Tire vulcanization equipment

Abstract

The utility model discloses tire vulcanizing equipment, which relates to the field of tire vulcanizing production equipment and comprises a vulcanizing bladder, a central rod, a heating device, a rotating device and a protective cover. According to the utility model, the protective cover structure is arranged in the curing bladder to isolate the heating device and the rotating device from the curing bladder, so that the curing bladder is prevented from being contacted and extruded with the heating device or the rotating device when being shrunk, the curing bladder is prevented from being scalded and broken, the heating device and the rotating device are protected, and the service life of equipment is prolonged; the stability and safety are higher; the opening design of the protective cover limits a flowing channel of a gas medium, and the heating efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tire vulcanization production equipment field, concretely relates to a tire vulcanization equipment. BACKGROUND

[0002] Tire vulcanization is that in the manufacturing process of tire, the green tire without vulcanization is first placed between the sealed vulcanization capsule and tire mold, then high-temperature steam and high-pressure nitrogen are introduced into the interior of the vulcanization capsule, the green tire is heated and the vulcanization capsule is rapidly expanded at the same time, the green tire is continuously extruded to tightly adhere to the tire mold, and finally the shaping vulcanization operation of the green tire is realized.

[0003] The traditional steam vulcanization machine appears steam condensation phenomenon in the vulcanization process, steam condenses after entering the vulcanization capsule, and condensate water is accumulated in the lower part of the vulcanization capsule, so that a large temperature difference appears in the vulcanization capsule, the vulcanization quality of the tire is affected, and in order to provide steam for the vulcanization capsule, a steam pipeline is arranged on the center structure of the vulcanization machine to communicate with the vulcanization capsule, and a large space is occupied. In the existing vulcanization process, an electric heating vulcanization equipment is introduced, and the electric heating vulcanization equipment comprises a heating device, an air supply device and a rotating device. The air supply device introduces high-pressure gas into the vulcanization capsule, and the heating device and the rotating device are arranged in the interior of the vulcanization capsule. The heating device continuously heats the high-pressure gas by using electric heating, and the rotating device relies on rotation of driving impellers, fan leaves and the like to stir the heated gas to circulate and flow in the vulcanization capsule. However, in the tire vulcanization process, the vulcanization capsule contacts the heating device in the contraction stage, and the vulcanization capsule is scalded or the heating device is damaged, and in addition, there is a certain safety hazard in the equipment maintenance of the heating device and the rotating device.

[0004] In view of the problems existing in the prior art, the utility model designs a tire vulcanization equipment to overcome the above defects. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of tire vulcanization equipment, heating device is set to the outer periphery of the interior of vulcanization capsule, heating component is protected, avoid vulcanization capsule and heating device in the contraction process of vulcanization capsule, vulcanization capsule and heating device are contacted or extruded, prevent heating device damage and capsule scald, guarantee the safe and stable operation of vulcanization equipment.

[0006] The utility model provides a kind of tire vulcanization equipment, it is characterized in that, including:

[0007] Vulcanization capsule, the upper clamping edge of the vulcanization capsule is connected with upper clamping assembly, the lower clamping edge of the vulcanization capsule is connected with lower clamping assembly;

[0008] Center pole, the center pole is arranged in lower clamping assembly, the upper end of the center pole is fixed with the upper clamping assembly;

[0009] a heating device fixed inside the vulcanizing capsule, which heats the gaseous medium flowing into the vulcanizing capsule;

[0010] a rotating device sleeved on the central rod inside the vulcanizing capsule, which drives the gaseous medium in the vulcanizing capsule to flow in a circulating manner;

[0011] a protective cover sleeved on the outer periphery of the heating device and the rotating device;

[0012] The heating device comprises a heating cylinder, an installation groove is arranged on the outer periphery of the side wall of the heating cylinder, a heating element is fixedly installed in the installation groove, and a heat insulation member is arranged between the heating element and the heating cylinder.

[0013] Further, a ring seat is arranged between the central rod and the lower clamping assembly, the heating device is fixed inside the vulcanizing capsule through a support assembly on the ring seat, and the central rod can move up and down relative to the ring seat.

[0014] Further, the heating device and the rotating device are coaxially arranged along the central rod, and the heating device is located above the axial direction of the rotating device.

