CN218570506U

CN218570506U - Rapid uniform heating device of tire vulcanizer and vulcanizer

Info

Publication number: CN218570506U
Application number: CN202222592846.1U
Authority: CN
Inventors: 邓四维; 陈辉明
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-03-03
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a quick even heating device and vulcanizer of tire vulcanizer. The rapid uniform heating device comprises a substrate and a plurality of groups of heating coils, wherein a spiral groove is formed in one end face of the substrate, the plurality of groups of heating coils are sequentially laid in a preset area of the spiral groove of the substrate respectively, the end parts of adjacent groups of heating coils are close to each other, so that the plurality of groups of heating coils are uniformly embedded in the spiral groove of the substrate, the input ends of the plurality of groups of heating coils are arranged in parallel, the output ends of the plurality of groups of heating coils are arranged in parallel, and the plurality of groups of heating coils are all connected with an alternating current power supply. The vulcanizing machine adopts the rapid and uniform heating device. The utility model discloses in, heating device's rate of heating is fast, and the temperature is even, improves vulcanization efficiency, simple structure, long service life and easy maintenance, manufacturing cost that can greatly reduced vulcanize.

Description

Rapid uniform heating device of tire vulcanizer and vulcanizer

Technical Field

The utility model relates to a quick even heating device of tire vulcanizer of the field of tire vulcanization especially relates to a quick even heating device and vulcanizer of tire vulcanizer.

Background

The vulcanizer is a machine for vulcanizing various rubber and plastics, and has the functions of timing mould locking, automatic pressure supplementing, automatic temperature control, automatic timing, time-up alarm and the like.

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.

At present, in the use to the vulcanizer, especially relate to the use to the hot plate, current hot plate mostly adopts forms such as electrical heating, steam heating and conduction oil heating, but this kind of mode leads to heating effect not good in the operation, and rate of heating is slower, heats inhomogeneous scheduling problem to current hot plate is that the multilayer metal sheet stack has been accomplished heat conduction to the heat, influences the transmission to the heat, and the heating effect is inhomogeneous.

SUMMERY OF THE UTILITY MODEL

In order to solve the heating speed in the tire vulcanization process that leads to among the prior art slower, the inhomogeneous scheduling problem of heating, the utility model provides a quick even heating device and vulcanizer of tire vulcanizer.

In order to achieve the above object, the utility model provides a following technical scheme:

1. rapid uniform heating device of tire vulcanizer

The rapid uniform heating device comprises a substrate and a plurality of groups of heating coils, wherein a spiral groove is formed in one end face of the substrate, the plurality of groups of heating coils are sequentially laid in a preset area of the spiral groove of the substrate respectively, the end parts of adjacent groups of heating coils are close to each other, so that the plurality of groups of heating coils are uniformly embedded in the spiral groove of the substrate, the input ends of the plurality of groups of heating coils are arranged in parallel, the output ends of the plurality of groups of heating coils are arranged in parallel, and the plurality of groups of heating coils are all connected with an alternating current power supply.

The input ends of the multiple groups of heating coils are respectively connected in series with the corresponding adjustable inductors and then are arranged in parallel, or the output ends of the multiple groups of heating coils are respectively connected in series with the corresponding adjustable inductors and then are arranged in parallel.

The heating coils are at least 3 groups.

The heating coil is a litz wire.

In the multiple groups of heating coils, the turns of the heating coils are sequentially decreased from inside to outside along the spiral groove.

2. Vulcanizing machine

The vulcanizer includes quick even heating device and mould, and the heating coil one end is kept away from at quick even heating device to the mould setting, and the mould links to each other with quick even heating device.

And a plurality of thermocouples are also arranged on the end face of the mold far away from the rapid and uniform heating device.

3. Vulcanizing machine

The vulcanizing machine comprises a rapid uniform heating device, a heat insulation plate and a mold, wherein the mold is arranged at one end of the rapid uniform heating device close to the heating coil, and the mold is connected with the rapid uniform heating device through the heat insulation plate.

