Tire vulcanization equipment

Abstract

The invention relates to the technical field of vulcanizing devices, and discloses tire vulcanizing equipment which comprises a vulcanizing mold, a vulcanizing bladder, a supporting assembly and a center rod and further comprises a heating device arranged in the vulcanizing bladder and provided with a plurality of heating channels, an air inlet is formed in the axial end of the heating device, and an air outlet is formed in the axial end of the heating device; the plurality of heating channels are arranged along the axial direction of the heating device; the gas circulation device is arranged in the heating device, the gas circulation device is provided with a plurality of air outlet parts located on the flowing path of the gas medium, and the multiple air outlet parts are arranged in the axial direction of the gas circulation device; and the plurality of air outlet parts are communicated with the plurality of heating channels. The gas circulating device is arranged in the heating device, and the multiple air outlet parts are communicated with the multiple heating channels, so that a gas medium can be guided to different heating channels from different air outlet parts, the gas medium is heated in a split-flow manner, the heating efficiency of the gas medium is improved, and the temperature rise rate of an inner cavity of the vulcanizing capsule is increased.

Description

Technical Field

[0001] This application relates to the technical field of vulcanization devices, and particularly to a tire vulcanization device. Background Art

[0002] In industrial production, vulcanization is usually adopted to improve the overall hardness of some materials.

[0003] Taking tire vulcanization as an example, tire vulcanization refers to the vulcanization of the outer tire, which is carried out by means of model pressurization. Before vulcanization, the tire is a plastic rubber with viscoelasticity, which is easy to deform, has low strength and no use value. Through vulcanization, the plastic rubber is cured into a highly elastic rubber with use value.

[0004] Conventional electric heating vulcanizers need to be provided with a heating device and a gas circulation device inside the vulcanization capsule to realize the heating and circulation of the gas medium inside the vulcanization capsule, and ensure the uniformity of the temperature of the tire during vulcanization.

[0005] However, in the above solution, the gas medium sent by the gas circulation device to the heating device cannot flow through the heating device more evenly, resulting in low heating efficiency of the heating device, low heating rate of the inner cavity of the vulcanization capsule, and affecting the quality of tire vulcanization. Summary of the Invention

[0006] In view of this, this application provides a tire vulcanization device to solve the problem of low heating efficiency of the heating device arranged inside the vulcanization capsule in the existing tire vulcanization devices.

[0007] An embodiment of the present invention provides a tire vulcanization device, including: A vulcanization mold, which is arranged to be openable and closable, and a vulcanization cavity is formed inside; A vulcanization capsule, which is adapted to be placed inside the vulcanization cavity; A support assembly, including a central rod and a clamping device arranged on the central rod, and the clamping device is adapted to seal the vulcanization capsule inside the vulcanization cavity; The tire vulcanization device further includes: A heating device, which is arranged inside the vulcanization capsule, and the heating device is provided with an air inlet and a plurality of heating channels located on the flow path of the gas medium. The air inlet is arranged at the axial end of the heating device, and the plurality of heating channels are arranged along the axis of the heating device; A gas circulation device, which is arranged inside the heating device, and the gas circulation device is provided with a plurality of air outlet parts located on the flow path of the gas medium. The plurality of air outlet parts are arranged along the axis of the gas circulation device; Wherein, the plurality of air outlet parts are communicated with the plurality of heating channels.

[0008] Beneficial effects: For the tire vulcanization equipment provided by the present invention, the gas circulation device is arranged inside the heating device, and the heating device and the gas circulation device are respectively provided with a plurality of heating channels and a plurality of air outlets in the axial direction. The plurality of air outlets communicate with the plurality of heating channels, enabling the gas medium to be guided from different air outlets to different heating channels, realizing the split heating of the gas medium, thereby improving the heating efficiency of the gas medium and increasing the heating rate of the inner cavity of the vulcanization capsule.

[0009] In an optional implementation manner, the plurality of air outlets are arranged in one-to-one correspondence with the plurality of heating channels.

