CN114603754A - Tire vulcanizing device and vulcanizing process thereof - Google Patents
Tire vulcanizing device and vulcanizing process thereof Download PDFInfo
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- CN114603754A CN114603754A CN202210242016.8A CN202210242016A CN114603754A CN 114603754 A CN114603754 A CN 114603754A CN 202210242016 A CN202210242016 A CN 202210242016A CN 114603754 A CN114603754 A CN 114603754A
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- heating
- cover
- plate
- connecting rod
- tire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0662—Accessories, details or auxiliary operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention provides a tire vulcanizing device and a vulcanizing process thereof, wherein the tire vulcanizing device comprises the following steps: the top of the integrated frame is provided with an oil cylinder; the mold is arranged in the integrated frame, comprises two identical groups of first and second molds, and is used for simultaneously completing vulcanization of two tires, the first group of molds is arranged at the top of the second group of molds, the first group of molds comprises a first upper mold and a first lower mold, and the second group of molds comprises a second upper mold and a second lower mold; the tire fixing mechanism is arranged at the tops of the first lower mold and the second lower mold and comprises a capsule and an embryo supporting machine; the dust cover is sleeved outside the mold, and a vent is arranged on the side wall of the dust cover; the waste gas reaction tank is arranged on one side of the integrated frame, and the exhaust pipeline is connected between the waste gas reaction tank and the vent.
Description
Technical Field
The invention belongs to the technical field of tire vulcanization, and particularly relates to a tire vulcanization device and a tire vulcanization process.
Background
A tire vulcanizer of the related art converts a plastic tire into an elastic tire or a hard tire in a tire vulcanizing process, and includes a base, a main transmission mechanism, a center mechanism, a vulcanizing chamber, a tire mounting and demounting device, a demolding mechanism, and a control system. The device can complete a series of continuous actions of grabbing, ascending, turning in and descending the green tire, accurately sleeving the green tire on a capsule to shape the green tire, closing, ascending, turning out and the like by arranging a mechanical arm.
However, because the tire has the difference between a small tire and a large tire, the prior art cannot respectively carry out vulcanization operation according to the type of the tire, so that the refinement of tire vulcanization is reduced, and meanwhile, because a large amount of smoke is easily generated in the vulcanization process, the smoke in the prior art is difficult to eliminate, and the influence on operators is easily caused.
Disclosure of Invention
The invention provides a tire vulcanizing device and a tire vulcanizing process, which solve the problems.
The technical scheme of the invention is realized as follows: a tire vulcanizing device comprising:
the top of the integrated frame is provided with an oil cylinder;
the mold is arranged in the integrated frame, the mold comprises two identical groups, namely a first group of molds and a second group of molds, and is used for simultaneously completing vulcanization of two tires, the first group of molds is arranged at the top of the second group of molds, the first group of molds comprises a first upper mold and a first lower mold, and the second group of molds comprises a second upper mold and a second lower mold;
the tire fixing mechanism is arranged at the tops of the first lower mold and the second lower mold and comprises a capsule and an embryo supporting machine;
the dust cover is sleeved outside the die, and a vent is formed in the side wall of the dust cover;
waste gas recovery mechanism, including the waste gas retort, the waste gas retort sets up in one side of integral type frame, it is provided with exhaust duct to connect between waste gas retort and the vent.
As a preferred embodiment, a mold connecting frame is connected between the first lower mold and the second upper mold, and the mold connecting frame is arranged in a convex manner;
the inner wall of integral type frame is provided with the slide rail, and it is provided with first slide and second slide to slide on the slide rail, and fixed connection between first slide and the first mould, fixed connection between second slide and the mould link is connected through the jib between first mould and the mould link.
As a preferred embodiment, the first lower die and the second lower die are arranged in a split manner;
the first lower die comprises an inner ring and an outer ring, the outer ring is arranged on the outer side of the inner ring, the inner ring is fixedly connected with the tire fixing mechanism, the inner side of the outer ring is provided with a groove part, the outer side of the inner ring is provided with a protruding part, and the outer ring and the inner ring are clamped and connected;
the second lower die comprises an inner ring and an outer ring, the outer ring is arranged on the outer side of the inner ring, the inner ring is fixedly connected with the tire fixing mechanism, a groove portion is formed in the inner side of the outer ring, a protruding portion is arranged on the outer side of the inner ring, and the outer ring and the inner ring are connected in a clamping mode.
As a preferred embodiment, prop the embryo machine and include the chuck upper cover, the chuck lower cover, the gas column, support connecting rod and interior head that props, wherein the chuck upper cover sets up in the top of chuck lower cover, fixed connection between chuck lower cover and the inner ring, the gas column runs through the middle part setting of chuck upper cover and chuck lower cover, support connecting rod sets up between chuck upper cover and chuck lower cover, be connected between the top of support connecting rod and the bottom surface of chuck upper cover, be connected between the bottom of support connecting rod and the top surface of chuck lower cover, interior head that props sets up in the outside of support connecting rod.
