CN103538187A - Single-mold engineering tire shaping vulcanizing machine and engineering tire vulcanizing method - Google Patents
Single-mold engineering tire shaping vulcanizing machine and engineering tire vulcanizing method Download PDFInfo
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- CN103538187A CN103538187A CN201210241704.9A CN201210241704A CN103538187A CN 103538187 A CN103538187 A CN 103538187A CN 201210241704 A CN201210241704 A CN 201210241704A CN 103538187 A CN103538187 A CN 103538187A
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Abstract
The invention relates to a single-mold shaping vulcanizing machine, and in particular relates to a single-mold engineering tire shaping vulcanizing machine and an engineering tire vulcanizing method applicable to engineering tire vulcanizing. A lower tray is arranged on a base; an upper tray which is matched with the lower tray is arranged on the lower tray; a mold frame mechanism is arranged between the upper tray and the lower tray; a capsule clamping mechanism is arranged in the mold frame mechanism and is controlled by an oil cylinder lifting mechanism; the upper tray and the lower tray are pressurized and fixed through a mold assembly pressurizing device; the mold assembly pressurizing device is locked by a locking device; a steam loop mechanism is arranged outside the mold frame mechanism; a vulcanizing circulation mechanism which is communicated with the capsule clamping mechanism is arranged in the capsule clamping mechanism; a pressurization mold locking mechanism is arranged in the base and is used for pushing the upper tray and the lower tray to rise. The single-mold engineering tire shaping vulcanizing machine and the engineering tire vulcanizing method are compact in structure, the operation is simplified, and the product stability and the product quality are improved.
Description
Technical field
The present invention relates to a kind of sizing mono-die vulcanizer, relate in particular to a kind of engineering tyre sizing mono-die vulcanizer and engineering tyre vulcanization process thereof, be applicable to engineering tyre sulfuration.
Background technology
Vulcanizer in currently available technology, structure relative complex, and also cure efficiency is not good, while troublesome poeration, and the poor stability of sulfuration, causes unstable product quality.
Chinese patent 200410039785.X, discloses a kind of tyre vulcanizer, and crude tyre is carried out to vulcanization forming, comprises: accommodate the metal pattern of crude tyre matched moulds, aforementioned metal mould consists of upper metal pattern and lower metal pattern; The chuck segment that keeps crude tyre; By aforementioned chuck segment is moved, crude tyre is moved into aforementioned upper metal pattern under die opening state and the loader mechanism between aforementioned lower metal pattern, aforementioned loader mechanism can be seated on aforementioned metal mould; Be located at aforementioned lower metal pattern one side of aforementioned vulcanizer, with the central shaft of aforementioned lower metal pattern with core shape the gomphosis part that configures; With the crude tyre with keeping, with the mode of core, be located at the guide rod in aforementioned chuck segment, aforementioned guide rod is when the crude tyre of aforementioned chuck segment is located action, and the leading section of aforementioned guide rod and aforementioned gomphosis part are chimeric.This structure relative complex, and operation is not easy, and the stability of sulfuration is relatively low simultaneously.
Summary of the invention
The present invention solves the deficiencies in the prior art, and a kind of compact conformation is provided, simultaneously easy and simple to handle, can greatly improve engineering tyre sizing mono-die vulcanizer and the engineering tyre vulcanization process thereof of sulfuration stability.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of engineering tyre sizing mono-die vulcanizer, comprise base, described base is provided with lower tray, described lower tray is provided with top tray with matching, between described top tray and lower tray, be provided with mould frame mechanism, in described mould frame mechanism, be provided with capsule clamping mechanism, in described capsule clamping mechanism, pass through oil cylinder lifting phase control, described top tray and lower tray are added to press solidly by matched moulds pressue device determines, described matched moulds pressue device is locked mutually by locking device, described mould frame mechanism is provided with steam-return line mechanism outward, in described capsule clamping mechanism, be provided with and be attached thereto logical vulcanisation cycle mechanism, in described base, be provided with supercharging clamping mechanism, described supercharging clamping mechanism promotes top tray and lower tray rises, described mould frame mechanism comprises female die and upper mold section, described female die and upper mold section engage formation fetus installation cavity mutually, in described upper mold section, be provided with patrix capsule clamping breach, in described female die, be provided with counterdie capsule clamping breach,
Described capsule clamping mechanism comprises chuck, on make mould chuck, on make mould, lower chuck, order mould and curing bag, on described, make mould and on make mould chuck fasten, on described, make mould and patrix capsule clamping breach touch mutually, described upper chuck and on make mould chuck fix, described lower chuck and the mould of ordering fix, described mould and the counterdie capsule clamping breach of ordering fastens, the top of described curing bag be located at chuck and on make between mould chuck, the bottom of described curing bag is located at orders between mould and lower chuck, the shape of the shape of described curing bag and fetus installation cavity inwall is suitable, described oil cylinder lifting comprises pressed on ring hoist cylinder and lower ring hoist cylinder, in described pressed on ring hoist cylinder, be provided with pressed on ring piston rod, described pressed on ring piston rod passes lower chuck and fixes with upper chuck, in described lower ring hoist cylinder, be provided with lower ring piston rod, described lower ring piston rod and the bottom of pressed on ring hoist cylinder connect and fix with it, and described lower ring piston rod promotes pressed on ring hoist cylinder and drives lower chuck to carry out upper and lower displacement, described matched moulds pressue device comprises retainer, and described top tray is locked by retainer and base mutually with lower tray, and the top of described retainer is provided with rotating pintle hook lock, and described pintle hook lock rotates by pintle hook lock cylinder and locks mutually with top tray, described locking device comprises lock collar and locking cylinder, and described retainer and pintle hook lock cylinder are located in lock collar, and one end and the base of described locking cylinder fix, and the other end and the lock collar of described locking cylinder fix, described steam-return line mechanism comprises that vapor chamber wall, lower vapor chamber wall, outer temperature steam inlet tube and outer temperature steam go out pipe, described upper vapor chamber wall covers on upper mold section, described lower vapor chamber wall covers on female die, described upper vapor chamber wall and the lower vapor chamber wall formation vapor chamber that is connected, described outer temperature steam inlet tube is connected with upper vapor chamber wall, and described outer temperature steam goes out the bottom that pipe is located at lower vapor chamber wall, in described vulcanisation cycle mechanism comprises, compress into pipe and push back pipe, compressing into pipe in described to extend to curing bag by lower chuck, in being provided with in described lower chuck, pushing back pipe, described supercharging clamping mechanism comprises promotion frame, and described promotion has been set up in base, between the bottom of described promotion frame and base, forms booster cavity, is provided with power water pipe and is connected with booster cavity in described base.
As preferably, described female die is provided with the flange collar fastening with upper mold section, and the both sides of described flange collar have embedded respectively sealing ring and sealed mutually with upper mold section, and top and the top tray of described upper mold section fix, and described female die and lower tray are halved together;
The upper end of described curing bag is provided with card convex head, described upper card convex head be connected to chuck and on make between mould chuck, the bottom of described curing bag is provided with lower card convex head, described lower card convex head is connected to orders between mould and lower chuck, in described lower chuck, be provided with wear-resistant sleeve, described wear-resistant sleeve and pressed on ring piston rod socket-connect, between the outer wall of described wear-resistant sleeve and lower chuck, seal mutually by wear-resistant sleeve sealing ring respectively between the inwall of wear-resistant sleeve and lower chuck; Locate mutually by clamp ring and upper chuck at the top of described pressed on ring piston rod, the top of described pressed on ring piston rod is covered with gland, described gland and upper chuck fix, described pressed on ring hoist cylinder overcoat has draw-bar seat, described draw-bar seat and base fix, and are provided with equally distributed pull bar in described draw-bar seat, and the tail end of described pull bar and lower ring hoist cylinder fix, in described draw-bar seat, be provided with regulating block, described regulating block touches mutually with pressed on ring hoist cylinder; The inwall of described retainer is provided with retainer draw-in groove, the below of described retainer draw-in groove is provided with retainer latch segment, the outer wall of described base is provided with locking slot, described retainer latch segment and locking slot are suitable, the bottom of described retainer is provided with roller, described roller and the outer wall of base fit, and the bottom edge of described top tray is provided with mutually integrated top tray flange collar with it, described top tray flange collar and locking slot phase shift butt; Described outer temperature steam inlet tube enters in upper mold section through lower tray, outer temperature steam inlet tube enters in female die by upper mold section, outer temperature steam inlet tube enters to vapor chamber by female die, described outer temperature steam goes out pipe locates with lower vapor chamber wall mutually by pipe casting die, and described outer temperature steam goes out pipe and extends base through promoting frame; The bottom of described lower chuck is provided with inlet pipe fixed bit, compresses into pipe and inlet pipe fixed bit bolt in described, and the top of described lower chuck is provided with interior and compresses into the crimp head that pipe is connected; The two side ends of described promotion frame seals by supercharging sealing ring respectively mutually with base, and the described outer wall of promotion frame and the inwall of base fit, and the described top of promotion frame and the bottom of lower tray fix.