[0010] Beneficial effects: Each air outlet corresponds to one heating channel, realizing the directional split control of the gas medium, ensuring that the gas medium discharged from each air outlet can enter different heating channels respectively for heating, thereby improving the heating efficiency of the gas medium.

[0011] In an optional implementation manner, the heating device is provided with an air inlet. The plurality of air outlets include a first air outlet and a plurality of second air outlets. Along the axial direction of the gas circulation device, the first air outlet is arranged at the axial end of the plurality of second air outlets and close to the air inlet; Wherein, the first air outlet includes a first end far from the second air outlet and a second end close to the second air outlet, and the side wall of the first air outlet gradually expands from the first end to the second end.

[0012] Beneficial effects: The first air outlet is arranged at the position of the air inlet of the heating device close to the gas circulation device, and the first air outlet is gradually expanded, enabling the gas medium to be split by the first air outlet. At the same time, the space of the remaining gas medium expands and the speed decreases during the continuous axial movement, enabling the remaining gas medium to pass through the plurality of first air outlets more evenly to be guided to different heating channels, improving the heating uniformity and heating efficiency of the gas medium.

[0013] In an optional implementation manner, the gas circulation device includes: A plurality of fixing rings arranged axially. A flow guide cylinder is arranged on the fixing ring at the axial end and close to the air inlet, and the side wall of the flow guide cylinder gradually expands from the first end to the second end; The first stirring blade group is circumferentially distributed on the outer wall of the flow guide cylinder. The fixing ring, the flow guide cylinder and the first stirring blade group at the axial end cooperate to form the first air outlet; A plurality of second stirring blade groups are respectively circumferentially distributed between adjacent two fixing rings, and the second air outlet is formed between adjacent two fixing rings.

[0014] Beneficial effects: By providing a draft tube in cooperation with multiple fixing rings, the gas medium can be effectively divided, enabling the gas medium to flow relatively evenly in different air outlet parts. Additionally, the provision of the first agitation blade group and multiple second agitation blade groups can guide the gas medium, effectively realizing the circulating flow of the gas medium.

[0015] In an alternative embodiment, the first agitation blades of the first agitation blade group are bent both axially and radially in the gas circulation device.

[0016] Beneficial effects: The first agitation blades being bent both axially and radially can, while guiding the gas medium, weaken the velocity of the gas medium flowing onto the fixing ring at the axial end, thereby preventing the gas medium from rebounding when contacting the fixing ring at the axial end and enabling the gas medium to all flow towards the heating channel.

[0017] In an alternative embodiment, the heating device includes multiple heating rings arranged axially, a heating channel is formed between adjacent two of the heating rings, and a guide vane group evenly distributed circumferentially is provided between adjacent two of the heating rings.

[0018] Beneficial effects: The guide vane group can support adjacent heating rings and also divide the heating channel into multiple sub-channels, increasing the heat exchange area with the gas medium while guiding the gas medium.

[0019] In an alternative embodiment, the guide vanes of adjacent layers of the guide vane group are arranged staggered circumferentially, and the projections of the guide vanes of adjacent layers on the fixing ring at least partially do not overlap.

[0020] Beneficial effects: The staggered arrangement of the guide vanes of adjacent layers can further improve the flow field, preventing most of the gas medium at the same axial position from flushing to the bottom of the heating device under the action of inertia force, thereby enabling the gas medium to be more evenly distributed in multiple air outlet parts and multiple heating channels and enhancing the heating efficiency.

[0021] In an alternative embodiment, an angle is provided between the extending direction of the guide vane and the tangential direction of the rotation of the fixing ring; and / or, the guide vane has an inner end close to the fixing ring and an outer end far from the fixing ring, and the thickness of the guide vane is gradually increased from the inner end to the outer end direction.

[0022] Beneficial effects: Both the provision of an angle between the extending direction of the guide vane and the tangential direction of the fixing ring and the gradual increase in the thickness of the guide vane can enhance the guiding effect on the gas medium, improving the temperature uniformity inside the curing capsule.