As a preferred embodiment, a first connecting rod fixing plate is fixedly arranged at the bottom of the chuck upper cover, and a plurality of first connecting rod clamping grooves are uniformly formed in the outer surface of the side wall of the first connecting rod fixing plate along the circumference;
a second connecting rod fixing plate is fixedly arranged at the top of the chuck lower cover, and a plurality of second connecting rod clamping grooves are uniformly formed in the outer surface of the side wall of the second connecting rod fixing plate along the circumference;
the supporting connecting rod comprises a first connecting rod connecting part and a second connecting rod connecting part, the top end of the first connecting rod connecting part is arranged in a first connecting rod clamping groove, the first connecting rod connecting part is hinged to a first connecting rod fixing plate, the bottom end of the second connecting rod connecting part is arranged in a second connecting rod clamping groove, the second connecting rod connecting part is hinged to a second connecting rod fixing plate, a first tooth part is arranged at the bottom end of the first connecting rod connecting part, a second tooth part is arranged at the top end of the second connecting rod connecting part, and the first tooth part and the second tooth part are meshed;
interior stay head includes interior bracing supporting part and interior bracing fixed part, the interior bracing fixed part is the setting of U type, be connected through first round pin axle between the top of interior bracing fixed part and the first tooth portion, be connected through second round pin axle between the bottom of interior bracing fixed part and the second tooth portion, the fixed outside that sets up in the interior bracing fixed part of interior bracing supporting part, the interior bracing supporting part is the setting of H type, the outward appearance of interior bracing supporting part is the setting of arc type, interior bracing supporting part and interior bracing fixed part all include a plurality of, the one-to-one setting between interior bracing supporting part and the interior bracing fixed part, the looks block sets up between two adjacent interior bracing supporting parts.
As a preferred embodiment, the first upper die comprises a first heating plate, the top of the first heating plate is connected with a first heat insulation plate, and the bottom of the first heating plate is connected with a first heating cover plate;
the first lower die comprises a second heating plate, the bottom of the second heating plate is connected with a second heat insulation plate, and the top of the second heating plate is connected with a second heating cover plate;
the second upper die comprises a third heating plate, the top of the third heating plate is connected with a third heat insulation plate, and the bottom of the third heating plate is connected with a third heating cover plate;
the second lower die comprises a fourth heating plate, a fourth heat insulation plate is connected to the bottom of the fourth heating plate, and a fourth heating cover plate is connected to the top of the fourth heating plate.
As a preferred embodiment, the bottom of the first heating cover, the top of the second heating cover, the bottom of the third heating cover and the top of the fourth heating cover are all provided with a circumferential electric heating plate assembly;
the circumference electric plate subassembly includes first heating connecting plate, second heating connecting plate and heating pipe, and first heating connecting plate and second heating connecting plate all are the setting of L type, form inclosed heating bath between first heating connecting plate and the second heating connecting plate, and the heating bath is the loop type setting, and the heating pipe sets up in the heating bath.
As a preferred embodiment, the dust cover includes a first dust cover, a second dust cover, a third dust cover, and a fourth dust cover;
the first dust cover is sleeved on the outer side of the first upper die, the second dust cover is sleeved on the outer side of the first lower die, and a through first ventilation opening is formed in the side wall of the second dust cover;
the third dust hood is sleeved on the outer side of the second upper die, the fourth dust hood is sleeved on the outer side of the second lower die, and a through second ventilation opening is formed in the side wall of the fourth dust hood;
the air exhaust pipeline is provided with a plurality of branches which are respectively communicated with the first ventilation opening and the second ventilation opening;
the waste gas reaction tank is provided with an air inlet pipe, an air valve is arranged on the air inlet pipe, a first recovery pipe and a second recovery pipe are further arranged on the waste gas reaction tank, the first recovery pipe and the central mechanism are communicated, and the second recovery pipe and the mold are communicated.
As a preferred embodiment, the oil cylinder comprises a cylinder bottom, a cylinder barrel and a piston rod;
the cylinder bottom is fixedly arranged at the top of the cylinder barrel and is provided with a through oil injection hole;
the piston rod sets up in the inside of cylinder, and the top of piston rod is provided with hangs and draws the bolt hole, and the top outside cover of piston rod is equipped with the piston ring, and the outside cover of piston ring is equipped with first guidance tape, first O type circle and YX circle, and the middle part outside cover of piston rod is equipped with the guide ring, and the outside cover of guide ring is equipped with wide guidance tape, and the bottom outside cover of piston rod is equipped with second guidance tape and second O type circle, the bottom of piston rod with fixed connection sets up between the top of first last mould.
A vulcanization process of a tire vulcanization device comprises the following steps:
step 4, simultaneously electrifying the first upper die heating plate, the first lower die heating plate, the second upper die heating plate, the second lower die heating plate and the heating pipe, and vulcanizing the tire in an electric heating mode;
step 5, simultaneously sucking the smoke in the first dust cover, the second dust cover, the third dust cover and the fourth dust cover into the waste gas reaction tank through the first ventilation opening and the second ventilation opening, opening an air valve, and after air enters the waste gas reaction tank, enabling the gas in the waste gas reaction tank to react in a combustion and cracking mode respectively;
and 6, respectively introducing the gas in the waste gas reaction tank into the central mechanism through a first recovery pipe for internal pressure inflation, and introducing the gas into the mold through a second recovery pipe for preheating the green tire.
