CN214926289U

CN214926289U - Tire vulcanization heating device

Info

Publication number: CN214926289U
Application number: CN202120687943.1U
Authority: CN
Inventors: 韩首奎; 王曜辉
Original assignee: Sailun Jinyu Group Co Ltd
Current assignee: Sailun Jinyu Group Co Ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-30
Anticipated expiration: 2031-04-02

Abstract

The utility model relates to a tire vulcanization heating device, which comprises an electric heating plate, wherein the electric heating plate is arranged in a capsule inner cavity, the electric heating plate is connected with a lower chuck through a central mechanism cylinder head, a guide rod connected with the upper chuck is arranged in the central mechanism cylinder head, the central mechanism cylinder head is provided with an air inlet pipe and an air outlet pipe which are communicated with the capsule inner cavity, and the air inlet pipe is used for feeding in and discharging the vulcanization medium nitrogen into and from the capsule, and one end of the air inlet pipe, which is positioned in the capsule inner cavity, is arranged corresponding to the upper chuck, the vulcanization medium nitrogen in the tire vulcanization heating device enters and discharges the capsule through the air inlet pipe and the air outlet pipe, and simultaneously, the electric heating plate is adopted to heat the nitrogen, thereby avoiding generating condensate water, thoroughly solving the problem of the upper and lower temperature difference in the tire heating process, improving the uniformity of tire heating, improving the high-speed durability of the tire, improving the vulcanization efficiency, in addition, the nitrogen enters the capsule inner cavity and then is directly sprayed on the upper chuck, the capsule is not impacted, the early damage of the capsule is avoided, and the production cost is saved.

Description

Tire vulcanization heating device

Technical Field

The utility model belongs to the technical field of the tire vulcanization production, specifically speaking relates to a tire vulcanization heating device.

Background

The vulcanization process is the last process of tire processing. The existing vulcanization modes are mainly divided into two types: one is that steam is firstly introduced for a certain time to heat, and then nitrogen is introduced for a certain time to maintain the pressure; the second method is that superheated water is introduced to continuously provide heat for heating. Both of the above vulcanization methods have the following problems: firstly, condensate water is generated by precooling steam or superheated water in the vulcanization process, the condensate water exists at the lower side part of the inner surface of the bladder, the heat transfer efficiency is hindered, the vulcanization efficiency is influenced, meanwhile, the lower side vulcanization degree of the tire is low due to the accumulation of the condensate water, the upper side vulcanization degree is high, the problem of crown explosion of the upper side of the tire is easily caused, and safety accidents are caused; secondly, steam or superheated water is sprayed into the capsule through a gland injection hole to impact the capsule, so that the capsule is damaged early and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

Aiming at various defects in the prior art, in order to solve the problems, the tire vulcanization heating device is provided, an electric heating nitrogen mode is adopted for heating the tire, the problem of the upper and lower temperature difference in the tire heating process is thoroughly solved, the uniformity of tire heating is improved, the high-speed durability of the tire is improved, the vulcanization efficiency is improved, the early damage of a bladder is avoided, and the production cost is saved.

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

a tire vulcanization heating device comprises an electric heating plate, wherein the electric heating plate is arranged in an inner cavity of a capsule and is connected with a lower chuck through a central mechanism cylinder head, and a guide rod connected with an upper chuck is arranged in the central mechanism cylinder head;

and the central mechanism cylinder head is provided with an air inlet pipe and an air outlet pipe which are communicated with the inner cavity of the capsule and used for the vulcanization medium nitrogen to enter and exit the capsule, and one end of the air inlet pipe, which is positioned in the inner cavity of the capsule, is arranged corresponding to the upper chuck.

Further, the upper chuck is fixed with the capsule through an upper flange, and the lower chuck is fixed with the capsule through a lower flange.

Further, the central mechanism cylinder head is sleeved inside the lower chuck.

