CN116604856B

CN116604856B - Vulcanizing equipment

Info

Publication number: CN116604856B
Application number: CN202310891493.1A
Authority: CN
Inventors: 李健; 孙日文; 刘卫华; 王尧鹏
Original assignee: Himile Mechanical Science and Technology Shandong Co Ltd
Current assignee: Himile Mechanical Science and Technology Shandong Co Ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2023-09-29
Anticipated expiration: 2043-07-20
Also published as: CN116604856A

Abstract

The present invention provides a vulcanization apparatus comprising: vulcanizing mold, vulcanizing capsule, support assembly, center rod, etc. The rotating piece is coaxially arranged with the central rod and is suitable for rotating around the central rod under the action of external force, and the rotating piece is a magnetic conduction piece; a coil is spaced from the rotating member along the axis of the central rod, the coil being adapted to be electrically connected to an alternating current and to form electromagnetic induction upon energization to heat the rotating member. The alternating magnetic field is generated by the coil which is electrified with alternating current, and the alternating magnetic field generates electromagnetic induction phenomenon on the rotating member which is arranged at intervals with the coil, so that eddy current is generated, the temperature of the rotating member can be increased by the Joule effect of the eddy current, the rotating member generates heat, the rotating member is used as a heating element, the original structural form of the resistance heating tube as the heating element is abandoned, and meanwhile, the heat generation condition of the rotating member is effectively regulated by regulating the size of the alternating current which is electrically connected with the coil at the input end.

Description

Vulcanizing equipment

Technical Field

The invention relates to the technical field of vulcanizing devices, in particular to vulcanizing equipment.

Background

In industrial production, vulcanization is often employed to increase the overall hardness of certain materials.

For example, tire vulcanization refers to vulcanization of a tire casing by a mold pressurization method. Before vulcanization, the tire is a plastic rubber with viscoelasticity, is easy to deform, has low strength and no use value, and is cured into a high-elasticity rubber with use value through vulcanization.

The conventional tire vulcanization process adopts nitrogen as heating medium gas, specifically, the green tire is placed between a sealed vulcanization capsule and a vulcanization mold, the nitrogen is introduced into the vulcanization capsule, and the heating component is utilized to heat the nitrogen in the vulcanization capsule, so that high-temperature nitrogen acts on the inner side of the vulcanization capsule to provide heat required by vulcanization, meanwhile, the nitrogen can also provide pressure required by vulcanization, the vulcanization capsule expands and extrudes the green tire, and the green tire is shaped and vulcanized by matching with a vulcanizing machine, so that the strength of the tire is improved.

In the partial vulcanizing equipment in the prior art, a resistive electric heating pipe is arranged near a central rod in a vulcanizing capsule or at the periphery of a vulcanizing mold, and the electric heating pipe is electrified to generate heat after heating medium gas is introduced into the vulcanizing capsule, so that the heating operation of the internal heating medium gas is realized.

However, the resistive heating pipe is difficult to install, has low energy efficiency ratio, and is easy to cause slow temperature feedback due to low temperature rising speed, so that the risk of excessive heating caused by temperature overshoot is brought.

Disclosure of Invention

Therefore, the technical problems to be solved by the invention are as follows: the vulcanizing device overcomes the defects that the resistor type heating pipe adopted by the vulcanizing device in the prior art is difficult to install, the energy efficiency ratio is low, and the temperature feedback is slow due to the low temperature rising speed, so that the risk of excessive heating due to temperature overshoot is brought.

To this end, the invention provides a vulcanisation apparatus comprising:

the vulcanizing mold is arranged in an openable and closable manner, and a vulcanizing cavity is formed in the vulcanizing mold;

a curing bladder adapted to be placed in said curing chamber;

a support assembly comprising a central rod, and clamping means provided on said central rod, said clamping means being adapted to sealingly mount said curing bladder in said cavity;

the vulcanization equipment further includes:

the rotating piece is coaxially arranged with the central rod and is suitable for rotating around the central rod under the action of external force, and the rotating piece is a magnetic conduction piece;

and a coil spaced from the rotary member in an axial direction of the center rod, the coil being adapted to be electrically connected to an alternating current and to form electromagnetic induction after being energized to heat the rotary member.

