CN114603894A

CN114603894A - Mold heating structure, vulcanizing machine and mold replacing method of vulcanizing machine

Info

Publication number: CN114603894A
Application number: CN202011420510.6A
Authority: CN
Inventors: 付长利; 周传海; 袁可; 戴长奇; 张学兴
Original assignee: Mesnac Co Ltd; Qingdao Mesnac Electromechanical Engineering Co Ltd
Current assignee: Mesnac Co Ltd; Qingdao Mesnac Electromechanical Engineering Co Ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2022-06-10

Abstract

The invention provides a mold heating structure, a vulcanizing machine and a mold replacing method of the vulcanizing machine, wherein the mold heating structure is used for heating a mold in a vulcanizing chamber, and the mold heating structure comprises: the air inlet pipe and/or the air outlet pipe are arranged at the top of the vulcanizing chamber and are respectively connected with the mold in the vulcanizing chamber so as to heat the mold by introducing gas with a preset temperature into a heating cavity of the mold; the first sealing assembly is arranged between the air inlet pipe and the vulcanizing chamber; and the second sealing assembly is arranged between the air outlet pipe and the vulcanizing chamber. The heating structure of the mold solves the problems that the mold needs to be replaced and the mold sleeve is installed in a return pipe and the air leakage of the vulcanizing chamber exists in the prior art, and improves the mold replacing efficiency.

Description

Mold heating structure, vulcanizing machine and mold replacing method of vulcanizing machine

Technical Field

The invention relates to the technical field of rubber product manufacturing, in particular to a mold heating structure, a vulcanizing machine and a mold replacing method of the vulcanizing machine.

Background

The existing vulcanizing machine can generate smoke dust, waste gas and steam when vulcanizing the green tire of the tire, the smoke gas and the waste gas leak to the outside of a vulcanizing chamber to cause the vulcanizing workshop to be full of peculiar smell, and the temperature in the workshop can be increased after the steam is leaked out, so that the working environment of the vulcanizing workshop is worse.

To the above problems, in the prior art, an air extractor is arranged on a vulcanizing machine to uniformly suck the flue gas away by an air suction device before the cover of the vulcanizing machine is opened after the tire is vulcanized, so as to perform centralized processing.

In addition, the tire to different models needs different moulds to be processed, and because its structural parameters such as height and diameter of different moulds are different, so if change the mould can make heating structure on the vulcanizer of current unable and the mould of change match, and change at every turn and all need dismouting die sleeve steam to advance the return pipe. Therefore, the existing vulcanizing machine can not meet the production of tires with different specifications, and has the advantages of single function and low universality.

Disclosure of Invention

The invention mainly aims to provide a mold heating structure, a vulcanizing machine and a method for replacing a vulcanizing machine mold, so as to solve the problem of air leakage of the vulcanizing machine in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a mold heating structure for heating a mold in a vulcanization chamber, the mold heating structure comprising: the first air inlet pipe and/or the first air outlet pipe are/is arranged at the top of the vulcanizing chamber and are/is respectively connected with a mold in the vulcanizing chamber so as to heat the mold by introducing gas with a preset temperature into a heating cavity of the mold; the first sealing assembly is arranged between the first air inlet pipe and the vulcanizing chamber and/or between the first air outlet pipe and the vulcanizing chamber.

Further, the first seal assembly includes: first sealing washer, first sealing washer set up the cover and establish on first intake pipe or set up in the first heating port of vulcanization room, and first intake pipe is connected with first heating port through first sealing washer, and/or third sealing washer, and the third sealing washer sets up in first outlet duct or sets up in the first thermovent of vulcanization room, and first outlet duct passes through the third sealing washer and is connected with first thermovent.

Furthermore, a first mounting groove is formed in the outer wall surface of the first air inlet pipe, and a first sealing ring is arranged in the first mounting groove, wherein at least part of the first sealing ring is positioned on the outer side of the first mounting groove; all be equipped with the third mounting groove on the outer wall of first outlet duct, the third sealing washer sets up in the third mounting groove of first intake pipe, and wherein, at least part on the third sealing washer is located the outside of third mounting groove.