[0023] In an alternative embodiment, the end faces of the fixing ring and the heating ring are flush with each other axially; And / or, a flow guiding inclined surface is provided on the inner side wall of the heating ring.

[0024] Advantageous effects: The end faces of the fixing ring and the heating ring being flush, and the flow guiding inclined surface provided on the inner side wall of the heating ring can both reduce the flow resistance of the gas medium, enabling the gas medium to more easily enter the heating channel from the air outlet part.

[0025] In an alternative embodiment, the clamping device includes a ring seat, the central rod is passed through the ring seat, and the heating device is fixed to the ring seat; The gas circulation device further includes a driving member, and the driving member is in transmission connection with a plurality of the air outlet parts to drive the plurality of air outlet parts to rotate relative to the heating device.

[0026] Advantageous effects: The ring seat is used to support the heating device, and the driving member is used to drive the air outlet part to rotate relative to the heating device, so that the gas medium in the vulcanization capsule can enter the heating device through the air inlet of the heating device under the cooperation of the driving member and the air outlet part, and is guided to different heating channels through different air outlet parts, improving the heating effect on the gas medium. Description of the Drawings

[0027] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0028] Figure 1 It is a schematic structural diagram of a tire vulcanization device according to an embodiment of the present application; Figure 2 It is a schematic structural diagram of the positional relationship between the heating device and the gas circulation device according to an embodiment of the present application; Figure 3 It is a schematic structural diagram of the gas circulation device according to an embodiment of the present application; Figure 4 It is a schematic structural diagram of the heating device according to an embodiment of the present application; Figure 5 It is a schematic structural diagram of the positional relationship between adjacent layers of flow guiding vanes according to an embodiment of the present application.

[0029] Explanation of the Reference Numerals in the Drawings: 1, vulcanization capsule; 2, central rod; 3, clamping device; 301, ring seat; 302, upper clamping assembly; 303, lower clamping assembly; 4. Heating device; 401. Air inlet; 402. Heating channel; 403. Heating ring; 404. Flow guiding vane group; 4041. Flow guiding vane 5. Gas circulation device; 51. First air outlet part; 52. Second air outlet part 501. Fixed ring; 502. Flow guiding cylinder; 503. First stirring vane group; 5031. First stirring vane; 504. Second stirring vane group 6. Driving part; 7. Support ring cylinder; 8. Rotating shaft; 9. Flow guiding cover; 10. Support structure Specific embodiments

[0030] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are some, but not all, of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of protection of the present application

[0031] The following is combined with Figures 1-5 , to describe the embodiments of the present invention

[0032] According to an embodiment of the present invention, a tire vulcanizing device is provided, including: a vulcanizing mold, a vulcanizing bladder 1, a center rod 2, a clamping device 3, a heating device 4, a gas circulation device 5, etc

[0033] The vulcanizing mold is configured to be openable and closable, and a vulcanizing cavity is formed inside; the vulcanizing bladder 1 is adapted to be placed in the vulcanizing cavity; a support assembly includes a center rod 2 and a clamping device 3 provided on the center rod 2, and the clamping device 3 is adapted to seal the vulcanizing bladder 1 in the vulcanizing cavity

[0034] Specifically, as Figure 1 [[ID=

[0035] The heating device 4 is arranged inside the curing bladder 1. The heating device 4 is provided with an air inlet 401 and a plurality of heating channels 402 located on the flow path of the gas medium. The air inlet 401 is arranged at the axial end of the heating device 4, and the plurality of heating channels 402 are arranged axially along the heating device 4; the gas circulation device 5 is arranged inside the heating device 4. The gas circulation device 5 is provided with a plurality of air outlet parts located on the flow path of the gas medium, and the plurality of air outlet parts are arranged axially along the gas circulation device 5; wherein, the plurality of air outlet parts are communicated with the plurality of heating channels 402.