Optionally, a side of the rotating member near the coil is provided as a plate-like structure, and at least a part of a projection of the plate-like structure on the coil coincides with the coil.

Optionally, the bottom plane of the plate-like structure is arranged parallel to the plane of the coil.

Optionally, the method further comprises:

the shaft sleeve is arranged outside the central rod in a clearance fit manner, and the rotating piece is rotationally connected with the shaft sleeve;

and an electromagnetic assembly disposed between the sleeve and the rotating member, the electromagnetic assembly adapted to be energized to rotate the rotating member.

Optionally, the electromagnetic assembly includes:

the permanent magnet piece is arranged on the side wall of the rotating piece, which is close to the shaft sleeve;

and the armature winding is arranged on the shaft sleeve corresponding to the permanent magnet piece and is suitable for being electrified to drive the rotating piece to rotate.

Optionally, a step part is arranged on the shaft sleeve, and the rotating piece is installed on the step part and is rotationally connected with the shaft sleeve through a plane bearing.

Optionally, the clamping device comprises a ring seat, a mounting seat is arranged above the ring seat, a mounting position is formed on the mounting seat, and the coil is embedded in the mounting position.

Optionally, an inverter is further included and electrically connected to the coil through a wire.

Optionally, the ring seat and the mounting seat are provided with a wire passing pipeline, and the wire is arranged in the wire passing pipeline in a penetrating way.

Optionally, the clamping device further comprises:

the lower clamping ring is arranged on the ring seat, and the lower end of the vulcanization capsule is clamped between the lower clamping ring and the vulcanization mold;

an upper clamping ring which is arranged on the extending end of the center rod, and the upper end of the vulcanization capsule is clamped between the upper clamping ring and the vulcanization mold;

a lower compression ring is arranged between the lower clamping ring and the vulcanization mold, and an upper compression ring is arranged between the upper clamping ring and the vulcanization mold.

The technical scheme of the invention has the following advantages:

1. the present invention provides a vulcanization apparatus comprising: the vulcanizing mold is arranged in an openable and closable manner, and a vulcanizing cavity is formed in the vulcanizing mold; a curing bladder adapted to be placed in said curing chamber; a support assembly comprising a central rod, and clamping means provided on said central rod, said clamping means being adapted to sealingly mount said curing bladder in said cavity; the vulcanization equipment further includes: the rotating piece is coaxially arranged with the central rod and is suitable for rotating around the central rod under the action of external force, and the rotating piece is a magnetic conduction piece; and the coil is suitable for being electrically connected with alternating current and forming electromagnetic induction after being electrified so as to heat the rotating piece.

In the prior art, in order to realize the circulation of air flow in the interior of the vulcanization capsule, a gas circulation assembly is generally arranged, and nitrogen in the vulcanization capsule is driven to flow by arranging the gas circulation assembly in the vulcanization capsule, so that the temperature distribution in the vulcanization capsule is uniform. However, the above structure inevitably occupies the space inside the curing bladder, so that the structural redundancy inside the curing bladder is caused, and the processing specification of the curing bladder is further limited.

The alternating magnetic field is generated through the coil which is electrified with alternating current, the rotating piece is arranged as a magnetic conduction piece, the alternating magnetic field generates electromagnetic induction phenomenon on the rotating piece which is arranged at intervals with the coil, so that eddy current is generated, the joule effect of eddy current can improve the temperature of the rotating piece, the rotating piece generates heat, the gas medium is heated by the heat, and the rotating piece driven by external force rotates to drive the gas medium in the vulcanizing capsule to flow, so that the temperature distribution in the vulcanizing capsule is uniform.