[0015] Further, the tire vulcanizing equipment further comprises a ring cylinder, the upper end of the ring cylinder is fixedly connected with the ring seat, a concentric rotating cylinder is arranged in the ring cylinder, the upper end of the rotating cylinder penetrates through the center of the ring seat and is connected with the rotating device, the lower end of the rotating cylinder is connected with a driving device, the driving device drives the rotating cylinder to rotate to drive the rotating device to rotate around the central rod in the vulcanizing capsule, and a bearing is arranged between the upper end of the rotating cylinder and the ring seat.

[0016] Further, the support assembly comprises a support frame, the upper end of the support frame is fixedly connected with the bottom surface of a support disc, the lower end of the support frame is fixed with the ring seat, the center of the support disc is provided with a support cylinder, the support cylinder is sleeved on the central rod and is provided with a gap between the central rod, the top surface of the support disc supports the bottom end of the heating cylinder and the support cylinder, and a plurality of support frames are arranged along the circumferential direction of the outer periphery of the rotating device.

[0017] Further, the heating device further comprises a heat dissipation member, the heat dissipation member is a plurality of fins arranged along the circumferential direction of the center of the support cylinder, the fins extend along the radial direction of the support cylinder, the outer end of the fin is fixedly connected with the heating cylinder, the inner end of the fin is connected with the support cylinder, and the spacing between the circumferentially adjacent fins is a channel for the gaseous medium to flow through.

[0018] Further, a wire passing pipe is arranged between the support disc and the ring seat, the bottom end of the heating cylinder and the ring seat are provided with wire passing holes, the upper end of the wire passing pipe is communicated with the first wire passing hole of the bottom end of the heating cylinder, the lower end of the wire passing pipe is communicated with the second wire passing hole on the ring seat, and the wire of the heating element is connected with the external power supply by sequentially passing through the first wire passing hole, the wire passing pipe and the second wire passing hole.

[0019] Further, the protective cover comprises a first outer peripheral part and a second outer peripheral part from top to bottom, the first outer peripheral part is arranged around the outer periphery of the heating cylinder, and the second outer peripheral part is arranged around the outer periphery of the rotating device.

[0020] Further, a plurality of openings are arranged on the end cover and the support disc, and the second outer peripheral part is also provided with a plurality of openings.

[0021] The utility model discloses the beneficial effect that:

[0022] The utility model discloses a protective cover is fixed to the outer periphery of the heating device of tire vulcanization equipment, on one hand, vulcanization capsule is separated from heating device and rotating device, avoids vulcanization capsule and heating device from touching or extruding in the shrinkage process of vulcanization capsule, prevents heating device damage and capsule scald, guarantees the safe and stable operation of vulcanization equipment, prolongs the service life of equipment, and the safety risk of the maintenance personnel of equipment maintenance is avoided from touching rotating device and heating device simultaneously, on the other hand, a plurality of openings are arranged on the protective cover, and the circulation channel of gas medium is limited, and the heating efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a kind of tire vulcanization equipment structure schematic diagram for the utility model;

[0024] Figure 2 It is a kind of tire vulcanization equipment heating device structure schematic diagram for the utility model;

[0025] Figure 3 It is a kind of tire vulcanization equipment protective cover structure schematic diagram for the utility model;

[0026] In the drawing: 1, vulcanization capsule;2, upper clamping assembly;3, lower clamping assembly;4, center rod;5, heating device;6, rotating device;7, protective cover;8, ring seat;9, ring cylinder;10, rotating cylinder;11, heating cylinder;12, mounting groove;13, heating element;14, heat insulating part;15, support frame;16, support disc;17, support cylinder;18, fin;19, wire passing pipe;20, first wire passing hole;21, second wire passing hole;22, first outer peripheral part;23, second outer peripheral part;24, end cover;25, tire;26, pressure ring. DETAILED DESCRIPTION

[0027] The utility model will be further described below in combination with the drawings and examples.

[0028] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the art to which the utility model belongs.

[0029] It should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form, and in addition, it should be understood that when the terms "comprise" and / or "include" are used in the specification, it means that the features, steps, operations, devices, components and / or their combinations are present.

[0030] In the utility model, the orientation or position relationship indicated by the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom" and the like is the orientation or position relationship shown in the drawings, which is only a relationship word determined for the purpose of describing the structural relationship of components or elements of the utility model, and cannot be understood as a limitation on the utility model.