Further, the mold heating structure further includes: the second air inlet pipe and/or the second air outlet pipe are/is arranged on the circumferential side surface of the vulcanizing chamber and are/is respectively connected with the mold in the vulcanizing chamber so as to heat the mold by introducing gas with a preset temperature into a heating cavity of the mold; and the second sealing assembly is arranged between the second air inlet pipe and the vulcanizing chamber and/or between the second air outlet pipe and the vulcanizing chamber.

Further, the second seal assembly includes: the second sealing ring is sleeved in a second air inlet pipe or a second heating port of the vulcanizing chamber, the second air inlet pipe is connected with the second heating port through the second sealing ring, and/or a fourth sealing ring is arranged in a second air outlet pipe or a second heat dissipation port of the vulcanizing chamber, and the second air outlet pipe is connected with the second heat dissipation port through the fourth sealing ring.

Furthermore, a second mounting groove is formed in the outer wall surface of the second air inlet pipe, and a second sealing ring is arranged in the second mounting groove, wherein at least part of the second sealing ring is positioned on the outer side of the second mounting groove; and a fourth mounting groove is formed in the outer wall surface of the second air outlet pipe, a fourth sealing ring is arranged in the fourth mounting groove, and at least part of the fourth sealing ring is positioned on the outer side of the fourth mounting groove.

Further, the mold heating structure further includes: the third sealing assembly is arranged on the first air inlet pipe and/or between the first air outlet pipe and the mold; and the fourth sealing assembly is arranged between the second air inlet pipe and/or the second air outlet pipe and the mold.

According to a second aspect of the present invention, a vulcanizing machine comprises a vulcanizing chamber and a mold, wherein the mold is arranged in the vulcanizing chamber to shape a tire, the vulcanizing machine further comprises a mold heating structure, the mold heating structure is arranged at the top of the vulcanizing chamber to heat the mold, and the mold heating structure is the mold heating structure.

Furthermore, the vulcanizing chamber comprises a top plate and a side wall, the top plate is arranged at the top of the side wall and forms a vulcanizing cavity with the side wall in an enclosing mode, a first heating opening and a first heat dissipation opening are formed in the top plate, a first air inlet pipe of the mold heating structure penetrates through the first heating opening to be connected with the mold, and a first air outlet pipe of the mold heating structure penetrates through the first heat dissipation opening to be connected with the mold; and a second heating opening and a second heat dissipation opening are formed in the side wall, a second air inlet pipe of the mold heating structure penetrates through the second heating opening to be connected with the mold, and a second air outlet pipe of the mold heating structure penetrates through the second heat dissipation opening to be connected with the mold.

Further, the mould includes first die body and second die body, and the vulcanizer still includes: the driving oil cylinder is in driving connection with the first mold body, the second mold body is fixed in the vulcanizing chamber, and the driving oil cylinder drives the first mold body to be close to or far away from the second mold body; the heating cavity is arranged on a side plate of the first die body and is connected end to end around the side plate to form a sealed annular cavity.

According to a third aspect of the present invention, a method for changing a mold of a vulcanizer, for installing a mold in the vulcanizer described above, wherein the mold is provided with a first heating port and a first heat dissipating port, comprises:

step S1: arranging a first heating port of the mold corresponding to a first air inlet pipe of a mold heating structure in a vulcanizing machine, and arranging a first heat dissipation port of the mold corresponding to a first air outlet pipe of the mold heating structure in the vulcanizing machine;

step S2: and connecting the mold with a driving oil cylinder in a vulcanizing machine.