According to the vulcanizing equipment, the rotating piece serving as the magnetic conduction piece is matched with the coil suitable for being supplied with alternating current, so that the rotating piece generates heat, the gas medium is heated by the heat, the rotating piece rotates to drive the gas medium to flow, the temperature in the vulcanizing capsule is uniformly distributed, the rotating piece is used as a heating element, the original structural form of the resistance type heating pipe serving as the heating element is abandoned, meanwhile, the heat generating condition of the rotating piece is effectively regulated by adjusting the size of the alternating current electrically connected with the coil at the input end, and the defects that in the prior art, the vulcanizing equipment is difficult to install by adopting the resistance type heating pipe, the energy efficiency ratio is low, and temperature feedback is slow due to low temperature rising speed, so that the risk of excessive heating of temperature overshoot is brought easily.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a vulcanizing device according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of a rotary member according to the present invention.

Reference numerals illustrate:

1. a rotating member; 2. vulcanizing the capsule; 3. a central rod; 4. a clamping device; 41. a ring seat; 42. a lower clamping ring; 43. a clamping ring is arranged; 44. a lower pressing ring; 45. a pressing ring is arranged; 5. a coil; 6. a wire; 7. a shaft sleeve; 71. a step portion; 8. an electromagnetic assembly; 81. a permanent magnet member; 82. an armature winding; 9. a mounting base; 91. a mounting position; 10. a planar bearing; 101. an inverter.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

Example 1

This embodiment provides a vulcanizing apparatus, as shown in fig. 1 to 3, including: a rotating member 1, a curing bladder 2, a central rod 3, a clamping device 4, a coil 5, etc.

The vulcanizing mold (shown in the figure) is arranged in an openable and closable way, and a vulcanizing cavity is formed in the vulcanizing mold.

Specifically, the vulcanizing mold is of an up-down structure, after the upper end vulcanizing mold is separated from the upper end and the lower end of the vulcanizing mold by matching with the liftable central rod 3 and the partial clamping device 4, the central rod 3 can be lifted to enable the vulcanizing capsule 2 to be folded, the green tire to be vulcanized is placed in the vulcanizing cavity, the upper end and the lower end of the vulcanizing mold are closed when the upper end vulcanizing mold is lowered, and clamping force is provided for the vulcanizing mold by a vulcanizing machine in the vulcanizing process.

Further, it should be noted that the vulcanizing mold in this embodiment is a two-half mold, and in some other embodiments, the vulcanizing mold may also be other structural forms such as a two-half mold, an upper open mold, a lower open mold, and the like.

The curing bladder 2 is adapted to be placed in a curing chamber.

Specifically, the curing bladder 2 is a hollow thin-wall rubber product of a vulcanizing machine, and is used for filling a green tire to be vulcanized, then introducing a gas medium, and matching with the vulcanizing machine to carry out shaping and vulcanization operations. The gas medium is an inert gas or a rare gas as long as it does not participate in the redox reaction, and further optionally nitrogen in this embodiment.

The support assembly comprises a central rod 3 and clamping means 4 provided on the central rod 3, the clamping means 4 being adapted to sealingly mount the vulcanisation capsule 2 in the cavity.

Specifically, after the upper end and the lower end of the vulcanizing mold are separated, the central rod 3 can be lifted, the green tire to be vulcanized is placed in the vulcanizing cavity, after the central rod 3 can be lowered, the upper end and the lower end of the vulcanizing mold are closed when the upper end vulcanizing mold is lowered. The clamping means 4 provided on the central rod 3 are adapted to seal the vulcanisation capsule 2 against leakage of gaseous medium.

The rotating piece 1 is coaxially arranged with the central rod 3 and is suitable for rotating around the central rod 3 under the action of external force, and the rotating piece 1 is a magnetic conduction piece; the coil 5 is arranged at a distance from the rotating member 1 in the axial extension of the central rod 3, the coil 5 being adapted to be electrically connected to an alternating current and to form an electromagnetic induction after being energized for heating the rotating member 1. Fig. 3 shows a schematic structural view of the rotary member 1.

Specifically, an alternating magnetic field is generated through a coil 5 to which alternating current is introduced, the rotating member 1 is set to be a magnetic conductive member, the alternating magnetic field generates electromagnetic induction phenomenon on the rotating member 1 which is arranged at intervals from the coil 5, so that eddy current is generated, the joule effect of eddy current can raise the temperature of the rotating member 1, the rotating member 1 generates heat, the gas medium is heated by the heat, and the rotating member 1 driven by external force rotates to drive the gas medium in the curing bladder 2 to flow, so that the temperature distribution in the curing bladder is uniform.