As preferably, between described top tray and upper mold section, be provided with upper padding plate, described top tray, upper padding plate and upper mold section are fastened by hanging mould screw, between the bottom of described female die and promotion frame, are provided with lower bolster, and described upper padding plate and lower bolster are respectively double-deck backing plate;
Described upper chuck and on make between mould chuck, lower chuck fixes by screw with the intermode of ordering;
Described roller is located in roller mount, described roller mount is located in roller butt frame, in described roller butt frame, be provided with roller butt bolt, described roller butt bolt and the outer wall of roller mount connect, and described roller butt frame and roller mount fix with retainer respectively.
As preferably, described top tray and lower tray are added and are pressed solidly surely by three mutually equally distributed matched moulds pressue devices, and described matched moulds pressue device is locked mutually by the locking device of a pair of symmetrical distribution; The bottom of described base is provided with installation ring recess, is provided with mutually integrated installation dop with it in described installation ring recess.
A vulcanization process, operates according to the following steps:
(1), curing bag is installed:
Pressed on ring hoist cylinder declines, by the upper rim of the mouth of curing bag be clamped in upper chuck with on make between mould chuck, the lower rim of the mouth of curing bag is clamped in to lower chuck and the intermode of ordering, green tyres is packed in fetus installation cavity;
(2), input sizing steam in curing bag:
By the interior pipe of compressing into, toward curing bag input sizing steam, and the throttle orifice in loop opens, and the aperture of throttle orifice is 8mm, forms and circulates; The pressure of sizing steam is 1.0～1.2MPa, and the pressure of sizing steam is by direct-operated regulator phase control, and the time that sizing steam passes into is 8～10 minutes, and the temperature of sizing steam is 165～175 ℃;
Route is provided with direct-operated regulator, and the pressure that guarantees sizing steam has a fluctuation up and down a little a setting value.
On the loop of corresponding vapour road and oil circuit, design throttle orifice, matched moulds process can be carried out but be unlikely to decompression and cause goods generation defect.
(3), mould location:
By on make mould be installed in making on mould chuck, utilize boom hoisting to lift to vulcanizer top tray, upper padding plate and upper mold section, and downward matched moulds slowly, utilize the deadweight of whole patrix that green tyres is progressively depressed, matched moulds pressue device starts, and increases mold clamping force, accelerates matched moulds step order, protrude gradually in green tyres centre position, is full of whole fetus installation cavity; Matched moulds process is by the process of the sizing gas in whole curing bag and pressed on ring hoist cylinder rodless cavity fluid compression, when upper mold section and female die matched moulds approach, the pin on the pin-and-hole on upper mold section and female die is coordinated to the circumferential location that completes upper/lower die;
(4), carry out locked mode processing:
Upper mold section and female die carry out after matched moulds, and locking device moves, and locking cylinder is stretched, and drive retainer along the circumferential direction rotation under the positioning action of roller, make top tray and retainer overlapping up and down;
(5), carry out locked mode pressurized treatment:
Power water pipe is opened, the pressure of power water is 2.5～3.0MPa, power water enters in booster cavity, under the promotion of power hydraulic pressure, promoting frame moves on starting, drive lower tray, female die, upper mold section and top tray upwards to rise, then top tray and retainer connect simultaneously, and drive retainer to rise, until cover in the gap between retainer and base, locked mode supercharging completes;
(6), outer temperature steam input:
After locked mode supercharging completes, outer temperature steam inlet tube is opened, the pressure of steam is 0.8～1.0MPa, temperature is 165～175 ℃, steam enters in vapor chamber, after the circulation of vapor chamber, enter to outer temperature steam and go out pipe, in outer temperature vapor recycle pipeline, be provided with pneumatic diaphragm control valve and measurement mechanism, temperature measuring equipment records after the numerical value of outer temperature steam, converting thereof into is the digital quantity signal of a 4～20mA, after PLC compares this signal and setting value, the signal of telecommunication of a 4～20mA of output is to electrical converter, electrical converter regulates the control air pressure of pneumatic diaphragm control valve accordingly according to the numerical value that obtains the signal of telecommunication, variation by air pressure changes the height of pneumatic diaphragm control valve, in outer warm pipeline, the flow of steam changes, realization is controlled the constant of temperature by the variation of real-time control steam flow,
(7), in curing bag, input pressurising water:
After locked mode supercharging completes, inside compress into pipe and by the steam of shaping, switch to pressurising water and enter, the pressure of pressurising water is 1.5～2.0MPa, temperature is 90～100 ℃, the time that pressurising water passes into is 3～5 minutes, further promotes the interior pressure pressure of curing bag, for a rear stepping superheated water is prepared;
(8), in curing bag, input superheated water, carry out vulcanizing treatment:
After pressurising water has been pressed the interior voltage rise of curing bag, inside compress into pipe and by pressurising water, enter to switch to superheated water and enter, the pressure of superheated water is 2.5～3.0MPa, the temperature of superheated water is 200～210 ℃, and in push back pipe and open, form circulation, sulfuration starts, and cure time is 80～85 minutes;
When cure time reached after the time of technique initialization, superheated water and outer temperature steam stop, interior pressure is decontroled and is opened, until the Pressure Drop in curing bag is when setting value 0.5MPa, interior pressure is put and is stopped, the Recovery of the hot water that interior pressure is put recycles after superheated water master station processes, and this walks 2～3 minutes order used times.
Inside compress into pipe and pass into cooling water, and chilled(cooling) water return (CWR) opens, form circulation, the pressure of cooling water is 0.5～0.7MPa;
Cooling water pressure and temperature are all not high, because profile height and the diameter of tyres of engineering tyre are all very large, natural cooling water needs long time, its objective is the tire cool of having vulcanized is arrived to suitable temperature, and the operations of being convenient to after die sinking is conveniently carried out.
The time that enters to curing bag when cooling water is 8～10 minutes, and the temperature of green tyres is down to 80～90 ℃, now closes interior cooling water pressure;
Now because the glassware for drinking water in curing bag has higher pressure, thereby the most of automatic-discharging of water wherein and recycling.
After green tyres cooling, main arranging opened, by the water pressure release in curing bag and in booster cavity to return pipe, recycling, the power of taking by force of pressure release approaches zero-pressure state;
After main drained one-tenth, vacuumize, the vacuum vacuumizing is-0.3～0.5 atmospheric pressure, and the time vacuumizing is 2～3 minutes;
While vacuumizing, by sampling the pipeline from interior pressure and external pressure, carry out zero-voltage-switch detection, when pressure reaches safety value, by zero-voltage-switch inverse signal, to PLC, PLC sends die sinking signal, and signal can safe die sinking; If run into urgent situation, can starting switch, system can be carried out dump processing;
The object vacuumizing is the steam of not going out in water that curing bag inside is not drained completely after main row and external pressure steam pipeline, condensed water mixture is extracted out, while starting to avoid next cylinder tyre vulcanization to walk order, the wherein impact of remaining cold water on inside and outside Wen Wendu, vacuumize general employing vavuum pump or power water jet device and realize, the former is that driven by motor pump rotates and formation negative pressure; The latter be by the power water of certain pressure by an injection valve that bore is gradually little, at the larger caliber end of valve, form that the principle of negative pressure realizes.