The mold heating structure is mainly used for heating a tire vulcanization mold to soften a tire at high temperature in the mold, high-temperature steam is used as a heat source when the mold is heated, specifically, the mold is arranged in the vulcanization chamber, a first air inlet pipe and a first air outlet pipe are arranged on a top plate at the top of the vulcanization chamber and respectively penetrate through the vulcanization chamber to be connected with the mold, and in order to prevent gas leakage of the tire in the vulcanization process, first sealing components are arranged between the first air inlet pipe and the vulcanization chamber and between the first air outlet pipe and the vulcanization chamber to prevent the gas from leaking out from a gap between the first air inlet pipe and the vulcanization chamber or a gap between the first air outlet pipe and the vulcanization chamber, so that the problem of gas leakage of the vulcanization chamber is solved. In addition, in order to fully utilize the vulcanizing machine, the vulcanizing machine can process tires of different models, so the vulcanizing machine is modified to be suitable for molds suitable for the tires of different models, however, the change of the mold provides a new challenge for the existing vulcanizing chamber, because the positions of the heated air inlet and the heated air outlet of different molds are different, the heating structure on the existing vulcanizing chamber cannot be butted with the molds of different models, in order to solve the problem, the first air inlet pipe and the first air outlet pipe are arranged above the vulcanizing chamber and are close to the center of the vulcanizing chamber, specifically, the distance between the first air inlet pipe and the first air outlet pipe and the center of the vulcanizing chamber is less than the radius of the tire of the minimum size, so even the mold of the minimum tire can also be provided with communication ports connected with the first air inlet pipe and the first air outlet pipe at the positions corresponding to the first air inlet pipe and the first air outlet pipe, the problem of change mould can't match with vulcanization room mould heating structure is solved, retooling efficiency has been improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of the vulcanizer according to the present invention.

Wherein the figures include the following reference numerals:

10. a vulcanization chamber; 11. a first heating port; 12. a second heat dissipation port; 13. a top plate; 14. a side wall; 20. a first intake pipe; 21. a first air outlet pipe; 30. a second intake pipe; 31. a second air outlet pipe; 40. a second seal assembly; 50. a third seal assembly; 60. a first mold body; 70. a driving oil cylinder; 80. a first seal assembly.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The invention provides a mold heating structure, a vulcanizing machine and a vulcanizing machine mold replacing method, aiming at solving the problem of air leakage of the vulcanizing machine in the prior art.

Referring to fig. 1, a mold heating structure for heating a mold in a vulcanizing chamber 10 includes: the device comprises a first air inlet pipe 20, a first air outlet pipe 21 and a first sealing assembly 80, wherein the first air inlet pipe 20 and/or the first air outlet pipe 21 are/is arranged at the top of the vulcanizing chamber 10 and are/is respectively connected with a mold in the vulcanizing chamber 10, so that the mold is heated by introducing gas with a preset temperature into a heating cavity of the mold; the first sealing assembly is arranged between the first inlet duct 20 and the vulcanisation chamber 10 and/or between the first outlet duct 21 and the vulcanisation chamber 10.

The invention provides a mold heating structure, which is mainly used for heating a tire vulcanization mold to soften a tire at high temperature in the mold, and when the mold is heated, high-temperature steam is used as a heat source, specifically, the mold is arranged in a vulcanization chamber 10, a first air inlet pipe 20 and a first air outlet pipe 21 are arranged on a top plate at the top of the vulcanization chamber and respectively penetrate through the vulcanization chamber 10 to be connected with the mold, in order to prevent gas leakage of the tire in the vulcanization process, first sealing components 80 are arranged between the first air inlet pipe 20 and the vulcanization chamber 10 and between the first air outlet pipe 21 and the vulcanization chamber to prevent the gas from leaking out from a gap between the first air inlet pipe 20 and the vulcanization chamber 10 or a gap between the first air outlet pipe 21 and the vulcanization chamber 10, and the problem of gas leakage of the vulcanization chamber is solved.

In addition, in order to fully utilize the vulcanizing machine, so that the vulcanizing machine can process tires of different models, the vulcanizing machine is modified to adapt to molds suitable for the tires of different models, however, changing the molds presents a new challenge to the existing vulcanizing chamber 10, because the positions of heated air inlets and heated air outlets of different molds are different, the heating structure on the existing vulcanizing chamber 10 cannot be butted with the molds of different models, and in order to solve the above problem, the first air inlet pipe 20 and the first air outlet pipe 21 are arranged above the vulcanizing chamber 10 and are close to the center of the vulcanizing chamber 10, specifically, the distance between the first air inlet pipe 20 and the first air outlet pipe 21 and the center of the vulcanizing chamber 10 is less than the radius of the tire of the minimum size, so that even the mold of the minimum tire can be provided with communication ports at the positions corresponding to the first air inlet pipe 20 and the first air outlet pipe 21 to be connected with the first air inlet pipe 20 and the first air outlet pipe 21, the problem that the heating structure of the mold can not be matched with that of the vulcanization chamber 10 is solved, and the mold changing efficiency is improved.

