CN103538187B - A kind of engineering tyre sizing mono-die vulcanizer and engineering tyre vulcanization process thereof - Google Patents
A kind of engineering tyre sizing mono-die vulcanizer and engineering tyre vulcanization process thereof Download PDFInfo
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- CN103538187B CN103538187B CN201210241704.9A CN201210241704A CN103538187B CN 103538187 B CN103538187 B CN 103538187B CN 201210241704 A CN201210241704 A CN 201210241704A CN 103538187 B CN103538187 B CN 103538187B
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Abstract
The present invention relates to a kind of sizing mono-die vulcanizer, particularly relate to a kind of engineering tyre sizing mono-die vulcanizer and engineering tyre vulcanization process thereof, be applicable to engineering tyre sulfuration.Base is provided with lower tray, lower tray is provided with top tray with matching, mould frame mechanism is provided with between top tray and lower tray, capsule clamping mechanism is provided with in mould frame mechanism, by oil cylinder lifting phase control in capsule clamping mechanism, top tray and lower tray are added to press solidly by matched moulds pressue device determines, matched moulds pressue device is locked mutually by locking device, steam-return line mechanism is provided with outside mould frame mechanism, be provided with in capsule clamping mechanism and be attached thereto logical vulcanisation cycle mechanism, supercharging clamping mechanism is provided with in base, supercharging clamping mechanism promotes top tray and lower tray rises.A kind of engineering tyre sizing mono-die vulcanizer and engineering tyre vulcanization process compact conformation thereof, simplify the operation, improving product stability, improves the quality of products.
Description
Technical field
The present invention relates to a kind of sizing mono-die vulcanizer, particularly relate 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, and troublesome poeration simultaneously, the poor stability of sulfuration, causes unstable product quality.
Chinese patent 200410039785.X, discloses a kind of tyre vulcanizer, carries out vulcanization forming, comprise crude tyre: accommodate crude tyre and the metal pattern of matched moulds, aforementioned metal mould is made up of upper metal pattern and lower metal pattern; Keep the chuck segment of crude tyre; Loader mechanism between aforementioned upper metal pattern crude tyre moved under die opening state by making aforementioned chuck portion move and aforementioned lower metal pattern, aforementioned loader mechanism can be seated on aforementioned metal mould; Be located at the aforementioned lower metal pattern side of aforementioned vulcanizer, with the central shaft of aforementioned lower metal pattern with the gomphosis part that configures of wick-like ground; To be located at the guide rod in aforementioned chuck portion with the mode of core with the crude tyre kept, aforementioned guide rod is when the crude tyre in aforementioned chuck portion is located action, and the leading section of aforementioned guide rod is chimeric with aforementioned gomphosis part.This structure relative complex, and operation is not easy, and the stability of sulfuration is simultaneously relatively low.
Summary of the invention
The present invention mainly solves the deficiencies in the prior art, provides a kind of compact conformation, simultaneously easy and simple to handle, greatly can 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, mould frame mechanism is provided with between described top tray and lower tray, capsule clamping mechanism is provided with in described mould frame mechanism, by oil cylinder lifting phase control in described capsule clamping mechanism, 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, steam-return line mechanism is provided with outside described mould frame mechanism, be provided with in described capsule clamping mechanism and be attached thereto logical vulcanisation cycle mechanism, supercharging clamping mechanism is provided with in described base, 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, patrix capsule clamping breach is provided with in described upper mold section, counterdie capsule clamping breach is provided with in described female die,
Described capsule clamping mechanism comprises chuck, on make mould chuck, on make mould, lower chuck, to order mould and curing bag, make on described mould and on make mould chuck fasten, make mould and patrix capsule clamp breach on described touch mutually, described upper chuck and on make mould chuck fix, described lower chuck and mould of ordering fix, described order mould and counterdie capsule clamp breach and fasten, 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 described curing bag and the shape of fetus installation cavity inwall suitable, described oil cylinder lifting comprises pressed on ring hoist cylinder and lower ring hoist cylinder, pressed on ring piston rod is provided with in described pressed on ring hoist cylinder, described pressed on ring piston rod passes lower chuck and fixes with upper chuck, lower ring piston rod is provided with in described lower ring hoist cylinder, described lower ring piston rod and the bottom of pressed on ring hoist cylinder abut against 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 is rotated 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 vapor chamber wall, lower vapor chamber wall, outer temperature steam inlet tube and outer temperature steam and goes 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 is connected with lower vapor chamber wall formation vapor chamber, 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, compress into pipe in described vulcanisation cycle mechanism comprises and push back pipe, compressing into pipe in described and extend to curing bag by lower chuck, in being provided with in described lower chuck, push back pipe, described supercharging clamping mechanism comprises pushing frame, and described pushing frame is provided with in base, forms booster cavity between the bottom of described pushing frame and base, 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 fastened with upper mold section, and the both sides of described flange collar are embedded with sealing ring respectively and seal 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, wear-resistant sleeve is provided with in described lower chuck, described wear-resistant sleeve and pressed on ring piston rod socket-connect, and seal mutually between the outer wall of described wear-resistant sleeve with lower chuck, between the inwall of wear-resistant sleeve and lower chuck respectively by wear-resistant sleeve sealing ring; The top of described pressed on ring piston rod is located mutually by clamp ring and upper chuck, 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 tail end and the lower ring hoist cylinder of described pull bar fix, be provided with regulating block in described draw-bar seat, 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 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 the top tray flange collar of integration mutually with it, and described top tray flange collar abuts with locking slot phase shift; 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 is gone out pipe and is located mutually by pipe casting die and lower vapor chamber wall, and described outer temperature steam goes out pipe and extends base through pushing 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 and is connected crimp head with interior pipe of compressing into; The two side ends of described pushing frame seals respectively by supercharging sealing ring mutually with base, and the outer wall of described pushing frame and the inwall of base fit, and the top of described pushing frame and the bottom of lower tray fix.