(9), carry out die sinking:
Locking cylinder switches to contracting state by the state of stretching, and drives retainer along circle direction rotation, makes base and retainer remove overlap condition;
Use boom hoisting, top tray, upper padding plate and upper mold section are steadily hung out from vulcanizer;
By on make mould from above, make on mould chuck hanging out;
Pressed on ring hoist cylinder is stretched state, makes mould chuck, upper chuck and gland rise in drive, and pull out curing bag from green tyres inner chamber in the upper rim of the mouth of stretching curing bag;
Lower ring hoist cylinder is stretched state, drives wear-resistant sleeve, lower chuck and the mould of ordering rises, and because the lower rim of the mouth of green tyres is stuck in, orders on mould, on the lower rim of the mouth of green tyres and position, lower sidewall, rise, from female die decorative pattern, deviate from, lower ring hoist cylinder carries out contracting state, restPoses;
Use snap fit, block the port part of walking of green tyres, slowly green tyres is hung out from lower mold half, hang out in process and will prevent that tire from significantly rocking.
Pressurising water refers to: temperature is 100 ℃, and pressure is the press water of 2MPa left and right.
Superheated water refers to: refer to that water reaches boiling point (100 ℃) but because lack bubble in water, or other reason (modal reason is pressurizeed exactly), at 100 ℃, also keeping above liquid state, there is no the water of boiling.
Cooling water refers to: common running water.
The invention provides a kind of engineering tyre sizing mono-die vulcanizer and engineering tyre vulcanization process thereof, compact conformation, simplifies the operation, and improving product stability, improves the quality of products.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is mould frame mechanism structural representation in the present invention.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: as Fig. 1, shown in Fig. 2 and Fig. 3, a kind of engineering tyre sizing mono-die vulcanizer, comprise base 1, described base 1 is provided with lower tray 2, described lower tray 2 is provided with top tray 3 with matching, 2 of described top tray 3 and lower trays are provided with mould frame mechanism, in described mould frame mechanism, be provided with capsule clamping mechanism, in described capsule clamping mechanism, pass through oil cylinder lifting phase control, described top tray 3 and lower tray 2 are added to press solidly by matched moulds pressue device determines, described matched moulds pressue device is locked mutually by locking device, described mould frame mechanism is provided with steam-return line mechanism outward, in described capsule clamping mechanism, be provided with and be attached thereto logical vulcanisation cycle mechanism, in described base 1, be provided with supercharging clamping mechanism, described supercharging clamping mechanism promotes top tray 3 and rises with lower tray 2, described mould frame mechanism comprises female die 4 and upper mold section 5, described female die 4 and upper mold section 5 mutually engaging form fetus installation cavity 6, in described upper mold section 5, be provided with patrix capsule clamping breach 7, in described female die 4, be provided with counterdie capsule clamping breach 8, described capsule clamping mechanism comprises chuck 9, on make mould chuck 10, on make mould 11, lower chuck 66, order mould 12 and curing bag 13, on described, make mould 11 with on make mould chuck 10 fasten, on described, make mould 11 and patrix capsule clamping breach 7 touch mutually, described upper chuck 9 with on make mould chuck 10 fix, described lower chuck 66 and the mould 12 of ordering fix, the described mould 12 of ordering fastens with counterdie capsule clamping breach 8, the top of described curing bag 13 be located at chuck 9 and on make 10, mould chuck, the bottom of described curing bag 13 is located at order 66 of mould 12 and lower chucks, the shape of the shape of described curing bag 13 and fetus installation cavity 6 inwalls is suitable, described oil cylinder lifting comprises pressed on ring hoist cylinder 14 and lower ring hoist cylinder 15, in described pressed on ring hoist cylinder 14, be provided with pressed on ring piston rod 16, described pressed on ring piston rod 16 passes lower chuck 66 and fixes with upper chuck 9, in described lower ring hoist cylinder 15, be provided with lower ring piston rod 17, described lower ring piston rod 17 connects and fixes with it with the bottom of pressed on ring hoist cylinder 14, and described lower ring piston rod 17 promotes pressed on ring hoist cylinder 14 and drives lower chuck 66 to carry out upper and lower displacement, described matched moulds pressue device comprises retainer 18, described top tray 3 is locked with base 1 by retainer 18 mutually with lower tray 2, the top of described retainer 18 is provided with rotating pintle hook lock 19, and described pintle hook lock 19 rotates by pintle hook lock cylinder 20 and locks mutually with top tray 3, described locking device comprises lock collar 21 and locking cylinder 22, and described retainer 18 and pintle hook lock cylinder 20 are located in lock collar 21, and one end and the base 1 of described locking cylinder 20 fix, and the other end and the lock collar 21 of described locking cylinder 20 fix, described steam-return line mechanism comprises that vapor chamber wall 27, lower vapor chamber wall 28, outer temperature steam inlet tube 29 and outer temperature steam go out pipe 30, described upper vapor chamber wall 27 covers on upper mold section 5, described lower vapor chamber wall 28 covers on female die 4, described upper vapor chamber wall 27 and lower vapor chamber wall 28 are connected and form vapor chamber 31, described outer temperature steam inlet tube 29 is connected with upper vapor chamber wall 27, and described outer temperature steam goes out the bottom that pipe 30 is located at lower vapor chamber wall 28, in described vulcanisation cycle mechanism comprises, compress into pipe 32 and push back pipe 33, compressing into pipe 32 in described and extend to curing bag 13 by lower chuck 66, in being provided with in described lower chuck 66, pushing back pipe 33, described supercharging clamping mechanism comprises promotion frame 34, and described promotion frame 34 is provided with in base 1, and 1 of the bottom of described promotion frame 34 and base form booster cavity 35, be provided with power water pipe 36 and be connected with booster cavity 35 in described base 1.Described female die 4 is provided with the flange collar 37 fastening with upper mold section 5, the both sides of described flange collar 37 have embedded respectively sealing ring 38 and have sealed mutually with upper mold section 5, top and the top tray 3 of described upper mold section 5 fix, and described female die 4 is halved together with lower tray 2; The upper end of described curing bag 13 is provided with card convex 39, described upper card convex 9 be connected to chuck 9 and on make 10, mould chuck, the bottom of described curing bag 13 is provided with lower card convex 40, described lower card convex 40 is connected to order 66 of mould 12 and lower chucks, in described lower chuck 66, be provided with wear-resistant sleeve 41, described wear-resistant sleeve 41 socket-connects with pressed on ring piston rod 16, and the outer wall of described wear-resistant sleeve 41 seals by wear-resistant sleeve sealing ring 42 respectively mutually with inwall and 66 of the lower chucks of 66 of lower chucks, wear-resistant sleeve 41; Locate with upper chuck 9 mutually by clamp ring 43 at the top of described pressed on ring piston rod 16, the top of described pressed on ring piston rod 16 is covered with gland 44, described gland 44 fixes with upper chuck 9, described pressed on ring hoist cylinder 14 overcoats have draw-bar seat 45, described draw-bar seat 45 fixes with base 1, in described draw-bar seat 45, be provided with equally distributed pull bar 46, the tail end of described pull bar 46 and lower ring hoist cylinder 15 fix, in described draw-bar seat 45, be provided with regulating block 47, described regulating block 47 touches mutually with pressed on ring hoist cylinder 14; The inwall of described retainer 18 is provided with retainer draw-in groove 48, the below of described retainer draw-in groove 48 is provided with retainer latch segment 49, the outer wall of described base 1 is provided with locking slot 50, described retainer latch segment 49 is suitable with locking slot 50, the bottom of described retainer 18 is provided with roller 51, described roller 51 fits with the outer wall of base 1, and the bottom edge of described top tray 3 is provided with mutually integrated top tray flange collar 52 with it, described top tray flange collar 52 and locking slot 50 phase shift butts; Described outer temperature steam inlet tube 29 enters in upper mold section 5 through lower tray 2, outer temperature steam inlet tube 29 enters in female die 4 by upper mold section 5, outer temperature steam inlet tube 29 enters to vapor chamber 31 by female die 4, described outer temperature steam goes out pipe 30 locates with lower vapor chamber wall 28 mutually by pipe casting die 53, and described outer temperature steam goes out pipe 30 and extends base 1 through promoting frame 34; The bottom of described lower chuck 66 is provided with inlet pipe fixed bit 54, compresses into pipe 32 and inlet pipe fixed bit 54 bolts in described, and the top of described lower chuck 66 is provided with and interior pipe 32 crimp head that are connected 55 of compressing into; The two side ends of described promotion frame 34 seals by supercharging sealing ring 56 respectively mutually with base 1, and the outer wall of described promotion frame 34 and the inwall of base 1 fit, and the top of described promotion frame 34 and the bottom of lower tray 2 fix.5 of described top tray 3 and upper mold sections are provided with upper padding plate 57, described top tray 3, upper padding plate 27 are fastened by hanging mould screw 58 with upper mold section 5, the bottom of described female die 4 and 34, frame of promotion are provided with lower bolster 59, and described upper padding plate 57 is respectively double-deck backing plate with lower bolster 59; Described upper chuck 9 and on make 10, mould chuck, lower chuck 66 and 12 of the moulds of ordering fix by screw 60; Described roller 51 is located in roller mount 61, described roller mount 61 is located in roller butt frame 62, in described roller butt frame 62, be provided with roller butt bolt 63, described roller butt bolt 63 connects with the outer wall of roller mount 61, and described roller butt frame 62 fixes with retainer 18 respectively with roller mount 61.Described top tray 3 is added to press solidly by three mutually equally distributed matched moulds pressue devices with lower tray 2 determines, and described matched moulds pressue device is locked mutually by the locking device of a pair of symmetrical distribution; The bottom of described base 1 is provided with installs ring recess 64, is provided with mutually integrated installation dop 65 with it in described installation ring recess 64.