The first seal assembly includes: first sealing washer, first sealing washer set up the cover and establish on first intake pipe 20 or set up in the first heating mouth 11 of vulcanization room 10, and first intake pipe 20 is connected with first heating mouth 11 through first sealing washer, and/or third sealing washer, and the third sealing washer sets up in first outlet duct 21 or sets up in the first thermovent of vulcanization room 10, and first outlet duct 21 passes through the third sealing washer and is connected with first thermovent. A first mounting groove is formed in the outer wall surface of the first air inlet pipe 20 and/or the first air outlet pipe 21, and a first sealing ring is arranged in the first mounting groove, wherein at least part of the first sealing ring is positioned outside the first mounting groove; all be equipped with the third mounting groove on the outer wall of first outlet duct 21, the third sealing washer sets up in the third mounting groove of first intake pipe 20, and wherein, at least part on the third sealing washer is located the outside of third mounting groove.

As shown in fig. 1, in this embodiment, in order to prevent gas from leaking between the first gas inlet pipe 20 of the mold heating structure and the vulcanizing chamber 10, a circle of first sealing ring is sleeved outside the first gas inlet pipe 20 to hermetically connect the first gas inlet pipe 20 and the first heating port 11, in order to facilitate fixing of the first sealing ring, a first mounting groove is provided outside the first gas inlet pipe 20, the first mounting groove is a groove formed in a circle around the first gas inlet pipe 20, and the first sealing ring is mounted in the groove and partially exposed outside the groove; the structural arrangement between the first outlet duct 21 and the first heat dissipation opening is similar to that of the first inlet duct and the first heating opening.

In addition, first mounting groove and first sealing washer all can set up to a plurality ofly to set up one-to-one, in order to strengthen sealed effect.

When the wall thickness of the first air inlet pipe 20 is relatively thin, the first sealing ring may also be disposed on the inner wall of the first heating port 11, and specifically, a groove is disposed on the inner wall of the first heating port 11 for installing the first sealing ring.

The mold heating structure further includes: the second air inlet pipe 30 and the second air outlet pipe 31 are arranged on the circumferential side face of the vulcanization chamber 10, and the second air inlet pipe 30 and/or the second air outlet pipe 31 are/is respectively connected with a mold in the vulcanization chamber 10 so as to heat the mold by introducing gas with a preset temperature into a heating cavity of the mold; and a second sealing assembly 40, which is arranged between the second air inlet pipe 30 and the vulcanizing chamber 10 and/or between the second air outlet pipe 31 and the vulcanizing chamber 10. The second seal assembly 40 includes: the second sealing ring is sleeved on the second air inlet pipe 30 or arranged in a second heating opening of the vulcanizing chamber 10, the second air inlet pipe 30 is connected with the second heating opening through the second sealing ring, and/or the fourth sealing ring is arranged in the second air outlet pipe 31 or in a second heat dissipation opening 12 of the vulcanizing chamber 10, and the second air outlet pipe 31 is connected with the second heat dissipation opening 12 through the fourth sealing ring.

As shown in fig. 1, in this embodiment, two sets of air inlet and outlet pipelines are provided in the vulcanizing chamber, one set is located above, the other set is located on the side surface of the vulcanizing chamber, that is, on the side wall of the vulcanizing chamber, the set of air inlet and outlet pipelines includes a second air inlet pipe and a second air outlet pipe, the second air inlet pipe is arranged at the second heating port, the second air outlet pipe is arranged at the second heat dissipation port, and the second air inlet pipe and the second heating port and the second air outlet pipe and the second heat dissipation port are respectively sealed by sealing rings to ensure that no air leakage occurs.

The mould heating structure still includes: and the third sealing assembly 50 is arranged on the first air inlet pipe 20 and/or the fourth sealing assembly of the first air outlet pipe 21 and the mold, and the fourth sealing assembly is arranged between the second air inlet pipe 30 and/or the second air outlet pipe 31 and the mold.

