阅读说明：本技术 一种聚氨酯轮胎的真空活络模具及其使用方法 (Vacuum segmented mold of polyurethane tire and using method thereof ) 是由 李红领 廖志勇 于 2021-09-06 设计创作，主要内容包括：本发明公开的属于轮胎模具技术领域,具体为一种聚氨酯轮胎的真空活络模具及其使用方法,包括模具,还包括：连接在模具上的挤压结构；和连接在挤压结构一端的传输结构；和连接在传输结构一端的顶起结构,且顶起结构安装在模具上；所述挤压结构包括开设在模具上的收集组件；和连接在收集组件上的升降组件,所述模具包括底座,所述底座顶部设有滑块,本发明通过传输结构将气体流入到收集组件中,当轮胎需要取出时,通过升降组件使收集组件中的气体通过传输结构流入到通气孔中,从而达到对通气孔进行疏通,具有避免通气孔被堵住的作用,从而不仅会避免对下一次的生产造成影响,还会保证了产品的质量。(The invention discloses a vacuum segmented mold of polyurethane tire and its using method, belonging to the tire mold technical field, comprising mold, also comprising: an extrusion structure connected to the die; and a transmission structure connected to one end of the extrusion structure; the jacking structure is connected to one end of the transmission structure and is arranged on the die; the extrusion structure comprises a collecting assembly arranged on the die; the mold comprises a base, a sliding block is arranged at the top of the base, gas flows into the collecting assembly through the transmission structure, and when a tire needs to be taken out, the gas in the collecting assembly flows into the vent hole through the transmission structure through the lifting assembly, so that the vent hole is dredged, the effect of preventing the vent hole from being blocked is achieved, the influence on the next production is avoided, and the quality of a product is also ensured.)

1. The utility model provides a polyurethane tire's active mould of vacuum, includes mould (1), its characterized in that still includes: an extrusion structure (2) connected to the die (1); and

the transmission structure (3) is connected to one end of the extrusion structure (2); and

the jacking structure (4) is connected to one end of the transmission structure (3), and the jacking structure (4) is installed on the die (1);

the extrusion structure (2) comprises a collecting component arranged on the die (1); and

and the lifting component is connected to the collecting component.

2. The vacuum segmented mold of the polyurethane tire as claimed in claim 1, wherein the mold (1) comprises a base (11), a sliding block (13) is arranged on the top of the base (11), the outer side of the sliding block (13) is slidably connected with a middle sleeve (15) through a guide strip (14), an upper cover (16) is arranged on the top of the sliding block (13), an upper ring (17) is arranged on the top of the middle sleeve (15), the middle bottom end of the upper ring (17) is sleeved with the middle top end of the upper cover (16), a pattern block (18) is arranged on the inner side of the sliding block (13), an annular boss (12) is arranged on the outer side of the base (11), and the annular boss (12) is sleeved with the bottom end of the middle sleeve (15).

3. The vacuum segmented mold for polyurethane tires as claimed in claim 2, wherein the bottom of the upper cover (16) is provided with an upper side plate, the top of the base (11) is provided with a lower side plate, the upper side plate and the lower side plate are provided with vent holes, and the annular boss (12) is provided with a through hole (121).

4. The vacuum segmented mold for polyurethane tires according to claim 1, characterized in that, the collection subassembly includes collecting tank (21) and slot cover (22), the collecting tank (21) is opened on the inner wall of middle cover (15), the outer inner wall of collecting tank (21) is clamped with slot cover (22).

5. The vacuum segmented mold for polyurethane tires as claimed in claim 1, wherein the lifting assembly comprises a box body (23), the box body (23) is fixedly installed on the inner wall of the top end of the collecting tank (21), a servo motor (24) is installed on the inner wall of the box body (23), the output shaft of the servo motor (24) is fixedly installed with a screw (27), and the bottom of the screw (27) is rotatably connected to the inner wall of the middle sleeve (15) through a bearing.

6. Vacuum segmented mold for polyurethane tires according to claim 5, characterized in that the screw (27) is connected with a nut (26) in a sealed threaded connection, the nut (26) is fixedly installed on the inner wall of the pressing plate (25), and the pressing plate (25) is connected with the collecting tank (21) in a sliding manner.