[0031] In the utility model, the terms such as "fixedly connected", "connected", "connected" and the like should be understood broadly, which means that it can be fixedly connected, integrally connected or detachably connected; it can be directly connected or indirectly connected through an intermediate medium. For relevant scientific researchers or technicians in the art, the specific meaning of the above terms in the utility model can be determined according to the specific circumstances, and cannot be understood as a limitation on the utility model.

[0032] As described in the background, in the existing tire vulcanization, the method of directly heating gas medium in the vulcanization capsule is adopted, but the vulcanization capsule will shrink and expand with the up-down movement of the center rod, and in the shrinkage stage, the vulcanization capsule is easy to contact the heating device and the rotating device, which not only causes the vulcanization capsule to be scalded and damaged, but also damages the heating device and the rotating device. Based on the above problems, the utility model designs a tire vulcanization equipment.

[0033] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific embodiments of the utility model will be described in combination with the drawings.

[0034] As Figure 1 And Figure 3As shown, the tire vulcanization equipment includes a vulcanization capsule 1, which is filled with high-temperature and high-pressure gas, and provides pressure and temperature required for vulcanization of the tire 25 during the vulcanization process, so that the tire 25 is tightly attached to the mold to complete the shaping vulcanization of the tire 25. The upper clamping edge of the vulcanization capsule 1 is fixedly connected with an upper clamping assembly 2 of the vulcanization equipment, and the lower clamping edge is fixedly connected with a lower clamping assembly 3. The upper end of a center rod 4 is fixedly connected with the center position of the upper clamping assembly 2, the center rod 4 is arranged through the lower clamping assembly 3, and the center rod 4 can be lifted up and down relative to the lower clamping assembly 3. When the center rod 4 moves upward, the distance between the lower clamping assembly 3 and the upper clamping assembly 2 can be increased, so that the radius of the vulcanization capsule 1 is reduced and shrunk. When the center rod 4 moves downward, the distance between the lower clamping assembly 3 and the upper clamping assembly 2 is reduced, and the radius of the vulcanization capsule 1 is increased, so that the vulcanization capsule 1 expands after being filled with gas medium. The device for driving the center rod 4 to lift up and down can be an oil cylinder, an air cylinder, an electric cylinder or the like.

[0035] A heating device 5 and a rotating device 6 are coaxially sleeved on the center rod 4, and the rotating device 6 is located below the heating device 5. The heating device 5 is used for heating the high-pressure gas medium flowing into the vulcanization capsule 1, and the rotating device 6 is used for stirring the circulation flow of the high-temperature and high-pressure gas medium in the vulcanization capsule 1. A protective cover 7 is sleeved on the outer periphery of the heating device 5 to protect the heating device 5. Since the rotating device 6 is coaxially arranged below the heating device 5, the protective cover 7 also protects the rotating device 6. A ring seat 8 is arranged between the center rod 4 and the lower clamping assembly 3, and the heating device 5 is fixed on the ring seat 8 through a support assembly. The center rod 4 can also move up and down relative to the ring seat 8. A pressing ring 26 is further arranged between the center position of the ring seat 8 and the center rod 4, which can limit the bearing and also seal between the center rod 4 to prevent the gas medium from leaking from the inside of the vulcanization capsule 1.

[0036] The tire vulcanization equipment further includes a ring cylinder 9, which is concentrically arranged with the ring seat 8. The upper end of the ring cylinder 9 is fixed with the bottom of the ring seat 8. A rotating cylinder 10 is concentrically sleeved in the ring cylinder 9. The upper end of the rotating cylinder 10 passes through the ring cylinder 9 and is connected with the rotating device 6. The rotating device 6 can be a structure such as an impeller or a fan blade that can stir the flow of the internal gas medium. The lower end of the rotating cylinder 10 is connected with a driving device, which is driven to rotate, thereby driving the rotating device 6 to rotate around the center rod 4. The driving device can be a motor. There is a gap between the center rod 4 and the rotating device 6, and there is also a gap between the center rod 4 and the heating device 5. The center rod 4 can move up and down relative to the rotating device 6 and the heating device 5.