After the technical scheme is adopted, the invention has the beneficial effects that:
1. the first lower die and the second lower die are arranged in a split mode, so that the practicability of the first lower die and the second lower die is improved, the pattern depth of the tire is large, after the tire is vulcanized, the inflation pressure of bladder vulcanization is reduced from 2.1MPa to about 1.3MPa, a part of inert gas is prestored in the bladder to enable the outer wall of the bladder to be attached to the inner wall of the tire, then the upper half die is separated from the lower half die, a ring is arranged on a central mechanism to rise, the bladder and the tire are driven to rise, and the tire is separated from the die by the friction force of the bladder and the tire due to the fact that the bladder is attached to the tire, so that the service life of the bladder is shortened, the phenomenon that the inflation pressure is small, the bladder and the tire cannot be taken out of the die is caused, and secondary inflation is needed, and the labor is caused. The inner ring and the outer ring are split at present, after vulcanization is finished, the bladder is vacuumized, the upper half die and the lower half die are separated, the upper ring of the central mechanism is jacked, and the inner ring of the lower half die and the tire are driven to be separated from the outer ring of the lower half die.
2. The invention improves the oil cylinder, firstly, the sealing devices are arranged at the two ends of the piston rod, the sealing guidance performance is improved, and secondly, the bottom of the oil cylinder is drilled and provided with a hanging bolt. The problem that the former oil cylinder has no place to be hung and pulled for maintenance is solved, finally, the cylinder diameter phi of the oil cylinder is 300-phi 360, when the oil cylinder descends, a hydraulic station pump supplies oil to an oil filling hole, oil at an oil return opening is completely returned to an oil tank, and the same reason is adopted when the oil cylinder ascends. The speed of vulcanization mold closing is generally required to be 10-20mm/s, the calculation is carried out according to a formula of V-Q/pi R2n, V represents the rising speed, Q represents the displacement of an oil pump, R represents the radius of an oil cylinder, n represents the number of the oil cylinders, if the speed is required, the oil pump is increased or the radius of the oil cylinder is reduced, because the tonnage of mold closing force is determined by the diameter of the oil cylinder, the oil pump is increased, the power of a motor is increased immediately after the oil pump is increased, or the rising mold closing speed is slowed down. When the hydraulic working principle is changed, when oil is fed into an oil inlet of the oil cylinder, the oil at the oil return port does not return to the oil cylinder, but is supplemented into the oil inlet, so that firstly, the slow speed of the oil return cannot be affected, secondly, the supply amount of the fed oil is increased, and the rising speed is increased.
3. The invention cancels the prior steam heating and changes the steam heating into the electric heating, and the electric heating mode of the invention firstly utilizes the first heating plate, the second heating plate, the third heating plate and the fourth heating plate to heat and secondly utilizes the electric heating pipe in the circumferential electric heating plate component to heat. The steam heating mode does not need to say that a boiler is needed, noise and waste gas are generated, the environment is influenced, the coal burning thermal power cannot be fully utilized, the steam is cancelled, the upper surface and the lower surface of the tire to be vulcanized are heated, the noise and the waste gas are reduced, and the requirement of environment protection is met. However, in the case of a tire to be vulcanized, since the upper and lower portions thereof are sidewalls and are relatively thin, and the thick crown portion is located at the periphery, since the tire is thick and requires a long vulcanization time, the crown having a long vulcanization time has no heating point, and the sidewall portion having a short vulcanization time is heated, although heat conduction affects the vulcanization time and the vulcanization quality. The invention adopts the circumferential electric heating plate assembly for heating, which can completely avoid the problem.
4. The invention reasonably utilizes the waste gas in the vulcanization process, and the waste gas can be generated in the vulcanization process, thereby influencing the health of people and the environmental protection. The invention adds a closed dust cover on the periphery of the mould, the dust cover is provided with a vent, the dust cover is in a laminated type, after vulcanization is finished, air is sucked in advance without opening the mould, waste gas is sucked away, after opening the mould, the air suction quantity is increased, the smoke in the upper mould and the lower mould is basically recovered, the sucked waste gas is stored in a reaction tank along an air suction pipe, certain air is supplemented, then methods such as organic matter combustion, catalytic reaction, cracking and the like are adopted, combustible waste gas and oxygen in the organic matter are consumed to form stable mixed gas, the combustion, the catalytic reaction and the cracking all belong to the existing common technical means, so that redundant description is not made here, the gas returns to the side of a vulcanizing machine along a pipeline after reaction, one part is connected with a central mechanism to inflate the tire embryo under internal pressure, one part is preheated, and the part of heat energy is recycled. The preheating of the green tire can shorten the vulcanizing time and protect the capsule. The method of transporting the gas to the central mechanism and the mold through the first recovery pipe and the second recovery pipe respectively in the present invention is a connection method that can be used or inferred by those skilled in the art according to the existing technical means, and therefore, redundant description is not repeated herein.
5. The invention provides a tire fixing mechanism of a bladder and an embryo supporting machine according to the size of a tire, wherein a large tire, such as 5.00-12, is subjected to shaping vulcanization by adopting a capsule type, a small tire, such as 3.00-8, is subjected to shaping vulcanization by adopting the embryo supporting machine, the embryo supporting machine adopts the working principle that when a first upper mold moves downwards to be in contact with an upper cover of a chuck, the upper cover of the chuck is pushed to move downwards, a first tooth part and a second tooth part are meshed, so that the connecting part of a first connecting rod connecting part and a second connecting rod connecting part protrudes outwards, the adjacent inner supporting parts are pushed to be relatively far away, and the tire is shaped.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a schematic cross-sectional view of the present invention;
FIG. 6 is another elevational view of the present invention;
FIG. 7 is another top view of the present invention;
FIG. 8 is a schematic structural view of a blank supporter;
FIG. 9 is a front view of the embryo spreader;
FIG. 10 is a cross-sectional view of the embryo propping machine;
FIG. 11 is a schematic structural view of the inner support portion;
FIG. 12 is a schematic structural view of the cylinder;
fig. 13 is a schematic sectional structure view of the oil cylinder.
