CN210552902U - Extruder die - Google Patents
Extruder die Download PDFInfo
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- CN210552902U CN210552902U CN201921538839.5U CN201921538839U CN210552902U CN 210552902 U CN210552902 U CN 210552902U CN 201921538839 U CN201921538839 U CN 201921538839U CN 210552902 U CN210552902 U CN 210552902U
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- storage cavity
- extruder die
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Abstract
The utility model discloses an extruder neck mold, which comprises a body, wherein the right end part of the body is provided with a storage cavity for accessing materials; the body is internally provided with a plurality of extrusion channels communicated with the material storage cavity, and each extrusion channel comprises a drainage channel for extruding and molding the material and a distribution channel for communicating the drainage channel with the material storage cavity; the drainage duct is located the left end portion of body, the left end portion of body still coats and has the cermet combined material coating. The utility model discloses can reduce the cutter with the wearing and tearing of extruder bush avoid cutting the grain unsharpness, improve the outward appearance and the quality of material grain, the extension cutter with the life of extruder bush.
Description
Technical Field
The utility model relates to an extruder bush.
Background
At present, an extruder is one of the most widely used devices in polymer processing, and materials are melted and mixed by the extruder at a certain temperature and pressure, then discharged through a die to be made into strips, and the strips are cut by a cutter arranged on the die along the end part of the die to obtain granules. In the cutting process, the cutter and the neck mold are rubbed, the cutter and the neck mold are abraded after long-term use, the cut material particles are not sharp, unqualified snowflake particles are generated, the appearance and the quality of the material particles are influenced, and the service lives of the cutter and the neck mold are also shortened.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide an extruder bush, it can reduce the cutter with the wearing and tearing of extruder bush avoid cutting the grain unsharpness, improve the outward appearance and the quality of material grain, prolong the cutter with the life of extruder bush.
In order to solve the technical problem, the technical scheme of the utility model is that: an extruder die, comprising a body, wherein,
the right end part of the body is provided with a material storage cavity for accessing materials;
the body is internally provided with a plurality of extrusion channels communicated with the material storage cavity, and each extrusion channel comprises a drainage channel for extruding and molding the material and a distribution channel for communicating the drainage channel with the material storage cavity;
the drainage duct is located the left end portion of body, the left end portion of body still coats and has the cermet combined material coating.
Further, the material storage cavity is of an annular structure arranged along the circumferential direction of the body;
and a plurality of rings are circumferentially distributed on the extrusion channel by taking the central shaft of the body as a circle center.
Further in order to stabilize the pressure of the material, the material storage cavity is of a tapered structure which is gradually reduced from the right side to the left side.
Further, the inlet of the distribution channel is communicated with the material storage cavity;
the outlet of the distribution channel is communicated with the drainage channel;
the distribution channel becomes gradually smaller along the material flow direction.
Further to prevent material accumulation at the inlets of the distribution channels, the inlets of all the distribution channels are distributed next to each other;
the inlet of any one distribution channel partially overlaps the inlet of the adjacent distribution channel.
Further, the diameter of the inlet of the distribution channel is 9-14 mm.
Furthermore, the drainage channel is of a cylindrical structure, and the diameter of the drainage channel is 3-5 mm.
Further, the extruder die is installed on the machine head body, and the right end of the storage cavity is provided with a sealing spigot for sealing connection with the machine head body.
Further, the extruder die is matched with the cutter device, and the body is further provided with a mounting hole for mounting the cutter device.
Further, in order to facilitate installation of the extruder die, the body is further provided with a plurality of connecting holes for connecting the body to the extruder, and the connecting holes are uniformly distributed along the circumferential direction of the body.
After the technical scheme is adopted, the material flows into the material storage cavity, is distributed to the drainage channel from the distribution channel, is extruded and molded into strips from the drainage channel, the cutter cuts the strips along the left end part of the body and abuts against the metal ceramic composite material coating, the metal ceramic composite material has the advantages of small density, high hardness, good wear resistance and good heat conductivity, and cannot be cracked due to shock cooling or shock heating, the metal ceramic composite material has the characteristics of metal toughness, high heat conductivity and good heat stability, as well as the characteristics of high temperature resistance, corrosion resistance, wear resistance and the like of ceramic, the wear resistance and corrosion resistance of the surface of the body are increased, the phenomenon that the cutter and the body are worn due to long-time cutting of the material particles is avoided, the phenomenon that the particles are not sharp and snowflake particles are generated is avoided, and the appearance and the quality of the material particles are improved, the service life of the cutter and the neck mold of the extruder is prolonged, and frequent replacement of the cutter is avoided.