[0037] As shown in the drawings, Figure 1 , Figure 2 and Figure 3As shown, the heating device 5 comprises a heating cylinder 11, the protective cover 7 can be fastened on the heating cylinder 11 by screws, a circumferential mounting groove 12 is formed on the outer peripheral side wall of the heating cylinder 11, the mounting groove 12 is an annular groove around the circumferential side of the heating cylinder 11, a heating element 13 is fixedly installed in the mounting groove 12, the heating element 13 can be an electromagnetic induction heating coil, and electromagnetic induction heating is performed between the heating element 13 and the heating cylinder 11. Between the heating element 13 and the heating cylinder 11, a heat insulation piece 14 can be arranged, the heat insulation piece 14 is attached in the mounting groove 12, so as to avoid direct contact between the heating element 13 and the heating cylinder 11, and prevent the heating cylinder 11 from being damaged due to excessive temperature of the heating element 13. The heat insulation piece 14 can be a polyurethane foam plate or other material with low thermal conductivity.

[0038] The support assembly comprises a support frame 15, an upper end of the support frame 15 is provided with a support disc 16, the upper end of the support frame 15 is fixedly connected with the bottom surface of the support disc 16, the lower end of the support frame 15 is fixed with the ring seat 8, the center of the support disc 16 is provided with a support cylinder 17, the support cylinder 17 is sleeved on the center rod 4 and has a gap with the center rod 4, the top surface of the support disc 16 is used to support the bottom end of the heating cylinder 11 and the support cylinder 17, a plurality of support frames 15 are arranged, and the plurality of support frames 15 are arranged in a circumferential direction of the outer periphery of the rotating device 6. The heating device 5 further comprises heat dissipation fins 18, outer ends of the fins 18 are connected with the inner wall of the heating cylinder 11, inner ends of the fins 18 are connected with the outer wall of the support cylinder 17, a plurality of fins 18 are arranged in a circumferential direction of the center of the support cylinder 17, and the spacing between circumferentially adjacent fins 18 provides a channel for the flow of gaseous medium. The fins 18 conduct the heat generated by the heating cylinder 11, increase the heat dissipation area, and improve the heating efficiency.

[0039] The support assembly fixedly connects the ring seat 8 and the support disc 16 through the plurality of support frames 15, provides bottom support for the support disc 16, the support disc 16 supports the bottom of the heating cylinder 11 and the support cylinder 17 structure, and provides overall support for the heating device 5. The support disc 16 and the ring seat 8 are provided with a wire passing pipe 19, an upper end of the wire passing pipe 19 is in communication with a first wire passing hole 20 at the bottom of the heating cylinder 11, a lower end of the wire passing pipe 19 is in communication with a second wire passing hole 21 on the ring seat 8, and the power supply wire of the heating element 13 can pass through the first wire passing hole 20, the wire passing pipe 19 and the second wire passing hole 21 in sequence and be connected with an external power supply. The wire passing pipe 19 is arranged on the outer periphery of the rotating device 6 to avoid interference. A plurality of wire passing pipes 19 can be arranged to connect a plurality of heating elements 13. By arranging the wire passing pipe 19, the wire cable can be bundled and led out, interference between the rotating device 6, the vulcanization capsule 1 and the wire is avoided, and space is saved.

[0040] The protective cover 7 comprises a first outer peripheral part 22 and a second outer peripheral part 23 from top to bottom, the first outer peripheral part 22 covers the outer periphery of the heating device 5, and the second outer peripheral part 23 covers the outer periphery of the rotating device 6. The protective cover 7 further comprises an end cover 24 arranged on the top of the heating device 5. A plurality of open holes are arranged on the end cover 24, the second outer peripheral part 23 and the support disc 16, so as to define a flow channel of the gas medium and improve the heating efficiency. The protective cover 7 protects the heating device 5 and the rotating device 6, avoids the mutual contact and extrusion between the vulcanization capsule 1 and the heating device 5 or the rotating device 6, and avoids the mistaken touch of the equipment maintenance personnel, so as to reduce the safety risk. The protective cover 7 can be made of stainless steel, and preferably made of a material with low thermal conductivity, such as plastic, wood and the like.

[0041] The above merely describes the 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 modified and changed. 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.

[0042] Although the specific embodiments of the present application are described above in combination with the drawings, the description is not intended to limit the protection scope of the present application, and those skilled in the art should understand that various modifications or changes made on the basis of the technical solutions of the present application without creative labor are still within the protection scope of the present application.

