Tire partition vulcanization system

Abstract

The utility model discloses a tire partition vulcanization system, which belongs to the technical field of tire vulcanization molds and comprises a tire mold and a thermotechnical pipeline. The tire mold is provided with a plurality of steam chambers; the thermotechnical pipeline comprises a medium inlet pipeline module and a medium return pipeline module; the medium inlet pipeline module comprises a plurality of medium inlet branch pipelines which are arranged in parallel; the medium return pipeline module comprises a plurality of medium return branch pipelines which are arranged in parallel; each steam chamber is communicated with one medium inlet branch pipeline and one medium return branch pipeline; steam conveying is controlled in a partitioned mode, temperature is controlled in a partitioned mode, the steam utilization rate is increased, and unnecessary loss of energy can be reduced easily; and different required temperatures can be provided for different parts of the tire in the vulcanization process, so that the quality of the vulcanized tire is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tire vulcanization mould technical field, concretely relates to a tire partition vulcanization system. BACKGROUND

[0002] The rubber thickness of different positions of the tire is different, in the vulcanization process, the same temperature is adopted for vulcanization, the position with thicker rubber is vulcanized, the position with thinner rubber can have over-vulcanization problem, if the vulcanization effect of the position with thinner rubber is controlled, the position with thicker rubber can have under-vulcanization problem, finally leading to the influence on the tire quality.

[0003] The traditional steamer type vulcanization process has high energy consumption, the hot plate type vulcanization machine partition heating scheme is adopted, different temperatures are given to different positions of the tire, which is beneficial to improve the quality of the tire and save energy. UTILIZATIONAL CONTENT

[0004] In view of the problems existing in the prior art, the utility model provides a tire partition vulcanization system, temperature is controlled by partition, the required temperature is given to different parts of the tire, which is beneficial to improve the quality of the vulcanized tire and improve the steam utilization rate.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a tire partition vulcanization system, including tire mould and hot work pipeline,

[0007] The tire mould has a plurality of steam chambers,

[0008] The hot work pipeline includes medium inlet pipeline module and medium return pipeline module, the medium inlet pipeline module includes a plurality of medium inlet branch pipelines, and the plurality of medium inlet branch pipelines are connected in parallel, the medium return pipeline module includes a plurality of medium return branch pipelines, and the plurality of medium return branch pipelines are connected in parallel,

[0009] Each steam chamber is communicated with a medium inlet branch pipeline and a medium return branch pipeline.

[0010] In the tire partition vulcanization system, the tire mold comprises a tread mold, an upper sidewall mold and a lower sidewall mold; the upper sidewall mold is provided with an upper outer heating plate and an upper inner heating plate above the upper sidewall mold, and the lower sidewall mold is provided with a lower outer heating plate and a lower inner heating plate below the lower sidewall mold; the tread mold, the upper outer heating plate, the upper inner heating plate, the lower outer heating plate and the lower inner heating plate are all provided with the steam chamber.

[0011] In the tire partition vulcanization system, each medium inlet branch pipeline is provided with a first main valve, a second main valve and a first bypass valve; in the flow direction of the medium, the first main valve is located on the upstream side of the second main valve and the first bypass valve, and the second main valve and the first bypass valve are arranged in parallel.

[0012] In the tire partition vulcanization system, the first main valve is a ball valve; and / or the second main valve is a diaphragm valve.

[0013] In the tire partition vulcanization system, the medium return branch pipeline is sequentially provided with a temperature measuring element, a condensed water control and discharge element, a throttling return circuit shut-off valve, a check valve and a third main valve along the flow direction of the medium.

[0014] In the tire partition vulcanization system, the temperature measuring element comprises a temperature bag, and the temperature bag is communicated with the medium return branch pipeline; and the temperature bag is provided with a temperature detector.

[0015] In the tire partition vulcanization system, the medium return branch pipeline is provided with a quick discharge return circuit shut-off valve, and the quick discharge return circuit shut-off valve is arranged in parallel with the throttling return circuit shut-off valve through a second bypass pipeline.

[0016] In the tire partition vulcanization system, the condensed water control and discharge element is a condensing barrel, and the inner cavity of the condensing barrel is communicated with the medium return branch pipeline; and the condensing barrel is provided with a pressure sensor, a liquid level detector and a drain valve.

[0017] In the tire partition vulcanization system, the condensed water control and discharge element is a drain valve.

[0018] In the tire partition vulcanization system, the throttling return circuit shut-off valve is a diaphragm valve.

[0019] The beneficial effects of the utility model lie in:

[0020] The tire mold of the tire partition vulcanization system has a plurality of steam chambers, and each steam chamber is communicated with a medium inlet branch pipeline and a medium return branch pipeline, the delivery of steam is controlled in partition, the temperature is controlled in partition, the steam utilization rate is improved, and unnecessary energy loss is reduced.