Furthermore, the electric heating plate is of an annular structure, and the electric heating plate is sleeved on the periphery of the guide rod.

Furthermore, the air inlet pipe and the air outlet pipe are positioned at the inner side of the annular structure at one end of the capsule inner cavity.

Further, the electric heating plate includes 2 sub-plates in an arc shape to form a ring structure.

Furthermore, a temperature sensor is arranged in the inner cavity of the capsule.

Further, the central mechanism cylinder head is provided with a mounting groove for mounting a temperature sensor.

Further, the temperature sensor is a thermocouple.

Further, still include control terminal, just electric heating board, temperature sensor are connected with control terminal communication respectively.

The utility model has the advantages that:

vulcanize medium nitrogen gas and pass in and out the capsule through intake pipe and outlet duct, simultaneously, adopt electric heating board heating nitrogen gas, avoid producing the comdenstion water, thoroughly solved the upper and lower difference in temperature problem among the tire heating process, improved tire heating homogeneity, promote the high-speed durability of tire, promote vulcanization efficiency, in addition, nitrogen gas gets into direct injection behind the capsule inner chamber on last chuck, does not produce the impact force to the capsule, has avoided capsule early damage, practices thrift manufacturing cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the assembly of the electrical heating plate with the central mechanism cylinder head;

fig. 3 is a schematic structural view of a gland in the prior art.

In the drawings: 1-upper chuck, 2-upper flange, 3-tire, 4-capsule, 5-lower chuck, 6-lower flange, 7-electric heating plate, 8-central mechanism cylinder head, 9-guide rod, 10-air inlet pipe, 11-air outlet pipe, 12-temperature sensor and 13-jet hole.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.

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

The first embodiment is as follows:

as shown in fig. 1-2, a tire vulcanization heating device, including electric heating plate 7, electric heating plate 7 is located in 4 inner chambers of capsule, and capsule 4 assembles inside tire 3, and electric heating plate 7 is arranged in heating the vulcanization medium that lets in 4 inner chambers of capsule, compares in prior art, and the inventor adopts the electric heating to replace traditional steam heating mode, reducible pollution to the environment, and simultaneously, the real-time control of vulcanization temperature can be realized to the electric heating mode, can satisfy the heating requirement of different performance tires, has avoided the unicity of vulcanization technology.

Specifically, the electric heating plate 7 is connected to the lower chuck 5 through a center mechanism cylinder head 8, and preferably, the center mechanism cylinder head 8 is sleeved inside the lower chuck 5. A guide rod 9 connected with the upper chuck 1 is arranged in the central mechanism cylinder head 8, the upper chuck 1 and the capsule 4 are fixed through an upper flange 2, and the lower chuck 5 and the capsule 4 are fixed through a lower flange 6. That is, the central mechanism cylinder head 8 and the guide rod 9 are used for clamping and connecting the upper chuck 1 and the lower chuck 5 on the capsule 1.

In order to realize the purpose that the vulcanizing medium enters and exits from the inner cavity of the capsule 4, the central mechanism cylinder head 8 is provided with an air inlet pipe 10 and an air outlet pipe 11 which are communicated with the inner cavity of the capsule 4, and preferably, pure nitrogen is adopted as the vulcanizing medium to enter and exit the capsule by the inventor. As shown in FIG. 3, in the prior art, steam or superheated water is injected into the inner cavity of the capsule through the injection holes 13 of the gland to generate impact force on the capsule, which results in early damage of the capsule and increased production cost. Compare in prior art, the inventor corresponds chuck 1 setting with the one end that intake pipe 10 is located 4 inner chambers of capsule, that is to say, nitrogen gas gets into capsule 4 back direct injection at chuck 1, has avoided the impact to capsule 4, effectively reduces capsule 4 early damage, promotes capsule 4 life-span, practices thrift manufacturing cost. That is to say, vulcanization medium nitrogen gas passes through

intake pipe

10 and 11 business turn over capsules 4 of outlet duct, simultaneously, adopt electric heating board 7 heating nitrogen gas, avoid producing the comdenstion water, thoroughly solved the upper and lower difference in temperature problem among the tire heating process, improved tire heating homogeneity, promote the high-speed durability of tire, promote vulcanization efficiency, in addition, nitrogen gas directly sprays on last chuck 1 after getting into 4 inner chambers of capsule, does not produce the impact force to capsule 4, has avoided capsule 4 early damage, practices thrift manufacturing cost.