In the above embodiment, a scheme of sealing connection between the first air inlet pipe 20, the first air outlet pipe 21, the second air inlet pipe 30 and the second air outlet pipe 31 and the vulcanizing chamber 10 is provided, further, the first air inlet pipe 20, the first air outlet pipe 21, the second air inlet pipe 30 and the second air outlet pipe 31 of the mold heating structure in this embodiment are further connected with the mold, in order to enable the mold to have a good high-temperature pressurization effect on the tire and ensure a vacuum environment after air suction in the mold, a third sealing assembly 50 is also provided between the first air inlet pipe 20, the first air outlet pipe 21, the second air inlet pipe 30, the second air outlet pipe 31 and the mold to seal, specifically, the third sealing assembly 50 includes a plurality of sealing rings, and the plurality of sealing rings are respectively located between the pipeline and the mold to ensure a sealing effect of the mold.

The invention also provides a vulcanizing machine which comprises a vulcanizing chamber 10 and a mold, wherein the mold is arranged in the vulcanizing chamber 10 to shape the tire, the vulcanizing machine also comprises a mold heating structure, the mold heating mechanism is arranged at the top of the vulcanizing chamber 10 to heat the mold, and the mold heating structure is the mold heating structure.

The invention also provides a modified vulcanizing machine which heats the tire vulcanizing mold through the mold heating structure so as to enable the green tire in the mold to generate chemical reaction and soften.

In addition, in order to heat the tire in all directions, the vulcanizing machine is further provided with a heating plate assembly on the machine body, the heating plate assembly comprises an upper heating plate and a lower heating plate, the mold is positioned between the upper heating plate and the lower heating plate, the mold heats the side surface of the tire, and the heating plate assembly heats the upper surface and the lower surface of the tire.

Vulcanization room 10 includes roof 13 and lateral wall 14, roof 13 sets up at the top of lateral wall 14 and encloses into the vulcanization chamber with lateral wall 14, wherein, be equipped with first heating port 11 and first thermovent on the roof 13, the first intake pipe 20 of mould heating structure passes first heating port 11 and is connected with the mould, first outlet duct 21 passes first thermovent and is connected with the mould, be equipped with second heating port and second thermovent 12 on the lateral wall 14, the second intake pipe 30 of mould heating structure passes the second heating port and is connected with the mould, the second outlet duct 31 of mould heating structure passes second thermovent 12 and is connected with the mould.

As shown in fig. 1, the vulcanizing chamber 10 in this embodiment includes a plurality of portions, wherein the side wall 14 is a cylindrical structure, the upper end of the side wall 14 closed by the top plate 13, in order to ensure that the vulcanizing chamber 10 can use a plurality of molds of different models, a first heating port 11 is provided on the top plate 13, a first air inlet pipe 20 is vertically inserted into the first heating port 11, a conversion joint is further provided in the vulcanizing chamber 10, the first air inlet pipe 20 is connected with the conversion joint so as to communicate with the mold, a second heat dissipating port 12 is provided on the side wall 14, and an air outlet is horizontally inserted into the second heat dissipating port 12 so as to be connected with an air outlet of the mold.

Be equipped with air inlet, gas outlet and heating chamber on the mould, first intake pipe 20 on the mould heating structure is connected with the air inlet to let in the gas of predetermineeing the temperature in the heating chamber through the air inlet, second outlet duct 31 on the mould heating structure is connected with the gas outlet, so that the gas in the heating chamber discharges through the gas outlet.

The mould heating structure in this embodiment adopts high temperature steam to heat, and heating temperature is high, and is effectual.

The mold includes a first mold body 60 and a second mold body, and the vulcanizer further includes: the driving oil cylinder 70 is in driving connection with the first mold body 60, the second mold body is fixed in the vulcanizing chamber 10, and the driving oil cylinder 70 drives the first mold body 60 to be close to or far away from the second mold body; heating chambers are provided in the side plates of the first die body 60 and are connected end to end around the side plates to form a sealed annular chamber.