[0021] By partition temperature control, the vulcanization process can give different parts of the tire different required temperatures, which is beneficial to improve the quality of the vulcanized tire;

[0022] Optimize the tire vulcanization process scheme, provide more experimental ways and schemes for product quality improvement. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is an overall structure schematic view of an embodiment of the tire partition vulcanization system of the utility model;

[0024] Figure 2 It is a structural component schematic view of the tire mold in the tire partition vulcanization system of the utility model;

[0025] Figure 3 It is Figure 1 It is an enlarged view of the A area in the middle;

[0026] Figure 4 It is Figure 1 It is an enlarged view of the B area in the middle.

[0027] In the drawing:

[0028] 100-tire mold; 101-tread mold; 102-upper sidewall mold; 103-lower sidewall mold; 104-upper outer heating plate; 105-upper inner heating plate; 106-lower outer heating plate; 107-lower inner heating plate;

[0029] 200-medium inlet pipeline module; 201-medium inlet main pipeline; 202-medium inlet branch pipeline; 203-first main valve; 204-second main valve; 205-first bypass pipeline; 206-first bypass valve;

[0030] 300-medium return pipeline module; 301-medium return main pipeline; 302-medium return branch pipeline; 303-third main valve; 304-check valve; 305-throttle return circuit cut-off valve; 306-fast discharge return circuit cut-off valve; 307-second bypass pipeline; 308-condensing barrel; 309-liquid level detector; 310-temperature detector; 311-temperature bag. DETAILED DESCRIPTION

[0031] In order to facilitate those skilled in the art to understand, the utility model is further explained below in combination with the drawings.

[0032] Please refer to Figures 1-4The utility model provides a kind of embodiment of a kind of tire partition vulcanization system, including tire mould 100 and hot work pipeline;Wherein, hot work pipeline includes medium inlet pipeline module 200 and medium return pipeline module 300, medium inlet pipeline module 200 provides high-temperature medium for tire mould 100, provides suitable temperature for tire vulcanization;Medium return pipeline module 300 is used to collect and output condensed medium.

[0033] As Figure 2 Shown, tire mould 100 includes tread mould 101, upper sidewall mould 102, lower sidewall mould 103, upper outer hot plate 104, upper inner hot plate 105, lower outer hot plate 106 and lower inner hot plate 107.Tread mould 101, upper sidewall mould 102, lower sidewall mould 103 jointly enclose vulcanization cavity, wherein multiple tread mould 101 are arranged along the circumference of vulcanization cavity, upper sidewall mould 102, lower sidewall mould 103 are respectively located on the upper and lower sides of vulcanization cavity, and tread mould 101, upper sidewall mould 102, lower sidewall mould 103 are prior art, which will not be repeated here.Upper outer hot plate 104 and upper inner hot plate 105 are arranged above upper sidewall mould 102 for heating upper sidewall mould 102;Upper outer hot plate 104 is located on the outer side of upper inner hot plate 105 in radial direction.Lower outer hot plate 106 and lower inner hot plate 107 are arranged below lower sidewall mould 103 for heating lower sidewall mould 103;Lower outer hot plate 106 is located on the outer side of lower inner hot plate 107 in radial direction.Steam chambers are provided in tread mould 101, upper outer hot plate 104, upper inner hot plate 105, lower outer hot plate 106 and lower inner hot plate 107, and each steam chamber has at least one inlet and one outlet.Hot work pipeline supplies high-temperature medium such as steam to the steam chambers of tread mould 101, upper outer hot plate 104, upper inner hot plate 105, lower outer hot plate 106 and lower inner hot plate 107 to heat the corresponding components.

[0034] To meet the temperature control of different components in partition vulcanization, medium inlet pipeline module 200 includes several medium inlet branch pipelines 202, and the several medium inlet branch pipelines 202 are connected in parallel, the input end of medium inlet branch pipeline 202 is connected with medium inlet main pipeline 201, and the output end is connected with the inlet of steam chamber.Medium return pipeline module 300 includes several medium return branch pipelines 302, and the several medium return branch pipelines 302 are connected in parallel, the input end of medium return branch pipeline 302 is connected with the outlet of steam chamber, and the output end is connected with medium return main pipeline 301.Medium inlet main pipeline 201 and medium return main pipeline 301 are connected with high-temperature medium circulation device.The number of medium inlet branch pipeline 202 and medium return branch pipeline 302 can be set according to the temperature control requirement, for example, Figure 3 , Figure 4As shown, the medium inlet branch pipes 202 and the medium return branch pipes 302 are 6 respectively; each of the steam chambers of the upper outer hot plate 104, the upper inner hot plate 105, the lower outer hot plate 106 and the lower inner hot plate 107 is communicated with one medium inlet branch pipe 202 and one medium return branch pipe 302; the plurality of tread molds 101 are divided into two groups, and the steam chambers of each group of tread molds 101 are connected in series, the inlet of the upstream steam chamber after the series connection is communicated with one medium inlet branch pipe 202, and the outlet of the downstream steam chamber is communicated with one medium return branch pipe 302.