[0036] Furthermore, the number of the air outlet parts and the heating channels 402 in the axial direction is preferably set to 3 - 5.

[0037] Specifically, as Figure 4 shown, the heating device 4 is preferably set to a cylindrical structure. The axial direction of the heating device 4 and the axial direction of the gas circulation device 5 are parallel to the axial direction of the curing bladder 1. The following is an exemplary description with the curing bladder 1 arranged vertically and the height direction of the curing bladder 1 as the axial direction.

[0038] A heating device 4 and a gas circulation device 5 are arranged inside the curing bladder 1. A receiving cavity is arranged in the center of the heating device 4 for receiving the gas circulation device 5. A through hole is arranged in the center of the gas circulation device 5 for the central rod 2 to pass through.

[0039] An air inlet 401 is arranged at the top of the heating device 4. When the gas circulation device 5 rotates and works, the gas medium inside the curing bladder 1 enters the heating device 4 from the air inlet 401, and then enters the gas circulation device 5. The gas medium flows from the top to the bottom of the gas circulation device 5, and is led out by the air outlet parts at different heights on the gas circulation device 5 during the flowing process. The led - out gas medium is sent to the heating channels 402 at different heights on the heating device 4. The gas medium is heated when passing through the heating channels 402, and is guided to the inner wall of the curing bladder 1 after discharging from the heating channels 402, realizing the heating cycle of the gas medium. In this way, the gas medium inside the curing bladder 1 can be guided to different heating channels 402 by different air outlet parts, realizing the split - flow heating of the gas medium, thereby improving the heating efficiency of the gas medium and increasing the temperature - rising rate of the inner cavity of the curing bladder 1.

[0040] Furthermore, the distance between the outer diameter of the gas circulation device 5 and the inner diameter of the heating device 4 is preferably less than 2 mm. With this setting, it can be avoided that the gas medium leaks along the height direction through the gap between the gas circulation device 5 and the heating device 4 during the process of the gas medium flowing from the air outlet part to the heating channel 402.

[0041] Furthermore, the heating device 4 can be a resistance heater, an induction heater, an infrared heater, a heat exchanger, etc.

[0042] Further, a gas medium inlet and outlet is provided on the ring seat 301 for the gas medium to enter and exit the vulcanization capsule 1. One gas medium inlet and outlet can be provided, and the gas medium enters and leaves the inside of the vulcanization capsule 1 through this inlet and outlet. Of course, two gas medium inlets and outlets can be provided, one of which is used as the gas medium inlet and the other is used as the gas medium outlet.

[0043] Further, a flow guide cover 9 is provided on the outer peripheral side of the heating device 4. One end of the flow guide cover 9 is fixed to the heating device 4, and the other end is preferably fixed through the support structure 10 and the lower clamping assembly 303. A gap is provided between the bottom of the flow guide cover 9 and the lower clamping assembly 303, and the flow guide cover 9 is arranged in a conical structure. Along the height direction of the vulcanization capsule 1, the diameter of the flow guide cover 9 gradually increases from top to bottom.

[0044] In this way, the gas medium discharged from the multiple heating channels 402 is guided and mixed by the flow guide cover 9 and then discharged to the inner wall of the vulcanization capsule 1 through the gap between the flow guide cover 9 and the lower clamping assembly 303, which can optimize the gas medium flow field and make the gas medium more evenly distributed in the internal space of the vulcanization capsule 1.

[0045] Among them, the above support structure 10 can be one or a combination of a support plate, a support rod or a support frame.

[0046] In one embodiment, as Figure 1 、 Figure 2 shown, multiple air outlet parts are arranged in one-to-one correspondence with multiple heating channels 402.

[0047] Specifically, multiple air outlet parts and multiple heating channels 402 are arranged along the height direction, that is, multiple arranged air outlet parts are arranged along the height direction, and each air outlet part corresponds to a heating channel 402. The directional diversion control of the gas medium is realized by using multiple air outlet parts. At the same height, the gas medium led out by the air outlet part can be sent into the heating channel 402 at the corresponding height, ensuring that the gas medium discharged from each air outlet part can enter different heating channels 402 respectively for heating, thereby improving the heating efficiency of the gas medium.

