CN115635622A - Electromagnetic heating nitrogen vulcanizing device and vulcanizing method - Google Patents
Electromagnetic heating nitrogen vulcanizing device and vulcanizing method Download PDFInfo
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- CN115635622A CN115635622A CN202211067792.5A CN202211067792A CN115635622A CN 115635622 A CN115635622 A CN 115635622A CN 202211067792 A CN202211067792 A CN 202211067792A CN 115635622 A CN115635622 A CN 115635622A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention is suitable for the technical field of tire vulcanization processing, and provides electromagnetic heating nitrogen vulcanization equipment and a vulcanization method. The inner temperature inlet pipe of the inner temperature pipeline is communicated with the vulcanizing machine, the vulcanizing machine is further communicated with the outer cavity of the electromagnetic induction heater through the inner temperature return pipe of the inner temperature pipeline, and the outer cavity of the electromagnetic induction heater is in thermal circulation with the vulcanizing machine through the inner temperature pipeline to heat the capsule in the vulcanizing process. The invention is implemented in a mode that a single vulcanizing machine is provided with two sets of electromagnetic heating equipment to heat nitrogen so as to provide the internal and external temperatures required by vulcanization, and the equipment is modified to achieve the effects of reducing cost and reducing consumption.
Description
Technical Field
The invention belongs to the technical field of tire vulcanization processing, particularly relates to electromagnetic heating nitrogen vulcanization equipment and a vulcanization method, and particularly relates to a vulcanization process for providing pressure and temperature by using nitrogen electromagnetic heating in a tire vulcanization process.
Background
The existing tire industry vulcanizing machine mostly adopts a steam and nitrogen vulcanizing technology, steam is used as a heat supply source, heat loss is large in a transmission process, nitrogen is transmitted to a vulcanizing machine site through a power station pipeline after liquid nitrogen is converted into gas at present, the steam has the characteristics of easiness in fluctuation, high energy consumption, high loss and the like, and a new low-carbon, environment-friendly, stable and controllable vulcanizing technology is urgently needed in the industry.
In the prior art, the inner cavity of the tire segmented mold is generally heated and vulcanized electromagnetically, an electromagnetic induction heater is installed on the back surface of each mold drum tile, and the electromagnetic induction heater heats the mold through conversion of electric energy to heat energy, so that the tire is vulcanized. However, the existing equipment is complex in structure and high in manufacturing cost, equipment upgrading and transformation cannot be achieved on the existing equipment, the popularization value is not high, meanwhile, the heat control uniformity of the electromagnetic heating drum tile is relatively poor, and the appearance quality problem of the vulcanized tire is adversely affected.
Disclosure of Invention
In order to solve the problems of high energy consumption and heavy pollution of steam vulcanization and combine the comprehensive consideration of factors such as the condition of the existing vulcanizing machine, the condition of a formwork and the like, the invention provides the electromagnetic heating nitrogen vulcanizing equipment and the vulcanizing method.
The invention is realized in this way, an electromagnetic heating nitrogen vulcanizing device, including circulating fan, electromagnetic induction heater and vulcanizer, wherein, the invention is suitable for the tire vulcanization processing technology field, has provided an electromagnetic heating nitrogen vulcanizing device and vulcanization method, the apparatus includes circulating fan, electromagnetic induction heater and vulcanizer, wherein, the said electromagnetic induction heater includes the inner temperature pipeline communicated with internal cavity of the said electromagnetic induction heater and outer temperature pipeline communicated with internal cavity of the said electromagnetic induction heater; the outer temperature inlet pipe of the outer temperature pipeline is communicated with the vulcanizing machine, the vulcanizing machine is further communicated with the outer cavity of the electromagnetic induction heater through the outer temperature return pipe of the outer temperature pipeline, and the outer cavity of the electromagnetic induction heater is thermally circulated between the vulcanizing machine and the outer temperature pipeline to preheat the mold. The inner temperature inlet pipe of the inner temperature pipeline is communicated with the vulcanizing machine, the vulcanizing machine is further communicated with the outer cavity of the electromagnetic induction heater through the inner temperature return pipe of the inner temperature pipeline, and the outer cavity of the electromagnetic induction heater is in thermal circulation with the vulcanizing machine through the inner temperature pipeline to heat the capsule in the vulcanizing process.