The mold in this embodiment is divided into an upper mold body and a lower mold body, wherein the upper first mold body 60 is connected with the driving oil cylinder 70, the lower second mold body is fixed at the bottom of the vulcanizing chamber 10, and the driving oil cylinder 70 drives the first mold body 60 to move up and down relative to the second mold body, so as to open or form the pipe wall mold body. The heating cavity in the mold heating structure is positioned on the side surface of the mold, positioned in the side plate of the mold and surrounds the side wall for a circle, and the side plate of the mold body is of a circular barrel structure.

A mold replacing method of a vulcanizing machine is used for installing a mold into the vulcanizing machine, wherein a first heating port 11 and a first heat radiating port are arranged on the mold, and the mold replacing method of the vulcanizing machine comprises the following steps: step S1: arranging a first heating port 11 of the mold corresponding to a first air inlet pipe 20 of a mold heating structure in a vulcanizing machine, and arranging a first heat dissipation port of the mold corresponding to a first air outlet pipe 21 of the mold heating structure in the vulcanizing machine; step S2: and connecting the mold with a driving oil cylinder in a vulcanizing machine.

The mold replacing method for the vulcanizing machine can rapidly replace molds of different models, before the molds are replaced, a heating port and a heat radiating port on the vulcanizing machine are arranged at the top of a vulcanizing chamber, a first air inlet pipe 20 of a mold heating structure is connected with the heating port, a first air outlet pipe 21 is connected with the heat radiating port, when the molds are installed, the first heating port 11 on the molds corresponds to the first air inlet pipe 20, meanwhile, the first heat radiating port corresponds to the first air outlet pipe 21, then the molds are contacted with the first air inlet pipe 20 and the first air outlet pipe 21, hot air entering from the first air inlet pipe 20 enters the molds through the first heating port 11 to heat tires in the molds, and the arrangement of the first heat radiating port and the first air outlet pipe 21 is similar to the arrangement principle of the first heating port 11 and the first air inlet pipe 20.

The horizontal distance from the first heating port 11 to the driving oil cylinder 70 on the mold is equal to the horizontal distance from one end of the first air inlet pipe 20 positioned in the vulcanization chamber 10 to the driving oil cylinder 70; the horizontal distance from the first heat dissipation opening to the driving oil cylinder 70 is equal to the horizontal distance from one end, located in the vulcanization chamber 10, of the first air outlet pipe 21 to the driving oil cylinder 70, and in order to achieve the condition, when molds of different models are arranged, the positions of the first air inlet pipe 20 and the first air outlet pipe 21 are referred to first so as to be connected with the first heating opening 11 and the first heat dissipation opening.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

The vulcanizing machine comprises a vulcanizing chamber, a vulcanizing mold and an air exhaust assembly, wherein the vulcanizing chamber is provided with a vulcanizing cavity; the vulcanizing mold is arranged in the vulcanizing cavity and comprises a first mold body and a second mold body, wherein the first mold body is movably arranged relative to the second mold body so as to form a sealing space with the second mold body when the first mold body moves close to and is connected with the second mold body; the air extraction component is arranged on the vulcanizing chamber and communicated with the vulcanizing cavity so as to extract air in the vulcanizing cavity.

The invention provides a vulcanizing machine which is mainly used for vulcanizing a tire and printing patterns on the upper surface of the tire, during the vulcanizing process, a green tire of the tire is firstly placed into a mold, then a bladder at the inner side of the mold is inflated, the tire is heated to be softened at high temperature, the bladder is positioned at the inner side of the tire, after the inflation, the tire is pressed onto the mold by applying pressure to the tire, in order to discharge the gas at the outer side of the bladder in the mold and prevent the tire from being subjected to the reverse pressure of the gas in the mold when the tire is pressurized, so that bubbles or burrs are remained on the tire, the vulcanizing chamber is provided with an air exhaust assembly, the air exhaust assembly is communicated with a vulcanizing cavity of the vulcanizing chamber to exhaust the gas in the vulcanizing chamber before or during the vulcanizing process so as to vulcanize the tire in a vacuum environment, thus the defect caused by the gas remained in the mold during the vulcanizing process is avoided, the mold is not required to be provided with exhaust holes, and the tire is not required to be subjected to tire bead removal subsequently, so that the process is saved, and the production efficiency is improved.