[0048] In a specific implementation manner, assuming that the total flow rate of the gas medium entering the air inlet 401 is Q, the number of the air outlet parts and the heating channels 402 is n, and the flow rate through each air outlet part and the heating channel 402 is q = Q / n * (±5%).

[0049] In one embodiment, as Figure 3As shown in the figure, the multiple air outlets include a first air outlet 51 and multiple second air outlets 52. Along the axial direction of the gas circulation device 5, the first air outlet 51 is arranged at the axial end of the multiple second air outlets 52 and is close to the air inlet 401. Among them, the first air outlet 51 includes a first end far from the second air outlet 52 and a second end close to the second air outlet 52, and the side wall of the first air outlet 51 is gradually expanded from the first end to the second end.

[0050] Specifically, an air inlet 401 is provided at the top of the heating device 4, dividing the multiple air outlets into a first air outlet 51 and multiple second air outlets 52. The first air outlet 51 and the multiple second air outlets 52 are arranged in the height direction, and the first air outlet 51 is located at the top and close to the air inlet 401. The side wall of the first air outlet 51 is gradually expanded, and the inner diameter of the top opening of the first air outlet 51 is smaller than that of the bottom opening, and the side wall is preferably set as an arc surface. In this way, after the gas medium enters from the air inlet 401, the gas medium is shunted. Among them, a part of the gas medium is guided by the outer wall of the first air outlet 51 into the corresponding heating channel 402 and heated, and the remaining gas medium enters the gas circulation device 5 through the top opening of the first air outlet 51. During the process of moving towards the bottom of the gas circulation device 5, this part of the gas medium is guided by the second air outlets 52 at different heights into the corresponding heating channels 402 and heated.

[0051] Moreover, the first air outlet 51 adopts a gradually expanding structure, and the internal space of the first air outlet 51 gradually increases from top to bottom, so that the gas medium entering the first air outlet 51 expands in space and decreases in speed during the process of continuing to move in the height direction, so that the remaining gas medium can be more evenly guided to different heating channels 402 through the multiple first air outlets 51. In this way, it is possible to avoid the problem that the gas medium flow rate passing through some heating channels 402 is relatively small, resulting in overheating and damage of the heating structure in this part of the heating channels 402, and it is also possible to avoid the problem that the gas flow passing through some heating channels 402 is relatively large, resulting in the inability of this part of the heating channels 402 to fully heat the gas medium and slow heating rate. At the same time, through the cooperation of the first air outlet 51 and the multiple second air outlets 52, the multiple heating channels 402 can discharge the gas medium more evenly, making the gas medium circulate fully and improving the uniformity of the temperature field in the vulcanization capsule 1.

[0052] In one embodiment, the gas circulation device 5 includes: a plurality of fixing rings 501 arranged axially, wherein a flow guide cylinder 502 is provided on the fixing ring 501 located at the axial end and close to the air inlet 401, and the side wall of the flow guide cylinder 502 is tapered from the first end to the second end; a first stirring blade group 503 circumferentially and evenly distributed on the outer wall of the flow guide cylinder 502, and the fixing ring 501, the flow guide cylinder 502 and the first stirring blade group 503 located at the axial end cooperate to form a first air outlet part 51; a plurality of second stirring blade groups 504 respectively circumferentially and evenly distributed between adjacent two fixing rings 501, and a second air outlet part 52 is formed between the adjacent two fixing rings 501.

[0053] Specifically, as Figure 3 shown, a second stirring blade group 504 is provided between adjacent fixing rings 501. The second stirring blade group 504 is used to support and fix the adjacent two fixing rings 501. A flow guide cylinder 502 is fixed on the top surface of the uppermost fixing ring 501. The first stirring blade group 503 is fixed on the outer wall surface of the flow guide cylinder 502, and part of the first stirring blade group 503 is preferably fixed to the top surface of the uppermost fixing ring 501, so as to improve the installation strength of the first stirring blade group 503 and the flow guiding effect of the first stirring blade group 503.