7. The vacuum segmented mold for polyurethane tires as claimed in claim 1, wherein the transmission structure (3) comprises a connector (31), a first pipe (32) is fixedly connected to the right end of the connector (31), one end of the first pipe (32) is fixedly connected to the inner wall of the groove cover (22), a third pipe (34) is fixedly connected to the top end of the connector (31), and a third solenoid valve (341) is arranged on the third pipe (34).

8. The vacuum segmented mold for polyurethane tires as claimed in claim 7, wherein the bottom end of the connector (31) is fixedly connected with a pipe four (35), and a solenoid valve four (351) is arranged on the pipe four (35), and one end of the pipe four (35) is fixedly connected with the through hole (121);

the left end of the connector (31) is fixedly connected with a second pipeline (33), a second electromagnetic valve (331) is arranged on the second pipeline (33), and one end of the second pipeline (33) is fixedly connected to the jacking structure (4).

9. The vacuum flexible mold for polyurethane tires according to claim 1, characterized in that the jacking structure (4) comprises a fixed block (41), the fixed block (41) is fixedly installed on the base (11), a fixed groove (42) is formed in the inner wall of the fixed block (41), a small hollow tube (44) is fixedly installed on the inner wall of the bottom end of the fixed groove (42), a second pipeline (33) is fixedly connected to the inner wall of the bottom end of the small hollow tube (44), the small hollow tube (44) is slidably connected to the inner wall of the large hollow tube (43), a baffle (431) is fixedly installed on the inner wall of the top end of the large hollow tube (43), a spring (45) is fixedly installed at the bottom of the large hollow tube (43), and the bottom of the spring (45) is fixedly installed on the fixed groove (42);

a sealing ring is arranged between the surface of the small hollow pipe (44) and the inner wall of the large hollow pipe (43).

10. The use method of the vacuum segmented mold of the polyurethane tire is characterized by comprising the following specific steps:

s1, opening only the fourth solenoid valve (351), then putting the green tire of the tire into the mold (1), and performing gas stamping on the green tire, so that the gas in the mold flows into the collecting groove (21) through the vent hole, the fourth pipeline (35), the connector (31) and the first pipeline (32), and after the gas flows in, closing the fourth solenoid valve (351);

s2, when the tire needs to be taken out after being molded, only the second electromagnetic valve (331) is opened, then the screw (27) is rotated through the servo motor (24), the rotating screw (27) enables the extrusion plate (25) to descend through the nut (26), the descending extrusion plate (25) extrudes gas, and the gas flows into the small hollow pipe (44) through the first pipeline (32), the connector (31) and the second pipeline (33);

s3, when the air flows into the small hollow pipe (44), the air can enable the large hollow pipe (43) to ascend through the baffle (431), the ascending large hollow pipe (43) can jack up the tire, so that the tire can be taken out conveniently, after the tire is taken out, the electromagnetic valve III (341) is opened, after the electromagnetic valve III is opened, the large hollow pipe (43) can restore to the original position under the action of the elastic force of the spring (45), and the air can flow out through the pipeline III (34);

and S4, when the vent hole is blocked after the tire is molded, only opening the solenoid valve IV (351), and enabling the air to flow into the vent hole through the first pipeline (32), the connector (31) and the fourth pipeline (35) through the lifting assembly, so that the vent hole is dredged.

Technical Field

The invention relates to the technical field of tire molds, in particular to a vacuum segmented mold of a polyurethane tire and a using method thereof.

Background

In the prior art, the formation of a car tire is carried out by a tire segmented mold, patterns on the upper surface of the tire are formed by pattern blocks on the tire segmented mold, in the formation process, a tire blank is firstly placed in a segmented mold cavity heated to about 180 ℃, then a forming capsule clamped in a central mechanism of a vulcanizing machine is used for pressurizing the tire blank by gas, the tire blank is pressed to a side plate and the pattern blocks of the mold cavity, in the process, the gas between the tire blank and the mold cavity is passively discharged from the pattern blocks and gas holes on the side plate, so that the tire blank can be filled in the whole mold cavity, then vulcanization and shaping are carried out, and in the vulcanization process, if the gas is not discharged in the previous step, the phenomenon of rubber shortage of the vulcanized tire can be caused, and the vulcanized tire becomes waste.

At present, in order to exhaust gas completely, a large number of exhaust holes are generally designed on a side plate and a pattern block, so that the gas is exhausted smoothly in the vulcanization process of a tire, however, the method is completed through extrusion, the air holes are easily blocked by rubber materials, so that the next production is affected, a step of removing rubber strips in the air holes is required to be added when the production is finished, time and labor are wasted, and therefore, the vacuum segmented mold of the polyurethane tire and the using method thereof are provided.