In order to improve the heating effect and the heating efficiency, the electric heating plate 7 is of an annular structure, and specifically, the electric heating plate 7 is sleeved on the periphery of the guide rod 9. Meanwhile, the end of the air inlet pipe 10 and the end of the air outlet pipe 11, which are positioned in the inner cavity of the capsule 4, are both positioned on the inner side of the annular structure, and the inner side is one side of the annular structure, which is close to the guide rod 9. That is, the nitrogen gas is heated immediately after being ejected from the intake pipe 10. In this embodiment, electrical heating board 7 includes that 2 are curved daughter boards, and 2 daughter boards set up relatively in order to form annular structure, and simultaneously, the tip of 2 daughter boards is connected through the connecting piece, improves stability.

Example two:

as shown in fig. 1-2, a temperature sensor 12 is disposed in the inner cavity of the capsule 4 for monitoring the temperature of the inner cavity of the capsule in real time. Specifically, the central mechanism cylinder head 8 is provided with a mounting groove for mounting a temperature sensor, so that the stability is improved. Preferably, the temperature sensor 12 is a thermocouple, and the thermocouple is mounted on the center mechanism cylinder head 8.

In order to adapt to automatic production, the tire vulcanization heating device further comprises a control terminal, and the electric heating plate 7 and the temperature sensor 12 are respectively in communication connection with the control terminal. After the green tire is put into a vulcanization mold, nitrogen enters the capsule 4 through the air inlet pipe 10 to start pressurization, meanwhile, the electric heating plate 7 heats the nitrogen in the inner cavity of the capsule 4 according to the preset temperature, and the temperature sensor 12 monitors the temperature of the nitrogen in the inner cavity of the capsule 4 and feeds the temperature back to the control terminal. When the temperature of the nitrogen in the inner cavity of the capsule 4 reaches the set temperature, the electric heating plate 7 does not heat up any more and keeps the set temperature. And when the set time is reached, stopping heating the electric heating plate 7, keeping the nitrogen pressure for a period of time, and then removing the pressure to finish the vulcanization.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. A tire vulcanization heating device is characterized by comprising an electric heating plate, wherein the electric heating plate is arranged in an inner cavity of a capsule and is connected with a lower chuck through a central mechanism cylinder head, and a guide rod connected with an upper chuck is arranged in the central mechanism cylinder head;

2. The tire curing and heating apparatus of claim 1, wherein said upper chuck is secured to the bladder by an upper flange and said lower chuck is secured to the bladder by a lower flange.

3. The tire vulcanizing heating device according to claim 1, wherein the center mechanism cylinder head is fitted inside the lower chuck.

4. The tire vulcanizing heating device according to claim 1, wherein the electric heating plate is provided in a ring-shaped configuration and is fitted around the guide bar.

5. A tyre vulcanisation heating apparatus according to claim 4, wherein the ends of said inlet and outlet ducts located in the inner chamber of the bladder are both located inside the annular structure.

6. A tyre vulcanisation heating apparatus according to any of claims 1 to 5, wherein a temperature sensor is provided in the bladder cavity.

7. The tire vulcanizing heating device according to claim 6, wherein a mounting groove is provided on the cylinder head of the center mechanism for mounting a temperature sensor.

8. The tire vulcanizing heating device according to claim 7, further comprising a control terminal, wherein the electric heating plate and the temperature sensor are respectively connected with the control terminal in a communication manner.