Embodiment 1: a kind of engineering tyre vulcanization process, operates according to the following steps:
(1), curing bag is installed:
Pressed on ring hoist cylinder 14 declines, by the upper rim of the mouth of curing bag 13 be clamped in upper chuck 9 and on make 10, mould chuck, the lower rim of the mouth of curing bag 13 is clamped in to lower chuck 66 and 12 of the moulds of ordering, green tyres is packed in fetus installation cavity 6;
(2), input sizing steam in curing bag:
By the interior pipe 32 of compressing into, toward curing bag 13 input sizing steam, and the throttle orifice in loop opens, and the aperture of throttle orifice is 8mm, forms circulation; The pressure of sizing steam is 1.0MPa, and the pressure of sizing steam is by direct-operated regulator phase control, and the time that sizing steam passes into is 8 minutes, and the temperature of sizing steam is 165 ℃;
(5), mould location:
By on make mould 11 be installed in making on mould chuck 10, utilize boom hoisting to lift to vulcanizer top tray 3, upper padding plate 57 and upper mold section 5, and downward matched moulds slowly, utilize the deadweight of whole patrix that green tyres is progressively depressed, matched moulds pressue device starts, and increases mold clamping force, accelerates matched moulds step order, protrude gradually in green tyres centre position, is full of whole fetus 6 chambeies are installed; Matched moulds process is by the process of the sizing gas in whole curing bag 13 and the 14 rodless cavity fluid compressions of pressed on ring hoist cylinder, when upper mold section 5 and female die 4 matched moulds approach, pin on pin-and-hole on upper mold section 5 and female die 4 is coordinated to the circumferential location that completes upper/lower die;
(6), carry out locked mode processing:
Upper mold section 5 and female die 4 carry out after matched moulds, and locking device moves, and locking cylinder 22 is stretched, and drive retainer 18 along the circumferential direction rotation under the positioning action of roller 51, make top tray 3 and retainer 18 overlapping up and down;
(5), carry out locked mode pressurized treatment:
(6), outer temperature steam input:
After locked mode supercharging completes, outer temperature steam inlet tube 29 is opened, the pressure of steam is 0.8MPa, temperature is 165 ℃, steam enters in vapor chamber 31, after the circulation of vapor chamber 31, enter to outer temperature steam and go out pipe 30, in outer temperature vapor recycle pipeline, be provided with pneumatic diaphragm control valve and measurement mechanism, temperature measuring equipment records after the numerical value of outer temperature steam, converting thereof into is the digital quantity signal of a 4mA, after PLC compares this signal and setting value, the signal of telecommunication of a 4mA of output is to electrical converter, electrical converter regulates the control air pressure of pneumatic diaphragm control valve accordingly according to the numerical value that obtains the signal of telecommunication, variation by air pressure changes the height of pneumatic diaphragm control valve, in outer warm pipeline, the flow of steam changes, realization is controlled the constant of temperature by the variation of real-time control steam flow,
(7), in curing bag, input pressurising water:
After locked mode supercharging completes, inside compress into pipe 32 and switched to pressurising water and entered by sizing steam, the pressure of pressurising water is 1.5MPa, temperature is 90 ℃, the time that pressurising water passes into is 3 minutes, further promotes the interior pressure pressure of curing bag 13, for a rear stepping superheated water is prepared;
(8), in curing bag, input superheated water, carry out vulcanizing treatment:
After pressurising water has been pressed the interior voltage rise of curing bag 13, inside compress into pipe 32 and by pressurising water, enter to switch to superheated water and enter, the pressure of superheated water is 2.5MPa, the temperature of superheated water is 200 ℃, and in push back pipe and 33 open, form circulation, sulfuration starts, and cure time is 80 minutes;
When cure time reached after the time of technique initialization, superheated water and outer temperature steam stop, interior pressure is decontroled and is opened, until the Pressure Drop in curing bag 13 is when setting value 0.5MPa, interior pressure is put and is stopped, the Recovery of the hot water that interior pressure is put recycles after superheated water master station processes, and this walks 2 minutes order used times.
Inside compress into pipe and 32 pass into cooling water, and chilled(cooling) water return (CWR) opens, form circulation, the pressure of cooling water is 0.5MPa;
The time that enters to curing bag 13 when cooling water is 8 minutes, and the temperature of green tyres is down to 80 ℃, now closes interior cooling water pressure;
After green tyres cooling, main arranging opened, by the water pressure release in curing bag 13 and in booster cavity 35 to return pipe, recycling, the power of taking by force of pressure release approaches zero-pressure state;
After main drained one-tenth, vacuumize, the vacuum vacuumizing is-0.3 atmospheric pressure, and the time vacuumizing is 2 minutes;
While vacuumizing, by sampling the pipeline from interior pressure and external pressure, carry out zero-voltage-switch detection, when pressure reaches safety value, by zero-voltage-switch inverse signal, to PLC, PLC sends die sinking signal, and signal can safe die sinking; If run into urgent situation, can starting switch, system can be carried out dump processing;
(9), carry out die sinking:
Locking cylinder 22 switches to contracting state by the state of stretching, and drives retainer 18 along circle direction rotation, makes base 1 and retainer 18 remove overlap condition;
Use boom hoisting, top tray 3, upper padding plate 57 and upper mold section 5 are steadily hung out from vulcanizer;
By on make mould 11 from above, make on mould chuck 10 hanging out;
Pressed on ring hoist cylinder 14 is stretched state, makes mould chuck 10, upper chuck 9 and gland 44 rise in drive, and pull out curing bag 13 from green tyres inner chamber in the upper rim of the mouth of stretching curing bag 13;
Lower ring hoist cylinder 15 is stretched state, drive wear-resistant sleeve 41, lower chuck 66 and order mould 11 risings, because being stuck in, the lower rim of the mouth of green tyres orders on mould 11, on the lower rim of the mouth of green tyres and position, lower sidewall, rise, from female die 4 decorative patterns, deviate from, lower ring hoist cylinder 15 carries out contracting state, restPoses;
Use snap fit, block the port part of walking of green tyres, slowly green tyres is hung out from lower mold half, hang out in process and will prevent that tire from significantly rocking.