As preferably, upper padding plate is provided with between described top tray and upper mold section, described top tray, upper padding plate and upper mold section are fastened by hanging mould screw, and be provided with lower bolster between the bottom of described female die and pushing frame, described upper padding plate and lower bolster are respectively double-deck backing plate;
Described upper chuck and on make between mould chuck, lower chuck fixed by screw with intermode of ordering;
Described roller is located in roller mount, described roller mount is located at roller and abuts in frame, described roller abuts in frame and is provided with roller abutting bolt, and the outer wall that described roller abuts bolt and roller mount abuts against, and described roller abuts frame and roller mount fixes with retainer respectively.
As preferably, described top tray and lower tray are added by three mutually equally distributed matched moulds pressue devices and press solidly fixed, and described matched moulds pressue device is locked mutually by the locking device of a pair symmetrical distribution; The bottom of described base is provided with installation ring recess, is provided with the installation dop of integration mutually with it in described installation ring recess.
A kind of engineering tyre vulcanization process, operates according to the following steps:
(1), curing bag is installed:
Pressed on ring hoist cylinder declines, the upper rim of the mouth of curing bag is clamped in upper chuck and on make between mould chuck, the lower rim of the mouth of curing bag is clamped in lower chuck and orders intermode, green tyres is loaded in fetus installation cavity;
(2), input sizing steam in curing bag:
By interior pipe of compressing into toward curing bag input sizing steam, and the throttle orifice in loop is opened, and the aperture of throttle orifice is 8mm, forms circulation; 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 DEG C;
Route is provided with direct-operated regulator, ensures that the pressure of sizing steam has fluctuation up and down a little a setting value.
Throttle orifice is designed in the loop of corresponding vapour road and oil circuit, makes matched moulds process carry 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, boom hoisting top tray, upper padding plate and upper mold section is utilized to lift to vulcanizer, and downward matched moulds slowly, the deadweight of whole patrix is utilized green tyres progressively to be depressed, matched moulds pressue device starts, and increases mold clamping force, accelerates matched moulds step sequence, green tyres centre position is protruded gradually, is full of whole fetus installation cavity; Matched moulds process is the process by the sizing gas in whole curing bag and the compression of pressed on ring hoist cylinder rodless cavity fluid, when upper mold section and female die matched moulds close to time, the pin-and-hole on upper mold section and the pin on female die are coordinated, complete the circumference location of upper/lower die;
(4), locked mode process is carried out:
After upper mold section and female die carry out matched moulds, locking device carries out action, and locking cylinder is stretched, and drives retainer along the circumferential direction to rotate under the positioning action of roller, makes top tray and retainer overlapping up and down;
(5), locked mode pressurized treatment is carried out:
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, pushing frame is moved on starting, drive lower tray, female die, upper mold section and top tray upwards to rise, then top tray and retainer abut against, and drive retainer to rise simultaneously, till gap between retainer and base is covered, 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 DEG C, steam enters in vapor chamber, after the circulation of vapor chamber, enter to outer temperature steam go out pipe, pneumatic diaphragm control valve and measurement mechanism is provided with in outer temperature vapor recycle pipeline, after temperature measuring equipment records the numerical value of outer temperature steam, converting thereof into is the digital quantity signal of a 4 ~ 20mA, after this signal and setting value compare by PLC, export the signal of telecommunication of a 4 ~ 20mA to electrical converter, electrical converter regulates accordingly according to the control air pressure of numerical value to pneumatic diaphragm control valve obtaining the signal of telecommunication, by the change of air pressure, the height of pneumatic diaphragm control valve is changed, namely in outer warm pipeline, the flow of steam changes, realize carrying out the constant of control temperature by the change controlling steam flow in real time,
(7), in curing bag, pressurising water is inputted:
After locked mode supercharging completes, inside compress into pipe and switch to pressurising water by steam of shaping and enter, the pressure of pressurising water is 1.5 ~ 2.0MPa, temperature is 90 ~ 100 DEG C, the time that pressurising water passes into is 3 ~ 5 minutes, promotes the internal pressure of curing bag further, for a rear stepping superheated water is prepared;
(8), in curing bag input superheated water, carry out vulcanizing treatment:
Pressurising water is to after in curing bag, voltage rise pressure completes, and inside compress into pipe and enter to switch to superheated water by pressurising water and enter, the pressure of superheated water is 2.5 ~ 3.0MPa, the temperature of superheated water is 200 ~ 210 DEG C, and in push back pipe and open, form circulation, sulfuration starts, and cure time is 80 ~ 85 minutes;
After the time reaching technique initialization when cured, superheated water and outer temperature steam stop, interior pressure is decontroled and is opened, until when the Pressure Drop in curing bag is to setting value 0.5MPa, stopping is put in interior pressure, the Recovery of the hot water that interior pressure is put uses to superheated water master station process Posterior circle, 2 ~ 3 minutes this step sequence used times.
Inside compress into pipe and pass into cooling water, and chilled(cooling) water return (CWR) is opened, form circulation, the pressure of cooling water is 0.5 ~ 0.7MPa;
Cooling water pressure and temperature are all not high, due to the profile height of engineering tyre and diameter of tyres all very large, natural cooling water needs long time, its objective is that the tire cool sulfuration completed is to suitable temperature, is convenient to the operations after die sinking and conveniently carries out.
The time entering to curing bag when cooling water is 8 ~ 10 minutes, and the temperature of green tyres is down to 80 ~ 90 DEG C, cooling water pressure in now closing;
Now because the glassware for drinking water in curing bag has higher pressure, thus water major part automatic-discharging and recycling wherein.