[0035] The medium inlet pipe module 200 provides the medium required for vulcanization of the tire mold 100 to have the temperature and pressure, and different temperatures in different regions can be realized through certain control logic. Each medium inlet branch pipe 202 is provided with a first main valve 203, a second main valve 204 and a first bypass valve 206. In the flow direction of the medium, the first main valve 203 is located on the upstream side of the second main valve 204 and the first bypass valve 206, and the first bypass valve 206 is provided in parallel with the second main valve 204 through a first bypass pipe 205. The first main valve 203 can be a ball valve, which is used to realize the on-off control of the medium inlet branch pipe 202, so as to realize the maintenance and repair of the single medium inlet branch pipe 202 without affecting other medium inlet branch pipes 202. The second main valve 204 can be a thin film valve or other valve that can automatically control the opening degree of the valve, which can cooperate with the temperature of the medium return branch pipe 302 to adjust the opening degree of the valve in real time, so as to realize the constant control of the temperature of the tire mold 100. The first bypass valve 206 is used as a safety valve, which can realize the normal vulcanization of the tire through the manual opening and closing of the first bypass valve 206 when the second main valve 204 is abnormal, so as to avoid the waste of the tire.

[0036] The medium return pipe module 300 can realize the discharge of the condensed water generated by the tire mold 100, and has two modes of fast discharge and throttling discharge. The medium return branch pipe 302 is sequentially provided with a temperature measuring element, a condensed water control and discharge element, a throttling circuit cut-off valve 305, a fast discharge circuit cut-off valve 306, a check valve 304 and a third main valve 303 along the flow direction of the medium; wherein the fast discharge circuit cut-off valve 306 is provided in parallel with the throttling circuit cut-off valve 305 through a second bypass pipe 307.

[0037] The temperature measuring element includes a temperature pack 311, which is installed on the medium return branch pipe 302, and the temperature pack 311 has a temperature measuring inner cavity, which is communicated with the medium return branch pipe 302; that is, the medium in the medium return branch pipe 302 flows through the temperature measuring inner cavity and then continues to flow downstream. The temperature pack 311 is provided with a temperature detector 310 to obtain accurate temperature information of the medium in the medium return branch pipe 302.

[0038] The condensate control and discharge element can be a condensate bucket 308, the inner cavity of which is connected to the medium return pipeline 302 and is located downstream of the temperature pocket 311. A pressure sensor, a liquid level detector 309 and a drain valve are installed in the condensate bucket 308; the pressure sensor is used to detect and confirm the pressure condition in the corresponding steam chamber; the liquid level detector 309 is used to control the discharge of condensate in the condensate bucket 308, achieving the energy-saving effect of discharging water without discharging steam; and the drain valve is used to quickly discharge the medium water or impurities in the condensate bucket 308. The condensate control and discharge element can also be a trap, which automatically discharges water to maintain the constant temperature and pressure of the system.

[0039] The throttling circuit shut-off valve 305 is used to control the discharge of condensate in the normal vulcanization state, and can adopt a thin film valve capable of automatically adjusting the opening degree to prevent the pressure from suddenly dropping due to the excessive speed of discharge and the steam being discharged with water. The fast discharge circuit shut-off valve 306 is used to quickly circulate the medium during the preheating stage, thereby achieving rapid temperature rise, and can also be used when the throttling circuit shut-off valve 305 is abnormal or the pipeline pressure is abnormal, to achieve normal discharge of the medium by controlling the fast switching of the fast discharge circuit shut-off valve 306. The check valve 304 is used to prevent the reverse flow of medium from other passages to avoid temperature and pressure abnormalities caused by reverse flow of the medium in the circuit. The third main valve 303 can manually realize the on-off control of the single medium return pipeline 302, thereby realizing the maintenance and maintenance of the single medium return pipeline 302.

[0040] During use, the control scheme of each steam chamber is consistent; hereinafter, the working principle of the tire partition vulcanization system is described with reference to a steam chamber and the medium inlet branch pipeline 202 and the medium return branch pipeline 302 connected thereto:

[0041] During the early rapid temperature rise stage, for example, the preheating stage, the first main valve 203, the second main valve 204 and the third main valve 303 are opened, and the fast discharge circuit shut-off valve 306 is always open to ensure the rapid flow of steam and achieve rapid temperature rise of the equipment.