Embodiment 2: a kind of engineering tyre vulcanization process, operates according to the following steps:
(1), curing bag is installed:
Pressed on ring hoist cylinder 14 declines, by the upper rim of the mouth of curing bag 13 be clamped in upper chuck 9 and on make 10, mould chuck, the lower rim of the mouth of curing bag 13 is clamped in to lower chuck 66 and 12 of the moulds of ordering, green tyres is packed in fetus installation cavity 6;
(2), input sizing steam in curing bag:
By the interior pipe 32 of compressing into, toward curing bag 13 input sizing steam, and the throttle orifice in loop opens, and the aperture of throttle orifice is 8mm, forms circulation; The pressure of sizing steam is 1.1MPa, and the pressure of sizing steam is by direct-operated regulator phase control, and the time that sizing steam passes into is 9 minutes, and the temperature of sizing steam is 170 ℃;
(7), mould location:
By on make mould 11 be installed in making on mould chuck 10, utilize boom hoisting to lift to vulcanizer top tray 3, upper padding plate 57 and upper mold section 5, and downward matched moulds slowly, utilize the deadweight of whole patrix that green tyres is progressively depressed, matched moulds pressue device starts, and increases mold clamping force, accelerates matched moulds step order, protrude gradually in green tyres centre position, is full of whole fetus 6 chambeies are installed; Matched moulds process is by the process of the sizing gas in whole curing bag 13 and the 14 rodless cavity fluid compressions of pressed on ring hoist cylinder, when upper mold section 5 and female die 4 matched moulds approach, pin on pin-and-hole on upper mold section 5 and female die 4 is coordinated to the circumferential location that completes upper/lower die;
(8), carry out locked mode processing:
Upper mold section 5 and female die 4 carry out after matched moulds, and locking device moves, and locking cylinder 22 is stretched, and drive retainer 18 along the circumferential direction rotation under the positioning action of roller 51, make top tray 3 and retainer 18 overlapping up and down;
(5), carry out locked mode pressurized treatment:
(6), outer temperature steam input:
After locked mode supercharging completes, outer temperature steam inlet tube 29 is opened, the pressure of steam is 0.9MPa, temperature is 170 ℃, steam enters in vapor chamber 31, after the circulation of vapor chamber 31, enter to outer temperature steam and go out pipe 30, in outer temperature vapor recycle pipeline, be provided with pneumatic diaphragm control valve and measurement mechanism, temperature measuring equipment records after the numerical value of outer temperature steam, converting thereof into is the digital quantity signal of a 10mA, after PLC compares this signal and setting value, the signal of telecommunication of a 10mA of output is to electrical converter, electrical converter regulates the control air pressure of pneumatic diaphragm control valve accordingly according to the numerical value that obtains the signal of telecommunication, variation by air pressure changes the height of pneumatic diaphragm control valve, in outer warm pipeline, the flow of steam changes, realization is controlled the constant of temperature by the variation of real-time control steam flow,
(7), in curing bag, input pressurising water:
After locked mode supercharging completes, inside compress into pipe 32 and switched to pressurising water and entered by sizing steam, the pressure of pressurising water is 1.7MPa, temperature is 95 ℃, the time that pressurising water passes into is 4 minutes, further promotes the interior pressure pressure of curing bag 13, for a rear stepping superheated water is prepared;
(8), in curing bag, input superheated water, carry out vulcanizing treatment:
After pressurising water has been pressed the interior voltage rise of curing bag 13, inside compress into pipe 32 and by pressurising water, enter to switch to superheated water and enter, the pressure of superheated water is 2.8MPa, the temperature of superheated water is 205 ℃, and in push back pipe and 33 open, form circulation, sulfuration starts, and cure time is 83 minutes;
When cure time reached after the time of technique initialization, superheated water and outer temperature steam stop, interior pressure is decontroled and is opened, until the Pressure Drop in curing bag 13 is when setting value 0.5MPa, interior pressure is put and is stopped, the Recovery of the hot water that interior pressure is put recycles after superheated water master station processes, and this walks 2.5 minutes order used times.
Inside compress into pipe and 32 pass into cooling water, and chilled(cooling) water return (CWR) opens, form circulation, the pressure of cooling water is 0.6MPa;
The time that enters to curing bag 13 when cooling water is 9 minutes, and the temperature of green tyres is down to 85 ℃, now closes interior cooling water pressure;
After green tyres cooling, main arranging opened, by the water pressure release in curing bag 13 and in booster cavity 35 to return pipe, recycling, the power of taking by force of pressure release approaches zero-pressure state;
After main drained one-tenth, vacuumize, the vacuum vacuumizing is 0.2 atmospheric pressure, and the time vacuumizing is 2.5 minutes;
While vacuumizing, by sampling the pipeline from interior pressure and external pressure, carry out zero-voltage-switch detection, when pressure reaches safety value, by zero-voltage-switch inverse signal, to PLC, PLC sends die sinking signal, and signal can safe die sinking; If run into urgent situation, can starting switch, system can be carried out dump processing;
(9), carry out die sinking:
Locking cylinder 22 switches to contracting state by the state of stretching, and drives retainer 18 along circle direction rotation, makes base 1 and retainer 18 remove overlap condition;
Use boom hoisting, top tray 3, upper padding plate 57 and upper mold section 5 are steadily hung out from vulcanizer;
By on make mould 11 from above, make on mould chuck 10 hanging out;
Pressed on ring hoist cylinder 14 is stretched state, makes mould chuck 10, upper chuck 9 and gland 44 rise in drive, and pull out curing bag 13 from green tyres inner chamber in the upper rim of the mouth of stretching curing bag 13;
Lower ring hoist cylinder 15 is stretched state, drive wear-resistant sleeve 41, lower chuck 66 and order mould 11 risings, because being stuck in, the lower rim of the mouth of green tyres orders on mould 11, on the lower rim of the mouth of green tyres and position, lower sidewall, rise, from female die 4 decorative patterns, deviate from, lower ring hoist cylinder 15 carries out contracting state, restPoses;
Use snap fit, block the port part of walking of green tyres, slowly green tyres is hung out from lower mold half, hang out in process and will prevent that tire from significantly rocking.
Embodiment 3: a kind of engineering tyre vulcanization process, operates according to the following steps:
(1), curing bag is installed:
Pressed on ring hoist cylinder 14 declines, by the upper rim of the mouth of curing bag 13 be clamped in upper chuck 9 and on make 10, mould chuck, the lower rim of the mouth of curing bag 13 is clamped in to lower chuck 66 and 12 of the moulds of ordering, green tyres is packed in fetus installation cavity 6;
(2), input sizing steam in curing bag:
By the interior pipe 32 of compressing into, toward curing bag 13 input sizing steam, and the throttle orifice in loop opens, and the aperture of throttle orifice is 8mm, forms circulation; The pressure of sizing steam is 1.2MPa, and the pressure of sizing steam is by direct-operated regulator phase control, and the time that sizing steam passes into is 10 minutes, and the temperature of sizing steam is 175 ℃;
(9), mould location:
By on make mould 11 be installed in making on mould chuck 10, utilize boom hoisting to lift to vulcanizer top tray 3, upper padding plate 57 and upper mold section 5, and downward matched moulds slowly, utilize the deadweight of whole patrix that green tyres is progressively depressed, matched moulds pressue device starts, and increases mold clamping force, accelerates matched moulds step order, protrude gradually in green tyres centre position, is full of whole fetus 6 chambeies are installed; Matched moulds process is by the process of the sizing gas in whole curing bag 13 and the 14 rodless cavity fluid compressions of pressed on ring hoist cylinder, when upper mold section 5 and female die 4 matched moulds approach, pin on pin-and-hole on upper mold section 5 and female die 4 is coordinated to the circumferential location that completes upper/lower die;
(10), carry out locked mode processing:
Upper mold section 5 and female die 4 carry out after matched moulds, and locking device moves, and locking cylinder 22 is stretched, and drive retainer 18 along the circumferential direction rotation under the positioning action of roller 51, make top tray 3 and retainer 18 overlapping up and down;
(5), carry out locked mode pressurized treatment:
(6), outer temperature steam input:
After locked mode supercharging completes, outer temperature steam inlet tube 29 is opened, the pressure of steam is 1.0MPa, temperature is 175 ℃, steam enters in vapor chamber 31, after the circulation of vapor chamber 31, enter to outer temperature steam and go out pipe 30, in outer temperature vapor recycle pipeline, be provided with pneumatic diaphragm control valve and measurement mechanism, temperature measuring equipment records after the numerical value of outer temperature steam, converting thereof into is the digital quantity signal of a 20mA, after PLC compares this signal and setting value, the signal of telecommunication of a 20mA of output is to electrical converter, electrical converter regulates the control air pressure of pneumatic diaphragm control valve accordingly according to the numerical value that obtains the signal of telecommunication, variation by air pressure changes the height of pneumatic diaphragm control valve, in outer warm pipeline, the flow of steam changes, realization is controlled the constant of temperature by the variation of real-time control steam flow,
(7), in curing bag, input pressurising water:
After locked mode supercharging completes, inside compress into pipe 32 and switched to pressurising water and entered by sizing steam, the pressure of pressurising water is 2.0MPa, temperature is 100 ℃, the time that pressurising water passes into is 5 minutes, further promotes the interior pressure pressure of curing bag 13, for a rear stepping superheated water is prepared;
(8), in curing bag, input superheated water, carry out vulcanizing treatment:
After pressurising water has been pressed the interior voltage rise of curing bag 13, inside compress into pipe 32 and by pressurising water, enter to switch to superheated water and enter, the pressure of superheated water is 3.0MPa, the temperature of superheated water is 210 ℃, and in push back pipe and 33 open, form circulation, sulfuration starts, and cure time is 85 minutes;
When cure time reached after the time of technique initialization, superheated water and outer temperature steam stop, interior pressure is decontroled and is opened, until the Pressure Drop in curing bag 13 is when setting value 0.5MPa, interior pressure is put and is stopped, the Recovery of the hot water that interior pressure is put recycles after superheated water master station processes, and this walks 3 minutes order used times.