As a further scheme of the invention, the electromagnetic induction heater is connected with a high-pressure nitrogen inlet pipe, a pressure regulating device is arranged on the high-pressure nitrogen inlet pipe, and the pressure regulating device is used for realizing that the vulcanization pressure reaches the standard pressure step by step.
As a further scheme of the invention, the electromagnetic induction heater is respectively communicated with the vulcanizing machine through an inner temperature pipeline and an outer temperature pipeline, the electromagnetic induction heater is installed below a machine table of the vulcanizing machine, and the electromagnetic induction heater is used for heating a vulcanizing medium instead of directly heating a mold, so that energy transmission loss and fluctuation are reduced.
As a further scheme of the invention, a pneumatic film regulating valve for controlling according to the feedback of an external temperature outlet temperature signal of the electromagnetic induction heater is arranged at the external temperature inlet end of the vulcanizing machine, and the temperature of an external temperature pipeline is regulated by controlling the opening degree of the pneumatic film regulating valve.
As a further scheme of the invention, an external temperature outlet signal temperature detection device is arranged on an external temperature return pipe of an external temperature pipeline at the external temperature outlet end of the vulcanizing machine and used for detecting an external temperature outlet signal and feeding the external temperature outlet signal back to the circulating fan, and the temperature is controlled by adjusting the rotating speed of the circulating fan.
As a further scheme of the present invention, a setting/nitrogen feeding conversion three-way valve is installed on an inner temperature feeding pipe of the inner temperature pipeline of the electromagnetic induction heater, the setting/nitrogen feeding conversion three-way valve is further connected to a vacuum pipe, an inner temperature circulation/nitrogen recovery conversion three-way valve is installed on a return pipe of the inner temperature pipeline, and the inner temperature circulation/nitrogen recovery conversion three-way valve is further connected to a nitrogen recovery pipe, a main exhaust pipe and a vacuum pipe.
As a further scheme of the invention, an inlet temperature measuring device is installed at an inner temperature inlet pipe orifice of an inner temperature pipeline of the electromagnetic induction heater, and is used for measuring a temperature signal of the inner temperature inlet pipe orifice of the inner temperature pipeline and feeding the temperature signal back to the electromagnetic induction heater; and an outlet temperature measuring device is arranged at the outlet pipe orifice of the internal temperature pipeline of the vulcanizing machine and is used for measuring the temperature signal of the internal temperature return pipe orifice of the internal temperature pipeline and feeding the temperature signal back to the circulating fan.
As a further scheme of the invention, the inner temperature inlet pipe of the electric inner temperature pipeline is communicated with a shaping nitrogen inlet pipe for shaping by shaping nitrogen before vulcanization.
The invention also provides an electromagnetic heating nitrogen vulcanization method, which comprises the following steps:
step one, preheating at external temperature
Starting an electromagnetic induction heater to work, wherein an outer temperature inlet pipe of an outer temperature pipeline connected with the electromagnetic induction heater is communicated with a vulcanizing machine, signals for detecting the outlet temperature of the electromagnetic induction heater and the temperature of the outer temperature pipeline are fed back to a circulating fan, and the temperature is controlled by adjusting the rotating speed of the circulating fan;
step two, heating and vulcanizing at internal temperature
After vulcanization starts, the inner temperature pipeline between the electromagnetic induction heater and the vulcanizing machine forms a loop by opening and closing the shaping/nitrogen inlet conversion three-way valve and the inner temperature circulation/nitrogen recovery conversion three-way valve on the inner temperature pipeline, the electromagnetic induction heater heats and starts the circulating fan, and hot nitrogen circularly flows in the electromagnetic induction heater and the capsule to perform vulcanization operation.