The utility model has the advantages that:

1. by adopting the disc coil for heating, the effects of high heating speed and reduction of the production cost of vulcanization heating are achieved;

2. the disc coil is partitioned to achieve the effect of uniform heating;

3. the stability of the coil is improved by slotting the substrate;

4. the heating temperature is monitored by the thermocouple and the external adjustable inductor is adjusted, so that the temperature uniformity of the heating plate is facilitated.

Drawings

Fig. 1 is a schematic structural view of a tire vulcanization heating device in an embodiment of the present invention.

Fig. 2 is a schematic wiring diagram of a heating coil according to an embodiment of the present invention.

Fig. 3 is a schematic sectional view of a tire vulcanization heating device according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of the vulcanizer of the present invention.

Fig. 5 is another schematic structural diagram of the vulcanizer of the present invention.

In the figure: 1. a substrate; 2. a mold; 3. and (4) heating the coil.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the substrate includes a substrate 1 and a plurality of sets of heating coils 3, a spiral groove is formed on one end surface of the substrate 1, the plurality of sets of heating coils 3 are sequentially laid in a preset region of the spiral groove of the substrate 1, two ends of each set of heating coils 3 are used as a start point and an end point respectively and are uniformly laid in the preset region of the spiral groove, ends of adjacent sets of heating coils 3 are arranged close to each other, so that the plurality of sets of heating coils 3 are uniformly embedded in the spiral groove of the substrate 1 and form a disc coil as a whole, input ends of the plurality of sets of heating coils 3 are arranged in parallel through corresponding outgoing lines respectively, output ends of the plurality of sets of heating coils 3 are arranged in parallel through corresponding outgoing lines respectively, the plurality of sets of heating coils 3 are all connected with an ac power supply, each set of heating coils 3 generates an electromagnetic field in the preset region, then the electromagnetic field generates eddy currents in a conductive and magnetic conductive mold, the electromagnetic field generated by the plurality of sets of heating coils 3 is mainly in a certain region of the mold, so that each set of heating coils 3 mainly heats a certain region of the mold, and simultaneously adjusts an adjustable inductor so that the mold uniformly generates heat.

The input ends of the multiple groups of heating coils 3 are respectively connected in series with the corresponding adjustable inductors and then are arranged in parallel, or the output ends of the multiple groups of heating coils 3 are respectively connected in series with the corresponding adjustable inductors and then are arranged in parallel. As shown in (a) and (b) of fig. 2, in a specific implementation, three groups of heating coils are used, a current incoming line 1+ of the first group of heating coils is arranged at one end of the spiral groove close to the center of the substrate, the first group of heating coils, the second group of heating coils and the third group of heating coils are sequentially laid along the spiral groove, and a current outgoing line 1-of the first group of heating coils is arranged close to a current incoming line 2+ of the second group of heating coils; the current outlet 2-of the second group of heating coils is close to the current inlet 3+ of the third group of heating coils, and the current outlet 3-of the third group of heating coils is arranged at the outer edge of the substrate. A. B, C is the position of the thermocouple in each group of heating coil heating area. The current incoming line 1+ of the first group of heating coils, the current incoming line 2+ of the second group of heating coils and the current incoming line 3+ of the third group of heating coils are respectively merged through corresponding outgoing lines, the current outgoing line 1-of the first group of heating coils is connected in series with the first adjustable inductor L1, the current outgoing line 2-of the second group of heating coils is connected in series with the second adjustable inductor L2, the current outgoing line 3-of the third group of heating coils is connected in series with the third adjustable inductor L3, and the first adjustable inductor L1, the second adjustable inductor L2 and the third adjustable inductor L3 are respectively merged through corresponding outgoing lines.

The heating coils 3 are at least 3 groups. The heating coil 3 is litz wire. In the multiple groups of heating coils 3, the number of turns of the heating coils 3 (i.e., the number of turns of each group of heating coils) is sequentially decreased from inside to outside along the spiral groove. As shown in fig. 3, a plurality of through holes are formed in the spiral groove of the substrate 1 at intervals along the radial direction, and at least one through hole is formed in each circle of the groove. In specific implementation, the number of turns of the first group of heating coils is larger than that of the second group of heating coils from inside to outside, and the number of turns of the second group of heating coils is larger than that of the third group of heating coils.