Claims

1. A tire vulcanization apparatus characterized by, It comprises: a vulcanization capsule (1), the upper clamping edge of which is connected with an upper clamping assembly (2), and the lower clamping edge of which is connected with a lower clamping assembly (3); a central rod (4) which is arranged in the lower clamping assembly (3), and the upper end of which is fixed with the upper clamping assembly (2); a heating device (5) which is fixed inside the vulcanization capsule (1), and heats the gaseous medium which is introduced into the vulcanization capsule (1); a rotating device (6) which is sleeved on the central rod (4) inside the vulcanization capsule (1), and drives the gaseous medium inside the vulcanization capsule (1) to circulate; a protective cover (7) which is sleeved on the outer periphery of the heating device (5) and the rotating device (6).

2. The tire vulcanization device according to claim 1, wherein a ring seat (8) is arranged between the central rod (4) and the lower clamping assembly (3), the heating device (5) is fixed inside the vulcanization capsule (1) through a support assembly on the ring seat (8), and the central rod (4) can move up and down relative to the ring seat (8).

3. The tire vulcanization device according to claim 2, wherein the heating device (5) and the rotating device (6) are coaxially arranged along the central rod (4), and the heating device (5) is located above the axial direction of the rotating device (6).

4. The tire vulcanization device according to claim 2, further comprising a ring cylinder (9), the upper end of which is fixedly connected with the ring seat (8), and a concentric rotating cylinder (10) is arranged in the ring cylinder (9), the upper end of the rotating cylinder (10) passes through the center of the ring seat (8) and is connected with the rotating device (6), the lower end of the rotating cylinder (10) is connected with a driving device, the driving device drives the rotating cylinder (10) to rotate, thereby driving the rotating device (6) to rotate around the central rod (4) in the vulcanization capsule (1), and the upper end of the rotating cylinder (10) extends out of the ring cylinder (9) and is arranged with a bearing between the ring seat (8).

5. The tire vulcanization device according to claim 3, wherein the heating device (5) comprises a heating cylinder (11), the outer periphery of the side wall of the heating cylinder (11) is provided with a mounting groove (12), a heating element (13) is fixedly installed in the mounting groove (12), and a heat insulation piece (14) is arranged between the heating element (13) and the heating cylinder (11).

6. The tire vulcanizing apparatus according to claim 5, wherein the support assembly comprises a support frame (15), the upper end of the support frame (15) is fixedly connected with the bottom surface of a support disc (16), the lower end of the support frame (15) is fixed with the ring seat (8), the center of the support disc (16) is provided with a support cylinder (17), the support cylinder (17) is sleeved on the center rod (4) and has a gap with the center rod (4), the top surface of the support disc (16) supports the bottom end of the heating cylinder (11) and the support cylinder (17), and a plurality of support frames (15) are arranged in the circumferential direction of the outer periphery of the rotating device (6).

7. The tire vulcanizing apparatus according to claim 6, wherein the heating device (5) further comprises a heat dissipation member, the heat dissipation member is a plurality of fins (18) arranged in the circumferential direction of the center of the support cylinder (17), the fins (18) extend in the radial direction of the support cylinder (17), the outer end of the fin (18) is fixedly connected with the heating cylinder (11), and the inner end of the fin (18) is connected with the support cylinder (17), the spacing between the circumferentially adjacent fins (18) is a channel for the flow of gaseous medium.

8. The tire vulcanizing apparatus according to claim 7, wherein a wire tube (19) is arranged between the support disc (16) and the ring seat (8), the bottom end of the heating cylinder (11) and the ring seat (8) are each provided with a wire hole, the upper end of the wire tube (19) is in communication with the first wire hole (20) at the bottom end of the heating cylinder (11), the lower end of the wire tube (19) is in communication with the second wire hole (21) on the ring seat (8), and the wire of the heating element (13) is connected with an external power source in sequence through the first wire hole (20), the wire tube (19) and the second wire hole (21).

9. The tire vulcanizing apparatus according to claim 8, wherein the protective cover (7) comprises a first outer peripheral portion (22) and a second outer peripheral portion (23) from top to bottom, the first outer peripheral portion (22) surrounds the outer periphery of the heating cylinder (11), and the second outer peripheral portion (23) is arranged at the outer periphery of the rotating device (6), the protective cover (7) further comprises an end cover (24) at the top, and the end cover (24) is arranged at the top of the heating cylinder (11).

10. The tire vulcanizing apparatus according to claim 9, wherein a plurality of openings are formed in the end cover (24) and the support disc (16) and are adapted for the flow of gaseous medium, and a plurality of openings are also formed in the second outer peripheral portion (23) and are adapted for the flow of gaseous medium.

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