After the cooling of green tyres, main arranging is opened, by the water pressure release in curing bag and in booster cavity in return pipe, recycling, pressure release take power by force close to zero-pressure state;
After main drained one-tenth, vacuumize, the vacuum vacuumized is-0.3 ~ 0.5 atmospheric pressure, and the time vacuumized is 2 ~ 3 minutes;
When vacuumizing, carry out zero-voltage-switch detection, when pressure reaches safety value, zero-voltage-switch inverse signal is sent die sinking signal to PLC, PLC by sampling in the pipeline from interior pressure and external pressure, signal can safe die sinking; If run into urgent situation, can starting switch, system can carry out dump process;
The object vacuumized is the steam of not going out in the water and external pressure steam pipeline do not drained completely after main row curing bag inside, condensed water mixture is extracted out, when starting to avoid next cylinder tyre vulcanization step sequence, wherein remaining cold water is on the impact of inside and outside Wen Wendu, vacuumize general vavuum pump or the power water jet device of adopting to realize, the former is that driven by motor pump rotates and forms negative pressure; The latter is by the power water of certain pressure by the gradually little injection valve of a bore, forms that the principle of negative pressure realizes at the larger caliber end of valve.
(9), die sinking is carried out:
Locking cylinder switches to contracting state by the state of stretching, and drives retainer to rotate along circle direction, 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 make on mould chuck from above hanging out;
Pressed on ring hoist cylinder carries out stretching state, and drive makes mould chuck, upper chuck and gland rise, the upper rim of the mouth of stretching curing bag, pulls out curing bag from green tyres inner chamber;
Lower ring hoist cylinder carries out stretching state, and drive wear-resistant sleeve, lower chuck and mould rising of ordering, the lower rim of the mouth due to green tyres is stuck in orders on mould, the lower rim of the mouth of green tyres and position, lower sidewall rise, deviate from from female die decorative pattern, lower ring hoist cylinder carries out contracting state, restPoses;
Use snap fit, that blocks green tyres walks port part, green tyres is hung out from lower mold half slowly, hangs out in process and will prevent tire from significantly rocking.
Pressurising water refers to: temperature is 100 DEG C, and pressure is the press water of about 2MPa.
Superheated water refers to: refer to that water reaches boiling point (100 DEG C) but because lack bubble in water, or other reason (modal reason is pressurizeed exactly), also maintains liquid state, do not have the water seethed with excitement more than 100 DEG C.
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.
Detailed description of the invention
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, mould frame mechanism is provided with between described top tray 3 and lower tray 2, capsule clamping mechanism is provided with in described mould frame mechanism, by oil cylinder lifting phase control in described capsule clamping mechanism, 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, steam-return line mechanism is provided with outside described mould frame mechanism, be provided with in described capsule clamping mechanism and be attached thereto logical vulcanisation cycle mechanism, supercharging clamping mechanism is provided with in described base 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, patrix capsule clamping breach 7 is provided with in described upper mold section 5, counterdie capsule clamping breach 8 is provided with in described female die 4, described capsule clamping mechanism comprises chuck 9, on make mould chuck 10, on make mould 11, lower chuck 66, to order mould 12 and curing bag 13, make on described mould 11 with on make mould chuck 10 fasten, make mould 11 and patrix capsule clamp breach 7 on described touch mutually, described upper chuck 9 with on make mould chuck 10 fix, described lower chuck 66 and mould 12 of ordering fix, described mould 12 of ordering clamps breach 8 with counterdie capsule and fastens, 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 at orders between mould 12 and lower chuck 66, the shape of described curing bag 13 and the shape of fetus installation cavity 6 inwall suitable, described oil cylinder lifting comprises pressed on ring hoist cylinder 14 and lower ring hoist cylinder 15, pressed on ring piston rod 16 is provided with in described pressed on ring hoist cylinder 14, described pressed on ring piston rod 16 passes lower chuck 66 and fixes with upper chuck 9, lower ring piston rod 17 is provided with in described lower ring hoist cylinder 15, described lower ring piston rod 17 abuts against with the bottom of pressed on ring hoist cylinder 14 and fixes with it, 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 is rotated by pintle hook lock cylinder 20 and locks with top tray 3 phase, 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 vapor chamber wall 27, lower vapor chamber wall 28, outer temperature steam inlet tube 29 and outer temperature steam and goes 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 is connected with lower vapor chamber wall 28 and forms 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, compress into pipe 32 in described vulcanisation cycle mechanism comprises 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 pushing frame 34, and described pushing frame 34 is provided with in base 1, forms booster cavity 35 between the bottom of described pushing frame 34 and base 1, is provided with power water pipe 36 and is connected with booster cavity 35 in described base 1.Described female die 4 is provided with the flange collar 37 fastened with upper mold section 5, the both sides of described flange collar 37 are embedded with sealing ring 38 respectively and seal with upper mold section 5 phase, 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 between mould chuck 10, the bottom of described curing bag 13 is provided with lower card convex 40, described lower card convex 40 is connected to orders between mould 12 and lower chuck 66, wear-resistant sleeve 41 is provided with in described lower chuck 66, described wear-resistant sleeve 41 and pressed on ring piston rod 16 socket-connect, and seal between the outer wall of described wear-resistant sleeve 41 with lower chuck 66, between the inwall of wear-resistant sleeve 41 and lower chuck 66 respectively by wear-resistant sleeve sealing ring 42 phase; The top of described pressed on ring piston rod 16 is located with upper chuck 9 phase by clamp ring 43, 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, equally distributed pull bar 46 is provided with in described draw-bar seat 45, tail end and the lower ring hoist cylinder 15 of described pull bar 46 fix, be provided with regulating block 47 in described draw-bar seat 45, 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 the top tray flange collar 52 of integration mutually with it, and described top tray flange collar 52 abuts with locking slot 50 phase