As a further scheme of the invention, the inlet temperature measuring device is used for measuring the temperature signal of the internal temperature inlet pipe orifice of the internal temperature pipeline and feeding the temperature signal back to the electromagnetic induction heater, and the inlet temperature measuring device is used for measuring the input temperature of the internal temperature inlet pipe orifice of the internal temperature pipeline to be 220 ℃.
As a further scheme of the invention, the outlet temperature measuring device is used for measuring the temperature of the internal temperature return pipe orifice of the internal temperature pipeline at 199 ℃ in the temperature rising stage and 180 ℃ in the temperature preservation stage, and the detected temperature signal is fed back to the circulating fan. In order to ensure that the tire blank framework material is uniformly stretched during vulcanization, the vulcanization pressure reaches the standard pressure step by step through the pressure regulating device.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
according to the electromagnetic heating nitrogen vulcanizing device and the vulcanizing method, high-pressure nitrogen is heated in an electromagnetic mode, the circulating fan is used for internal circulating heat exchange, the rotating speed of the circulating fan is adjusted, the temperature of the nitrogen is controlled, the pressure adjusting device is additionally arranged on the nitrogen inlet pipeline, the vulcanizing pressure is achieved step by step to reach the standard pressure, the long-distance pipeline energy conveying mode is cancelled, and the device is arranged below a machine table, so that the energy conveying loss and fluctuation are reduced; the nitrogen is heated by adopting a single vulcanizer and two sets of electromagnetic heating equipment, the internal and external temperatures required by vulcanization are respectively provided, the equipment is modified to achieve the effects of reducing cost and reducing consumption, the power consumption of the equipment adopting the process is about 20 degrees/hour under the condition of meeting the existing temperature, the factors such as heat loss of the equipment and pipelines are comprehensively considered, and the maximum power consumption is lower than 30 degrees/hour. Compared with steam, the cost is greatly reduced.
Drawings
FIG. 1 is a schematic view of an electromagnetic heating nitrogen vulcanizing device and an external heating method in a vulcanizing method provided by the invention.
FIG. 2 is a schematic diagram of internal temperature heating in the electromagnetic heating nitrogen vulcanizing device and the vulcanizing method provided by the invention.
Reference numerals (fig. 1):
1-circulating fan, 2-electromagnetic induction heater, 3-left hot plate of vulcanizer, 4-right hot plate of vulcanizer, 5-die sleeve, 6-low pressure nitrogen inlet pipe, 7-external temperature inlet pipe, and 8-external temperature return pipe.
Reference numerals (fig. 2):
1-circulating fan, 2-electromagnetic induction heater, 9-vulcanizer, 10-internal temperature inlet pipe, 11-internal temperature return pipe, 12-high pressure nitrogen inlet pipe, 13-internal temperature circulation/nitrogen recovery conversion three-way valve, 14-shaping/nitrogen inlet conversion three-way valve, 15-shaping nitrogen inlet pipe, 16-nitrogen recovery pipe, 17-main calandria, 18-vacuum pumping pipe, 19-inlet temperature measuring device and 20-outlet temperature measuring device.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
As shown in fig. 1, an embodiment of the present invention provides an electromagnetic heating nitrogen vulcanizing device, which includes a circulating fan 1, an electromagnetic induction heater 2, a vulcanizer left hot plate 3, a vulcanizer right hot plate 4, and a mold sleeve 5, wherein the electromagnetic induction heater 2 includes an external temperature inlet pipe 7 communicated with an external cavity of the electromagnetic induction heater 2; the outer temperature inlet pipe 7 is respectively communicated with the vulcanizer left hot plate 3, the vulcanizer right hot plate 4 and the die sleeve 5, the vulcanizer left hot plate 3, the vulcanizer right hot plate 4 and the die sleeve 5 are respectively communicated with the external cavity of the electromagnetic induction heater 2 through the outer temperature return pipe 8, and the external cavity of the electromagnetic induction heater 2 is thermally circulated between the vulcanizer left hot plate 3, the vulcanizer right hot plate 4 and the die sleeve 5 through the outer temperature inlet pipe 7 and the outer temperature return pipe 8 to preheat the die.