In the drawings, 1-one-piece frame; 2-oil cylinder; 3-molding; 4-a tire securing mechanism; 5-a dust cover; 6-an electric heating mechanism; 7-a waste gas recovery mechanism; 10-a slide rail; 11-a first sled; 12-a second sled; 20-cylinder bottom; 21-a cylinder barrel; 22-a piston rod; 23-oil filler hole; 24-a drawbolt hole; 25-a guide ring; 26-wide guide belts; 27-a first sealing means; 28-a second sealing means; 29-a piston ring; 270-YX circle; 271-a first O-ring; 272-a first guide belt; 280-a second O-ring; 281-a second guide belt; 30-a first upper mould; 31-a first lower mold; 32-a second upper mold; 33-a second lower mold; 34-a boom; 35-a mold connecting frame; 310-an outer ring; 311-inner ring; 312-a projection; 313-groove section; 40-capsule preparation; 41-supporting the embryo machine; 410-chuck upper cover; 411-chuck lower cover; 412-gas column; 413-a support link; 414-inner support head; 415-a first link securing plate; 416-a second link securing plate; 4130-a first link connecting portion; 4131-a second link connecting portion; 4132-first tooth portion; 4133-second teeth; 4140-inner support portion; 4141-inner support fixing part; 50-a first dust cover; 51-a second dust cover; 52-third dust prevention cover; 53-fourth dust hood; 60-a first heated plate; 61-a second heating plate; 62-a third heating plate; 63-a fourth heating plate; 64-a first heating connection plate; 65-a second heat connecting plate; 66-a heating tank; 67-heating tube; 70-a first vent; 71-second vent.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the figures 1 to 1, a tyre vulcanisation apparatus comprises:
the top of the integrated frame 1 is provided with an oil cylinder 2;
the molds are arranged in the integrated frame 1, the molds comprise two identical groups, namely a first group of molds and a second group of molds, and are used for simultaneously completing the vulcanization of two tires, the first group of molds are arranged at the top of the second group of molds, the first group of molds comprise a first upper mold 30 and a first lower mold 31, and the second group of molds comprise a second upper mold 32 and a second lower mold 33;
the tire fixing mechanism is arranged at the tops of the first lower mold 31 and the second lower mold 33 and comprises a capsule 40 and an embryo supporting machine 41;
the dust cover is sleeved on the outer side of the mold, and a vent is arranged on the side wall of the dust cover;
waste gas recovery mechanism, including the waste gas retort, the waste gas retort sets up in one side of integral type frame 1, it is provided with exhaust duct to connect between waste gas retort and the vent.
A mold connecting frame 35 is connected between the first lower mold 31 and the second upper mold 32, and the mold connecting frame 35 is arranged in a convex manner;
the inner wall of the integrated frame 1 is provided with a slide rail 10, the slide rail 10 is provided with a first slide plate 11 and a second slide plate 12 in a sliding manner, the first slide plate 11 is fixedly connected with the first upper die 30, the second slide plate 12 is fixedly connected with the die connecting frame 35, and the first upper die 30 is connected with the die connecting frame 35 through a hanging rod 34.
The first lower die 31 and the second lower die 33 are arranged in a split manner;
the first lower die 31 comprises an inner ring 311 and an outer ring 310, the outer ring 310 is arranged on the outer side of the inner ring 311, the inner ring 311 is fixedly connected with the tire fixing mechanism, a protruding part 312 is arranged on the inner side of the outer ring 310, a groove part 313 is arranged on the outer side of the inner ring 311, and the outer ring 310 and the inner ring 311 are in clamping connection;
the second lower die 33 comprises an inner ring 311 and an outer ring 310, the outer ring 310 is arranged on the outer side of the inner ring 311, the inner ring 311 is fixedly connected with the tire fixing mechanism, a protruding portion 312 is arranged on the inner side of the outer ring 310, a groove portion 313 is arranged on the outer side of the inner ring 311, and the outer ring 310 and the inner ring 311 are in clamping connection.
The blank supporting machine 41 comprises a chuck upper cover 410, a chuck lower cover 411, an air column 412, a supporting connecting rod 413 and an inner supporting head 414, wherein the chuck upper cover 410 is arranged above the chuck lower cover 411, the chuck lower cover 411 is fixedly connected with an inner ring 311, the air column 412 penetrates through the middle of the chuck upper cover 410 and the chuck lower cover 411, the supporting connecting rod 413 is arranged between the chuck upper cover 410 and the chuck lower cover 411, the top end of the supporting connecting rod 413 is connected with the bottom surface of the chuck upper cover 410, the bottom end of the supporting connecting rod 413 is connected with the top surface of the chuck lower cover 411, and the inner supporting head 414 is arranged outside the supporting connecting rod 413.