shift; 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 is gone out pipe 30 and is located by pipe casting die 53 and lower vapor chamber wall 28 phase, and described outer temperature steam goes out pipe 30 and extends base 1 through pushing 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 and is connected crimp head 55 with interior pipe 32 of compressing into; The two side ends of described pushing frame 34 seals respectively by supercharging sealing ring 56 phase with base 1, and the outer wall of described pushing frame 34 and the inwall of base 1 fit, and the top of described pushing frame 34 and the bottom of lower tray 2 fix.Upper padding plate 57 is provided with between described top tray 3 and upper mold section 5, described top tray 3, upper padding plate 27 are fastened by hanging mould screw 58 with upper mold section 5, be provided with lower bolster 59 between the bottom of described female die 4 and pushing frame 34, 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, lower chuck 66 and order to be fixed by screw 60 between mould 12; Described roller 51 is located in roller mount 61, described roller mount 61 is located at roller and abuts in frame 62, described roller abuts in frame 62 and is provided with roller abutting bolt 63, described roller abuts bolt 63 and abuts against with the outer wall of roller mount 61, and described roller abuts frame 62 and fixes with retainer 18 respectively with roller mount 61.Described top tray 3 and lower tray 2 are added to press solidly by three mutually equally distributed matched moulds pressue devices determines, and described matched moulds pressue device is locked mutually by the locking device of a pair symmetrical distribution; The bottom of described base 1 is provided with installs ring recess 64, is provided with the installation dop 65 of integration mutually 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, the upper rim of the mouth of curing bag 13 is clamped in upper chuck 9 and on make between mould chuck 10, the lower rim of the mouth of curing bag 13 be clamped in lower chuck 66 and order between mould 12, green tyres being loaded in fetus installation cavity 6;
(2), input sizing steam in curing bag:
Input sizing steam by interior pipe 32 of compressing into toward curing bag 13, and the throttle orifice in loop is opened, 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 DEG C;
(3), mould location:
By on make mould 11 be installed in making on mould chuck 10, boom hoisting top tray 3, upper padding plate 57 and upper mold section 5 is utilized to lift to vulcanizer, and downward matched moulds slowly, the deadweight of whole patrix is utilized green tyres progressively to be depressed, matched moulds pressue device starts, and increases mold clamping force, accelerates matched moulds step sequence, green tyres centre position is protruded gradually, is full of whole fetus installation cavity 6; Matched moulds process is the process by 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 close to time, pin on pin-and-hole on upper mold section 5 and female die 4 is coordinated, completes the circumference location of upper/lower die;
(4), locked mode process is carried out:
After upper mold section 5 and female die 4 carry out matched moulds, locking device carries out action, and locking cylinder 22 is stretched, and drives retainer 18 along the circumferential direction to rotate under the positioning action of roller 51, makes top tray 3 and retainer about 18 overlap;
(5), locked mode pressurized treatment is carried out:
Power water pipe 36 is opened, the pressure of power water is 2.5MPa, power water enters in booster cavity 35, under the promotion of power hydraulic pressure, pushing frame 34 is moved on starting, drive lower tray 2, female die 4, upper mold section 5 and top tray 3 upwards to rise, then top tray 3 and retainer 18 abut against, and drive retainer 18 to rise simultaneously, till gap between retainer 18 and base 1 is covered, 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 0.8MPa, temperature is 165 DEG C, steam enters in vapor chamber 31, after the circulation of vapor chamber 31, enter to outer temperature steam go out pipe 30, pneumatic diaphragm control valve and measurement mechanism is provided with in outer temperature vapor recycle pipeline, after temperature measuring equipment records the numerical value of outer temperature steam, converting thereof into is the digital quantity signal of a 4mA, after this signal and setting value compare by PLC, export the signal of telecommunication of a 4mA to electrical converter, electrical converter regulates accordingly according to the control air pressure of numerical value to pneumatic diaphragm control valve obtaining the signal of telecommunication, by the change of air pressure, the height of pneumatic diaphragm control valve is changed, namely in outer warm pipeline, the flow of steam changes, realize carrying out the constant of control temperature by the change controlling steam flow in real time,
(7), in curing bag, pressurising water is inputted:
After locked mode supercharging completes, inside compress into pipe 32 and switched to pressurising water entered by sizing steam, the pressure of pressurising water is 1.5MPa, temperature is 90 DEG C, the time that pressurising water passes into is 3 minutes, promotes the internal pressure of curing bag 13 further, for a rear stepping superheated water is prepared;
(8), in curing bag input superheated water, carry out vulcanizing treatment:
Pressurising water is to after in curing bag 13, voltage rise pressure completes, and inside compress into pipe 32 and enter to switch to superheated water by pressurising water and enter, the pressure of superheated water is 2.5MPa, the temperature of superheated water is 200 DEG C, and in push back pipe 33 and open, form circulation, sulfuration starts, and cure time is 80 minutes;
After the time reaching technique initialization when cured, superheated water and outer temperature steam stop, interior pressure is decontroled and is opened, until when the Pressure Drop in curing bag 13 is to setting value 0.5MPa, stopping is put in interior pressure, the Recovery of the hot water that interior pressure is put uses to superheated water master station process Posterior circle, 2 minutes this step sequence used times;
Inside compress into pipe 32 and pass into cooling water, and chilled(cooling) water return (CWR) is opened, form circulation, the pressure of cooling water is 0.5MPa;
The time entering to curing bag 13 when cooling water is 8 minutes, and the temperature of green tyres is down to 80 DEG C, cooling water pressure in now closing;
After the cooling of green tyres, main arranging is opened, by the water pressure release in curing bag 13 and in booster cavity 35 in return pipe, recycling, pressure release take power by force close to zero-pressure state;
After main drained one-tenth, vacuumize, the vacuum vacuumized is-0.3 atmospheric pressure, and the time vacuumized is 2 minutes;
When vacuumizing, carry out zero-voltage-switch detection, when pressure reaches safety value, zero-voltage-switch inverse signal is sent die sinking signal to PLC, PLC by sampling in the pipeline from interior pressure and external pressure, signal can safe die sinking; If run into urgent situation, can starting switch, system can carry out dump process;