The invention provides a vulcanizing machine with two vulcanizing chambers, which is characterized in that two sets of vulcanizing molds and air extracting assemblies are respectively arranged for matching with the vulcanizing chambers and are respectively connected with the corresponding vulcanizing chambers, a driving mechanism is arranged on a machine body between the two vulcanizing chambers, the driving mechanism adopts an oil cylinder, and the oil cylinder is simultaneously connected with first shells of the two vulcanizing chambers so as to simultaneously drive the first shells to move up and down relative to a second shell, so that the working efficiency of the vulcanizing machine is improved, and the structure of the vulcanizing machine is more compact.

In addition, the vulcanizing machine can also be provided with 4 vulcanizing chambers and the like according to requirements.

The vulcanizer of the present invention adopts the following tire vulcanizing method: step S1: mounting a tire to be vulcanized on a second body of the vulcanization mold; step S2: moving the first mold body of the vulcanizing mold close to the second mold body, and opening an air exhaust assembly to exhaust air from a vulcanizing cavity in the vulcanizing chamber; step S3: and after the first mold body and the second mold body are closed, vulcanizing the tire. Step S2 further includes: step S21: and when the vacuum degree in the vulcanizing cavity reaches a preset value, closing the air exhaust assembly. The tire vulcanizing method further includes: step S4: after the tire is vulcanized, the first mold body is separated from the second mold body, and the air exhaust assembly is opened to exhaust air from the vulcanization cavity.

The invention provides a brand new vacuum vulcanizing machine, which improves the vulcanizing process of the vulcanizing machine, and a vulcanizing chamber is divided into an upper shell and a lower shell: first casing and second casing, vulcanization mould divide into two die bodies about: the vulcanizing machine comprises a first die body and a second die body, wherein the first die body is arranged in a first shell, the second die body is arranged on a second shell, when in vulcanization, a tire is firstly placed on the second die body, then the first shell and the first die body simultaneously descend to be close to the second die body to move, when the first die body is close to the second die body, an air exhaust component is opened to exhaust air in a space between the first shell and the second shell until the first shell and the second shell are completely closed and locked, a pressure sensor is further arranged in a vulcanizing chamber, when the vacuum degree in the vulcanizing chamber reaches a preset value, the air exhaust component is closed, the vulcanizing machine carries out vulcanization treatment on the tire in the first die body and the second die body after the first die body and the second die body are closed, after the treatment is finished, a lifting mechanism drives the first die body to move upwards to leave the second die body, then the air exhaust component starts to exhaust air to exhaust waste gas and hot gas generated during vulcanization of the vulcanizing machine, the amount of exhaust gas flowing into the vulcanization workshop is reduced, and the workshop environment is improved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mold heating structure for heating a mold in a vulcanization chamber (10), characterized by comprising:

the first air inlet pipe (20) and the first air outlet pipe (21), wherein the first air inlet pipe (20) and/or the first air outlet pipe (21) are/is arranged at the top of the vulcanizing chamber (10) and are/is respectively connected with a mold in the vulcanizing chamber (10) so as to heat the mold by introducing gas with a preset temperature into a heating cavity of the mold;

a first sealing assembly (80) arranged between the first inlet duct (20) and the vulcanisation chamber (10) and/or between the first outlet duct (21) and the vulcanisation chamber (10).

2. The mold heating structure according to claim 1, wherein the first sealing assembly (80) comprises:

the first sealing ring is arranged on the first air inlet pipe (20) in a sleeved mode or arranged in a first heating port (11) of the vulcanizing chamber (10), the first air inlet pipe (20) is connected with the first heating port (11) through the first sealing ring, and/or

And the third sealing ring is arranged in the first air outlet pipe (21) or the first heat dissipation opening of the vulcanization chamber (10), and the first air outlet pipe (21) is connected with the first heat dissipation opening through the third sealing ring.

3. The mold heating structure according to claim 2,

a first mounting groove is formed in the outer wall surface of the first air inlet pipe (20), the first sealing ring is arranged in the first mounting groove, and at least part of the first sealing ring is positioned on the outer side of the first mounting groove;

all be equipped with the third mounting groove on the outer wall of first outlet duct (21), the third sealing washer sets up first intake pipe (20) in the third mounting groove, wherein, at least part on the third sealing washer is located the outside of third mounting groove.

