CN213919495U - Composite extruder head for rubber foaming tire - Google Patents
Composite extruder head for rubber foaming tire Download PDFInfo
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- CN213919495U CN213919495U CN202023064872.4U CN202023064872U CN213919495U CN 213919495 U CN213919495 U CN 213919495U CN 202023064872 U CN202023064872 U CN 202023064872U CN 213919495 U CN213919495 U CN 213919495U
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Abstract
The utility model relates to the technical field of plastic extruders, and provides a composite extruder head for a rubber foaming tire, which comprises an extruder head, wherein an inner rubber cavity and an outer rubber cavity are arranged in the extruder head, and the inner rubber cavity is positioned inside the outer rubber cavity; the outlet end of the inner rubber cavity is provided with an extrusion inner mouth, the outlet end of the outer rubber cavity is provided with an extrusion outer mouth, and the extrusion outer mouth is positioned on the outer side of the extrusion inner mouth; hollow support is still installed to the inside in inner rubber chamber, and support intercommunication buffer solution and air supply install the core on the support, and the core is equipped with the through-hole along the axis direction, and through-hole intercommunication buffer solution and air supply, the one end that the support was kept away from to the core extends to extrusion outer die department. The utility model provides a present rubber foaming tire is with compound extruder head mostly all the structure complicacy, to the plastic of extruding of hollow, after extruding the completion, the adhesion appears easily in the plastic inner chamber, influences the problem of extruding the quality.
Description
Technical Field
The utility model relates to a plastic extruder technical field especially relates to a rubber foaming is compound extruder aircraft nose for tire.
Background
The environment-friendly rubber foamed tire is produced by adopting environment-friendly rubber and environment-friendly rubber additives through the working procedures of plastication, mixing, composite extrusion, joint, vulcanization, cold forming and the like, and an extruder is required in the production process of the rubber foamed tire.
The extruder belongs to a kind of plastic machinery, originated from 18 th century, and in the extruder, generally, the most basic and most common is a screw extruder, which relies on the pressure and shearing force generated by the rotation of a screw to fully plasticize and uniformly mix materials, and the extruder is formed by a die, which mainly comprises: the machine head is used for converting plastic melt in rotary motion into parallel linear motion, so that the plastic is further plasticized uniformly, the melt is led into the neck mold uniformly and stably, necessary forming pressure is given, the plastic is easy to form, and the obtained product is compact.
The applicant has found in practice that the extruder head for rubber foam tire of the present invention has the following defects: most of the existing extrusion heads are single extrusion heads and also have a part of composite extrusion heads, but most of the existing composite extrusion heads are complex in structure, and for hollow extrusion plastic, after the extrusion is completed, the inner cavities are easy to adhere, so that the product extrusion quality is affected.
Therefore, the development of the compound extruder head for the rubber foaming tire not only has urgent research value, but also has good economic benefit and industrial application potential, which is the basis and the place where the utility model can complete the power.
Disclosure of Invention
In order to overcome the defects of the prior art pointed out above, the utility model discloses the people has carried out the deep research to this, after having paid out a large amount of creative work, thereby accomplished the utility model discloses.
Particularly, the utility model discloses the technical problem that solve is: the utility model provides a rubber foaming is compound extruder aircraft nose for tire to solve present rubber foaming tire and use compound extruder aircraft nose all the structure complicacy, to the extrusion plastic of hollow, after extruding the completion, the adhesion appears in the plastic inner chamber easily, influences the problem of extruding the quality.
In order to solve the technical problem, the technical scheme of the utility model is that:
a composite extruder head for a rubber foaming tire comprises an extruder head, wherein an inner rubber cavity and an outer rubber cavity are arranged in the extruder head, and the inner rubber cavity is positioned in the outer rubber cavity;
an extrusion inner mouth is arranged at the outlet end of the inner rubber cavity, an extrusion outer mouth is arranged at the outlet end of the outer rubber cavity, and the extrusion outer mouth is positioned on the outer side of the extrusion inner mouth;
the inner rubber cavity is internally provided with a hollow support which is communicated with an isolation liquid and an air source, the support is provided with a core, the core is provided with a through hole along the axis direction and is communicated with the isolation liquid and the air source, and one end of the core, which is far away from the support, extends to the position of the extruded outer opening.
As an improved scheme, the inner side wall of the inner rubber cavity is provided with a pair of oppositely arranged sliding grooves, and the support is slidably arranged in the sliding grooves.