Disclosure of Invention

The present invention has been made in view of the above and/or other problems occurring in the prior art vacuum segmented mold for polyurethane tires and the method of using the same.

Therefore, the invention aims to provide a vacuum segmented mold of a polyurethane tire and a using method thereof, wherein gas flows into a collecting assembly through a transmission structure, and when the tire needs to be taken out, the gas in the collecting assembly flows into a vent hole through the transmission structure through a lifting assembly, so that the vent hole is dredged, and the problem that the vent hole is easily blocked by rubber can be solved.

To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:

the utility model provides a polyurethane tire's vacuum segmented mold, its includes the mould, still includes: an extrusion structure connected to the die; and

the transmission structure is connected to one end of the extrusion structure; and

the jacking structure is connected to one end of the transmission structure and is arranged on the die;

the extrusion structure comprises a collecting assembly arranged on the die; and

and the lifting component is connected to the collecting component.

As a preferable scheme of the vacuum segmented mold of the polyurethane tire, the invention comprises the following steps: the mould includes the base, the base top is equipped with the slider, cover in the outside of slider passes through gib block sliding connection, the slider top is equipped with the upper cover, well cover top is equipped with and fits with a contraceptive ring, and the middle part bottom of fitting with a contraceptive ring overlaps mutually with the middle part top of upper cover mutually, the inboard of slider is equipped with the decorative pattern piece, the outside of base is equipped with annular boss, and the bottom of annular boss and well cover overlaps mutually.

As a preferable scheme of the vacuum segmented mold of the polyurethane tire, the invention comprises the following steps: the improved structure is characterized in that an upper side plate is arranged at the bottom of the upper cover, a lower side plate is arranged at the top of the base, vent holes are formed in the upper side plate and the lower side plate, and through holes are formed in the annular boss.

As a preferable scheme of the vacuum segmented mold of the polyurethane tire, the invention comprises the following steps: the collecting assembly comprises a collecting tank and a tank cover, the collecting tank is arranged on the inner wall of the middle sleeve, and the inner wall of the outer side of the collecting tank is clamped with the tank cover.

As a preferable scheme of the vacuum segmented mold of the polyurethane tire, the invention comprises the following steps: the lifting assembly comprises a box body, the box body is fixedly installed on the inner wall of the top end of the collecting groove, a servo motor is installed on the inner wall of the box body, a screw rod is fixedly installed on an output shaft of the servo motor, and the bottom of the screw rod is rotatably connected to the inner wall of the middle sleeve through a bearing.

As a preferable scheme of the vacuum segmented mold of the polyurethane tire, the invention comprises the following steps: the screw rod is connected with a nut in a sealed threaded connection mode, the nut is fixedly installed on the inner wall of the extrusion plate, and the extrusion plate is connected to the collecting tank in a sliding mode.

As a preferable scheme of the vacuum segmented mold of the polyurethane tire, the invention comprises the following steps: the transmission structure comprises a connector, the right end of the connector is fixedly connected with a first pipeline, one end of the first pipeline is fixedly connected to the inner wall of the groove cover, the top end of the connector is fixedly connected with a third pipeline, and a third electromagnetic valve is arranged on the third pipeline.

As a preferable scheme of the vacuum segmented mold of the polyurethane tire, the invention comprises the following steps: the bottom end of the connector is fixedly connected with a pipeline IV, the pipeline IV is provided with a solenoid valve IV, and one end of the pipeline IV is fixedly connected to the through hole;

the left end of the connector is fixedly connected with a second pipeline, a second electromagnetic valve is arranged on the second pipeline, and one end of the second pipeline is fixedly connected to the jacking structure.

As a preferable scheme of the vacuum segmented mold of the polyurethane tire, the invention comprises the following steps: the jacking structure comprises a fixed block, the fixed block is fixedly arranged on the base, a fixed groove is formed in the inner wall of the fixed block, a small hollow pipe is fixedly arranged on the inner wall of the bottom end of the fixed groove, the inner wall of the bottom end of the small hollow pipe is fixedly connected with a pipeline II, the small hollow pipe is connected to the inner wall of the large hollow pipe in a sliding mode, a baffle is fixedly arranged on the inner wall of the top end of the large hollow pipe, a spring is fixedly arranged at the bottom of the large hollow pipe, and the bottom of the spring is fixedly arranged on the fixed groove;

and a sealing ring is arranged between the surface of the small hollow pipe and the inner wall of the large hollow pipe.