The bottom of the chuck upper cover 410 is fixedly provided with a first connecting rod fixing plate 415, and the outer surface of the side wall of the first connecting rod fixing plate 415 is uniformly provided with a plurality of first connecting rod clamping grooves along the circumference;
a second connecting rod fixing plate 416 is fixedly arranged at the top of the chuck lower cover 411, and a plurality of second connecting rod clamping grooves are uniformly formed in the outer surface of the side wall of the second connecting rod fixing plate 416 along the circumference;
the support link 413 comprises a first link connecting part 4130 and a second link connecting part 4131, the top end of the first link connecting part 4130 is arranged in the first link clamping groove, the first link connecting part 4130 is hinged to the first link fixing plate 415, the bottom end of the second link connecting part 4131 is arranged in the second link clamping groove, the second link connecting part 4131 is hinged to the second link fixing plate 416, the bottom end of the first link connecting part 4130 is provided with a first tooth part 4132, the top end of the second link connecting part 4131 is provided with a second tooth part 4133, and the first tooth part 4132 is meshed with the second tooth part 4133;
the internal stay head 414 comprises an internal stay supporting part 4140 and an internal stay fixing part 4141, the internal stay fixing part 4141 is arranged in a U shape, the top end of the internal stay fixing part 4141 is connected with the first tooth part 4132 through a first pin shaft, the bottom end of the internal stay fixing part 4141 is connected with the second tooth part 4133 through a second pin shaft, the internal stay supporting part 4140 is fixedly arranged at the outer side of the internal stay fixing part 4141, the internal stay supporting part 4140 is arranged in an H shape, the outer surface of the internal stay supporting part 4140 is arranged in an arc shape, the internal stay supporting part 4140 and the internal stay fixing part 4141 both comprise a plurality of parts, the internal stay supporting part 4140 and the internal stay fixing part 4141 are correspondingly arranged one by one, and the adjacent two internal stay supporting parts 4140 are clamped and arranged.
The first upper mold 30 comprises a first heating plate 60, a first heat insulation plate is connected to the top of the first heating plate 60, and a first heating cover plate is connected to the bottom of the first heating plate 60;
the first lower die 31 comprises a second heating plate 61, a second heat insulation plate is connected to the bottom of the second heating plate 61, and a second heating cover plate is connected to the top of the second heating plate 61;
the second upper die 32 comprises a third heating plate 62, a third heat insulation plate is connected to the top of the third heating plate 62, and a third heating cover plate is connected to the bottom of the third heating plate 62;
the second lower die 33 comprises a fourth heating plate 63, a fourth heat insulation plate is connected to the bottom of the fourth heating plate 63, and a fourth heating cover plate is connected to the top of the fourth heating plate 63.
The bottom of the first heating cover, the top of the second heating cover, the bottom of the third heating cover and the top of the fourth heating cover are respectively provided with a circumferential electric heating plate assembly;
circumference electric plate subassembly includes first heating connecting plate 65, second heating connecting plate 66 and heating pipe 68, and first heating connecting plate 65 and second heating connecting plate 66 all are the setting of L type, form inclosed heating bath 67 between first heating connecting plate 65 and the second heating connecting plate 66, and heating bath 67 is the loop type setting, and heating pipe 68 sets up in heating bath 67.
As a preferred embodiment, the dust covers include a first dust cover 50, a second dust cover 51, a third dust cover 52, and a fourth dust cover 53;
the first dust cover 50 is sleeved outside the first upper die 30, the second dust cover 51 is sleeved outside the first lower die 31, and a first through vent 70 is arranged on the side wall of the second dust cover 51;
the third dust hood 52 is sleeved outside the second upper die 32, and a through second ventilation opening 71 is formed in the side wall of the fourth dust hood 53;
the air extraction pipeline is provided with a plurality of branches which are respectively communicated with the first ventilation opening 70 and the second ventilation opening 71;
the waste gas reaction tank is provided with an air inlet pipe, an air valve is arranged on the air inlet pipe, a first recovery pipe and a second recovery pipe are further arranged on the waste gas reaction tank, the first recovery pipe and the central mechanism are communicated, and the second recovery pipe and the mold are communicated.
The oil cylinder 2 comprises a cylinder bottom 20, a cylinder barrel 21 and a piston rod 22;
the cylinder bottom 20 is fixedly arranged at the top of the cylinder barrel 21, and the cylinder bottom 20 is provided with a through oil hole 23;
the piston rod 22 sets up in the inside of cylinder 21, and the top of piston rod 22 is provided with hangs and draws bolt hole 24, and the top outside cover of piston rod 22 is equipped with the piston ring, and the outside cover of piston ring is equipped with first guidance tape 272, first O type circle 271 and YX circle 270, and the middle part outside cover of piston rod 22 is equipped with guide ring 25, and the outside cover of guide ring 25 is equipped with wide guidance tape 26, and the bottom outside cover of piston rod 22 is equipped with second guidance tape 281 and second O type circle 280, the bottom of piston rod 22 with fixed connection sets up between the top of first last mould 30.