Further, the space between the coil 5 and the rotating member 1 should be as small as possible, so that the rotating member 1 obtains a larger heating efficiency, but it is necessary to ensure that the rotating member 1 is not burnt due to overheating, so that in the practical application process, multiple debugging is required, so as to determine the optimal space between the coil 5 and the rotating member 1.

According to the vulcanizing equipment provided by the embodiment, the rotating piece 1 serving as the magnetic conduction piece is matched with the coil 5 suitable for being supplied with alternating current, so that the rotating piece 1 generates heat, a gas medium is heated by the heat, the rotating piece 1 rotates to drive the gas medium to flow, the temperature distribution in the vulcanizing capsule is uniform, the rotating piece 1 is used as a heating element, the original structural form of the resistance heating pipe serving as the heating element is abandoned, meanwhile, the heat generating condition of the rotating piece 1 is effectively regulated by adjusting the size of the alternating current electrically connected with the coil 5 at the input end, and the defects that in the prior art, the vulcanizing equipment is difficult to install by adopting the resistance heating pipe, the energy efficiency ratio is low, and the temperature feedback is slow due to low temperature rising speed, so that the risk of excessive heating due to temperature overshoot is brought are overcome.

Further, in the present embodiment, the positional relationship between the rotating member 1 and the coil 5 is not limited, and it is sufficient to ensure that the two are disposed adjacently to facilitate the electromagnetic induction phenomenon. As an embodiment, as shown in fig. 1, the rotary 1 is disposed above the coil 5. As another embodiment, the rotary 1 is provided below the coil 5.

Further, the rotating member 1 is configured as a magnetic conductive member, and the material may be aluminum or an alloy thereof, such as stainless steel, carbon steel, ferronickel, or a titanium alloy.

As a further limiting embodiment, as shown in fig. 1 and 2, the rotating element 1 is provided with a plate-like structure on the side close to the coil 5, and at least a part of the projection of the plate-like structure on the coil 5 coincides with the coil.

Specifically, the coils 5 are distributed in a spiral shape in a plane shape, one side of the rotating member 1, which is close to the coils 5, is of a plate-shaped structure, and after the alternating magnetic field is generated by the coils 5 which are fed with alternating current, the alternating magnetic field is convenient to generate electromagnetic induction phenomenon at the position of the rotating member 1 of the plate-shaped structure and form eddy currents, so that the heating efficiency of the rotating member 1 is further improved.

Specifically, the planar portion of the plate-shaped structure may be disposed parallel to the plane in which the coil 5 is located, or the planar portion of the plate-shaped structure is disposed obliquely, so that it is required to ensure that at least a portion of the projection of the planar portion of the plate-shaped structure on the coil 5 coincides with the coil, so that the alternating magnetic field generates electromagnetic induction phenomenon and forms eddy currents at the position of the rotating member 1 having the plate-shaped structure, and according to the definition of the magnetic flux:

Φ=BScosθ

b: representing the magnetic induction intensity;

s: representing the area perpendicular to the direction of the magnetic lines;

Φ: representing the magnetic flux through the S area;

θ: indicating the angle of the magnetic field with respect to the plane.

Therefore, by providing the plate-like structure, and when the inclination angle θ of the planar portion of the plate-like structure decreases, the planar portion of the plate-like structure gradually tends to be parallel to the plane in which the coil 5 is located, in the course of this change, S, that is, the area in which the magnetic flux lines are perpendicular is effectively increased, so that the magnetic flux is effectively increased, and the heating effect on the rotary member 1 is then improved, and when θ decreases to 0, the planar portion of the plate-like structure can be disposed parallel to the plane in which the coil 5 is located, at this time, the area in which the magnetic flux lines are perpendicular is maximized, and the magnetic flux is maximized accordingly, and the heating effect on the rotary member 1 is the best.