Drawings
Fig. 1 is a cross-sectional view of the die of the extruder of the present invention;
FIG. 2 is a schematic structural view of the neck ring mold of the extruder of the present invention;
fig. 3 is a schematic structural view of the other side of the die of the extruder of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 3, an extruder die comprises a body, wherein,
the right end part of the body is provided with a material storage cavity 1 for accessing materials;
a plurality of extrusion channels communicated with the material storage cavity 1 are arranged in the body, and each extrusion channel comprises a drainage channel 2 for extruding and molding the material and a distribution channel 3 for communicating the drainage channel 2 with the material storage cavity 1;
the drainage duct 2 is positioned at the left end part of the body, and the left end part of the body is further coated with a metal ceramic composite material coating 4. Specifically, the material flows into the material storage cavity 1, is distributed to the drainage channel 2 from the distribution channel 3, and is extruded and molded into strips from the drainage channel 2, the cutter cuts the strips along the left end part of the body and abuts against the metal ceramic composite material coating 4, the metal ceramic composite material has the advantages of small density, high hardness, good wear resistance and good heat conductivity, and cannot be cracked due to shock cooling or shock heating, the metal ceramic composite material has the characteristics of metal toughness, high heat conductivity and good heat stability, as well as the characteristics of ceramic such as high temperature resistance, corrosion resistance and wear resistance, the wear resistance and corrosion resistance of the surface of the body are increased, the phenomenon that the cutter and the body are worn due to long-time cutting of the material particles is avoided, the phenomenon that the particles are not sharp and snowflake particles are generated is avoided, and the surface of the material particles is smooth and beautiful, the service life of the cutter and the extruder die is also increased. The metal ceramic composite material is an existing material, and is not described in detail in this embodiment.
As shown in fig. 1 to 3, the material storage chamber 1 is an annular structure arranged along the circumferential direction of the body;
a plurality of rings are circumferentially distributed on the extrusion channel by taking the central shaft of the body as a circle center; in this embodiment, the body is disc-shaped structure, extrude passageway circumference distribution and have 3 rings.
As shown in fig. 1, the material storage chamber 1 is a tapered structure gradually decreasing from right to left, so as to relieve the impact of the material on the material storage chamber 1 and further stabilize the pressure of the material.
As shown in fig. 1, the inlet of the distribution channel 3 is communicated with the storage chamber 1;
the outlet of the distribution channel 3 is communicated with the drainage channel 2;
the distribution channel 3 is gradually reduced along the material flowing direction so as to stabilize the material extrusion speed and further improve the smoothness of the surfaces of the material particles.
As shown in fig. 3, the inlets of all the distribution channels 3 are distributed next to each other;
the inlet of any one distribution channel 3 partly overlaps the inlet of the adjacent distribution channel 3 to prevent material from accumulating at the inlet of said distribution channel 3.
Specifically, the diameter of the inlet of the distribution channel 3 is preferably 9-14 mm, and in this embodiment, the diameter of the inlet of the distribution channel 3 is 10 mm.
As shown in FIGS. 1 and 2, the drainage channel 2 is a cylindrical structure, and the diameter of the drainage channel 2 is preferably 3-5 mm, and in this embodiment, the diameter of the drainage channel 2 is 3 mm.
As shown in fig. 1, the extruder die is mounted on a machine head body, and a sealing spigot 5 for sealing connection with the machine head body is arranged at the right end of the storage cavity 1, so as to prevent leakage when the material flows into the storage cavity 1 from the machine head body; specifically, the head body is a commonly used component in an extruder, and the specific structure thereof is the prior art well known to those skilled in the art, and is not described in detail in this embodiment.
As shown in fig. 1 to 3, the mouth mold of the extruder is used in cooperation with a cutter device, and the body is further provided with a mounting hole 6 for mounting the cutter device; the specific structure of the cutter device is the prior art, and is not described in detail in this embodiment.
As shown in fig. 1 to 3, the body may further include a plurality of connection holes 7 for connecting the body to an extruder, and the connection holes 7 are uniformly distributed along the circumferential direction of the body.
