CN213766769U

CN213766769U - But accurate temperature measurement automatic control exhaust apparatus and tire mould

Info

Publication number: CN213766769U
Application number: CN202021844392.7U
Authority: CN
Inventors: 杜学金
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-29
Filing date: 2020-08-29
Publication date: 2021-07-23
Anticipated expiration: 2030-08-29

Abstract

The utility model discloses an automatic control exhaust device capable of accurately measuring temperature and a tire mold, which belong to the field of vulcanized tires and comprise a casing and a sealing column, wherein a through hole is arranged in the middle of the casing, the through hole can be communicated with an exhaust passage on the tire mold, one end of the through hole is provided with a detection device, and the detection device is fixed at the top of the casing and does not block the through hole; a temperature measuring hole penetrates through the side wall of the casing, a temperature measuring detection piece is arranged in the temperature measuring hole, and a rubber sealing block is arranged in the temperature measuring hole at the rear side of the temperature measuring detection piece; the other end of the through hole is matched with the sealing column, and the other end of the sealing column is provided with a driving device for driving the sealing column to plug the through hole.

Description

But accurate temperature measurement automatic control exhaust apparatus and tire mould

Technical Field

The utility model relates to a mould exhaust technical field, concretely relates to can accurate temperature measurement automatic control exhaust apparatus and tire mould.

Background

In the tire vulcanization process, in order to release the air in the mold cavity and uniformly distribute the rubber in the mold, the conventional tire mold is provided with a plurality of vent holes on the mold cavity, and the vent holes are usually formed by drilling.

The burrs at the hole end are required to be trimmed after the drilling process is finished, so that the manufacturing process of the die is increased, and the manufacturing cost of the die is increased; on the other hand, in the vulcanization process, because the exhaust of the tread area is exhausted through the circular air holes, the air holes are usually positioned on the top surface of the inner tube of the mold and penetrate through the outer surface of the mold, unvulcanized raw rubber can be extruded out of the cavity of the top of the mold under the conditions of high pressure and high heat, after air is exhausted from the mold, rubber is extruded into the drilled exhaust holes to form rubber burrs, when the tire is demolded, a part of the rubber burrs can be broken in the exhaust holes of the mold, when the tire is vulcanized again, the exhaust of air in the cavity can be prevented, and further, the rubber cannot completely fill the whole mold cavity.

To avoid this, the tire mold needs to be removed from the production line for cleaning. The general cleaning operation is to drill out the rubber in each air hole by using a drill bit, which is time-consuming and affects the production efficiency; on the vulcanized tire, most rubber burrs stand on the tire along with demolding, and in order to remove the rubber burrs, a specially-assigned person and corresponding equipment have to be arranged for trimming, so that the appearance quality of the tire is influenced, rubber materials are wasted, and the production cost is increased.

Some have appeared on the market at present and have adopted mechanical type not to arrange mucilage binding device to pack into in the exhaust hole, and its exhaust hole department generally is equipped with the elasticity dabber, blocks up the exhaust hole through this dabber, because the dabber top generally sets up to the inverted cone, consequently can inevitably have a bit to glue the entering to this mechanical structure, along with long-time the use, its dabber elasticity also can change, and in case this mechanical type does not exhaust mucilage binding device trouble, will unable discovery immediately handle, influences final tire outward appearance.

SUMMERY OF THE UTILITY MODEL

To problem among the prior art, the utility model provides a pair of but accurate temperature measurement automatic control exhaust apparatus and tire mould when solving rubber component and vulcanizing, the rubber hair problem and the exhaust hole jam problem that the exhaust hole reason produced further improve exhaust performance and exhaust apparatus's life.

In order to realize the purpose, the utility model discloses a technical scheme as follows: the utility model provides a but accurate temperature measurement automatic control exhaust apparatus which characterized in that: the tire mold comprises a casing and a sealing column, wherein a through hole is formed in the middle of the casing and can be communicated with an exhaust channel on a tire mold, and a detection device is arranged at one end of the through hole and fixed at the top of the casing and does not block the through hole;

a temperature measuring hole penetrates through the side wall of the casing, a temperature measuring detection piece is arranged in the temperature measuring hole, and a rubber sealing block is arranged in the temperature measuring hole at the rear side of the temperature measuring detection piece;

the other end of the through hole is matched with the sealing column, and the other end of the sealing column is provided with a driving device for driving the sealing column to plug the through hole.

