CN216442896U

CN216442896U - Quick preheating structure of mold in tire vulcanizer

Info

Publication number: CN216442896U
Application number: CN202122326488.5U
Authority: CN
Inventors: 耿鹏; 王忠孝
Original assignee: Hebei Wanda Tyre Co Ltd
Current assignee: Hebei Wanda Tyre Co Ltd
Priority date: 2021-09-25
Filing date: 2021-09-25
Publication date: 2022-05-06
Anticipated expiration: 2031-09-25

Abstract

The utility model belongs to the technical field of tire vulcanization and specifically relates to a structure is preheated fast of mould in tire vulcanizer and relates to a structure, including mould and heating structure, heating structure and mould interval set up, and the heating structure includes the coil that is coiled the setting by the wire, and the one end of coil is located the discoid central point of coil, the other end is located the discoid periphery of coil, and the coil leads to the alternating current, and the mould is magnetic conduction and electrically conductive metal. To the interior circular telegram alternating current of coil, can utilize the coil production electromagnetic field that coils the setting, later utilize the electromagnetic field to produce the vortex in magnetic conduction and electrically conductive mould to make the mould produce the heat, the rate of heating of this kind of mode is fast, simple structure, long service life and easy maintenance, manufacturing cost that can greatly reduced vulcanize.

Description

Quick preheating structure of mold in tire vulcanizer

Technical Field

The application relates to the field of tire vulcanization, in particular to a rapid preheating structure of a mold in a tire vulcanizer.

Background

In the production process of the tire, firstly, the tire blank is molded, then the tire blank is heated and vulcanized through a tire vulcanizing machine, the outer surface pattern block of the tire is molded by a mold in the vulcanization process, the inner side of the tire is inflated and pressurized, and the outer side of the tire blank can be ensured to be tightly attached to the mold.

The heating of the embryo depends primarily on the temperature at the mold. In the prior art, a steam coil pipe is mainly adopted for heating a mould in a tire vulcanizing machine, the mould is required to be used for a long time due to high manufacturing precision, and the steam heating is easy to damage or corrode, so that the service life and the precision of the mould are seriously influenced. Therefore, the heat plate is generally heated by a steam coil, and then the heat is transferred to the mold by the heat plate, and finally the heat of the mold is used to heat the vulcanized tire.

The technical defects are that a boiler needs to be independently configured by adopting steam for heating, the steam coil pipe is easy to corrode and rust after being used for a long time, air leakage is serious, the steam coil pipe needs to be overhauled and replaced frequently, the heating speed of heating is very slow, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the higher problem of manufacturing cost of present vulcanization heating, this application provides the quick preheating structure of mould in tire vulcanizer.

The application provides a pair of quick preheating structure of mould in tire vulcanizer adopts following technical scheme:

the utility model provides a structure is preheated fast of mould in tire vulcanizer, includes mould and heating structure, heating structure and mould interval set up, and heating structure includes the coil that is coiled the setting by the wire, and the one end of coil is located the discoid central point of coil, the other end is located the discoid periphery of coil, and the coil leads to the alternating current, and the mould is magnetic conduction and electrically conductive metal.

Through adopting above-mentioned technical scheme, to the interior circular telegram of coil, can utilize the coil production electromagnetic field that coils the setting, later utilize the electromagnetic field to produce the vortex in magnetic conduction and electrically conductive mould to make the mould produce the heat, the rate of heating of this kind of mode is fast, simple structure, long service life and easy maintenance, manufacturing cost that can greatly reduced vulcanizes.

Preferably, the coil is a copper coil.

By adopting the technical scheme, the copper coil pipe has small resistance, the hollow pipe has small mass, and the comprehensive cost and the performance-price ratio are high.

Preferably, the heating structure is mounted on a fixed disk, and the fixed disk is made of cast aluminum material.

By adopting the technical scheme, the magnetic permeability of the cast aluminum material is poor, and more heat cannot be generated in an electromagnetic field of the coil, so that the fixed disc cannot be at higher temperature after the coil is electrified, and the fixed disc is suitable for fixedly mounting the coil.

Preferably, a plurality of positioning columns are fixedly arranged on the fixed disc, and the coil is limited by the positioning columns.

Through adopting above-mentioned technical scheme, utilize the reference column to come spacing coil to keep the position of coil on the fixed disk.

Preferably, the reference column divide into the multiunit, and every group reference column includes a plurality ofly, and the reference column in every group sets up along the even interval of straight line to every group reference column radially sets up along the fixed disk, and the coil pipe of coil passes the clearance between the adjacent reference column in every group.

By adopting the technical scheme, the positioning column can be used for limiting in an all-around manner and clamping the coil, so that the stability of the position of the coil on the fixed disc is ensured.

Preferably, a junction box is fixed on the periphery of the fixed disc, a first lead is integrally connected to one end of the inner side of the coil, a second lead is integrally connected to one end of the outer side of the coil, and the first lead and the second lead both extend into the junction box.

Through adopting above-mentioned technical scheme, the wiring and the circular telegram of the coil of being convenient for.

Preferably, the fixed disc is provided with a yielding groove, and the first lead is accommodated in the yielding groove.

Through adopting above-mentioned technical scheme, can avoid first wire and coil to produce the interference.

In summary, the present application has the following technical effects:

1. the heating structure adopts the coil which is coiled, so that the effect of reducing the production cost of vulcanization heating is achieved;

2. through set up the reference column on the fixed disk, help promoting the stability of coil.

Drawings

Fig. 1 is a schematic layout diagram of the rapid preheating structure in the present embodiment.

