereby also for tire manufacturing cost reduces, the energy-saving and cost-reducing superiority condition that provides.
The present invention vulcanizes unit the tyre setting function is separated from the vulcanizer structure.List is finalized the design outside vulcanizer with qualitative chuck, puts it in the sulfuration chamber of this novel vulcanizer by hook gear then, vulcanizes again.Thereby above-mentioned two kinds of traditional vulcanizer complex structures have been overcome, difficulty of processing height, the shortcoming of Operation and Maintenance complexity.
Vulcanizer is formed new design:
Because typing separates (typing is finished) with the sulfuration function in independent mould, vulcanizer does not need to apply very high pressure, therefore its structure employing channel-section steel lead frame is that main body coats double-layer plate, and middle fill insulant material (former traditional vulcanizer structure can't coat insulation material) is because the breakthrough of structural design; Promptly one is that former typing sulfuration one is become typing, the cooperation of sulfuration extension set, the 2nd, change into production line of batch by former single-piece production form.Embodied the innovation of tire shaping vulcanizing technology, and existing unit is to finalize the design for separating one (typing is finished) so need not continue to exert pressure in the typing chuck with sulfuration in sulfidation.Because the unit good heat insulating, the sulfuration heating only needs 120-135 ℃.
In a word, simple in structure, easily manufactured, the energy-saving safe of vulcanizer of the present invention, cost reduce.
Claims (6)
1. a solid tyre vulcanizes unit, it is characterized in that: comprise vulcanizer and hanging apparatus, vulcanizer has typing and vulcanization plant, calibrator and vulcanization plant are for dividing body structure, calibrator is the typing chuck, typing chuck, self-locking mould and vulcanization plant are equipped with, the real core fetus that rubber tyre body and wheel rim is bonded as one is put into mould, the mould self-locking, the typing chuck passes through hydraulic means, with the mould external locking and form high pressure prestressing force, mould to be sent in the vulcanization plant, vulcanization plant is a stove formula structure; Body of heater has main body frame, and main body frame connects main hydraulic cylinder, steam supply and the exhaust system of driving of dress; The main hydraulic cylinder that drives connects bearing pin connection vulcanizer bell by the hydraulic cylinder top, and upper and lower hot plate is housed in the casing, and hot plate connects steam to be supplied with and exhaust system, and casing is equipped with heat-insulation layer.
2. solid tyre sulfuration unit according to claim 1, it is characterized in that: main body frame is the channel-section steel lead frame, casing has double-layer plate to coat the cavity that main body frame constitutes, and the composite heat-insulation layer of filling is arranged in the cavity.
3. solid tyre sulfuration unit according to claim 1 is characterized in that: hot plate connects steam by jointing and supplies with and exhaust system.
4. solid tyre sulfuration unit according to claim 1, it is characterized in that: bell is provided with secondary hydraulic cylinder, and last hot plate auxiliary connection hydraulic cylinder is assemblied on the bell by lead.
5. solid tyre sulfuration unit according to claim 4 is characterized in that: the main hydraulic cylinder that drives is connected a cover hydraulic power supply system with secondary hydraulic cylinder.
6. the solid tyre vulcanization process of solid tyre sulfuration unit according to claim 1, comprise typing and sulfuration process, it is characterized in that: typing and sulfuration are separately carried out, the real core fetus that rubber tyre body and wheel rim is bonded as one during typing is put into the mould of self-locking pressurize, the mould self-locking, the typing chuck is by hydraulic means, with the mould external locking and form high pressure prestressing force, tyre setting finished in its outside construction; Pressurization self-locking pressurize is the 120-200 ton that once pressurizes in mould, and type-approval process was finished in the self-locking pressurize in 1-3 hour; Sulfuration process is that mould is placed in the vulcanizer stove, closes the vulcanizer stove, forms the space of a sealing in the vulcanizer stove, by the steam that flows in last hot plate and the following hot plate mould is heated and realizes the solid tyre sulfuration; The vapor (steam) temperature that flows in the vulcanizer stove is 120-135 ℃, and cure time is 1-3 hour.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101546756A CN101462331B (en) | 2008-12-30 | 2008-12-30 | Solid tyre vulcanizing method and vulcanizing machine unit thereof |
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| CN2008101546756A CN101462331B (en) | 2008-12-30 | 2008-12-30 | Solid tyre vulcanizing method and vulcanizing machine unit thereof |
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| CN101462331B true CN101462331B (en) | 2011-06-01 |
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Families Citing this family (4)
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| CN104744750A (en) * | 2013-12-26 | 2015-07-01 | 江苏森光橡胶制品有限公司 | Novel conductive and flame retardant mining tread mix formula of solid tyre and production process |
| CN109878118B (en) * | 2018-10-23 | 2021-11-23 | 合海橡塑装备制造有限公司 | Intelligent logistics of vulcanizing machine |
| CN109693326B (en) * | 2018-10-23 | 2021-11-23 | 合海橡塑装备制造有限公司 | Intelligent vulcanizing unit |
| CN110497637A (en) * | 2019-07-22 | 2019-11-26 | 郑州四维新材料技术研究院有限公司 | A method of carrying out the vulcanization of rubber on metal wheel hub |
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| CN201371535Y (en) * | 2008-12-30 | 2009-12-30 | 天津滨海新宇科技有限公司 | Solid tire curing press |
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| CN201371535Y (en) * | 2008-12-30 | 2009-12-30 | 天津滨海新宇科技有限公司 | Solid tire curing press |
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