(9), die sinking is carried out:
Locking cylinder 22 switches to contracting state by the state of stretching, and drives retainer 18 to rotate along circle direction, 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 make on mould chuck 10 from above hanging out;
Pressed on ring hoist cylinder 14 carries out stretching state, and drive makes mould chuck 10, upper chuck 9 and gland 44 rise, the upper rim of the mouth of stretching curing bag 13, pulls out curing bag 13 from green tyres inner chamber;
Lower ring hoist cylinder 15 carries out stretching state, wear-resistant sleeve 41, lower chuck 66 and mould 11 of ordering is driven to rise, lower rim of the mouth due to green tyres is stuck in orders on mould 11, the lower rim of the mouth of green tyres and position, lower sidewall rise, deviate from from female die 4 decorative pattern, lower ring hoist cylinder 15 carries out contracting state, restPoses;
Use snap fit, that blocks green tyres walks port part, green tyres is hung out from lower mold half slowly, hangs out in process and will prevent 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, the upper rim of the mouth of curing bag 13 is clamped in upper chuck 9 and on make between mould chuck 10, the lower rim of the mouth of curing bag 13 be clamped in lower chuck 66 and order between mould 12, green tyres being loaded in fetus installation cavity 6;
(2), input sizing steam in curing bag:
Input sizing steam by interior pipe 32 of compressing into toward curing bag 13, and the throttle orifice in loop is opened, 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 DEG C;
(3), mould location:
By on make mould 11 be installed in making on mould chuck 10, boom hoisting top tray 3, upper padding plate 57 and upper mold section 5 is utilized to lift to vulcanizer, and downward matched moulds slowly, the deadweight of whole patrix is utilized green tyres progressively to be depressed, matched moulds pressue device starts, and increases mold clamping force, accelerates matched moulds step sequence, green tyres centre position is protruded gradually, is full of whole fetus installation cavity 6; Matched moulds process is the process by 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 close to time, pin on pin-and-hole on upper mold section 5 and female die 4 is coordinated, completes the circumference location of upper/lower die;
(4), locked mode process is carried out:
After upper mold section 5 and female die 4 carry out matched moulds, locking device carries out action, and locking cylinder 22 is stretched, and drives retainer 18 along the circumferential direction to rotate under the positioning action of roller 51, makes top tray 3 and retainer about 18 overlap;
(5), locked mode pressurized treatment is carried out:
Power water pipe 36 is opened, the pressure of power water is 2.8MPa, power water enters in booster cavity 35, under the promotion of power hydraulic pressure, pushing frame 34 is moved on starting, drive lower tray 2, female die 4, upper mold section 5 and top tray 3 upwards to rise, then top tray 3 and retainer 18 abut against, and drive retainer 18 to rise simultaneously, till gap between retainer 18 and base 1 is covered, 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 0.9MPa, temperature is 170 DEG C, steam enters in vapor chamber 31, after the circulation of vapor chamber 31, enter to outer temperature steam go out pipe 30, pneumatic diaphragm control valve and measurement mechanism is provided with in outer temperature vapor recycle pipeline, after temperature measuring equipment records the numerical value of outer temperature steam, converting thereof into is the digital quantity signal of a 10mA, after this signal and setting value compare by PLC, export the signal of telecommunication of a 10mA to electrical converter, electrical converter regulates accordingly according to the control air pressure of numerical value to pneumatic diaphragm control valve obtaining the signal of telecommunication, by the change of air pressure, the height of pneumatic diaphragm control valve is changed, namely in outer warm pipeline, the flow of steam changes, realize carrying out the constant of control temperature by the change controlling steam flow in real time,
(7), in curing bag, pressurising water is inputted:
After locked mode supercharging completes, inside compress into pipe 32 and switched to pressurising water entered by sizing steam, the pressure of pressurising water is 1.7MPa, temperature is 95 DEG C, the time that pressurising water passes into is 4 minutes, promotes the internal pressure of curing bag 13 further, for a rear stepping superheated water is prepared;
(8), in curing bag input superheated water, carry out vulcanizing treatment:
Pressurising water is to after in curing bag 13, voltage rise pressure completes, and inside compress into pipe 32 and enter to switch to superheated water by pressurising water and enter, the pressure of superheated water is 2.8MPa, the temperature of superheated water is 205 DEG C, and in push back pipe 33 and open, form circulation, sulfuration starts, and cure time is 83 minutes;
After the time reaching technique initialization when cured, superheated water and outer temperature steam stop, interior pressure is decontroled and is opened, until when the Pressure Drop in curing bag 13 is to setting value 0.5MPa, stopping is put in interior pressure, the Recovery of the hot water that interior pressure is put uses to superheated water master station process Posterior circle, 2.5 minutes this step sequence used times;
Inside compress into pipe 32 and pass into cooling water, and chilled(cooling) water return (CWR) is opened, form circulation, the pressure of cooling water is 0.6MPa;
The time entering to curing bag 13 when cooling water is 9 minutes, and the temperature of green tyres is down to 85 DEG C, cooling water pressure in now closing;
After the cooling of green tyres, main arranging is opened, by the water pressure release in curing bag 13 and in booster cavity 35 in return pipe, recycling, pressure release take power by force close to zero-pressure state;
After main drained one-tenth, vacuumize, the vacuum vacuumized is 0.2 atmospheric pressure, and the time vacuumized is 2.5 minutes;
When vacuumizing, carry out zero-voltage-switch detection, when pressure reaches safety value, zero-voltage-switch inverse signal is sent die sinking signal to PLC, PLC by sampling in the pipeline from interior pressure and external pressure, signal can safe die sinking; If run into urgent situation, can starting switch, system can carry out dump process;
(9), die sinking is carried out:
Locking cylinder 22 switches to contracting state by the state of stretching, and drives retainer 18 to rotate along circle direction, 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 make on mould chuck 10 from above hanging out;
Pressed on ring hoist cylinder 14 carries out stretching state, and drive makes mould chuck 10, upper chuck 9 and gland 44 rise, the upper rim of the mouth of stretching curing bag 13, pulls out curing bag 13 from green tyres inner chamber;