As shown in fig. 4 (a) and (b), the vulcanizer includes a rapid and uniform heating apparatus and a mold 2, the mold 2 is disposed at an end of a substrate 1 of the rapid and uniform heating apparatus away from a heating coil 3, and the substrate 1 is connected to the substrate 1 of the rapid and uniform heating apparatus as a heat insulating plate mold 2.

The end face of the die 2 far away from the rapid uniform heating device is also provided with a plurality of thermocouples, and the end face of the die 2 is provided with at least one thermocouple at the position opposite to the region of each group of heating coils 3 in the substrate 1. In fig. 4 (a), A, B, C is the position of the thermocouple in each coil heating area.

As shown in fig. 5, the vulcanizer comprises a rapid uniform heating apparatus, a heat insulating plate and a mold 2, wherein the mold 2 is disposed on one end of a substrate 1 of the rapid uniform heating apparatus near a heating coil 3, and the mold 2 is connected to the substrate 1 of the rapid uniform heating apparatus through the heat insulating plate. The end face of the mold 2 far away from the heat insulation plate is also provided with a plurality of thermocouples, and the end face of the mold 2 is provided with at least one thermocouple at the position opposite to the area of each group of heating coils 3 in the substrate 1.

The working process is as follows: the alternating current is conducted in each group of heating coils, the coil groups arranged in a coiling mode can be utilized to generate an electromagnetic field, then the eddy current is generated in the conductive and magnetic conductive die by the electromagnetic field, and due to the fact that the coils are arranged in the multiple groups, the electromagnetic field generated by each group of coils is mainly in a certain region of the die, so that each group of coils mainly heats a certain region of the die, the temperature of each region is measured by a thermocouple, and meanwhile, the adjustable inductance is adjusted to enable the die to generate heat uniformly.

Claims

1. The utility model provides a quick even heating device of tire vulcanizer, a serial communication port, including base plate (1) and multiunit heating coil (3), the spiral groove has been seted up to a terminal surface of base plate (1), multiunit heating coil (3) are laid respectively in proper order in the preset region in the spiral groove of base plate (1), the tip of adjacent group heating coil (3) is close to the setting, make multiunit heating coil (3) inlay the dress in the spiral groove of base plate (1) uniformly, the input of multiunit heating coil (3) sets up in parallel, the output of multiunit heating coil (3) sets up in parallel, multiunit heating coil (3) all links to each other with alternating current power supply.

2. The rapid and uniform heating device of the tire vulcanizer according to claim 1, wherein the input ends of the heating coils (3) are respectively connected in series with the corresponding adjustable inductors and then connected in parallel, or the output ends of the heating coils (3) are respectively connected in series with the corresponding adjustable inductors and then connected in parallel.

3. A rapid and uniform heating device of a tyre vulcanizer as set forth in claim 1, wherein said heating coils (3) are at least 3 groups.

4. A rapid and uniform heating device of a tyre vulcanizer according to claim 1, wherein said heating coil (3) is a litz wire.

5. The rapid and uniform heating device of the tire vulcanizer according to claim 1, wherein said plurality of sets of heating coils (3) have sequentially decreasing number of turns in a direction from inside to outside of the spiral groove.

6. A vulcanizer characterized in that it comprises a rapid uniform heating device and a mold (2), the rapid uniform heating device is the rapid uniform heating device according to any one of claims 1 to 5, the mold (2) is arranged at the end of the rapid uniform heating device far from the heating coil (3), and the mold (2) is connected with the rapid uniform heating device.

7. A vulcanizer according to claim 6, wherein said mold (2) has a plurality of thermocouples mounted on its end surface remote from said rapid uniform heating device.

8. A vulcanizer comprising a rapid and uniform heating apparatus, a heat insulating plate and a mold (2), wherein the rapid and uniform heating apparatus is the rapid and uniform heating apparatus according to any one of claims 1 to 5, the mold (2) is disposed at an end of the rapid and uniform heating apparatus close to the heating coil (3), and the mold (2) is connected to the rapid and uniform heating apparatus through the heat insulating plate.

9. A vulcanizer according to claim 8, wherein said mold (2) has a plurality of thermocouples mounted on its end surface remote from said rapid uniform heating device.