In the embodiment of the invention, the electromagnetic induction heater 2 is connected with a low-pressure nitrogen inlet pipe 6, and a pressure regulating device is arranged on the low-pressure nitrogen inlet pipe 6 and is used for realizing that the vulcanization pressure reaches the standard pressure step by step.
As shown in fig. 2, an embodiment of the present invention provides an electromagnetic heating nitrogen vulcanizing device, which includes a circulating fan 1, an electromagnetic induction heater 2, and a vulcanizer 9, wherein the electromagnetic induction heater 2 includes an internal temperature inlet pipe 10 communicated with an internal cavity of the electromagnetic induction heater 2, the internal temperature inlet pipe 10 is communicated with the vulcanizer 9, the vulcanizer 9 is further communicated with the internal cavity of the electromagnetic induction heater 2 through an internal temperature return pipe 11, the circulating fan 1 is installed in the internal cavity of the electromagnetic induction heater 2, and internal circulation heat exchange is performed between the internal cavity of the electromagnetic induction heater 2 and the vulcanizer 9 through the internal temperature inlet pipe 10 and the internal temperature return pipe 11 when the circulating fan 1 is started.
In the embodiment of the invention, the electromagnetic induction heater 2 is connected with a high-pressure nitrogen inlet pipe 12, and a pressure regulating device is arranged on the high-pressure nitrogen inlet pipe 12 and is used for realizing that the vulcanization pressure reaches the standard pressure step by step.
In the embodiment of the present invention, the electromagnetic induction heater 2 is communicated with the vulcanizer 9 via an internal temperature inlet pipe 10 and an internal temperature return pipe 11, thereby heating the internal temperature. The electromagnetic induction heater 2 is communicated with the vulcanizing machine 9 through an internal temperature circulation/nitrogen recovery conversion three-way valve 13 and a shaping/nitrogen inlet conversion three-way valve 14, and external temperature heating is achieved. The electromagnetic induction heater 2 is arranged below a machine table of the vulcanizing machine 9, and the electromagnetic induction heater 2 is used for heating a vulcanizing medium instead of directly heating a mold and a capsule, so that energy transmission loss and fluctuation are reduced.
In the embodiment of the invention, a pneumatic film regulating valve for controlling according to the feedback of the temperature signal of the external temperature outlet of the electromagnetic induction heater 2 is arranged at the external temperature inlet end of the vulcanizer 9, and the temperature of the internal temperature return pipe 11 is regulated by controlling the opening degree of the pneumatic film regulating valve.
And an external temperature outlet signal temperature detection device is arranged on the internal temperature return pipe 11 at the external temperature outlet end of the vulcanizer 9 and used for detecting an external temperature outlet signal and feeding the external temperature outlet signal back to the circulating fan 1, and the temperature is controlled by adjusting the rotating speed of the circulating fan 1.
In the embodiment of the present invention, a setting/nitrogen inlet switching three-way valve 14 is installed on the inner temperature inlet pipe 10 of the electromagnetic induction heater 2, the setting/nitrogen inlet switching three-way valve 14 is further connected to a setting nitrogen inlet pipe 15, an inner temperature circulation/nitrogen recovery switching three-way valve 13 is installed on the inner temperature return pipe 11, and the inner temperature circulation/nitrogen recovery switching three-way valve 13 is further connected to a nitrogen recovery pipe 16, a main exhaust pipe 17 and a vacuum pumping pipe 18.