A vulcanization process of a tire vulcanization device comprises the following steps:
step 4, simultaneously electrifying the first upper die heating plate, the first lower die heating plate, the second upper die heating plate, the second lower die heating plate and the heating pipe 68, and vulcanizing the tire in an electric heating mode;
step 5, simultaneously sucking the smoke in the first dust cover 50, the second dust cover 51, the third dust cover 52 and the fourth dust cover 53 into the waste gas reaction tank through the first ventilation opening 70 and the second ventilation opening 71, opening an air valve, and after air enters the waste gas reaction tank, respectively enabling the gas in the waste gas reaction tank to react in a combustion and cracking mode;
and 6, respectively introducing the gas in the waste gas reaction tank into the central mechanism through a first recovery pipe for internal pressure inflation, and introducing the gas into the mold through a second recovery pipe for preheating the green tire.
The first lower die 31 and the second lower die 33 are arranged in a split mode, so that the practicability of the first lower die 31 and the second lower die 33 is improved, the pattern depth of a tire is large, the vulcanizing inflation pressure of the bladder 40 is reduced from 2.1MPa to about 1.3MPa after the tire is vulcanized, a part of inert gas is pre-stored in the bladder 40 to enable the outer wall of the bladder 40 to be attached to the inner wall of the tire, then the upper half die is separated from the lower half die, a ring rises on a central mechanism to drive the bladder 40 to rise with the tire, the bladder 40 is attached to the tire, the tire is separated from the die by the friction force of the bladder 40 and the tire, the service life of the bladder 40 is shortened, the phenomena that the inflation pressure is small, the bladder 40 and the tire cannot be taken out of the die are caused, secondary inflation is needed, and the work is avoided. Now, the inner ring 310 and the outer ring 310 are split, after vulcanization is completed, the bladder 40 is vacuumized, the upper half die and the lower half die are separated, the upper ring of the central mechanism is lifted, and the inner ring 311 of the lower half die and the tire are driven to be separated from the outer ring 310 of the lower half die.
The invention improves the oil cylinder 2, firstly, sealing devices are arranged at two ends of the piston rod 22 to improve the sealing guidance, and secondly, holes are drilled at the bottom of the oil cylinder 2 and the hanging bolts are installed. The problem that the oil cylinder 2 is not lifted and pulled for maintenance is solved, finally, the cylinder diameter phi of the oil cylinder 2 is 300-phi 360, when the oil cylinder 2 descends, the oil pump of the hydraulic station supplies oil to the oil injection hole 23, oil at an oil return port is completely returned to the oil tank, and the same reason is adopted when the oil tank ascends. The speed of vulcanization mold closing is generally required to be 10-20mm/s, the calculation is carried out according to the formula of V-Q/pi R2n, V represents the rising speed, Q represents the displacement of an oil pump, R represents the radius of the oil cylinder 2, n represents the number of the oil cylinders 2, if the speed is required, the oil pump is increased or the radius of the oil cylinder 2 is reduced, because the cylinder diameter of the oil cylinder 2 determines the tonnage of mold closing force, only one option is to increase the oil pump, the increase of the oil pump is followed by the increase of the power of a motor, otherwise, the rising mold closing speed is retarded. And now change hydraulic pressure theory of operation, when hydro-cylinder 2 oil filler point 23 took oil, the oil of oil return opening no longer leaked the hydro-cylinder 2, but supplyed in oil filler point 23, firstly can not be because of the slow speed that delays of oil return, secondly increased the supply capacity of oil feed, improved the speed of rising.
The invention cancels the prior steam heating and changes the prior steam heating into the electrical heating, and the electrical heating mode comprises the heating by utilizing a first heating plate 60, a second heating plate 61, a third heating plate 62 and a fourth heating plate 63 and the heating by utilizing an electric heating pipe in a circumferential electric heating plate component. The steam heating mode does not need to say that a boiler is needed, noise and waste gas are generated, the environment is influenced, the coal burning thermal power cannot be fully utilized, the steam is cancelled, the upper surface and the lower surface of the tire to be vulcanized are heated, the noise and the waste gas are reduced, and the requirement of environment protection is met. However, in the case of a tire to be vulcanized, since the upper and lower portions thereof are sidewalls and are relatively thin, and the thick crown portion is located at the periphery, since the tire is thick and requires a long vulcanization time, the crown having a long vulcanization time has no heating point, and the sidewall portion having a short vulcanization time is heated, although heat conduction affects the vulcanization time and the vulcanization quality. The invention adopts the circumferential electric heating plate assembly for heating, which can completely avoid the problem.
The invention reasonably utilizes the waste gas in the vulcanization process, and the waste gas can be generated in the vulcanization process, thereby influencing the health of people and the environmental protection. The invention adds a closed dust cover on the periphery of the mould, the dust cover is provided with a vent, the dust cover is in a laminated type, after vulcanization is finished, air is sucked in advance without opening the mould, waste gas is sucked away, after opening the mould, the air suction quantity is increased, the smoke in the upper mould and the lower mould is basically recovered, the sucked waste gas is stored in a reaction tank along an air suction pipe, certain air is supplemented, then methods such as organic matter combustion, catalytic reaction, cracking and the like are adopted, combustible waste gas and oxygen in the organic matter are consumed to form stable mixed gas, the combustion, the catalytic reaction and the cracking all belong to the existing common technical means, so that redundant description is not made here, the gas returns to the side of a vulcanizing machine along a pipeline after reaction, one part is connected with a central mechanism to inflate the tire embryo under internal pressure, one part is preheated, and the part of heat energy is recycled. The preheating of the green tire can shorten the vulcanizing time and protect the capsule 40. The method of transporting the gas to the central mechanism and the mold through the first recovery pipe and the second recovery pipe respectively in the present invention is a connection method that can be used or inferred by those skilled in the art according to the existing technical means, and therefore, redundant description is not repeated herein.