Inside compress into pipe and 32 pass into cooling water, and chilled(cooling) water return (CWR) opens, form circulation, the pressure of cooling water is 0.7MPa;
The time that enters to curing bag 13 when cooling water is 10 minutes, and the temperature of green tyres is down to 90 ℃, now closes interior cooling water pressure;
After green tyres cooling, main arranging opened, by the water pressure release in curing bag 13 and in booster cavity 35 to return pipe, recycling, the power of taking by force of pressure release approaches zero-pressure state;
After main drained one-tenth, vacuumize, the vacuum vacuumizing is 0.5 atmospheric pressure, and the time vacuumizing is 3 minutes;
While vacuumizing, by sampling the pipeline from interior pressure and external pressure, carry out zero-voltage-switch detection, when pressure reaches safety value, by zero-voltage-switch inverse signal, to PLC, PLC sends die sinking signal, and signal can safe die sinking; If run into urgent situation, can starting switch, system can be carried out dump processing;
(9), carry out die sinking:
Locking cylinder 22 switches to contracting state by the state of stretching, and drives retainer 18 along circle direction rotation, makes base 1 and retainer 18 remove overlap condition;
Use boom hoisting, top tray 3, upper padding plate 57 and upper mold section 5 are steadily hung out from vulcanizer;
By on make mould 11 from above, make on mould chuck 10 hanging out;
Pressed on ring hoist cylinder 14 is stretched state, makes mould chuck 10, upper chuck 9 and gland 44 rise in drive, and pull out curing bag 13 from green tyres inner chamber in the upper rim of the mouth of stretching curing bag 13;
Lower ring hoist cylinder 15 is stretched state, drive wear-resistant sleeve 41, lower chuck 66 and order mould 11 risings, because being stuck in, the lower rim of the mouth of green tyres orders on mould 11, on the lower rim of the mouth of green tyres and position, lower sidewall, rise, from female die 4 decorative patterns, deviate from, lower ring hoist cylinder 15 carries out contracting state, restPoses;
Use snap fit, block the port part of walking of green tyres, slowly green tyres is hung out from lower mold half, hang out in process and will prevent that tire from significantly rocking.
1 to 3 of embodiment reaches technological effect: curability is good, and sulfuration does not have and defect, there will not be " sponge " phenomenon, and " sponge " phenomenon refers to not yet done the causing of sulfuration; There will not be " bubble " phenomenon, " bubble " phenomenon, refers to the air in each semi-products, after matched moulds, pressurization, sulfuration, does not drain completely; There will not be " starved " phenomenon, " starved " phenomenon refers to the air in each semi-products, after matched moulds, pressurization, sulfuration, does not drain completely; There will not be " overlap " phenomenon, " overlap " phenomenon refers to mold clamping force not or die deformation, has gap between upper/lower die, and sizing material overflows.
Claims (6)
1. engineering tyre sizing mono-die vulcanizer, it is characterized in that: comprise base (1), described base (1) is provided with lower tray (2), described lower tray (2) is provided with top tray with matching (3), between described top tray (3) and lower tray (2), be provided with mould frame mechanism, in described mould frame mechanism, be provided with capsule clamping mechanism, in described capsule clamping mechanism, pass through oil cylinder lifting phase control, described top tray (3) and lower tray (2) are added to press solidly by matched moulds pressue device determines, described matched moulds pressue device is locked mutually by locking device, described mould frame mechanism is provided with steam-return line mechanism outward, in described capsule clamping mechanism, be provided with and be attached thereto logical vulcanisation cycle mechanism, described base is provided with supercharging clamping mechanism in (1), described supercharging clamping mechanism promotes top tray (3) and rises with lower tray (2), described mould frame mechanism comprises female die (4) and upper mold section (5), described female die (4) and upper mold section (5) mutually engaging form fetus installation cavity (6), in described upper mold section (5), be provided with patrix capsule clamping breach (7), in described female die (4), be provided with counterdie capsule clamping breach (8), described capsule clamping mechanism comprises chuck (9), on make mould chuck (10), on make mould (11), lower chuck (66), order mould (12) and curing bag (13), on described, make mould (11) with on make mould chuck (10) fasten, on described, make mould (11) and patrix capsule clamping breach (7) touch mutually, described upper chuck (9) with on make mould chuck (10) fix, described lower chuck (66) and the mould of ordering (12) fix, the described mould of ordering (12) fastens with counterdie capsule clamping breach (8), the top of described curing bag (13) be located at chuck (9) and on make between mould chuck (10), the bottom of described curing bag (13) is located between the mould of ordering (12) and lower chuck (66), the shape of the shape of described curing bag (13) and fetus installation cavity (6) inwall is suitable, described oil cylinder lifting comprises pressed on ring hoist cylinder (14) and lower ring hoist cylinder (15), in described pressed on ring hoist cylinder (14), be provided with pressed on ring piston rod (16), described pressed on ring piston rod (16) passes lower chuck (66) and fixes with upper chuck (9), in described lower ring hoist cylinder (15), be provided with lower ring piston rod (17), (14 bottom connects and fixes with it described lower ring piston rod (17) with pressed on ring hoist cylinder, described lower ring piston rod (17) promotes pressed on ring hoist cylinder (14) and drives lower chuck (66) to carry out upper and lower displacement, described matched moulds pressue device comprises retainer (18), described top tray (3) is locked with base (1) by retainer (18) mutually with lower tray (2), the top of described retainer (18) is provided with rotating pintle hook lock (19), and described pintle hook lock (19) rotates by pintle hook lock cylinder (20) and locks mutually with top tray (3), described locking device comprises lock collar (21) and locking cylinder (22), described retainer (18) and pintle hook lock cylinder (20) are located in lock collar (21), one end of described locking cylinder (20) and base (1) fix, and the other end of described locking cylinder (20) and lock collar (21) fix, described steam-return line mechanism comprises that vapor chamber wall (27), lower vapor chamber wall (28), outer temperature steam inlet tube (29) and outer temperature steam go out pipe (30), described upper vapor chamber wall (27) covers on upper mold section (5), described lower vapor chamber wall (28) covers on female die (4), described upper vapor chamber wall (27) and lower vapor chamber wall (28) are connected and form vapor chamber (31), described outer temperature steam inlet tube (29) is connected with upper vapor chamber wall (27), and described outer temperature steam goes out the bottom that pipe (30) is located at lower vapor chamber wall (28), in described vulcanisation cycle mechanism comprises, compress into pipe (32) and push back pipe (33), compress into pipe (32) in described to extend to curing bag (13) by lower chuck (66), in being provided with in described lower chuck (66), push back pipe (33), described supercharging clamping mechanism comprises promotion frame (34), described promotion frame (34) is provided with in base (1), between the bottom of described promotion frame (34) and base (1), form booster cavity (35), in described base (1), be provided with power water pipe (36) and be connected with booster cavity (35).