In the embodiment of the invention, an inlet temperature measuring device 19 is installed at the opening of the inner temperature inlet pipe 10 of the electromagnetic induction heater 2, and the inlet temperature measuring device 19 is used for measuring the temperature signal of the opening of the inner temperature inlet pipe 10 and feeding back the temperature signal to the electromagnetic induction heater 2; an outlet temperature measuring device 20 is installed at the mouth of the inner temperature outlet pipe of the vulcanizing machine 9, and the outlet temperature measuring device 20 is used for measuring the temperature signal of the mouth of the inner temperature return pipe 11 and feeding the temperature signal back to the circulating fan 1.
In the embodiment of the present invention, the inner temperature inlet pipe 10 is communicated with a shaping nitrogen inlet pipe 15 for shaping by shaping nitrogen before vulcanization.
The invention also provides an electromagnetic heating nitrogen vulcanization method, which comprises the following steps:
step one, external temperature preheating
Starting an electromagnetic induction heater 2 to work, wherein an external temperature inlet pipe 7 connected with the electromagnetic induction heater 2 is communicated with a vulcanizing machine left hot plate 3, a vulcanizing machine right hot plate 4 and a die sleeve 5 outside a vulcanizing machine 9, and meanwhile, a signal for detecting the temperature of an outlet of the electromagnetic induction heater 2 is fed back to the electromagnetic induction heater 2, and the temperature is controlled by adjusting the power of the electromagnetic induction heater 2;
in the vulcanizing operation stage, the fan runs at a high rotating speed, the temperature signal of the external temperature outlet of the electromagnetic induction heater 2 is fed back to the pneumatic film regulating valve at the inlet end of the vulcanizing machine 9, and the temperature is regulated through the opening degree of the pneumatic film regulating valve;
step two, heating and vulcanizing at internal temperature
After vulcanization starts, the internal temperature inlet pipe 10 and the internal temperature return pipe 11 between the electromagnetic induction heater 2 and the vulcanizing machine 9 form a loop by opening and closing the shaping/nitrogen inlet conversion three-way valve 14 on the internal temperature inlet pipe 10 and the internal temperature circulation/nitrogen recovery conversion three-way valve 13 on the internal temperature return pipe 11, the electromagnetic induction heater 2 heats and starts the circulating fan 1, and hot nitrogen circularly flows in the electromagnetic induction heater 2 and the capsule to perform vulcanization operation.
In the embodiment of the present invention, the inlet temperature measuring device 19 is configured to measure a temperature signal of the opening of the internal temperature inlet pipe 10 and feed the temperature signal back to the electromagnetic induction heater 2, and the inlet temperature measuring device 19 is configured to measure an input temperature of the opening of the internal temperature inlet pipe 10 as 220 ℃.
In the embodiment of the invention, the outlet temperature measuring device 20 is used for measuring the temperature of the opening of the inner temperature return pipe 11 at 199 ℃ in the temperature rising stage and 180 ℃ in the temperature preservation stage, and the detected temperature signal is fed back to the circulating fan 1.
It should be noted that, in some examples of the present application, in the mold preheating stage, the outlet temperature of the electromagnetic induction heater 2 is 220 ℃, and the outlet temperature of each external temperature pipeline is 180 ℃, wherein the outlet temperature of each external temperature pipeline is adjustable. And an external temperature outlet signal is fed back to the circulating fan, and the temperature is controlled by adjusting the rotating speed.
It should be noted that, in some examples of the present application, in the internal temperature vulcanization stage, signals of the outlet temperature measurement device are fed back to the circulating fan, the rotating speed of the circulating fan is controlled, the wind speed is adjusted, and it is ensured that the outlet temperature rise stage is 199 ℃ and the heat preservation stage is 180 ℃. In order to ensure that the tire blank framework material is uniformly stretched, the vulcanization pressure needs to reach the standard pressure step by step, so that a pressure regulating device needs to be added on the nitrogen inlet pipeline.