Preferably, the temperature detecting part includes a thermocouple or a thermal resistor.

As the preferred technical scheme, the driving device is fixed on the casing, the casing is provided with a controller, the controller is in signal connection with the driving device, and the detecting device and the temperature measurement detecting part are in signal connection with the controller.

As a preferable technical scheme, a guide hole is arranged in the through hole, and the end of the guide hole matched with the sealing column is a concave conical surface; the top end of the sealing column matched with the through hole is designed to be a sphere or a cone.

As the preferred technical scheme, a plurality of supporting legs are arranged at one end of the casing, gaps are formed among the supporting legs, and the detection device is fixed on the supporting legs.

As the preferred technical scheme, be equipped with the elastic insulation pipe in the cover shell, be equipped with in the elastic insulation pipe and connect the detection control circuit of detecting device and controller, the detection control circuit with the elastic insulation pipe closely cooperates.

As the preferred technical scheme, the periphery of the side, close to the sealing column, of the casing is provided with a plurality of exhaust holes, and the exhaust holes are communicated with the through holes in the casing.

Preferably, the detection device is a proximity switch.

Preferably, the driving device is a solenoid valve.

The utility model provides a can accurate temperature measurement automatic control exhaust tire mould, includes like foretell can accurate temperature measurement automatic control exhaust apparatus, decorative pattern piece and curb plate, be equipped with exhaust passage in decorative pattern piece and the curb plate, exhaust passage includes exhaust hole and exhaust cavity, the foretell can accurate temperature measurement automatic control exhaust apparatus of fixed connection in the exhaust cavity.

Preferably, the casing is fixed in the exhaust passage of the mold, and the detecting device is spaced from the inner surface of the mold.

Preferably, the casing is in threaded connection with the exhaust passage of the mold.

As a preferable technical scheme, the automatic control exhaust device capable of accurately measuring the temperature is arranged at the middle-rear section of the exhaust channel in the pattern block and the side plate.

The utility model discloses an useful part lies in:

1. the utility model discloses but utilize to add the temperature measurement in the automatic control exhaust apparatus and detect the piece, on the one hand it does not influence normal exhaust, on the other hand satisfied with the intercommunication temperature measurement of vulcanizing the intracavity, guaranteed the accuracy of temperature measurement detection piece temperature measurement.

2. The device realizes the exhaust controllability through an electric control mode; the mode that gas produced the negative pressure in the exhaust hole has avoided gluing and has got into in the exhaust hole, and the phenomenon of gluing the hair can not appear on the one hand, and exhaust apparatus exempts from to block up, exempts from to wash, has prolonged the device's life, and on the other hand has guaranteed the temperature in exhaust hole and has vulcanize intracavity temperature uniformity.

3. The utility model discloses utilize the sealed piece shutoff temperature measurement hole of rubber, guaranteed laying of temperature measurement circuit on the one hand, leakproofness when on the other hand has guaranteed the exhaust hole shutoff.

4. The special structure of the sealing column and the guide hole is facilitated, the sealing effect is guaranteed, the machining process is convenient, the action is reliable, and the sealing performance is good.

5. By the aid of the detection device, information feedback is achieved, and precision of an exhaust process is greatly improved.

6. The sealing effect in the exhaust process is ensured by using the insulating tube with elasticity.

7. The casing is in threaded connection with the exhaust passage, so that the position of the casing in the exhaust passage can be adjusted, the detection distance is ensured, and the gas negative pressure reaches the optimal state without glue discharge.

8. The device is not only suitable for tire surface vulcanization, but also suitable for all rubber molds, and has wide application range.

Drawings

FIG. 1 is a schematic structural view of an automatic exhaust apparatus capable of accurately measuring temperature;

FIG. 2 is a schematic view of a partial cross-sectional structure of a self-venting tire mold;

FIG. 3 is an enlarged view of a portion of the cross-sectional structure of a self-venting tire mold.