4. The mold heating structure according to claim 1, further comprising:

the second air inlet pipe (30) and the second air outlet pipe (31), the second air inlet pipe (30) and/or the second air outlet pipe (31) are/is arranged on the circumferential side surface of the vulcanization chamber (10) and are/is respectively connected with a mold in the vulcanization chamber (10) so as to heat the mold by introducing gas with a preset temperature into a heating cavity of the mold;

a second sealing assembly (40) arranged between the second inlet duct (30) and the vulcanisation chamber (10) and/or between the second outlet duct (31) and the vulcanisation chamber (10).

5. The mold heating structure according to claim 4, wherein the second sealing assembly (40) comprises:

a second sealing ring, the second sealing ring is sleeved on the second air inlet pipe (30) or arranged in a second heating port of the vulcanizing chamber (10), the second air inlet pipe (30) is connected with the second heating port through the second sealing ring, and/or

And the fourth sealing ring is arranged in the second air outlet pipe (31) or in a second heat dissipation opening (12) of the vulcanization chamber (10), and the second air outlet pipe (31) is connected with the second heat dissipation opening (12) through the fourth sealing ring.

6. The mold heating structure according to claim 5,

a second mounting groove is formed in the outer wall surface of the second air inlet pipe (30), and a second sealing ring is arranged in the second mounting groove, wherein at least part of the second sealing ring is positioned on the outer side of the second mounting groove;

and a fourth mounting groove is formed in the outer wall surface of the second air outlet pipe (31), a fourth sealing ring is arranged in the fourth mounting groove, and at least part of the fourth sealing ring is positioned on the outer side of the fourth mounting groove.

7. The mold heating structure according to claim 4, further comprising:

a third sealing assembly (50), the third sealing assembly (50) being arranged on the first inlet pipe (20) and/or between the first outlet pipe (21) and the mould;

a fourth sealing assembly disposed between the second inlet duct (30) and/or the second outlet duct (31) and the mould.

8. A vulcanizer comprising a vulcanization chamber (10) and a mold provided in the vulcanization chamber (10) for shaping a tire, characterized in that it further comprises a mold heating structure provided at the top of the vulcanization chamber (10) for heating the mold, the mold heating structure being as claimed in any one of claims 1 to 7.

9. Vulcanizer according to claim 8, characterized in that said vulcanization chamber (10) comprises a top plate (13) and a side wall (14), said top plate (13) being arranged at the top of said side wall (14) and enclosing a vulcanization chamber therewith, wherein,

a first heating opening (11) and a first heat dissipation opening are formed in the top plate (13), a first air inlet pipe (20) of the mold heating structure penetrates through the first heating opening (11) to be connected with the mold, and a first air outlet pipe (21) of the mold heating structure penetrates through the first heat dissipation opening to be connected with the mold;

and a second heating opening and a second heat dissipation opening (12) are formed in the side wall (14), a second air inlet pipe (30) of the mold heating structure penetrates through the second heating opening and is connected with the mold, and a second air outlet pipe of the mold heating structure penetrates through the second heat dissipation opening (12) and is connected with the mold.

10. The vulcanizer of claim 8, wherein said mold comprises a first mold body (60) and a second mold body, said vulcanizer further comprising:

the driving oil cylinder (70), the driving oil cylinder (70) is in driving connection with the first mold body (60), the second mold body is fixed in the vulcanizing chamber (10), and the driving oil cylinder (70) drives the first mold body (60) to be close to or far away from the second mold body;

the heating cavity is arranged on a side plate of the first die body (60) and is connected end to end around the side plate to form a sealed annular cavity.

11. A vulcanizer mold replacement method for installing a mold in a vulcanizer of any one of claims 8 to 10, wherein the mold is provided with a first heating port (11) and a first heat dissipating port, the vulcanizer mold replacement method comprising:

step S1: arranging a first heating port (11) of the mold corresponding to a first air inlet pipe (20) of a mold heating structure in the vulcanizing machine, and arranging a first heat dissipation port of the mold corresponding to a first air outlet pipe (21) of the mold heating structure in the vulcanizing machine;

step S2: connecting the mold with a drive cylinder (70) within the vulcanizer.