As an improved scheme, a first connecting port and a second connecting port are respectively arranged on two sides of the bracket, which are abutted against the sliding chute, the first connecting port is communicated with the isolation liquid through a connecting pipe, and the second connecting port is communicated with an air source through a connecting pipe;
the inside of support is provided with the installation cavity, the installation cavity through first air flue with first connector intercommunication, the installation cavity through the second air flue with the second connector intercommunication.
As an improved scheme, one end of the core mold, which is connected with the support, is provided with a connecting part, the outer side of the connecting part is provided with an external thread, the inner side wall of the mounting cavity is provided with an internal thread matched with the external thread of the connecting part, and the connecting part is mounted in the mounting cavity of the support through a thread.
As a modified proposal, one side of the bracket facing the inlet end of the inner rubber cavity is provided with an arc-shaped shunting part.
As an improved scheme, a first connecting flange is arranged at the inlet end of the inner rubber cavity, and a second connecting flange is arranged at the inlet end of the outer rubber cavity.
As an improved scheme, the outlet end of the inner rubber cavity is provided with a first mounting groove, the inner wall of the first mounting groove is provided with an internal thread, the outer side wall of the extruded inner opening is provided with an external thread matched with the internal thread of the first mounting groove, and the extruded inner opening is installed in the first mounting groove in a threaded mode.
As an improved scheme, the outlet end of the outer rubber cavity is provided with a second mounting groove, the inner wall of the second mounting groove is provided with an internal thread, the outer side wall of the extrusion outer opening is provided with an external thread matched with the internal thread of the second mounting groove, and the extrusion outer opening is installed in the second mounting groove in a threaded mode.
As an improved scheme, the extrusion inner mouth and the extrusion outer mouth are both provided with extrusion glue ports, and the extrusion glue ports and the core are arranged coaxially.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
the extrusion machine head is integrally formed, and is simple in structure and easy to process;
the hollow support is arranged in the inner rubber cavity, the support is communicated with the isolation liquid and the air source, the core is arranged on the support, the core is provided with a through hole, the through hole is communicated with the isolation liquid and the air source, one end, far away from the support, of the core extends to the position of the extrusion outer opening, and the core, the through hole, the isolation liquid and the air source are arranged, so that the problem that the extrusion quality is influenced due to the fact that the extrusion inner cavity is adhered after extrusion molding is effectively solved;
the inner side wall of the inner rubber cavity is provided with the sliding groove, so that the support is convenient to mount;
the first connecting flange and the second connecting flange are arranged, so that the extruder head is conveniently connected with the extruder;
through setting up arc reposition of redundant personnel portion, the plastic that makes the inner rubber chamber can evenly disperse when support department flows, avoids appearing the plastic and extrudes inhomogeneous problem.
To sum up, the utility model provides a present rubber foaming tire with compound extrusion aircraft nose mostly all the structure complicated, to the plastic of extruding of hollow, after extruding the completion, the adhesion appears easily in the plastic inner chamber, influences the problem of extruding the quality.
Drawings
Fig. 1 is a schematic view of the split structure of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is a schematic structural view of the inner rubber cavity and the outer rubber cavity of the present invention;
FIG. 4 is a schematic structural view of a core mold and a bracket according to the present invention;
fig. 5 is a schematic structural view of the bracket of the present invention;
fig. 6 is a schematic structural view of the core of the present invention;
wherein each numerical designation refers to a particular meaning, element, and/or component, respectively, as follows in the figures.
In the figure: 1. the interior gluey chamber, 2, outer gluey chamber, 3, extrude interior mouth type, 4, extrude outer mouth type, 5, support, 501, first connector, 502, second connector, 503, installation cavity, 504, first air flue, 505, second air flue, 506, arc reposition of redundant personnel portion, 6, core type, 601, connecting portion, 7, spout, 8, connecting pipe, 9, first connecting flange, 10, second connecting flange, 11, first mounting groove, 12, second mounting groove, 13, extrude gluey mouth.
Detailed Description
The invention will be further described with reference to specific examples. The use and purpose of these exemplary embodiments are to illustrate the invention, not to limit the scope of the invention in any way, and not to limit the scope of the invention in any way.