In the figure: the device comprises a shell 1, an elastic insulating tube 2, a detection control circuit 3, an exhaust chamber 4, a controller 5, a driving device 6, an exhaust hole 7, a sealing column 8, a through hole 9, a guide hole 10, a support leg 11, a detection device 12, an exhaust hole 13, a pattern block 14, a side plate 15, a temperature measuring circuit 16, a rubber sealing block 17, a temperature measuring hole 18 and a temperature measuring detection part 19.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

As shown in figure 1, a can accurate temperature measurement self-control exhaust apparatus, including the jacket 1 and seal post 8, there are through holes 9 in the middle of the jacket 1, the through hole 9 can be communicated with exhaust passage on the mould, there are detecting devices 12 on one end of the through hole 9, the detecting device 12 can be fixed directly on the top of the jacket 1, but can not block the through hole 9, can respond to the position state of the exhaust passage position sizing material of the internal surface of mould through the detecting device 12, there are temperature measurement holes 18 on the sidewall of the jacket 1 through, there are temperature measurement detection pieces 19 in the temperature measurement holes 18, the temperature measurement detection pieces 19 include thermocouple or thermal resistance, there are rubber seal blocks 17 in the temperature measurement hole behind the temperature measurement detection pieces 19, guarantee the sealing property when the exhaust hole is blocked, the utility model discloses temperature measurement hole 18 communicates with exhaust passage,

the other end of the through hole 9 is matched with the sealing column 8, the driving device 6 for driving the sealing column 8 to block the through hole 9 is arranged at the other end of the sealing column 8, the driving device 6 is fixed on the casing 1, the driving device 6 drives the sealing column 8 to block the through hole 9 along the axial direction of the through hole 9 according to a signal fed back by the detection device 12, and exhaust controllability is achieved.

The utility model discloses utilize the sealed piece 17 shutoff of rubber to survey temperature hole 18, guaranteed on the one hand that laying of warm measuring line 16 is not disturbed, leakproofness when on the other hand has guaranteed exhaust hole 13 shutoff.

The casing 1 is provided with a controller 5, the controller 5 is in signal connection with a driving device 6, a detecting device 12 and a temperature measurement detecting part 19 are in signal connection with the controller 5, the detecting device 12 transmits the position of the sizing material to the controller 5 in real time, the controller 5 controls the driving device 6 to drive the sealing column 8 to block the through hole 9 after judging and processing information, the temperature measurement detecting part transmits the acquired temperature to the controller 5, the controller 5 can control corresponding heating equipment to reasonably regulate and control the vulcanization temperature,

a guide hole 10 is arranged in the through hole 9, and the end of the guide hole 10 matched with the sealing column 8 is a concave conical surface; the top end of the sealing column 8 matched with the through hole 9 is designed to be a sphere or a cone, the sealing column 8 is matched with the guide hole 10, the diameter of the guide hole 10 is smaller than that of the sealing column 8, and the special structure ensures the sealing effect, is convenient in processing technology, reliable in action in the plugging process and good in sealing performance.

Or one end of the casing 1 is provided with a plurality of supporting legs 11, gaps are arranged among the supporting legs 11, the detection device 12 is fixed on the supporting legs 11, the detection device 12 is placed on the supporting legs 11, on one hand, the detection device 12 can be ensured to be just positioned at the central position of the through hole 9, on the other hand, the gaps are arranged among the supporting legs 11, and the gas emission is not influenced.

The elastic insulating tube 2 is arranged in the casing 1, the detection control circuit 3 for connecting the detection device 12 with the controller 5 is arranged in the elastic insulating tube 2, the detection control circuit 3 is closely matched with the elastic insulating tube 2, and the detection control circuit 3 must pass through the casing 1 because the detection device 12 is separated from the controller 5 by a certain distance, so that the detection control circuit 3 is protected by the elastic insulating tube 2, the sealing performance of the elastic insulating tube 2 can be ensured, and the pressure state of the sealed chamber of the sealing column 8 is ensured.

The circumferential surface of one side of the casing 1 close to the sealing column 8 is provided with a plurality of exhaust holes 7, and the exhaust holes 7 are communicated with a through hole 9 in the casing 1.

The drive 6 is designed as a solenoid valve or as an electromagnet.

The utility model provides a can accurate temperature measurement automatic control exhaust tire mould, includes like above-mentioned can accurate temperature measurement automatic control exhaust apparatus, decorative pattern piece 14 and curb plate 15, be equipped with exhaust passage in decorative pattern piece 14 and the curb plate 15, exhaust passage includes exhaust hole 13 and exhaust cavity 4, but above-mentioned accurate temperature measurement automatic control exhaust apparatus of fixed connection in the exhaust cavity 4.