[0054] Among them, the plurality of fixing rings 501, the flow guide cylinder 502, the first stirring blade group 503 and the plurality of second stirring blade groups 504 cooperate to form a cylindrical structure with an accommodation space inside in the height direction, and the cylindrical structure can rotate relative to the heating device 4. When the cylindrical structure rotates relative to the heating device 4, the gas medium in the vulcanization capsule 1 enters the heating device 4 through the air inlet 401. Part of the gas medium is guided along the outer wall of the flow guide cylinder 502 to the heating channels at corresponding heights, and the remaining part of the gas medium enters the flow guide cylinder 502 and moves downward, and enters between different adjacent two fixing rings 501 during the movement. In this way, the gas medium can be effectively shunted, the uniformity of the heated gas medium can be improved, and further the efficiency of heating the gas medium can be improved.

[0055] In one embodiment, the first stirring blade 5031 of the first stirring blade group 503 is bent both axially and radially in the gas circulation device 5.

[0056] Specifically, as Figure 3As shown, a plurality of first stirring vanes 5031 are evenly arranged along the circumferential direction of the draft tube 502, and the first stirring vanes 5031 are bent both axially and radially. While being able to achieve the diversion of the gas medium, the speed of the gas medium flowing to the top surface of the uppermost fixed ring 501 can be weakened, avoiding the rebound when the gas medium contacts the top surface of the uppermost fixed ring 501, thereby avoiding the conflict between the rebounding gas and the gas medium entering the air inlet 401, and further enabling the gas medium to all flow to different heating channels 402.

[0057] Furthermore, the number of the first stirring vanes 5031 of the first stirring vane group 503 is preferably set to 6 - 30. The number of the stirring vanes of the second stirring vane group 504 is also preferably set to 6 - 30.

[0058] In one embodiment, the heating device 4 includes a plurality of heating rings 403 arranged axially. A heating channel 402 is formed between two adjacent heating rings 403, and a diversion vane group 404 evenly distributed along the circumferential direction is arranged between two adjacent heating rings 403.

[0059] Specifically, as Figure 4 shown, a plurality of heating rings 403 are arranged in the height direction, and a diversion vane group 404 is arranged between two adjacent heating rings 403. The diversion vane group 404 can support the adjacent heating rings 403, and the heat on the heating rings 403 is transferred to the diversion vane group 404. The plurality of diversion vanes 4041 of the diversion vane group 404 divide the heating channel 402 into a plurality of sub-channels, increasing the heat exchange area with the gas medium while diverting the gas medium. In a specific implementation manner, as Figure 1 、 Figure 2 shown, an electromagnetic heating coil is wound around the outer periphery of the heating ring 403, or a resistive heating tube is wound around the outer periphery of the heating ring 403.

[0060] In an alternative embodiment, the uppermost heating channel 402 and the first air outlet part 51 are correspondingly arranged. According to the actual working condition requirements, a heating structure can be optionally provided or not provided on the uppermost heating ring 403.

[0061] In one embodiment, the diversion vanes 4041 of the diversion vane groups 404 in adjacent layers are arranged staggeredly along the circumferential direction, and at least part of the projections of the diversion vanes 4041 in adjacent layers on the fixed ring 501 do not overlap.

[0062] Specifically, as Figure 4 、 Figure 5As shown, the guide blades 4041 of adjacent layers in the height direction are staggered, which can further improve the flow field in the heating device 4 and prevent the gas medium at the same axial position from rushing to the bottom of the heating device 4 under the action of inertia force, thereby making the gas medium more evenly distributed in multiple air outlets and multiple heating channels 402, thereby improving the heating efficiency.

[0063] Furthermore, the number of guide blades 4041 in each guide blade group 404 is set to 6-30.