The invention provides a tire fixing mechanism of a bladder 40 and an embryo supporting machine 41 according to the size of a tire, a large tire, such as 5.00-12, is shaped and vulcanized by adopting the bladder 40, a small tire, such as 3.00-8, is shaped and vulcanized by adopting the embryo supporting machine 41, the embryo supporting machine 41 of the invention adopts the working principle that when a first upper mold 30 moves downwards to be contacted with an upper chuck cover 410, the upper chuck cover 410 is pushed to move downwards, the first tooth part 4132 and the second tooth part 4133 are meshed, the connecting part of the first connecting rod connecting part 4130 and the second connecting rod connecting part 4131 is enabled to bulge outwards, the adjacent inner supporting parts 4140 are pushed to be relatively far away, and the tire is shaped, and the embryo supporting machine 41 used by the invention is a mechanical connecting rod component, so that the service life is long, the shaping is flexible and convenient, and the cost of the bladder 40 is saved.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A tire vulcanizing device, comprising:
the top of the integrated frame is provided with an oil cylinder;
the mold is arranged in the integrated frame, the mold comprises two identical groups, namely a first group of molds and a second group of molds, and is used for simultaneously completing vulcanization of two tires, the first group of molds is arranged at the top of the second group of molds, the first group of molds comprises a first upper mold and a first lower mold, and the second group of molds comprises a second upper mold and a second lower mold;
the tire fixing mechanism is arranged at the tops of the first lower mold and the second lower mold and comprises a capsule and an embryo supporting machine;
the dust cover is sleeved on the outer side of the mold, and a vent is arranged on the side wall of the dust cover;
waste gas recovery mechanism, including the waste gas retort, the waste gas retort sets up in one side of integral type frame, it is provided with exhaust duct to connect between waste gas retort and the vent.
2. The tire vulcanizing device according to claim 1, wherein a mold connecting frame is connected between the first lower mold and the second upper mold, and the mold connecting frame is arranged in a convex manner;
the inner wall of integral type frame is provided with the slide rail, and it is provided with first slide and second slide to slide on the slide rail, and fixed connection between first slide and the first mould, fixed connection between second slide and the mould link is connected through the jib between first mould and the mould link.
3. A tire vulcanizing device according to claim 1, wherein the first lower mold and the second lower mold are provided in a split type;
the first lower die comprises an inner ring and an outer ring, the outer ring is arranged on the outer side of the inner ring, the inner ring is fixedly connected with the tire fixing mechanism, the inner side of the outer ring is provided with a groove part, the outer side of the inner ring is provided with a protruding part, and the outer ring and the inner ring are clamped and connected;
the second lower die comprises an inner ring and an outer ring, the outer ring is arranged on the outer side of the inner ring, the inner ring is fixedly connected with the tire fixing mechanism, a groove portion is formed in the inner side of the outer ring, a protruding portion is arranged on the outer side of the inner ring, and the outer ring and the inner ring are connected in a clamping mode.
4. The tire vulcanizing device according to claim 3, wherein the blank supporting machine comprises an upper chuck cover, a lower chuck cover, an air column, a supporting connecting rod and an inner supporting head, wherein the upper chuck cover is arranged above the lower chuck cover, the lower chuck cover is fixedly connected with the inner ring, the air column penetrates through the middle of the upper chuck cover and the lower chuck cover, the supporting connecting rod is arranged between the upper chuck cover and the lower chuck cover, the top end of the supporting connecting rod is connected with the bottom surface of the upper chuck cover, the bottom end of the supporting connecting rod is connected with the top surface of the lower chuck cover, and the inner supporting head is arranged outside the supporting connecting rod.
5. The tire vulcanizing device according to claim 4, wherein a first connecting rod fixing plate is fixedly arranged at the bottom of the chuck upper cover, and a plurality of first connecting rod clamping grooves are uniformly formed in the outer surface of the side wall of the first connecting rod fixing plate along the circumference;
a second connecting rod fixing plate is fixedly arranged at the top of the chuck lower cover, and a plurality of second connecting rod clamping grooves are uniformly formed in the outer surface of the side wall of the second connecting rod fixing plate along the circumference;
the supporting connecting rod comprises a first connecting rod connecting part and a second connecting rod connecting part, the top end of the first connecting rod connecting part is arranged in a first connecting rod clamping groove, the first connecting rod connecting part is hinged to a first connecting rod fixing plate, the bottom end of the second connecting rod connecting part is arranged in a second connecting rod clamping groove, the second connecting rod connecting part is hinged to a second connecting rod fixing plate, a first tooth part is arranged at the bottom end of the first connecting rod connecting part, a second tooth part is arranged at the top end of the second connecting rod connecting part, and the first tooth part and the second tooth part are meshed;
interior stay head includes interior bracing supporting part and interior bracing fixed part, the interior bracing fixed part is the setting of U type, be connected through first round pin axle between the top of interior bracing fixed part and the first tooth portion, be connected through second round pin axle between the bottom of interior bracing fixed part and the second tooth portion, the fixed outside that sets up in the interior bracing fixed part of interior bracing supporting part, the interior bracing supporting part is the setting of H type, the outward appearance of interior bracing supporting part is the setting of arc type, interior bracing supporting part and interior bracing fixed part all include a plurality of, the one-to-one setting between interior bracing supporting part and the interior bracing fixed part, the looks block sets up between two adjacent interior bracing supporting parts.