In some examples, through communication and estimation, the power consumption of the equipment adopting the electromagnetic heating nitrogen vulcanization method is approximately 20 degrees/hour under the condition of meeting the existing temperature conditions, and the maximum power consumption is lower than 30 degrees/hour by comprehensively considering the factors of the equipment, heat loss of pipelines and the like.
Compared with the steam cost, the steam cost is greatly reduced, taking the specification of 215/60R17 as an example, the method comprises the following specific steps:
compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
according to the electromagnetic heating nitrogen vulcanizing device and the vulcanizing method, high-pressure nitrogen is heated in an electromagnetic mode, the circulating fan 1 is used for internal circulating heat exchange, the rotating speed of the circulating fan 1 is adjusted, the temperature of the nitrogen is controlled, the pressure adjusting device is additionally arranged on the nitrogen inlet pipeline, the vulcanizing pressure is achieved step by step to reach the standard pressure, the long-distance pipeline energy conveying mode is cancelled, and the device is arranged below a machine table, so that energy conveying loss and fluctuation are reduced; the method is implemented in a mode that a single vulcanizing machine 9 is provided with a set of electromagnetic heating equipment to heat nitrogen so as to provide the internal and external temperatures required by vulcanization, the equipment is transformed to achieve the effects of cost reduction and consumption reduction, the power consumption of the equipment adopting the process is approximately 20 degrees/hour under the condition of meeting the existing temperature, the factors such as heat loss of the equipment and pipelines are comprehensively considered, and the maximum power consumption is lower than 30 degrees/hour. Compared with steam, the cost is greatly reduced.
It should be noted that, for simplicity of description, the above-mentioned embodiments are described as a series of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed coupling or communication connection between each other may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above examples are only used to illustrate the technical solutions of the present invention, and do not limit the scope of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.
Claims (10)
1. The electromagnetic heating nitrogen vulcanizing device is characterized by comprising a circulating fan, an electromagnetic induction heater and a vulcanizing machine, wherein the electromagnetic induction heater comprises an inner temperature pipeline communicated with an inner cavity of the electromagnetic induction heater and an outer temperature pipeline communicated with the inner cavity of the electromagnetic induction heater; an external temperature inlet pipe of the external temperature pipeline is communicated with the vulcanizing machine, the vulcanizing machine is also communicated with an external cavity of the electromagnetic induction heater through an external temperature return pipe of the external temperature pipeline, and a mold is preheated between the external cavity of the electromagnetic induction heater and the vulcanizing machine through thermal circulation of the external temperature pipeline;
the inner temperature inlet pipe of the inner temperature pipeline is communicated with the vulcanizing machine, the vulcanizing machine is further communicated with the outer cavity of the electromagnetic induction heater through the inner temperature return pipe of the inner temperature pipeline, and the outer cavity of the electromagnetic induction heater is in thermal circulation with the vulcanizing machine through the inner temperature pipeline to heat the capsule in the vulcanizing process.
2. The electromagnetic heating nitrogen vulcanizing device as claimed in claim 1, wherein the electromagnetic induction heater is connected with a high-pressure nitrogen inlet pipe, and a pressure adjusting device is arranged on the high-pressure nitrogen inlet pipe.
3. The electromagnetic heating nitrogen vulcanizing device as claimed in claim 2, wherein the electromagnetic induction heater is respectively communicated with the vulcanizing machine through an inner temperature pipeline and an outer temperature pipeline, and the electromagnetic induction heater is installed below a machine table of the vulcanizing machine.
4. The electromagnetic heating nitrogen vulcanizing device as claimed in claim 3, wherein the external temperature inlet end of the vulcanizing machine is provided with a pneumatic membrane regulating valve for controlling according to the external temperature outlet temperature signal feedback of the electromagnetic induction heater.
5. The electromagnetic heating nitrogen vulcanizing device as claimed in claim 4, wherein an external temperature outlet signal temperature detecting device is arranged on an external temperature return pipe of an external temperature pipeline at the external temperature outlet end of the vulcanizing machine and used for detecting an external temperature outlet signal and feeding the external temperature outlet signal back to the circulating fan, and the temperature is controlled by adjusting the rotating speed of the circulating fan.