The shell 1 is fixed in the exhaust passage of the mould, and the optimal choice is that the shell 1 is in threaded connection with the exhaust passage of the mould, the detecting device 12 is at a distance from the inner surface of the mould, the detecting device 12 is set as a proximity switch, and the self-control exhaust device is arranged at the middle and rear sections of the exhaust passage in the pattern block 14 and the side plate 15. A certain space is ensured between the detection device 12 and the exhaust channel, so that after the sealing column 8 blocks the through hole 9, a cavity between the rubber material and the sealing column 8 is filled with the rubber material into the exhaust channel, and the air in the cavity is continuously compressed to generate a certain negative pressure so as to prevent the rubber material from entering the exhaust channel.

The specific temperature measurement and exhaust process is as follows:

during the vulcanization process of the tire blank, the exhaust channel is communicated with the vulcanization cavity, the corresponding temperature measuring hole 18 is also communicated with the vulcanization cavity, the temperature measuring detection part 19 can accurately obtain the temperature in the vulcanization cavity, the heated rubber material deforms along with the fact that the vulcanized rubber material is tightly attached to the inner surface of the vulcanization cavity, the gas in the original mold can be discharged through the exhaust channel, the rubber material can slowly approach the opening of the exhaust channel, when the detection device 12 detects that the rubber material approaches the discharge opening, a signal is sent to the controller 5, the controller 5 can control the driving device 6 to drive the sealing column 8 to plug the through hole 9 in the casing 1, at the moment, a closed cavity is formed between the sealing column 8 and the rubber material, the air in the cavity is subjected to the pressure generated by the rubber material entering the exhaust channel, the rubber material is difficult to enter the exhaust channel, the exhaust process of the exhaust channel is realized, and the temperature measuring hole 18 is still communicated with the vulcanization cavity through the exhaust hole 13, therefore, the temperature in the vulcanizing cavity is accurately detected all the time, and the exhaust and sealing of the exhaust channel are not influenced.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes, modifications and/or alterations to the present invention may be made by those skilled in the art after reading the technical disclosure of the present invention, and all such equivalents may fall within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a but accurate temperature measurement automatic control exhaust apparatus which characterized in that: the tire mold comprises a casing and a sealing column, wherein a through hole is formed in the middle of the casing and can be communicated with an exhaust channel on a tire mold, and a detection device is arranged at one end of the through hole and fixed at the top of the casing and does not block the through hole;

2. The automatic control exhaust device capable of accurately measuring temperature according to claim 1, characterized in that: the temperature measurement detection part comprises a thermocouple or a thermal resistor.

3. The automatic control exhaust device capable of accurately measuring temperature according to claim 1, characterized in that: the driving device is fixed on the casing, the casing is provided with a controller, the controller is in signal connection with the driving device, and the detecting device and the temperature measurement detecting part are in signal connection with the controller.

4. The automatic control exhaust device capable of accurately measuring temperature according to claim 1, characterized in that: a guide hole is formed in the through hole, and the end of the guide hole matched with the sealing column is a concave conical surface; the top end of the sealing column matched with the through hole is designed to be a sphere or a cone.

5. The automatic control exhaust device capable of accurately measuring temperature according to claim 1, characterized in that: the casing one end is equipped with a plurality of landing legs, be equipped with the clearance between the landing leg, detection device fixes on the landing leg.

6. The automatic control exhaust apparatus capable of accurately measuring temperature according to claim 3, characterized in that: the casing is internally provided with an elastic insulating tube, a detection control circuit for connecting the detection device with the controller is arranged in the elastic insulating tube, and the detection control circuit is tightly matched with the elastic insulating tube.

7. The automatic control exhaust device capable of accurately measuring temperature according to claim 1, characterized in that: the periphery of the side, close to the sealing column, of the casing is provided with a plurality of exhaust holes, and the exhaust holes are communicated with the through holes in the casing.

8. The automatic control exhaust device capable of accurately measuring temperature according to claim 1, characterized in that: the detection device is set as a proximity switch; the driving device is set as an electromagnetic valve.

9. The utility model provides a can accurate temperature measurement automatic control exhaust tire mould which characterized in that: the temperature-accurately-measurable self-control exhaust device comprises the temperature-accurately-measurable self-control exhaust device, the pattern blocks and the side plates, wherein exhaust channels are arranged in the pattern blocks and the side plates, the exhaust channels comprise exhaust holes and exhaust chambers, and the temperature-accurately-measurable self-control exhaust device is fixedly connected in the exhaust chambers.

10. The automatic control exhaust tire mold capable of accurately measuring temperature according to claim 9, wherein: the casing is in threaded connection with an exhaust passage of the mold, and the detection device is away from the inner surface of the mold by a certain distance.