Further, one side of the rotating member 1, which is close to the coil 5, is provided with a plate-shaped structure, and other positions are turbine-shaped and provided with fan blades, and the fan blades are rotated after the rotating member 1 is driven by external force, so that the gas medium is driven to flow.

As a further limiting embodiment, the bottom plane of the plate-like structure is arranged parallel to the plane of the coil 5 as shown in fig. 1 and 2.

Specifically, the bottom plane of the plate-like structure is disposed parallel to the plane of the coil 5, so that the area S is maximized, the magnetic flux is maximized, and the heating effect on the rotary member 1 is further improved.

On the basis of the above embodiments, as further defined embodiments, as shown in fig. 1 and 2, the vulcanizing apparatus further includes: a sleeve 7, an electromagnetic assembly 8, etc.

The shaft sleeve 7 is arranged outside the central rod 3 in a clearance fit manner, and the rotating member 1 is rotatably connected with the shaft sleeve 7.

Specifically, the shaft sleeve 7 provides an installation position for the rotating member 1, and the vulcanizing mold is opened and closed because the center rod 3 needs to move up and down, so that the shaft sleeve 7 is arranged outside the center rod 3 in a clearance fit manner to avoid influencing the installation position of the rotating member 1 when the center rod 3 moves, and the accuracy of the installation position of the subsequent electromagnetic assembly 8 is ensured.

An electromagnetic assembly 8 is arranged between the sleeve 7 and the rotating member 1, the electromagnetic assembly 8 being adapted to be energized to rotate the rotating member 1.

Specifically, when the electromagnetic assembly 8 is partially electrified, the shaft sleeve 7 serves as a stator, the rotating member 1 serves as a rotor, electromagnetic induction is generated between the two structures through the electromagnetic assembly 8, and finally the rotating member 1 rotates, so that driving power is provided for the rotating member 1.

As an alternative embodiment, the rotating member 1 is in power connection with a driving motor through a plurality of force transmission members, and the driving motor is used as a power source to enable the rotating member 1 to rotate, so that driving power is provided for the rotating member 1.

As a further limiting embodiment, as shown in fig. 1 and 2, the electromagnetic assembly 8 includes: permanent magnet 81 and armature winding 82.

The permanent magnet member 81 is arranged on the side wall of the rotating member 1 close to the shaft sleeve 7; an armature winding 82 is provided on the sleeve 7 in correspondence with the permanent magnet member 81, the armature winding 82 being adapted to be energized to drive the rotation of the rotary member 1.

Specifically, through the cooperation of the permanent magnet 81 and the armature winding 82, when the armature winding 82 is electrified, an electromagnetic induction effect is generated between the permanent magnet 81 and the armature winding 82, so that the rotating member 1 is driven to rotate, and the gas medium is driven to flow through the rotation of the rotating member 1, so that the temperature distribution in the vulcanization capsule is uniform.

Further, for the fixing form of the permanent magnet 81 on the rotating member 1, after the permanent magnet 81 is sleeved into the rotating member 1, bolts may be used to fasten and fix the permanent magnet on the side or to fix the permanent magnet by welding.

Further, the permanent magnet pieces are arranged for a whole circle or uniformly distributed at intervals of small blocks.

Further, the type of armature winding 82 energized may be direct current or alternating current.

Further, the permanent magnet member 81 and the armature winding 82 in the electromagnetic assembly 8 are disposed at a middle-upper position between the rotating member 1 and the sleeve 7 away from the coil 5, i.e. a slot is formed between the rotating member 1 and the sleeve 7, so as to provide mounting positions for the permanent magnet member 81 and the armature winding 82, so as to avoid possible demagnetization influence of heat generation of the coil 5 on the permanent magnet member 81.

Further, the temperature of the rotating member 1 gradually decreases in a direction away from the coil 5 during heating, and the position temperature of the rotating member 1 is about 200 ℃, so that the permanent magnet member 81 adopts a high temperature resistant magnetic member, such as alnico, samarium cobalt, etc., to avoid possible demagnetization of the permanent magnet member 81 caused by heating of the rotating member 1.