Fig. 2 is a schematic structural view of the heating structure and the fixed disk in the present embodiment.

Description of reference numerals: 1. a mold; 2. a heating structure; 21. a coil; 211. a first conductive line; 212. a second conductive line; 3. fixing the disc; 31. a positioning column; 32. a yielding groove; 4. a junction box.

Detailed Description

As shown in fig. 1, the present embodiment describes a quick preheating structure for a mold in a tire vulcanizer, including a mold 1, a heating structure 2 and a fixed disk 3, the fixed disk 3 is located outside the mold 1, the heating structure 2 is installed on the fixed disk 3, the heating structure 2 is an electromagnetic coil, and alternating electromagnetic fields are generated around the heating structure 2 by supplying alternating current to the heating structure 2, so as to heat the mold 1 by the electromagnetic fields.

The mould 1 is made of a magnetically conductive and electrically conductive material, such as iron, so that the mould 1 is heated rapidly by eddy currents in the alternating electromagnetic field. Meanwhile, the fixed disk 3 is made of cast aluminum with poor magnetic permeability, so that the heating speed of the fixed disk 3 affected in an electromagnetic field is reduced.

As shown in fig. 2, the heating structure 2 includes a coil 21, and the coil 21 is formed by spirally winding a conductor from the middle to the outside, and the conductor is a tubular body made of copper, which is also called a coil. One end of the coil 21 is located at the central part, the other end of the coil 21 is located at the outermost side of the coil 21, one end of the coil 21 located at the central part is integrally connected with a first lead wire 211, the end part of the coil 21 located at the outer side is integrally connected with a second lead wire 212, and the first lead wire 211 and the second lead wire 212 extend out of the fixed disk 3 along the radial direction of the fixed disk 3. The first wire 211 and the second wire 212 are preferably arranged in parallel and extend outward in the same direction, the terminal box 4 is fixedly arranged on the periphery of the fixed disk 3, and the first wire 211 and the second wire 212 extend into the terminal box 4 so as to energize the coil 21.

As shown in fig. 2, since the coil 21 is coiled and the first conductive wires 211 are arranged from the inside to the outside, in order to avoid interference between the first conductive wires 211 and the coiled coil 21, an abdicating slot 32 may be formed at the bottom of the fixed disk 3, and the first conductive wires 211 are accommodated in the abdicating slot 32, and at this time, the first conductive wires 211 are located below the coil 21, so that the first conductive wires 211 and the coil 21 are dislocated, thereby completing abdicating.

As shown in fig. 2, a plurality of positioning posts 31 are fixedly disposed on the fixed plate 3, and the coil 21 is positioned and mounted on the fixed plate 3 by the positioning posts 31. The positioning columns 31 on the fixed disk 3 are divided into a plurality of groups, the positioning columns 31 in each group are uniformly arranged at intervals along a straight line, and each group of positioning columns 31 is arranged along the radial direction of the fixed disk 3. In this embodiment, the positioning columns 31 are divided into four groups, an included angle between each group of positioning columns 31 is 90 °, each group of positioning columns 31 includes four positioning columns 31, and the coil pipes spirally arranged in the coils 21 penetrate through a gap between adjacent positioning columns 31 in each group. On the one hand, the positioning column 31 can be used for correcting the interval of the spiral disc of the coil 21, on the other hand, the positioning column 31 can be used for supporting and clamping the coil 21, the stability of the coil 21 is ensured, and meanwhile, the coil 21 is convenient to replace.

The working process of the utility model is as follows:

first, alternating current is supplied into the first lead 211 and the second lead 212 from the terminal box 4, then the coil 21 can generate an electromagnetic field after being supplied with the current, and the mold 1 is heated by the action of the electromagnetic field, so that rapid heating is realized, and vulcanization of the tire is completed.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a structure is preheated fast of mould in tire vulcanizer, includes mould (1) and heating structure (2), its characterized in that, heating structure (2) and mould (1) interval set up, and heating structure (2) include coil (21) that coil set up by the wire, and the one end of coil (21) is located coil (21) discoid central point, the other end is located coil (21) discoid periphery, and coil (21) lead to the alternating current, and mould (1) is magnetic conduction and electrically conductive metal.

2. A rapid preheating structure according to claim 1, characterized in that the coil (21) is a copper coil.

3. The rapid preheating structure according to claim 2, wherein the heating structure (2) is mounted on a fixed tray (3), and the fixed tray (3) is made of cast aluminum material.

4. The rapid preheating structure according to claim 3, wherein a plurality of positioning posts (31) are fixedly arranged on the fixed disk (3), and the coil (21) is limited by the positioning posts (31).

5. The structure of claim 4, characterized in that the positioning columns (31) are divided into a plurality of groups, each group of positioning columns (31) comprises a plurality of positioning columns, the positioning columns (31) in each group are uniformly spaced along a straight line, each group of positioning columns (31) is arranged along the radial direction of the fixed disk (3), and the coil of the coil (21) passes through the gap between the adjacent positioning columns (31) in each group.

6. The rapid preheating structure according to any one of claims 3 to 5, wherein a junction box (4) is fixed on the periphery of the fixed disk (3), a first lead (211) is integrally connected to one end of the inner side of the coil (21), a second lead (212) is integrally connected to one end of the outer side of the coil (21), and the first lead (211) and the second lead (212) both extend into the junction box (4).

7. The rapid preheating structure according to claim 6, wherein the fixed tray (3) is provided with a recess (32), and the first conductive wire (211) is received in the recess (32).