Lower ring hoist cylinder 15 carries out stretching state, wear-resistant sleeve 41, lower chuck 66 and mould 11 of ordering is driven to rise, lower rim of the mouth due to green tyres is stuck in orders on mould 11, the lower rim of the mouth of green tyres and position, lower sidewall rise, deviate from from female die 4 decorative pattern, lower ring hoist cylinder 15 carries out contracting state, restPoses;
Use snap fit, that blocks green tyres walks port part, green tyres is hung out from lower mold half slowly, hangs out in process and will prevent 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, the upper rim of the mouth of curing bag 13 is clamped in upper chuck 9 and on make between mould chuck 10, the lower rim of the mouth of curing bag 13 be clamped in lower chuck 66 and order between mould 12, green tyres being loaded in fetus installation cavity 6;
(2), input sizing steam in curing bag:
Input sizing steam by interior pipe 32 of compressing into toward curing bag 13, and the throttle orifice in loop is opened, 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 DEG C;
(3), mould location:
By on make mould 11 be installed in making on mould chuck 10, boom hoisting top tray 3, upper padding plate 57 and upper mold section 5 is utilized to lift to vulcanizer, and downward matched moulds slowly, the deadweight of whole patrix is utilized green tyres progressively to be depressed, matched moulds pressue device starts, and increases mold clamping force, accelerates matched moulds step sequence, green tyres centre position is protruded gradually, is full of whole fetus installation cavity 6; Matched moulds process is the process by 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 close to time, pin on pin-and-hole on upper mold section 5 and female die 4 is coordinated, completes the circumference location of upper/lower die;
(4), locked mode process is carried out:
After upper mold section 5 and female die 4 carry out matched moulds, locking device carries out action, and locking cylinder 22 is stretched, and drives retainer 18 along the circumferential direction to rotate under the positioning action of roller 51, makes top tray 3 and retainer about 18 overlap;
(5), locked mode pressurized treatment is carried out:
Power water pipe 36 is opened, the pressure of power water is 3.0MPa, power water enters in booster cavity 35, under the promotion of power hydraulic pressure, pushing frame 34 is moved on starting, drive lower tray 2, female die 4, upper mold section 5 and top tray 3 upwards to rise, then top tray 3 and retainer 18 abut against, and drive retainer 18 to rise simultaneously, till gap between retainer 18 and base 1 is covered, 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 1.0MPa, temperature is 175 DEG C, steam enters in vapor chamber 31, after the circulation of vapor chamber 31, enter to outer temperature steam go out pipe 30, pneumatic diaphragm control valve and measurement mechanism is provided with in outer temperature vapor recycle pipeline, after temperature measuring equipment records the numerical value of outer temperature steam, converting thereof into is the digital quantity signal of a 20mA, after this signal and setting value compare by PLC, export the signal of telecommunication of a 20mA to electrical converter, electrical converter regulates accordingly according to the control air pressure of numerical value to pneumatic diaphragm control valve obtaining the signal of telecommunication, by the change of air pressure, the height of pneumatic diaphragm control valve is changed, namely in outer warm pipeline, the flow of steam changes, realize carrying out the constant of control temperature by the change controlling steam flow in real time,
(7), in curing bag, pressurising water is inputted:
After locked mode supercharging completes, inside compress into pipe 32 and switched to pressurising water entered by sizing steam, the pressure of pressurising water is 2.0MPa, temperature is 100 DEG C, the time that pressurising water passes into is 5 minutes, promotes the internal pressure of curing bag 13 further, for a rear stepping superheated water is prepared;
(8), in curing bag input superheated water, carry out vulcanizing treatment:
Pressurising water is to after in curing bag 13, voltage rise pressure completes, and inside compress into pipe 32 and enter to switch to superheated water by pressurising water and enter, the pressure of superheated water is 3.0MPa, the temperature of superheated water is 210 DEG C, and in push back pipe 33 and open, form circulation, sulfuration starts, and cure time is 85 minutes;
After the time reaching technique initialization when cured, superheated water and outer temperature steam stop, interior pressure is decontroled and is opened, until when the Pressure Drop in curing bag 13 is to setting value 0.5MPa, stopping is put in interior pressure, the Recovery of the hot water that interior pressure is put uses to superheated water master station process Posterior circle, 3 minutes this step sequence used times;
Inside compress into pipe 32 and pass into cooling water, and chilled(cooling) water return (CWR) is opened, form circulation, the pressure of cooling water is 0.7MPa;
The time entering to curing bag 13 when cooling water is 10 minutes, and the temperature of green tyres is down to 90 DEG C, cooling water pressure in now closing;
After the cooling of green tyres, main arranging is opened, by the water pressure release in curing bag 13 and in booster cavity 35 in return pipe, recycling, pressure release take power by force close to zero-pressure state;
After main drained one-tenth, vacuumize, the vacuum vacuumized is 0.5 atmospheric pressure, and the time vacuumized is 3 minutes;
When vacuumizing, carry out zero-voltage-switch detection, when pressure reaches safety value, zero-voltage-switch inverse signal is sent die sinking signal to PLC, PLC by sampling in the pipeline from interior pressure and external pressure, signal can safe die sinking; If run into urgent situation, can starting switch, system can carry out dump process;
(9), die sinking is carried out:
Locking cylinder 22 switches to contracting state by the state of stretching, and drives retainer 18 to rotate along circle direction, 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 make on mould chuck 10 from above hanging out;
Pressed on ring hoist cylinder 14 carries out stretching state, and drive makes mould chuck 10, upper chuck 9 and gland 44 rise, the upper rim of the mouth of stretching curing bag 13, pulls out curing bag 13 from green tyres inner chamber;
Lower ring hoist cylinder 15 carries out stretching state, wear-resistant sleeve 41, lower chuck 66 and mould 11 of ordering is driven to rise, lower rim of the mouth due to green tyres is stuck in orders on mould 11, the lower rim of the mouth of green tyres and position, lower sidewall rise, deviate from from female die 4 decorative pattern, lower ring hoist cylinder 15 carries out contracting state, restPoses;
Use snap fit, that blocks green tyres walks port part, green tyres is hung out from lower mold half slowly, hangs out in process and will prevent tire from significantly rocking.