A use method of a vacuum segmented mold of a polyurethane tire comprises the following specific steps:

s1, only opening the electromagnetic valve IV, then placing the green tire of the tire into a mold, and carrying out gas stamping on the green tire, so that gas in the mold flows into a collecting tank through a vent hole, a pipeline IV, a connector and a pipeline I, and after the gas flows into the collecting tank, closing the electromagnetic valve IV;

s2, when the tire needs to be taken out after being molded, only the second electromagnetic valve is opened, then the screw rod is rotated through the servo motor, the rotating screw rod enables the extrusion plate to descend through the nut, the descending extrusion plate extrudes gas, and therefore the gas flows into the small hollow pipe through the first pipeline, the connector and the second pipeline;

s3, when the air flows into the small hollow pipe, the air can enable the large hollow pipe to ascend through the baffle, the ascending large hollow pipe can jack up the tire, so that the tire can be taken out conveniently, after the tire is taken out, the electromagnetic valve III is opened, after the electromagnetic valve III is opened, the large hollow pipe can be restored to the original position under the action of the elastic force of the spring, and the air can flow out through the pipeline;

s4, when the vent hole is blocked after the tire is molded, only the electromagnetic valve IV is opened, and the air flows into the vent hole through the first pipeline, the connector and the fourth pipeline through the lifting assembly, so that the vent hole is dredged.

Compared with the prior art:

1. the conveying structure is used for conveying the air in the collecting assembly into the air vent, and when the tire needs to be taken out, the lifting assembly is used for conveying the air in the collecting assembly into the air vent through the conveying structure, so that the air vent is dredged, the effect of preventing the air vent from being blocked is achieved, the influence on the next production is avoided, and the product quality is ensured;

2. the air in the collecting assembly flows into the top-lifting structure through the lifting assembly, so that the tire can be conveniently taken out, and the production efficiency can be improved;

3. realize dredging the air vent and jack-up the tire through the gaseous realization that utilizes in the mould, not only can resources are saved, still the input of reduce cost.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A1;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the connection of the large hollow tube and the small hollow tube according to the present invention;

FIG. 6 is a schematic view of the overall structure of the large hollow tube and the small hollow tube of the present invention.

In the figure: the device comprises a mold 1, a base 11, an annular boss 12, a through hole 121, a sliding block 13, a guide strip 14, a middle sleeve 15, an upper cover 16, an upper ring 17, a pattern block 18, an extrusion structure 2, a collecting tank 21, a tank cover 22, a box body 23, a servo motor 24, an extrusion plate 25, a nut 26, a screw 27, a transmission structure 3, a connector 31, a first pipeline 32, a second pipeline 33, a second electromagnetic valve 331, a third pipeline 34, a third electromagnetic valve 341, a fourth pipeline 35, a fourth electromagnetic valve 351, a jacking structure 4, a fixed block 41, a fixed groove 42, a large hollow pipe 43, a baffle 431, a small hollow pipe 44 and a spring 45.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The invention provides a vacuum segmented mold of a polyurethane tire, which has the advantage of improving the production efficiency, and with reference to fig. 1-6, the mold 1 comprises: an extrusion structure 2 connected to the die 1; and

a transmission structure 3 connected to one end of the extrusion structure 2; and

the jacking structure 4 is connected to one end of the transmission structure 3, and the jacking structure 4 is installed on the die 1;

the extrusion structure 2 comprises a collecting component arranged on the die 1; and

and the lifting component is connected to the collecting component.

Further, the mold 1 comprises a base 11, a sliding block 13 is arranged at the top of the base 11, the outer side of the sliding block 13 is connected with a middle sleeve 15 in a sliding mode through a guide strip 14, an upper cover 16 is arranged at the top of the sliding block 13, an upper ring 17 is arranged at the top of the middle sleeve 15, the middle bottom end of the upper ring 17 is sleeved with the middle top end of the upper cover 16, pattern blocks 18 are arranged on the inner side of the sliding block 13, an annular boss 12 is arranged at the outer side of the base 11, and the annular boss 12 is sleeved with the bottom of the middle sleeve 15.