[0064] In one embodiment, the extension direction of the guide blade 4041 is set at an angle with the rotation tangent direction of the fixing ring 501; and / or, the guide blade 4041 has an inner end close to the fixing ring 501 and an outer end away from the fixing ring 501, and the thickness of the guide blade 4041 is set to gradually increase from the inner end to the outer end.

[0065] Specifically, if Figure 5 As shown, the outer end of the guide vane 4041 is configured as an arc-shaped structure, which can better guide the gas medium and improve the temperature uniformity within the curing bladder 1. The angle between the extension direction of the guide vane 4041 and the tangent direction of the fixing ring 501 is set, and the thickness of the guide vane 4041 is configured to increase gradually, both of which can enhance the guiding effect of the gas medium and improve the temperature uniformity within the curing bladder 1.

[0066] Furthermore, the angle between the extension direction of the guide vane 4041 and the tangent direction of the fixing ring 501 is preferably set to 25-35°.

[0067] In one embodiment, the fixed ring 501 and the heating ring 403 are arranged flush with each other in the axial direction; and / or, a guide slope is provided on the inner side wall of the heating ring 403.

[0068] Specifically, if Figure 1 、 Figure 2 As shown, the fixing ring 501 and the heating ring 403 both have top and bottom surfaces in the height direction. The end surfaces of the fixing ring 501 and the heating ring 403 are flush. This prevents the heating ring 403 from blocking the gas medium as it flows from the air outlet to the heating channel 402, thereby reducing the flow resistance of the gas medium. Furthermore, a flow-guiding bevel is provided on the inner wall of the heating ring 403 near the fixing ring 501. This bevel reduces the thickness of the end of the heating ring 403 near the fixing ring 501, further reducing the flow resistance of the gas medium and allowing the gas medium to easily enter the heating channel 402.

[0069] In one embodiment, the clamping device 3 includes a ring base 301, a central rod 2 is passed through the ring base 301, and the heating device 4 is fixed to the ring base 301; the gas circulation device 5 further includes a driving member 6, and the driving member 6 is in transmission connection with a plurality of air outlet parts to drive the plurality of air outlet parts to rotate relative to the heating device 4.

[0070] Specifically, as Figure 1 , Figure 2 shown, a support ring cylinder 7 is fixed to the bottom end of the ring base 301, and the central rod 2 passes through the support ring cylinder 7 and the ring base 301 in sequence.

[0071] Among them, two adjacent fixing rings 501 are connected and fixed by a second stirring blade group 504, and the driving member 6 is connected to one of the fixing rings 501, and can synchronously drive all the fixing rings 501.

[0072] In a specific implementation manner, as Figure 1 , Figure 2 shown, the driving member 6 is set as a driving motor, the rotating end of the driving motor is arranged in the ring base 301, the rotating end of the driving motor is connected with a rotating shaft 8, the rotating shaft 8 is sleeved outside the central rod 2, and one end is connected with the lowermost fixing ring 501.

[0073] Of course, in addition to the above setting method, the driving member 6 can also be drivingly connected to the fixing ring 501 by means of magnetic drive.

[0074] In this way, the heating device 4 is supported by the ring base 301, and the driving member 6 is used to drive the air outlet part to rotate relative to the heating device 4, so that the gas medium in the vulcanization capsule 1 can enter the heating device 4 through the air inlet 401 of the heating device 4 under the cooperation of the driving member 6 and the air outlet part, and is guided to different heating channels 402 through different air outlet parts, improving the heating effect on the gas medium.

[0075] Although the embodiments of the present application have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present application, and such modifications and variations fall within the scope defined by the appended claims.