2. a kind of engineering tyre sizing mono-die vulcanizer according to claim 1, it is characterized in that: described female die (4) is provided with the flange collar (37) fastening with upper mold section (5), the both sides of described flange collar (37) have embedded respectively sealing ring (38) and have sealed mutually with upper mold section (5), the top of described upper mold section (5) and top tray (3) fix, and described female die (4) is halved together with lower tray (2), the upper end of described curing bag (13) is provided with card convex head (39), described upper card convex head (9) be connected to chuck (9) and on make between mould chuck (10), the bottom of described curing bag (13) is provided with lower card convex head (40), described lower card convex head (40) is connected between the mould of ordering (12) and lower chuck (66), in described lower chuck (66), be provided with wear-resistant sleeve (41), described wear-resistant sleeve (41) socket-connects with pressed on ring piston rod (16), between the outer wall of described wear-resistant sleeve (41) and lower chuck (66), between the inwall of wear-resistant sleeve (41) and lower chuck (66), by wear-resistant sleeve sealing ring (42), seal mutually respectively, locate with upper chuck (9) mutually by clamp ring (43) at the top of described pressed on ring piston rod (16), the top of described pressed on ring piston rod (16) is covered with gland (44), described gland (44) fixes with upper chuck (9), described pressed on ring hoist cylinder (14) overcoat has draw-bar seat (45), described draw-bar seat (45) fixes with base (1), in described draw-bar seat (45), be provided with equally distributed pull bar (46), the tail end of described pull bar (46) and lower ring hoist cylinder (15) fix, in described draw-bar seat (45), be provided with regulating block (47), described regulating block (47) touches mutually with pressed on ring hoist cylinder (14), the inwall of described retainer (18) is provided with retainer draw-in groove (48), the below of described retainer draw-in groove (48) is provided with retainer latch segment (49), the outer wall of described base (1) is provided with locking slot (50), described retainer latch segment (49) is suitable with locking slot (50), the bottom of described retainer (18) is provided with roller (51), described roller (51) fits with the outer wall of base (1), the bottom edge of described top tray (3) is provided with mutually integrated top tray flange collar (52) with it, described top tray flange collar (52) and locking slot (50) phase shift butt, described outer temperature steam inlet tube (29) enters in upper mold section (5) through lower tray (2), outer temperature steam inlet tube (29) enters in female die (4) by upper mold section (5), outer temperature steam inlet tube (29) enters to vapor chamber (31) by female die (4), described outer temperature steam goes out pipe (30) locates with lower vapor chamber wall (28) mutually by pipe casting die (53), and described outer temperature steam goes out pipe (30) and extends base (1) through promoting frame (34), the bottom of described lower chuck (66) is provided with inlet pipe fixed bit (54), compresses into pipe (32) and inlet pipe fixed bit (54) bolt in described, and the top of described lower chuck (66) is provided with interior and compresses into the crimp head (55) that pipe (32) is connected, the two side ends of described promotion frame (34) seals by supercharging sealing ring (56) respectively mutually with base (1), the outer wall of described promotion frame (34) and the inwall of base (1) fit, and the top of described promotion frame (34) and the bottom of lower tray (2) fix.
3. a kind of engineering tyre sizing mono-die vulcanizer according to claim 1 and 2, it is characterized in that: between described top tray (3) and upper mold section (5), be provided with upper padding plate (57), described top tray (3), upper padding plate (27) are fastened by hanging mould screw (58) with upper mold section (5), between the bottom of described female die (4) and promotion frame (34), be provided with lower bolster (59), described upper padding plate (57) is respectively double-deck backing plate with lower bolster (59); Described upper chuck (9) and on make between mould chuck (10), by screw (60), fix between lower chuck (66) and the mould of ordering (12); Described roller (51) is located in roller mount (61), described roller mount (61) is located in roller butt frame (62), in described roller butt frame (62), be provided with roller butt bolt (63), described roller butt bolt (63) connects with the outer wall of roller mount (61), and described roller butt frame (62) fixes with retainer (18) respectively with roller mount (61).
4. a kind of engineering tyre sizing mono-die vulcanizer according to claim 1 and 2, it is characterized in that: described top tray (3) is added to press solidly by three mutually equally distributed matched moulds pressue devices with lower tray (2) determines, and described matched moulds pressue device is locked mutually by the locking device of a pair of symmetrical distribution; The bottom of described base (1) is provided with installs ring recess (64), is provided with mutually integrated installation dop (65) with it in described installation ring recess (64).
5. an engineering tyre vulcanization process, is characterized in that operating according to the following steps:
(1), curing bag is installed:
Pressed on ring hoist cylinder (14) declines, by the upper rim of the mouth of curing bag (13) be clamped in upper chuck (9) and on make between mould chuck (10), the lower rim of the mouth of curing bag (13) is clamped between lower chuck (66) and the mould of ordering (12), green tyres is packed in fetus installation cavity (6);
(2), input sizing steam in curing bag:
By the interior pipe (32) of compressing into, toward curing bag (13) input sizing steam, and the throttle orifice in loop opens, and the aperture of throttle orifice is 8mm, forms and circulates; The pressure of sizing steam is 1.0～1.2MPa, and the pressure of sizing steam is by direct-operated regulator phase control, and the time that sizing steam passes into is 8～10 minutes, and the temperature of sizing steam is 165～175 ℃;
(3), mould location:
By on make mould (11) be installed in making on mould chuck (10), utilize boom hoisting to lift to vulcanizer top tray (3), upper padding plate (57) and upper mold section (5), and downward matched moulds slowly, utilize the deadweight of whole patrix that green tyres is progressively depressed, matched moulds pressue device starts, and increases mold clamping force, accelerates matched moulds step order, protrude gradually in green tyres centre position, is full of whole fetus (6) chamber is installed; Matched moulds process is by the process of the sizing gas in whole curing bag (13) and the compression of pressed on ring hoist cylinder (14) rodless cavity fluid, when upper mold section (5) and female die (4) matched moulds approach, pin on pin-and-hole on upper mold section (5) and female die (4) is coordinated to the circumferential location that completes upper/lower die;
(4), carry out locked mode processing:
Upper mold section (5) and female die (4) carry out after matched moulds, and locking device moves, and locking cylinder (22) is stretched, and drive retainer (18) along the circumferential direction rotation under the positioning action of roller (51), make top tray (3) and retainer (18) overlapping up and down;
(5), carry out locked mode pressurized treatment:
Power water pipe (36) is opened, the pressure of power water is 2.5～3.0MPa, power water enters in booster cavity (35), under the promotion of power hydraulic pressure, promoting frame (34) moves on starting, drive lower tray (2), female die (4), upper mold section (5) and top tray (3) upwards to rise, then top tray (3) connects with retainer (18) simultaneously, and drives retainer (18) to rise, until cover in the gap between retainer (18) and base (1), locked mode supercharging completes;
(6), outer temperature steam input:
After locked mode supercharging completes, outer temperature steam inlet tube (29) is opened, the pressure of steam is 0.8～1.0MPa, temperature is 165～175 ℃, steam enters in vapor chamber (31), after the circulation of vapor chamber (31), enter to outer temperature steam and go out pipe (30), in outer temperature vapor recycle pipeline, be provided with pneumatic diaphragm control valve and measurement mechanism, temperature measuring equipment records after the numerical value of outer temperature steam, converting thereof into is the digital quantity signal of a 4～20mA, after PLC compares this signal and setting value, the signal of telecommunication of a 4～20mA of output is to electrical converter, electrical converter regulates the control air pressure of pneumatic diaphragm control valve accordingly according to the numerical value that obtains the signal of telecommunication, variation by air pressure changes the height of pneumatic diaphragm control valve, in outer warm pipeline, the flow of steam changes, realization is controlled the constant of temperature by the variation of real-time control steam flow,
(7), in curing bag, input pressurising water:
After locked mode supercharging completes, inside compressing into pipe (32) is switched to pressurising water and is entered by sizing steam, the pressure of pressurising water is 1.5～2.0MPa, temperature is 90～100 ℃, the time that pressurising water passes into is 3～5 minutes, further promote the interior pressure pressure of curing bag (13), for a rear stepping superheated water is prepared;
(8), in curing bag, input superheated water, carry out vulcanizing treatment:
After pressurising water has been pressed the interior voltage rise of curing bag (13), inside compressing into pipe (32) enters to switch to superheated water by pressurising water and enters, the pressure of superheated water is 2.5～3.0MPa, the temperature of superheated water is 200～210 ℃, and inside pushing back pipe (33) opens, form circulation, sulfuration starts, and cure time is 80～85 minutes;
When cure time reached after the time of technique initialization, superheated water and outer temperature steam stop, interior pressure is decontroled and is opened, until the Pressure Drop in curing bag (13) is when setting value 0.5MPa, interior pressure is put and is stopped, the Recovery of the hot water that interior pressure is put recycles after superheated water master station processes, and this walks 2～3 minutes order used times.