6. The electromagnetic heating nitrogen vulcanizing device as claimed in claim 5, wherein a shaping/nitrogen feeding conversion three-way valve is installed on the inner temperature feeding pipe of the inner temperature pipeline of the electromagnetic induction heater, the shaping/nitrogen feeding conversion three-way valve is further connected with a vacuum pipe, an inner temperature circulation/nitrogen recovery conversion three-way valve is installed on the return pipe of the inner temperature pipeline, and the inner temperature circulation/nitrogen recovery conversion three-way valve is further connected with a nitrogen recovery pipe, a main exhaust pipe and a vacuum pipe.
7. The electromagnetic heating nitrogen vulcanizing device as claimed in claim 6, wherein an inlet temperature measuring device is installed at the inner temperature inlet pipe orifice of the inner temperature pipeline of the electromagnetic induction heater, and is used for measuring a temperature signal of the inner temperature inlet pipe orifice of the inner temperature pipeline and feeding the temperature signal back to the electromagnetic induction heater; and an outlet temperature measuring device is arranged at the outlet pipe orifice of the internal temperature pipeline of the vulcanizing machine.
8. The electromagnetic heating nitrogen vulcanizing device as claimed in claim 7, wherein the inner temperature inlet pipe of the inner temperature pipeline is communicated with a shaping nitrogen inlet pipe for shaping by shaping nitrogen before vulcanization.
9. An electromagnetic heating nitrogen vulcanizing method, characterized in that the electromagnetic heating nitrogen vulcanizing method is performed based on the electromagnetic heating nitrogen vulcanizing apparatus of claim 8, and the method comprises the steps of:
step one, preheating at external temperature
Starting an electromagnetic induction heater to work, wherein an outer temperature inlet pipe of an outer temperature pipeline connected with the electromagnetic induction heater is communicated with a vulcanizing machine, signals for detecting the outlet temperature of the electromagnetic induction heater and the temperature of the outer temperature pipeline are fed back to a circulating fan, and the temperature is controlled by adjusting the rotating speed of the circulating fan;
step two, heating and vulcanizing the inner temperature
After vulcanization starts, the inner temperature pipeline between the electromagnetic induction heater and the vulcanizing machine forms a loop by the opening and closing of the shaping/nitrogen inlet conversion three-way valve and the inner temperature circulation/nitrogen recovery conversion three-way valve on the inner temperature pipeline, the electromagnetic induction heater heats and starts the circulating fan, and hot nitrogen circularly flows in the electromagnetic induction heater and the capsule to perform vulcanization operation.
10. The electromagnetic heating nitrogen vulcanizing method as claimed in claim 9, characterized in that the inlet temperature measuring device is used for measuring the temperature signal of the internal temperature inlet pipe orifice of the internal temperature pipeline and feeding back the temperature signal to the electromagnetic induction heater, and the inlet temperature measuring device is used for measuring the input temperature of the internal temperature inlet pipe orifice of the internal temperature pipeline to be 220 ℃.
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| CN202211067792.5A CN115635622A (en) | 2022-09-01 | 2022-09-01 | Electromagnetic heating nitrogen vulcanizing device and vulcanizing method |
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| CN202211067792.5A CN115635622A (en) | 2022-09-01 | 2022-09-01 | Electromagnetic heating nitrogen vulcanizing device and vulcanizing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116604854A (en) * | 2023-07-20 | 2023-08-18 | 山东豪迈机械科技股份有限公司 | Vulcanizing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116604854A (en) * | 2023-07-20 | 2023-08-18 | 山东豪迈机械科技股份有限公司 | Vulcanizing equipment |
| CN116604854B (en) * | 2023-07-20 | 2023-09-19 | 山东豪迈机械科技股份有限公司 | Vulcanizing equipment |
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