Claims

1. A tire vulcanization device, characterized in that, Comprising: A vulcanization mold, which is configured to be openable and closable, and has a vulcanization cavity formed therein; A vulcanization capsule (1), which is adapted to be placed in the vulcanization cavity; A support assembly, including a central rod (2) and a clamping device (3) provided on the central rod (2), the clamping device (3) being adapted to sealably mount the vulcanization capsule (1) in the vulcanization cavity; The tire vulcanization equipment further includes: A heating device (4), which is provided in the vulcanization capsule (1), the heating device (4) being provided with an air inlet (401) located on the flow path of the gas medium and a plurality of heating channels (402), the air inlet (401) being provided at the axial end of the heating device (4), and the plurality of heating channels (402) being arranged along the axis of the heating device (4); A gas circulation device (5), which is provided in the heating device (4), the gas circulation device (5) being provided with a plurality of air outlet parts located on the flow path of the gas medium, the plurality of air outlet parts being arranged along the axis of the gas circulation device (5); Wherein, the plurality of air outlet parts are communicated with the plurality of heating channels (402).

2. The tire vulcanization equipment according to claim 1, characterized in that, The plurality of air outlet parts are arranged in one-to-one correspondence with the plurality of heating channels (402).

3. The tire vulcanizing equipment according to claim 2, characterized in that, The plurality of air outlet parts include a first air outlet part (51) and a plurality of second air outlet parts (52). Along the axis of the gas circulation device (5), the first air outlet part (51) is provided at the axial end of the plurality of second air outlet parts (52) and is close to the air inlet (401); Wherein, the first air outlet part (51) includes a first end away from the second air outlet part (52) and a second end close to the second air outlet part (52), and the side wall of the first air outlet part (51) gradually expands from the first end to the second end.

4. The tire vulcanization equipment according to claim 3, characterized in that, The gas circulation device (5) includes: A plurality of fixing rings (501), which are arranged along the axis. Among them, a guide cylinder (502) is provided on the fixing ring (501) located at the axial end and close to the air inlet (401), and the side wall of the guide cylinder (502) gradually expands from the first end to the second end; A first stirring blade group (503), which is circumferentially distributed on the outer wall of the guide cylinder (502). The fixing ring (501), the guide cylinder (502) and the first stirring blade group (503) located at the axial end cooperate to form the first air outlet part (51); A plurality of second stirring blade groups (504), which are respectively circumferentially distributed between adjacent two fixing rings (501), and the second air outlet part (52) is formed between adjacent two fixing rings (501).

5. The tire vulcanization equipment according to claim 4, characterized in that, The first stirring blades (5031) of the first stirring blade group (503) are bent both in the axial and radial directions of the gas circulation device (5).

6. The tire vulcanization equipment according to claim 4, characterized in that, The heating device (4) includes a plurality of heating rings (403) arranged along the axis, and the heating channels (402) are formed between adjacent two heating rings (403), and a guide vane group (404) circumferentially distributed is provided between adjacent two heating rings (403).

7. The tire vulcanization equipment according to claim 6, characterized in that, The guide blades (4041) of the guide blade groups (404) of adjacent layers are staggered in the circumferential direction, and the projections of the guide blades (4041) of adjacent layers on the fixing ring (501) at least partially do not overlap.

8. The tire vulcanizing apparatus according to claim 6, wherein An included angle is formed between the extension direction of the guide vane (4041) and the rotation tangent direction of the fixing ring (501); And / or, the guide blade (4041) has an inner end close to the fixing ring (501) and an outer end away from the fixing ring (501), and the thickness of the guide blade (4041) is gradually increased from the inner end to the outer end.

9. The tire vulcanization equipment according to claim 6, characterized in that, The fixed ring (501) and the heating ring (403) are arranged flush with each other in the axial direction; And / or, a flow guide slope is provided on the inner side wall of the heating ring (403).

10. The tire vulcanization equipment according to claim 1, characterized in that, The clamping device (3) comprises a ring seat (301), the center rod (2) is inserted into the ring seat (301), and the heating device (4) and the ring seat (301) are fixed to each other; The gas circulation device (5) further includes a driving member (6), which is in transmission connection with the plurality of air outlets to drive the plurality of air outlets to rotate relative to the heating device (4).

Images