6. in, compress into pipe (32) and pass into cooling water, and chilled(cooling) water return (CWR) opens, form circulation, the pressure of cooling water is 0.5～0.7MPa;
The time that enters to curing bag (13) when cooling water is 8～10 minutes, and the temperature of green tyres is down to 80～90 ℃, now closes interior cooling water pressure;
After green tyres cooling, main arranging opened, by the water pressure release in curing bag (13) and in booster cavity (35) to return pipe, recycling, the power of taking by force of pressure release approaches zero-pressure state;
After main drained one-tenth, vacuumize, the vacuum vacuumizing is-0.3～0.5 atmospheric pressure, and the time vacuumizing is 2～3 minutes;
While vacuumizing, by sampling the pipeline from interior pressure and external pressure, carry out zero-voltage-switch detection, when pressure reaches safety value, by zero-voltage-switch inverse signal, to PLC, PLC sends die sinking signal, and signal can safe die sinking; If run into urgent situation, can starting switch, system can be carried out dump processing;
(9), carry out die sinking:
Locking cylinder (22) switches to contracting state by the state of stretching, and drives retainer (18) along circle direction rotation, makes base (1) and retainer (18) remove overlap condition;
Use boom hoisting, top tray (3), upper padding plate (57) and upper mold section (5) are steadily hung out from vulcanizer;
By on make mould (11) from above, make on mould chuck (10) hanging out;
Pressed on ring hoist cylinder (14) is stretched state, makes mould chuck (10), upper chuck (9) and gland (44) rise in drive, and pull out curing bag (13) from green tyres inner chamber in the upper rim of the mouth of stretching curing bag (13);
Lower ring hoist cylinder (15) is stretched state, drive wear-resistant sleeve (41), lower chuck (66) and the mould of ordering (11) to rise, because the lower rim of the mouth of green tyres is stuck on the mould of ordering (11), on the lower rim of the mouth of green tyres and position, lower sidewall, rise, from female die (4) decorative pattern, deviate from, lower ring hoist cylinder (15) carries out contracting state, restPoses;
Use snap fit, block the port part of walking of green tyres, slowly green tyres is hung out from lower mold half, hang out in process and will prevent that tire from significantly rocking.
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| CN201210241704.9A CN103538187B (en) | 2012-07-13 | 2012-07-13 | A kind of engineering tyre sizing mono-die vulcanizer and engineering tyre vulcanization process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260562A (en) * | 2014-10-01 | 2015-01-07 | 合肥海闻自动化设备有限公司 | Tire clamp for tire digital printer |
| CN105437428A (en) * | 2015-12-28 | 2016-03-30 | 常熟市浩然精工机械制造有限公司 | Pull rod shaft of tire vulcanizing machine |
| CN105479623A (en) * | 2015-12-25 | 2016-04-13 | 安徽迈吉尔模具有限公司 | Cavity-detachable tire mold |
| CN106182520A (en) * | 2016-08-31 | 2016-12-07 | 山东豪迈机械科技股份有限公司 | A kind of hot plate type giant embryo vulcanizing equipment |
| CN107116815A (en) * | 2017-07-13 | 2017-09-01 | 中车青岛四方车辆研究所有限公司 | Bellows vulcanize fetus shaping equipment and method for shaping |
| CN107901461A (en) * | 2017-12-21 | 2018-04-13 | 桂林橡胶机械有限公司 | Vulcanized tyre cooler and cooling means |
| CN109501338A (en) * | 2018-12-14 | 2019-03-22 | 山东汉正橡胶工业有限公司 | A kind of plumbing installation in tire production for vulcanization |
| CN112549377A (en) * | 2020-12-03 | 2021-03-26 | 芜湖集拓实心胎有限公司 | Heating and vulcanizing mold for solid tire |
| CN113815158A (en) * | 2021-09-27 | 2021-12-21 | 株洲时代瑞唯减振装备有限公司 | Large-curved-bag air spring air bag vulcanization mold and method |
| CN115256734A (en) * | 2022-09-28 | 2022-11-01 | 山东银宝轮胎集团有限公司 | Tire vulcanization heating device |
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| CN201872276U (en) * | 2010-11-15 | 2011-06-22 | 乐山市亚轮模具有限公司 | Capsule type segmented mold vulcanizing machine |
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| CN104260562B (en) * | 2014-10-01 | 2016-03-23 | 合肥海闻自动化设备有限公司 | A kind of tire fixture for tire digital printer |
| CN104260562A (en) * | 2014-10-01 | 2015-01-07 | 合肥海闻自动化设备有限公司 | Tire clamp for tire digital printer |
| CN105479623A (en) * | 2015-12-25 | 2016-04-13 | 安徽迈吉尔模具有限公司 | Cavity-detachable tire mold |
| CN105437428A (en) * | 2015-12-28 | 2016-03-30 | 常熟市浩然精工机械制造有限公司 | Pull rod shaft of tire vulcanizing machine |
| CN106182520B (en) * | 2016-08-31 | 2019-03-05 | 山东豪迈机械科技股份有限公司 | A kind of hot plate type giant embryo vulcanizing equipment |
| CN106182520A (en) * | 2016-08-31 | 2016-12-07 | 山东豪迈机械科技股份有限公司 | A kind of hot plate type giant embryo vulcanizing equipment |
| CN107116815A (en) * | 2017-07-13 | 2017-09-01 | 中车青岛四方车辆研究所有限公司 | Bellows vulcanize fetus shaping equipment and method for shaping |
| CN107901461A (en) * | 2017-12-21 | 2018-04-13 | 桂林橡胶机械有限公司 | Vulcanized tyre cooler and cooling means |
| CN107901461B (en) * | 2017-12-21 | 2024-02-13 | 桂林橡胶机械有限公司 | Vulcanized tire cooling machine and cooling method |
| CN109501338A (en) * | 2018-12-14 | 2019-03-22 | 山东汉正橡胶工业有限公司 | A kind of plumbing installation in tire production for vulcanization |
| CN112549377A (en) * | 2020-12-03 | 2021-03-26 | 芜湖集拓实心胎有限公司 | Heating and vulcanizing mold for solid tire |
| CN113815158A (en) * | 2021-09-27 | 2021-12-21 | 株洲时代瑞唯减振装备有限公司 | Large-curved-bag air spring air bag vulcanization mold and method |
| CN113815158B (en) * | 2021-09-27 | 2023-10-03 | 株洲时代瑞唯减振装备有限公司 | Air spring air bag vulcanization mold and method for Daqu bag |
| CN115256734A (en) * | 2022-09-28 | 2022-11-01 | 山东银宝轮胎集团有限公司 | Tire vulcanization heating device |
| CN115256734B (en) * | 2022-09-28 | 2022-11-29 | 山东银宝轮胎集团有限公司 | Tire vulcanization heating device |
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