The working principle of the utility model is as follows:
after the technical scheme is adopted, the material flows into the material storage cavity 1 and is distributed to the drainage channel 2 from the distribution channel 3, then the material is extruded and molded into a material strip from the drainage channel 2, the cutter cuts the material strip along the left end part of the body and abuts against the metal ceramic composite material coating 4, the metal ceramic composite material has the advantages of small density, high hardness, good wear resistance and good heat conductivity and cannot be cracked due to shock cooling or shock heating, the metal ceramic composite material has the characteristics of metal toughness, high heat conductivity and good heat stability, the high temperature resistance, corrosion resistance, wear resistance and the like of ceramic, the wear resistance and the corrosion resistance of the surface of the body are improved, the phenomenon that the cutter and the body are worn due to long-time cutting of the material particles is avoided, the phenomenon that the material particles are not sharp and snowflake particles are generated is avoided, and the appearance and the quality of the material particles are improved, the service life of the cutter and the neck mold of the extruder is prolonged, and frequent replacement of the cutter is avoided.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A die for an extruder, comprising a body, wherein,
the right end part of the body is provided with a material storage cavity (1) for accessing materials;
a plurality of extrusion channels communicated with the material storage cavity (1) are arranged in the body, and each extrusion channel comprises a drainage channel (2) for extruding and molding the material and a distribution channel (3) for communicating the drainage channel (2) with the material storage cavity (1);
the drainage duct (2) is located at the left end of the body, and the left end of the body is further coated with a metal ceramic composite material coating (4).
2. The extruder die of claim 1,
the material storage cavity (1) is of an annular structure arranged along the circumferential direction of the body;
and a plurality of rings are circumferentially distributed on the extrusion channel by taking the central shaft of the body as a circle center.
3. The extruder die according to claim 2, characterized in that said accumulator chamber (1) is of a tapered configuration, tapering from right to left.
4. The extruder die of claim 1,
the inlet of the distribution channel (3) is communicated with the material storage cavity (1);
the outlet of the distribution channel (3) is communicated with the drainage channel (2);
the distribution channel (3) is gradually reduced along the material flowing direction.
5. The extruder die of claim 4,
the inlets of all the distribution channels (3) are distributed next to each other;
the inlet of any one distribution channel (3) partially overlaps the inlet of the adjacent distribution channel (3).
6. The extruder die according to claim 4, characterized in that the diameter of the inlet of said distribution channel (3) is 9-14 mm.
7. The extruder die according to claim 1, characterized in that said flow-guide (2) is of cylindrical configuration with a diameter of 3-5 mm.
8. The extruder die according to claim 1, characterized in that it is mounted on a head body, the right end of said accumulator chamber (1) being provided with a sealing spigot (5) for sealing connection with said head body.
9. The extruder die according to claim 1, characterised in that it cooperates with a cutter device, said body being further provided with mounting holes (6) for mounting said cutter device.
10. The extruder die according to claim 1, characterized in that said body is further provided with a plurality of attachment holes (7) for attaching said body to the extruder, said attachment holes (7) being uniformly distributed along the circumferential direction of said body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538839.5U CN210552902U (en) | 2019-09-16 | 2019-09-16 | Extruder die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538839.5U CN210552902U (en) | 2019-09-16 | 2019-09-16 | Extruder die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210552902U true CN210552902U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921538839.5U Active CN210552902U (en) | 2019-09-16 | 2019-09-16 | Extruder die |
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| CN (1) | CN210552902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290813A (en) * | 2021-05-19 | 2021-08-24 | 安徽戴家工艺有限公司 | Plastic rattan production equipment of rattan woven ware hanging seat |
| CN114163976A (en) * | 2021-11-19 | 2022-03-11 | 长兴浙宛复合材料有限公司 | Wear-resistant abrasive production equipment |
-
2019
- 2019-09-16 CN CN201921538839.5U patent/CN210552902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290813A (en) * | 2021-05-19 | 2021-08-24 | 安徽戴家工艺有限公司 | Plastic rattan production equipment of rattan woven ware hanging seat |
| CN114163976A (en) * | 2021-11-19 | 2022-03-11 | 长兴浙宛复合材料有限公司 | Wear-resistant abrasive production equipment |
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