As an alternative embodiment, the permanent magnet 81 is provided as an energized coil, and the magnetic field is generated by energizing the coil to satisfy the magnetic field requirement of the armature winding 82.

As a further limiting embodiment, as shown in fig. 1 and 2, the boss 7 is provided with a stepped portion 71, and the rotator 1 is mounted on the stepped portion 71 and is rotatably connected to the boss 7 through the flat bearing 10.

Specifically, the shaft sleeve 7 is provided with the step part 71, the rotating member 1 is provided with a corresponding inner shaft profile corresponding to the outer wall of the shaft sleeve 7 and the step part 71, so that the rotating member 1 can be sleeved on the shaft sleeve 7 and stably fall on the position of the step part 71, and meanwhile, the plane bearing 10 is arranged at the connection position of the rotating member 1 and the shaft sleeve 7 to ensure that the rotating member 1 stably rotates relative to the shaft sleeve 7.

Further, a washer is arranged on the outer side of the plane bearing 10, so that the plane bearing 10 is tightly connected with the rotating piece 1, and the rotating stability of the rotating piece 1 relative to the shaft sleeve 7 is further improved.

Further, in the view of fig. 2, a portion above the stepped portion 71 is provided as a rotational connection portion of the rotary 1 with the boss 7.

On the basis of the above-described embodiments, as a further defined embodiment, the clamping device 4 comprises a ring seat 41, on which ring seat 41 a mounting position is formed, in which the coil 5 is embedded.

Specifically, the coil 5 is directly disposed on the ring seat 41, thereby further simplifying the internal structure of the vulcanizing device. At this time, the ring seat 41 is provided as an insulating material such as a resin glass fiber product or the like.

As a further limiting embodiment, as shown in fig. 1 and 2, the clamping device 4 includes a ring seat 41, a mounting seat 9 is provided above the ring seat 41, a mounting position 91 is formed on the mounting seat 9, and the coil 5 is embedded in the mounting position 91.

Specifically, through setting up mount pad 9, promote certain high setting in the middle part position of curing bladder 2 with coil 5 for medium gas flows more smoothly in curing bladder 2, and the guiding medium gas of inner wall to curing bladder 2 when being convenient for rotating member 1 operation.

Further, the mounting position 91 is provided corresponding to the shape of the coil 5, and is integrally formed on the mounting seat 9.

Further, the mount 9 is provided as an insulating material such as a resin glass fiber product or the like.

As a further defined embodiment, the vulcanizing device further includes an inverter 101 electrically connected to the coil 5 through a wire 6, as shown in fig. 1, on the basis of the above-described embodiment.

Specifically, an alternating current generated by the inverter 101 is inputted to the coil 5 through the wire 6, so that the coil 5 generates an alternating magnetic field, and further an electromagnetic induction phenomenon occurs on the rotary 1, thereby generating eddy currents.

Further, the inverter 101 is used to access 220V ac, and the inverter amplifies the voltage to 380V, so as to heat the rotating member 1.

Further, by adjusting the input voltage of the inverter circuit in the inverter 101, the intensity of the alternating magnetic field generated by the coil 5 is adjusted, and the heating power of the rotating member 1 is further adjusted, so that the real-time regulation and control of the heat generated by the rotating member 1 serving as a heating element is realized.

Further, by arranging the inverter 101 to generate alternating current, the alternating current can also be used as an external power supply of the armature winding 82 to supply power to the armature winding, so that unified power supply of the coil 5 and the armature winding 82 is realized, and the alternating current is used as input current, so that the structure of the vulcanizing device is further simplified.

In addition to the above-described embodiments, as a further defined embodiment, the ring seat 41 and the mount seat 9 are provided with a wire passage in which the wire 6 is inserted.

Specifically, the wire 6 is conveniently connected into the coil 5 from the outside through the arrangement of the wire passing pipe, and meanwhile, sealing treatment is carried out at the inlet and outlet positions of the wire 6 on the ring seat 41 and the mounting seat 9, so that the vulcanization quality of the vulcanizing equipment is ensured.