Embodiment 1 to 3 reaches technological effect: curability is good, and sulfuration does not have and defect, and there will not be " sponge " phenomenon, " sponge " phenomenon refers to that sulfuration is not yet done and causes; There will not be " bubble " phenomenon, " bubble " phenomenon, refers to the air in each semi-products, does not drain completely after matched moulds, pressurization, sulfuration; There will not be " starved " phenomenon, " starved " phenomenon refers to the air in each semi-products, does not drain completely after matched moulds, pressurization, sulfuration; There will not be " overlap " phenomenon, " overlap " phenomenon refers to that mold clamping force not or die deformation, and have gap between upper/lower die, sizing material overflows.
Claims (5)
1. an 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), mould frame mechanism is provided with between described top tray (3) and lower tray (2), capsule clamping mechanism is provided with in described mould frame mechanism, by oil cylinder lifting phase control in described capsule clamping mechanism, 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, steam-return line mechanism is provided with outside described mould frame mechanism, be provided with in described capsule clamping mechanism and be attached thereto logical vulcanisation cycle mechanism, supercharging clamping mechanism is provided with in described base (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), patrix capsule clamping breach (7) is provided with in described upper mold section (5), counterdie capsule clamping breach (8) is provided with in described female die (4), described capsule clamping mechanism comprises chuck (9), on make mould chuck (10), on make mould (11), lower chuck (66), to order mould (12) and curing bag (13), make on described mould (11) with on make mould chuck (10) fasten, make mould (11) and patrix capsule clamp breach (7) on described touch mutually, described upper chuck (9) with on make mould chuck (10) fix, described lower chuck (66) and mould of ordering (12) fix, described mould of ordering (12) and counterdie capsule clamp breach (8) and fasten, 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 mould of ordering (12) and lower chuck (66), the shape of described curing bag (13) and the shape of fetus installation cavity (6) inwall suitable, described oil cylinder lifting comprises pressed on ring hoist cylinder (14) and lower ring hoist cylinder (15), pressed on ring piston rod (16) is provided with in described pressed on ring hoist cylinder (14), described pressed on ring piston rod (16) is through lower chuck (66) and fix with upper chuck (9), lower ring piston rod (17) is provided with in described lower ring hoist cylinder (15), described lower ring piston rod (17) abuts against with the bottom of pressed on ring hoist cylinder (14) and fixes with it, 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 by retainer (18) and base (1) 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) is rotated 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 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 vapor chamber wall (27), lower vapor chamber wall (28), outer temperature steam inlet tube (29) and outer temperature steam and goes 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) is connected with lower vapor chamber wall (28) and forms 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), compress into pipe (32) in described vulcanisation cycle mechanism comprises 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 pushing frame (34), described pushing frame (34) is provided with in base (1), form booster cavity (35) between the bottom of described pushing frame (34) and base (1), be provided with power water pipe (36) in described base (1) 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) fastened with upper mold section (5), the both sides of described flange collar (37) are embedded with sealing ring (38) respectively and seal mutually with upper mold section (5), top and the top tray (3) of described upper mold section (5) fix, and described female die (4) and lower tray (2) are halved together, 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 mould of ordering (12) and lower chuck (66), wear-resistant sleeve (41) is provided with in described lower chuck (66), described wear-resistant sleeve (41) and pressed on ring piston rod (16) socket-connect, between the outer wall of described wear-resistant sleeve (41) and lower chuck (66), seal mutually respectively by wear-resistant sleeve sealing ring (42) between the inwall of wear-resistant sleeve (41) and lower chuck (66), the top of described pressed on ring piston rod (16) is located with upper chuck (9) mutually by clamp ring (43), the top of described pressed on ring piston rod (16) is covered with gland (44), described gland (44) and upper chuck (9) fix, described pressed on ring hoist cylinder (14) overcoat has draw-bar seat (45), described draw-bar seat (45) and base (1) fix, equally distributed pull bar (46) is provided with in described draw-bar seat (45), tail end and the lower ring hoist cylinder (15) of described pull bar (46) fix, regulating block (47) is provided with in described draw-bar seat (45), 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 the top tray flange collar (52) of integration mutually with it, described top tray flange collar (52) abuts with locking slot (50) phase shift, 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 is gone out pipe (30) and is located mutually by pipe casting die (53) and lower vapor chamber wall (28), and described outer temperature steam goes out pipe (30) and extends base (1) through pushing frame (34), the bottom of described lower chuck (66) is provided with inlet pipe fixed bit (54), and compress into pipe (32) and inlet pipe fixed bit (54) bolt in described, the top of described lower chuck (66) is provided with compresses into the crimp head (55) of managing (32) and being connected with interior, the two side ends of described pushing frame (34) seals respectively by supercharging sealing ring (56) mutually with base (1), the outer wall of described pushing frame (34) and the inwall of base (1) fit, and the top of described pushing 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) and upper mold section (5) are fastened by hanging mould screw (58), be provided with lower bolster (59) between the bottom of described female die (4) and pushing frame (34), described upper padding plate (57) and lower bolster (59) are respectively double-deck backing plate; Described upper chuck (9) and on make between mould chuck (10), between lower chuck (66) and mould of ordering (12) and being fixed by screw (60); Described roller (51) is located in roller mount (61), described roller mount (61) is located at roller and abuts in frame (62), described roller abuts in frame (62) and is provided with roller abutting bolt (63), described roller abuts bolt (63) and abuts against with the outer wall of roller mount (61), and described roller abuts frame (62) and 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) and lower tray (2) are added to press solidly by three mutually equally distributed matched moulds pressue devices determines, and described matched moulds pressue device is locked mutually by the locking device of a pair symmetrical distribution; The bottom of described base (1) is provided with installs ring recess (64), is provided with the installation dop (65) of integration mutually 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, the upper rim of the mouth of curing bag (13) is 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 mould of ordering (12), green tyres is loaded in fetus installation cavity (6);