[0042] During the tire vulcanization stage, the medium inlet pipeline module 200 and the medium return pipeline module 300 are controlled as follows:

[0043] In the medium inlet pipeline module 200, the first bypass valve 206 is closed, the controller controls the second main valve 204 to open a certain opening degree, steam is introduced into the rear steam chamber, and when the temperature reaches the required value, the second main valve 204 is closed; when condensate is formed in the rear steam chamber, the temperature will decrease, the second main valve 204 will be opened again, and the temperature will rise and then be closed; the above process is repeated to ensure intermittent supply of steam and maintain the temperature at a constant value.

[0044] In the medium return pipeline module 300, the quick discharge return circuit cut valve 306 is closed, and the liquid level drainage scheme is started to be executed; the condensed water in the steam chamber is gathered to the condensed water control and drainage element, and when the condensed water in the condensed water control and drainage element reaches the liquid level, the throttling return circuit cut valve 305 is opened, and the condensed water is discharged through the pipeline; when the drainage amount reaches above the water outlet pipe below the condensed barrel 308, the throttling return circuit cut valve 305 is closed, and the medium return pipeline module 300 is drained but not steam.

[0045] The medium inlet pipeline module 200 and the medium return pipeline module 300 are used as components of the tire partition vulcanization system, cooperate with each other, can provide different temperature control schemes according to the size of the equipment and customer demand, so that the effect of partition vulcanization is more reasonably met.

[0046] The above only describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tire zone vulcanization system characterized by, The application relates to a tire mold (100) and a heat pipe line. The tire mold (100) has a plurality of steam chambers. The heat pipe line comprises a medium inlet pipe line module (200) and a medium return pipe line module (300); the medium inlet pipe line module (200) comprises a plurality of medium inlet branch pipe lines (202), and the plurality of medium inlet branch pipe lines (202) are arranged in parallel; the medium return pipe line module (300) comprises a plurality of medium return branch pipe lines (302), and the plurality of medium return branch pipe lines (302) are arranged in parallel. Each steam chamber is communicated with one medium inlet branch pipe line (202) and one medium return branch pipe line (302).

2. A tire zone sulfurization system according to claim 1 wherein, The tire mold (100) comprises a tread mold (101), an upper sidewall mold (102) and a lower sidewall mold (103); the upper sidewall mold (102) is provided with an upper outer heating plate (104) and an upper inner heating plate (105) above, and the lower sidewall mold (103) is provided with a lower outer heating plate (106) and a lower inner heating plate (107) below; the tread mold (101), the upper outer heating plate (104), the upper inner heating plate (105), the lower outer heating plate (106) and the lower inner heating plate (107) are all provided with the steam chambers.

3. A tire zone sulfurization system according to claim 1 wherein, Each medium inlet branch pipe line (202) is provided with a first main valve (203), a second main valve (204) and a first bypass valve (206); in the flow direction of the medium, the first main valve (203) is located on the upstream side of the second main valve (204) and the first bypass valve (206), and the second main valve (204) and the first bypass valve (206) are arranged in parallel.

4. A tire zone sulfurization system according to claim 3 wherein, The first main valve (203) is a ball valve; and / or the second main valve (204) is a diaphragm valve.

5. A tire zone sulfurization system according to claim 1 wherein, The medium return branch pipe line (302) is sequentially provided with a temperature measuring element, a condensed water control and discharge element, a throttling return circuit cut-off valve (305), a check valve (304) and a third main valve (303) along the flow direction of the medium.

6. A tire zone sulfurization system according to claim 5 wherein, The temperature measuring element comprises a temperature bag (311) communicated with the medium return branch pipe line (302); the temperature bag (311) is provided with a temperature detector (310).

7. A tire zone sulfurization system according to claim 5 wherein, The medium return branch pipe line (302) is provided with a quick discharge circuit cut-off valve (306), and the quick discharge circuit cut-off valve (306) is arranged in parallel with the throttling return circuit cut-off valve (305) through a second bypass pipe line (307).

8. A tire zone sulfurization system according to claim 5 wherein, The condensed water control and discharge element is a condensing barrel (308), and the inner cavity of the condensing barrel (308) is communicated with the medium return branch pipe line (302); the condensing barrel (308) is provided with a pressure sensor, a liquid level detector (309) and a drain valve.

9. A tire zone sulfurization system according to claim 5 wherein, The condensed water control and discharge element is a drain valve.

10. A tire zone sulfurization system according to claim 5 wherein, The throttling return circuit cut-off valve (305) is a diaphragm valve.

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