6. The tire vulcanizing device according to claim 1, wherein the first upper mold comprises a first heating plate, a first heat insulation plate is connected to the top of the first heating plate, and a first heating cover plate is connected to the bottom of the first heating plate;
the first lower die comprises a second heating plate, the bottom of the second heating plate is connected with a second heat insulation plate, and the top of the second heating plate is connected with a second heating cover plate;
the second upper die comprises a third heating plate, the top of the third heating plate is connected with a third heat insulation plate, and the bottom of the third heating plate is connected with a third heating cover plate;
the second lower die comprises a fourth heating plate, a fourth heat insulation plate is connected to the bottom of the fourth heating plate, and a fourth heating cover plate is connected to the top of the fourth heating plate.
7. A tire vulcanizing device according to claim 6, wherein the bottom of the first heating cap, the top of the second heating cap, the bottom of the third heating cap and the top of the fourth heating cap are provided with a circumferential electric heating plate assembly;
the circumference electric plate subassembly includes first heating connecting plate, second heating connecting plate and heating pipe, and first heating connecting plate and second heating connecting plate all are the setting of L type, form inclosed heating bath between first heating connecting plate and the second heating connecting plate, and the heating bath is the loop type setting, and the heating pipe sets up in the heating bath.
8. A tire vulcanizing device according to claim 1, wherein the dust covers include a first dust cover, a second dust cover, a third dust cover, and a fourth dust cover;
the first dust cover is sleeved on the outer side of the first upper die, the second dust cover is sleeved on the outer side of the first lower die, and a through first ventilation opening is formed in the side wall of the second dust cover;
the third dust hood is sleeved on the outer side of the second upper die, the fourth dust hood is sleeved on the outer side of the second lower die, and a through second ventilation opening is formed in the side wall of the fourth dust hood;
the air exhaust pipeline is provided with a plurality of branches which are respectively communicated with the first ventilation opening and the second ventilation opening;
the waste gas reaction tank is provided with an air inlet pipe, an air valve is arranged on the air inlet pipe, a first recovery pipe and a second recovery pipe are further arranged on the waste gas reaction tank, the first recovery pipe and the central mechanism are communicated, and the second recovery pipe and the mold are communicated.
9. A tire vulcanizing device according to claim 1, wherein said oil cylinder comprises a cylinder bottom, a cylinder barrel and a piston rod;
the cylinder bottom is fixedly arranged at the top of the cylinder barrel and is provided with a through oil injection hole;
the piston rod sets up in the inside of cylinder, and the top of piston rod is provided with hangs and draws the bolt hole, and the top outside cover of piston rod is equipped with the piston ring, and the outside cover of piston ring is equipped with first guidance tape, first O type circle and YX circle, and the middle part outside cover of piston rod is equipped with the guide ring, and the outside cover of guide ring is equipped with wide guidance tape, and the bottom outside cover of piston rod is equipped with second guidance tape and second O type circle, the bottom of piston rod with fixed connection sets up between the top of first last mould.
10. A vulcanization process using the tire vulcanizing device according to claim 1, characterized by comprising the steps of:
step 1, respectively placing a capsule or an embryo supporting machine on the tops of a first lower die and a second lower die according to the size of a tire to be vulcanized so as to fixedly connect the capsule or the embryo supporting machine with an inner ring;
step 2, correspondingly placing the tire to be vulcanized on the outer side of the capsule or the blank supporting machine;
step 3, starting the oil cylinder to enable the piston rod to move downwards to push the first upper die to move downwards, and enabling the second upper die to move downwards simultaneously under the action of the hanging rod to vulcanize the tire;
step 4, simultaneously electrifying the first upper die heating plate, the first lower die heating plate, the second upper die heating plate, the second lower die heating plate and the heating pipe, and vulcanizing the tire in an electric heating mode;
step 5, simultaneously sucking the smoke in the first dust cover, the second dust cover, the third dust cover and the fourth dust cover into the waste gas reaction tank through the first ventilation opening and the second ventilation opening, opening an air valve, and after air enters the waste gas reaction tank, enabling the gas in the waste gas reaction tank to react in a combustion and cracking mode respectively;
and 6, respectively introducing the gas in the waste gas reaction tank into the central mechanism through a first recovery pipe for internal pressure inflation, and introducing the gas into the mold through a second recovery pipe for preheating the green tire.
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| CN202210242016.8A CN114603754B (en) | 2022-03-11 | 2022-03-11 | Tire vulcanizing device and vulcanizing process thereof |
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| CN202210242016.8A CN114603754B (en) | 2022-03-11 | 2022-03-11 | Tire vulcanizing device and vulcanizing process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116653331A (en) * | 2023-07-31 | 2023-08-29 | 山东力创模具股份有限公司 | Tire vulcanizer and use method thereof |
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| CN116653331B (en) * | 2023-07-31 | 2023-09-29 | 山东力创模具股份有限公司 | Tire vulcanizer and use method thereof |
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