As a further limiting embodiment, as shown in fig. 1 and 2, the clamping device 4 further includes: a lower clamping ring 42, an upper clamping ring 43, a lower clamping ring 44 and an upper clamping ring 45.

A lower clamping ring 42 mounted on the ring seat 41, the lower end of the curing bladder 2 being clamped between the lower clamping ring 42 and the curing mold; an upper clamp ring 43 mounted on the projecting end of the central rod 3, the upper end of the curing bladder 2 being clamped between the upper clamp ring 43 and the curing mold; a lower compression ring 44 is arranged between the lower clamping ring 42 and the vulcanization mold, and an upper compression ring 45 is arranged between the upper clamping ring 43 and the vulcanization mold.

Specifically, the clamping device 4 is arranged to clamp and seal the curing bladder 2, so that the condition that the curing quality of the curing equipment is reduced and even the curing operation cannot be performed is avoided because the heating medium gas in the curing bladder 2 leaks.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.

Claims

1. A vulcanization apparatus comprising:

-a vulcanisation capsule (2) adapted to be placed in said vulcanisation chamber;

-a support assembly comprising a central rod (3), and clamping means (4) provided on said central rod (3), said clamping means (4) being suitable for sealingly mounting said vulcanisation capsule (2) in said cavity;

characterized in that the vulcanisation apparatus further comprises:

the rotating piece (1) is coaxially arranged with the central rod (3) and is suitable for rotating around the central rod (3) under the action of external force, and the rotating piece (1) is a magnetic conduction piece;

a coil (5) arranged at a distance from the rotating member (1) in the axial direction of the central rod (3), the coil (5) being adapted to be electrically connected to an alternating current and to form electromagnetic induction after being energized to heat the rotating member (1);

the shaft sleeve (7) is arranged outside the central rod (3) in a clearance fit manner, and the rotating piece (1) is rotationally connected with the shaft sleeve (7);

-an electromagnetic assembly (8) arranged between the bushing (7) and the rotating member (1), the electromagnetic assembly (8) being adapted to be energized to rotate the rotating member (1);

the electromagnetic assembly (8) comprises:

the permanent magnet piece (81) is arranged on the side wall of the rotating piece (1) close to the shaft sleeve (7);

and an armature winding (82) arranged on the shaft sleeve (7) corresponding to the permanent magnet piece (81), wherein the armature winding (82) is suitable for being electrified to drive the rotating piece (1) to rotate.

2. A vulcanisation apparatus according to claim 1, wherein the side of the rotating member (1) close to the coil (5) is provided as a plate-like structure, the projection of which onto the coil (5) coincides at least partially with the coil.

3. A vulcanisation apparatus according to claim 2, wherein the bottom plane of the plate-like structure is arranged parallel to the plane of the coils (5).

4. A vulcanisation apparatus according to claim 1, wherein the sleeve (7) is provided with a step (71), the rotating member (1) being mounted on the step (71) and being rotatably connected to the sleeve (7) by means of a planar bearing (10).

5. A vulcanisation apparatus according to any of the claims 1-3, wherein the clamping device (4) comprises a ring seat (41), a mounting seat (9) is arranged above the ring seat (41), a mounting location (91) is formed on the mounting seat (9), and the coil (5) is embedded in the mounting location (91).

6. The vulcanisation apparatus according to claim 5, further comprising an inverter (101) electrically connected to said coil (5) through a wire (6).

7. Vulcanizing device according to claim 6, characterized in that the ring seat (41) and the mounting seat (9) are provided with a wire conduit in which the wire (6) is threaded.

8. The vulcanisation apparatus according to claim 5, wherein said gripping device (4) further comprises:

a lower clamping ring (42) mounted on the ring seat (41), wherein the lower end of the vulcanization capsule (2) is clamped between the lower clamping ring (42) and the vulcanization mold;

an upper clamping ring (43) mounted on the projecting end of the central rod (3), the upper end of the curing bladder (2) being clamped between the upper clamping ring (43) and the curing mold;

a lower compression ring (44) is arranged between the lower clamping ring (42) and the vulcanization mold, and an upper compression ring (45) is arranged between the upper clamping ring (43) and the vulcanization mold.