(2), input sizing steam in curing bag:
By interior pipe (32) of compressing into toward curing bag (13) input sizing steam, and the throttle orifice in loop is opened, and the aperture of throttle orifice is 8mm, forms circulation; 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 DEG C;
(3), mould location:
By on make mould (11) be installed in making on mould chuck (10), boom hoisting top tray (3), upper padding plate (57) and upper mold section (5) is utilized to lift to vulcanizer, and downward matched moulds slowly, the deadweight of whole patrix is utilized green tyres progressively to be depressed, matched moulds pressue device starts, and increases mold clamping force, accelerates matched moulds step sequence, green tyres centre position is protruded gradually, is full of whole fetus installation cavity (6); Matched moulds process is the process by 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 close to time, pin on pin-and-hole on upper mold section (5) and female die (4) is coordinated, completes the circumference location of upper/lower die;
(4), locked mode process is carried out:
After upper mold section (5) and female die (4) carry out matched moulds, locking device carries out action, and locking cylinder (22) is stretched, and drives retainer (18) along the circumferential direction to rotate under the positioning action of roller (51), makes top tray (3) and retainer (18) overlapping up and down;
(5), locked mode pressurized treatment is carried out:
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, pushing frame (34) is moved on starting, drive lower tray (2), female die (4), upper mold section (5) and top tray (3) upwards to rise, then top tray (3) and retainer (18) abut against, and drive retainer (18) to rise simultaneously, till gap between retainer (18) and base (1) is covered, 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 DEG C, steam enters in vapor chamber (31), after the circulation of vapor chamber (31), enter to outer temperature steam go out pipe (30), pneumatic diaphragm control valve and measurement mechanism is provided with in outer temperature vapor recycle pipeline, after temperature measuring equipment records the numerical value of outer temperature steam, converting thereof into is the digital quantity signal of a 4 ~ 20mA, after this signal and setting value compare by PLC, export the signal of telecommunication of a 4 ~ 20mA to electrical converter, electrical converter regulates accordingly according to the control air pressure of numerical value to pneumatic diaphragm control valve obtaining the signal of telecommunication, by the change of air pressure, the height of pneumatic diaphragm control valve is changed, namely in outer warm pipeline, the flow of steam changes, realize carrying out the constant of control temperature by the change controlling steam flow in real time,
(7), in curing bag, pressurising water is inputted:
After locked mode supercharging completes, inside compress into pipe (32) to be switched to pressurising water entered by sizing steam, the pressure of pressurising water is 1.5 ~ 2.0MPa, temperature is 90 ~ 100 DEG C, the time that pressurising water passes into is 3 ~ 5 minutes, the internal pressure of further lifting curing bag (13), for a rear stepping superheated water is prepared;
(8), in curing bag input superheated water, carry out vulcanizing treatment:
After the interior voltage rise pressure of pressurising water to curing bag (13) completes, inside compress into pipe (32) to enter to switch to superheated water by pressurising water and enter, the pressure of superheated water is 2.5 ~ 3.0MPa, the temperature of superheated water is 200 ~ 210 DEG C, and inside push back pipe (33) to open, form circulation, sulfuration starts, and cure time is 80 ~ 85 minutes;
After the time reaching technique initialization when cured, superheated water and outer temperature steam stop, interior pressure is decontroled and is opened, until when the Pressure Drop in curing bag (13) is to setting value 0.5MPa, stopping is put in interior pressure, the Recovery of the hot water that interior pressure is put uses to superheated water master station process Posterior circle, 2 ~ 3 minutes this step sequence used times;
Inside compress into pipe (32) and pass into cooling water, and chilled(cooling) water return (CWR) is opened, form circulation, the pressure of cooling water is 0.5 ~ 0.7MPa;
The time entering to curing bag (13) when cooling water is 8 ~ 10 minutes, and the temperature of green tyres is down to 80 ~ 90 DEG C, cooling water pressure in now closing;
After the cooling of green tyres, main arranging is opened, by the water pressure release in curing bag (13) and in booster cavity (35) in return pipe, recycling, pressure release take power by force close to zero-pressure state;
After main drained one-tenth, vacuumize, the vacuum vacuumized is-0.3 ~ 0.5 atmospheric pressure, and the time vacuumized is 2 ~ 3 minutes;
When vacuumizing, carry out zero-voltage-switch detection, when pressure reaches safety value, zero-voltage-switch inverse signal is sent die sinking signal to PLC, PLC by sampling in the pipeline from interior pressure and external pressure, signal can safe die sinking; If run into urgent situation, can starting switch, system can carry out dump process;
(9), die sinking is carried out:
Locking cylinder (22) switches to contracting state by the state of stretching, and drives retainer (18) to rotate along circle direction, 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) make on mould chuck (10) from above hanging out;
Pressed on ring hoist cylinder (14) carries out stretching state, and drive makes mould chuck (10), upper chuck (9) and gland (44) rise, the upper rim of the mouth of stretching curing bag (13), pulls out curing bag (13) from green tyres inner chamber;
Lower ring hoist cylinder (15) carries out stretching state, wear-resistant sleeve (41), lower chuck (66) and mould of ordering (11) is driven to rise, lower rim of the mouth due to green tyres is stuck on mould of ordering (11), the lower rim of the mouth of green tyres and position, lower sidewall rise, deviate from from female die (4) decorative pattern, lower ring hoist cylinder (15) carries out contracting state, restPoses;
Use snap fit, that blocks green tyres walks port part, green tyres is hung out from lower mold half slowly, hangs out in process and will prevent tire from significantly rocking.
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| 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 |
| 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 |
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