As shown in fig. 1-6, a composite extruder head for rubber foam tires comprises an extruder head, wherein an inner rubber cavity 1 and an outer rubber cavity 2 are arranged in the extruder head, and the inner rubber cavity 1 is located inside the outer rubber cavity 2;
the extrusion inner mouth 3 is arranged at the outlet end of the inner rubber cavity 1, the extrusion outer mouth 4 is arranged at the outlet end of the outer rubber cavity 2, the extrusion outer mouth 4 is positioned at the outer side of the extrusion inner mouth 3, the composite extrusion function of plastic is realized by arranging the inner rubber cavity 1, the extrusion inner mouth 3, the outer rubber cavity 2 and the extrusion outer mouth 4, and the extruder head is integrally formed, has a simple structure and is easy to process;
In this embodiment, as shown in fig. 1, the inner side wall of the inner rubber cavity 1 is provided with a pair of oppositely-arranged sliding grooves 7, the support 5 is slidably mounted in the sliding grooves 7, and the support 5 is conveniently mounted by arranging the sliding grooves 7.
In this embodiment, as shown in fig. 2 to 5, two sides of the bracket 5, which are abutted against the chute 7, are respectively provided with a first connection port 501 and a second connection port 502, the first connection port 501 and the second connection port 502 are provided with threads, the side wall of the extruder head is provided with a penetration hole penetrating through the inner rubber cavity 1 and the outer rubber cavity 2, a connection pipe 8 is penetrated through the penetration hole, the first connection port 501 is communicated with an external isolation liquid through the connection pipe 8, and the second connection port 502 is communicated with an external air source through the connection pipe 8;
the inside of the bracket 5 is provided with a mounting cavity 503, the mounting cavity 503 is communicated with the first connecting port 501 through a first air passage 504, and the mounting cavity 503 is communicated with the second connecting port 502 through a second air passage 505, so that the isolation liquid and the gas can enter the mounting cavity 503 through the air passages;
in addition, the first air channel 504 is located at the bottom of the second air channel 505, so that the air can blow the spacer fluid to move into the through hole of the core 6.
In this embodiment, as shown in fig. 4 and 6, a connecting portion 601 is disposed at one end of the core 6 connected to the bracket 5, an external thread is disposed at an outer side of the connecting portion 601, an internal thread adapted to the external thread of the connecting portion 601 is disposed on an inner side wall of the mounting cavity 503, and the connecting portion 601 is mounted in the mounting cavity 503 of the bracket 5 through a thread.
In this embodiment, as shown in fig. 4 and 5, an arc shunting portion 506 is disposed on one side of the support 5 facing the inlet end of the inner rubber cavity 1, and by disposing the arc shunting portion 506, the plastic in the inner rubber cavity 1 can be uniformly dispersed when flowing at the support 5, so as to avoid uneven extrusion of the plastic.
In this embodiment, as shown in fig. 2 and 3, a first connecting flange 9 is disposed at an inlet end of the inner rubber chamber 1, a second connecting flange 10 is disposed at an inlet end of the outer rubber chamber 2, and the first connecting flange 9 and the second connecting flange 10 are disposed to facilitate connection between the extruder head and the extruder.
In this embodiment, as shown in fig. 3, the outlet end of the inner rubber cavity 1 is provided with a first mounting groove 11, the inner wall of the first mounting groove 11 is provided with an internal thread, the outer side wall of the extrusion inner die 3 is provided with an external thread matched with the internal thread of the first mounting groove 11, and the extrusion inner die 3 is installed in the first mounting groove 11 in a threaded manner.
In this embodiment, as shown in fig. 3, a second mounting groove 12 is provided at an outlet end of the outer rubber chamber 2, an inner thread is provided on an inner wall of the second mounting groove 12, an outer thread adapted to the inner thread of the second mounting groove 12 is provided on an outer sidewall of the extrusion outer die 4, and the extrusion outer die 4 is threadedly mounted in the second mounting groove 12;
threaded connection is adopted between the core type 6 and the support 5, between the inner glue cavity 1 and the extruded inner mouth type 3, between the outer glue cavity 2 and the extruded outer mouth type 4, and the disassembly and the assembly are convenient and fast through the threaded connection.
In this embodiment, as shown in fig. 2, the extrusion inner die 3 and the extrusion outer die 4 are both provided with an extrusion glue port 13, and the extrusion glue port 13 and the core die 6 are coaxially arranged, so that the extruded plastic is more uniformly distributed.