Further, an upper side plate is arranged at the bottom of the upper cover 16, a lower side plate is arranged at the top of the base 11, vent holes are formed in the upper side plate and the lower side plate, through holes 121 are formed in the annular boss 12, and specifically, the through holes 121 are connected with the vent holes through external pipelines.

Further, the collection assembly comprises a collection groove 21 and a groove cover 22, the collection groove 21 is arranged on the inner wall of the middle sleeve 15, the groove cover 22 is clamped on the outer inner wall of the collection groove 21, and particularly, the collection assembly has the effect of collecting gas.

Further, the lifting assembly comprises a box body 23, the box body 23 is fixedly installed on the inner wall of the top end of the collecting tank 21, a servo motor 24 is installed on the inner wall of the box body 23, a screw 27 is fixedly installed on an output shaft of the servo motor 24, and the bottom of the screw 27 is rotatably connected to the inner wall of the middle sleeve 15 through a bearing.

Further, a nut 26 is connected to the screw 27 in a sealing type threaded connection manner, the nut 26 is fixedly installed on the inner wall of the extrusion plate 25, the extrusion plate 25 is slidably connected to the collecting tank 21, and specifically, a sealing ring is arranged between the extrusion plate 25 and the collecting tank 21.

Further, transmission structure 3 includes connector 31, the right-hand member fixedly connected with pipeline 32 of connector 31, the one end fixed connection of pipeline 32 is on the inner wall of capping 22, the top fixed connection pipeline three 34 of connector 31, and be equipped with three 341 of solenoid valve on the pipeline three 34, specifically, have the effect of transmission gas through transmission structure 3.

Further, the bottom end of the connector 31 is fixedly connected with a fourth pipeline 35, a fourth solenoid valve 351 is arranged on the fourth pipeline 35, and one end of the fourth pipeline 35 is fixedly connected to the through hole 121;

the left end of the connector 31 is fixedly connected with a second pipeline 33, a second electromagnetic valve 331 is arranged on the second pipeline 33, and one end of the second pipeline 33 is fixedly connected to the jacking structure 4.

Further, the jacking structure 4 comprises a fixing block 41, the fixing block 41 is fixedly mounted on the base 11, a fixing groove 42 is formed in the inner wall of the fixing block 41, a small hollow tube 44 is fixedly mounted on the inner wall of the bottom end of the fixing groove 42, a second pipeline 33 is fixedly connected to the inner wall of the bottom end of the small hollow tube 44, the small hollow tube 44 is slidably connected to the inner wall of a large hollow tube 43, a baffle 431 is fixedly mounted on the inner wall of the top end of the large hollow tube 43, a spring 45 is fixedly mounted at the bottom of the large hollow tube 43, and the bottom of the spring 45 is fixedly mounted on the fixing groove 42;

a sealing ring is arranged between the surface of the small hollow pipe 44 and the inner wall of the large hollow pipe 43, and specifically, the jacking structure 4 has the function of jacking the formed tire upwards, so that the effect of taking out the tire conveniently is achieved.

A use method of a vacuum segmented mold of a polyurethane tire comprises the following specific steps:

s1, opening the four solenoid valves 351, placing the green tires into the mold 1, and performing gas stamping, so that the gas in the mold flows into the collecting tank 21 through the vent holes, the four pipes 35, the connectors 31 and the first pipes 32, and after the gas flows in, closing the four solenoid valves 351;

s2, when the tire needs to be taken out after being molded, only the second electromagnetic valve 331 is opened, then the screw 27 is rotated through the servo motor 24, the rotating screw 27 lowers the extrusion plate 25 through the nut 26, the lowered extrusion plate 25 extrudes gas, and the gas flows into the small hollow tube 44 through the first pipeline 32, the connector 31 and the second pipeline 33;

s3, when the air flows into the small hollow pipe 44, the air can make the large hollow pipe 43 rise through the baffle 431, the rising large hollow pipe 43 can jack up the tire, so that the tire can be taken out conveniently, after the tire is taken out, the electromagnetic valve III 341 is opened, after the electromagnetic valve III is opened, under the action of the elastic force of the spring 45, the large hollow pipe 43 can be restored to the original position, and the air can flow out through the pipeline III 34;

and S4, when the vent hole is blocked after the tire is molded, only opening the four solenoid valves 351, and enabling the air to flow into the vent hole through the first pipeline 32, the connector 31 and the fourth pipeline 35 through the lifting assembly, so that the vent hole is dredged.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.