For ease of understanding, the working process of the present embodiment is given below:
as shown in fig. 1 to 6, first, the connecting portion 601 of the core mold 6 is screwed into the mounting cavity 503 of the holder 5, the holder 5 is mounted into the chute 7 of the inner rubber cavity 1, and the first connecting port 501 and the second connecting port 502 of the holder 5 are respectively communicated with the external spacer fluid and the external air source through the connecting pipe 8;
then, the extrusion inner die 3 is installed in a first installation groove 11 at the outlet end of the inner rubber cavity 1 in a threaded manner, and the extrusion outer die 4 is installed in a second installation groove 12 at the outlet end of the outer rubber cavity 2 in a threaded manner;
and then, the first connecting flange 9 and the second connecting flange 10 of the extruder head are respectively connected with the extruder to realize the input of two plastic materials.
To sum up can, the utility model provides a present rubber foaming tire with compound extrusion aircraft nose mostly all the structure complicated, to the plastic of extruding of hollow, after extruding the completion, the adhesion appears easily in the plastic inner chamber, influences the problem of extruding the quality.
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 (9)
1. The utility model provides a rubber foaming is compound extruder aircraft nose for tire which characterized in that: the extruder comprises an extruder head, wherein an inner rubber cavity and an outer rubber cavity are arranged in the extruder head, and the inner rubber cavity is positioned in the outer rubber cavity;
an extrusion inner mouth is arranged at the outlet end of the inner rubber cavity, an extrusion outer mouth is arranged at the outlet end of the outer rubber cavity, and the extrusion outer mouth is positioned on the outer side of the extrusion inner mouth;
the inner rubber cavity is internally provided with a hollow support which is communicated with an isolation liquid and an air source, the support is provided with a core, the core is provided with a through hole along the axis direction and is communicated with the isolation liquid and the air source, and one end of the core, which is far away from the support, extends to the position of the extruded outer opening.
2. A compound extruder head for a rubber foam tire as in claim 1, wherein: the inside wall in interior gluey chamber is equipped with a pair of spout that sets up relatively, support slidable mounting in the spout.
3. A compound extruder head for a rubber foam tire as in claim 2, wherein: a first connecting port and a second connecting port are respectively arranged on two sides of the support, which are in contact with the sliding groove, the first connecting port is communicated with the isolation liquid through a connecting pipe, and the second connecting port is communicated with an air source through a connecting pipe;
the inside of support is provided with the installation cavity, the installation cavity through first air flue with first connector intercommunication, the installation cavity through the second air flue with the second connector intercommunication.
4. A compound extruder head for a rubber foam tire as in claim 3, wherein: the core type with the one end of leg joint is equipped with connecting portion, the outside of connecting portion is equipped with the external screw thread, be equipped with on the inside wall of installation cavity with the internal thread of the external screw thread looks adaptation of connecting portion, connecting portion pass through the screw thread install in the support the installation cavity.
5. A compound extruder head for a rubber foam tire as in claim 3, wherein: and one side of the support, which faces the inlet end of the inner rubber cavity, is provided with an arc-shaped shunting part.
6. A compound extruder head for a rubber foam tire as in claim 1, wherein: the inlet end of the inner rubber cavity is provided with a first connecting flange, and the inlet end of the outer rubber cavity is provided with a second connecting flange.
7. A compound extruder head for a rubber foam tire as in claim 1, wherein: the outlet end of the inner rubber cavity is provided with a first mounting groove, an internal thread is arranged on the inner wall of the first mounting groove, an external thread matched with the internal thread of the first mounting groove is arranged on the outer side wall of the extruded inner opening, and the extruded inner opening is in threaded installation in the first mounting groove.
8. A compound extruder head for a rubber foam tire as in claim 1, wherein: the outlet end of outer rubber cavity is equipped with the second mounting groove, be equipped with the internal thread on the second mounting groove inner wall, be equipped with on the lateral wall of extruding the outer die with the external screw thread of the internal thread looks adaptation of second mounting groove, extrude outer die screw thread install in the second mounting groove.
9. A compound extruder head for a rubber foam tire as in claim 1, wherein: the extrusion inner mouth and the extrusion outer mouth are both provided with extrusion glue ports, and the extrusion glue ports and the core mould are arranged coaxially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023064872.4U CN213919495U (en) | 2020-12-18 | 2020-12-18 | Composite extruder head for rubber foaming tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023064872.4U CN213919495U (en) | 2020-12-18 | 2020-12-18 | Composite extruder head for rubber foaming tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213919495U true CN213919495U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023064872.4U Active CN213919495U (en) | 2020-12-18 | 2020-12-18 | Composite extruder head for rubber foaming tire |
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| Country | Link |
|---|---|
| CN (1) | CN213919495U (en) |
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- 2020-12-18 CN CN202023064872.4U patent/CN213919495U/en active Active
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