CN215661729U - Discharging device of PE-Xc pipe extruder - Google Patents
Discharging device of PE-Xc pipe extruder Download PDFInfo
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- CN215661729U CN215661729U CN202122347236.0U CN202122347236U CN215661729U CN 215661729 U CN215661729 U CN 215661729U CN 202122347236 U CN202122347236 U CN 202122347236U CN 215661729 U CN215661729 U CN 215661729U
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Abstract
The utility model relates to a discharging device of a PE-Xc pipe extruder, which comprises a machine head body, a mouth mold and a rod core, wherein a melt cavity communicated with a feeding hole is arranged among the inner wall of the machine head body, the inner wall of the mouth mold and the outer wall of the rod core, an upper disk and a lower disk are arranged on the rod core, a plurality of first through holes are respectively arranged on the upper disk and the lower disk, one side of the mouth mold is provided with an outer sleeve, an outer gas flow cavity positioned outside the melt cavity is arranged among one side of the upper disk, one side of the lower disk, the outer wall of the mouth mold and the inner wall of the machine head body, an inner gas flow cavity positioned inside the melt cavity is arranged between the lower disk and the rod core, the end part of the outer sleeve is provided with a discharging hole, the upper disk and the lower disk support and mount the rod core, the outer sleeve pressing mouth mold, the mouth mold pressing upper disk and the lower disk are quickly mounted and detachably replaced, when a PE-Xc raw material melt is formed along the melt, the melt improves the forming quality of the inner and outer wall and the inner wall of a pipe under the auxiliary gas flow cavity, and quickly cools and forms under the action of a cooling channel, the quality and the production efficiency of the PE-Xc pipe are improved.
Description
Technical Field
The utility model relates to a discharging device of a PE-Xc pipe extruder, belonging to the technical field of PE-Xc pipe production equipment.
Background
The PE-Xc pipe is one kind of PEX pipe, high density polyethylene is used as material, linear molecular structure of polyethylene is crosslinked physically or chemically to form chemical valence bond between polyethylene molecular chains, high performance ray irradiation crosslinking mode is adopted, and crosslinked polyethylene molecule is three-dimensional structure, so that the service performance of the polyethylene pipe is improved, especially the heat resistance, pressure resistance, chemical resistance, environmental stress resistance, service life and other performances of the pipe are greatly improved, and the PE-Xc pipe is an ideal material for conveying various fluids. The PE-Xc pipe is molded and manufactured by adopting an extruder, the extruder comprises a pressure and a shearing force generated by the rotation of a screw rod, materials can be fully plasticized and uniformly mixed, a neck mold is molded by a discharging device, a rod core gap inside the neck mold is tubular, a melt of the PE-Xc pipe is molded by spiral extrusion, and the quality and the production efficiency of the PE-Xc pipe are influenced because the melt and the inner wall and the outer wall of the pipe have large flow resistance and poor shaping performance, the melt has poor flowability and the surface of the pipe and the molding quality of the pipe are poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a discharging device of a PE-Xc pipe extruder, which can be disassembled and replaced, and when a PE-Xc raw material melt is formed along a melt cavity, the forming quality of the inner wall and the outer wall of a pipe fitting is improved under the action of auxiliary air flow of an outer air flow cavity and an inner air flow cavity, and the pipe fitting is rapidly cooled and formed under the action of a cooling channel, so that the quality and the production efficiency of a PE-Xc pipe are improved.
The utility model is realized by the following technical scheme:
a discharging device of a PE-Xc pipe extruder comprises a machine head body, a mouth mold positioned at the tail part of the machine head body and a rod core positioned in the mouth mold, wherein a feeding hole is formed in the head end of the machine head body, a melt cavity communicated with the feeding hole is formed among the inner wall of the machine head body, the inner wall of the mouth mold and the outer wall of the rod core, an upper plate and a lower plate which are in limit fit with the inner wall of the machine head body and the end part of the mouth mold are arranged on the rod core, and a plurality of first through holes communicated with the melt cavity are formed in the upper plate and the lower plate;
the rod core is provided with a first notch embedded with the upper disc and the lower disc, the outer walls of the rod cores positioned at two sides of the first notch are of conical surface structures arranged oppositely, the end surfaces of the upper disc and the lower disc are in clearance fit, and the side parts of the upper disc and the lower disc are provided with second notches embedded with the end surfaces of the mouth mold;
an outer sleeve connected with the machine head body is arranged on one side of the neck mold, an outer gas flow cavity positioned outside the melt cavity is arranged between one side of the upper plate and the lower plate and between the outer wall of the neck mold and the inner wall of the machine head body, an inner gas flow cavity positioned inside the melt cavity is arranged between the lower plate and the rod core, and a discharge hole is formed in the end part of the outer sleeve;
the outer wall of the neck ring mold is provided with a convex disc positioned between a machine head body and an outer sleeve, the convex disc is provided with a plurality of second through holes communicated with an outer gas flow cavity, and the machine head body is provided with a first air inlet joint communicated with the outer gas flow cavity;
the inner gas flow cavity comprises a third through hole arranged on the lower disc and a fourth through hole which is arranged on the rod core corresponding to the third through hole and is of an L-shaped structure, and a second air inlet joint communicated with the inner gas flow cavity is arranged on the machine head body;
the tail end of the rod core protrudes out of the neck mold and is located inside the outer sleeve, the outer portion of the outer sleeve is connected with a cooling sleeve, and a cooling channel with an annular cross section is arranged between the inner wall of the cooling sleeve and the outer wall of the outer sleeve.
The utility model has the beneficial effects that:
(1) the disc and the lower disc are arranged in the machine head body through the first notch which is correspondingly embedded into the rod core and are in clearance fit with the inner wall of the machine head body, the upper disc and the lower disc are pressed and arranged in the machine head body through the second notch which is embedded into the upper disc and the lower disc at the end part of the neck ring mould, the rod core is positioned and arranged, the neck ring mould is limited with the tail part of the machine head body through the convex disc, the outer sleeve is sleeved outside the rod core and the neck ring mould to compress the convex disc and is fixedly connected with the machine head body, so that the rod core, the outer sleeve compressing neck ring mould, the neck ring mould compressing upper disc and the lower disc are supported and arranged on the upper disc and the lower disc, and can be quickly installed and detachably replaced;
(2) when the end part of the head body is connected with a PE-Xc pipe extruder for discharging, PE-Xc raw material melt enters a feeding hole through extrusion, and is extruded and formed along a melt cavity, a first through hole and the tail part of the melt cavity, the forming quality of the inner wall and the outer wall of the pipe fitting is improved under the action of auxiliary air flow of an outer air flow cavity and an inner air flow cavity, and the pipe fitting is rapidly cooled and shaped under the action of a cooling channel, so that the quality and the production efficiency of the PE-Xc pipe are improved.
Drawings
Fig. 1 is a left side perspective view of the present invention.
Fig. 2 is a right side perspective view of the present invention.
FIG. 3 is a cross-sectional structural view of the present invention.
FIG. 4 is a perspective view of the upper and lower trays of the present invention in combination.
Fig. 5 is a perspective view of a die of the present invention.
In the figure: the machine head comprises a machine head body 1, a mouth mold 2, a rod core 3, a feeding hole 4, a melt cavity 5, an upper disk 6, a lower disk 7, a first through hole 8, a first notch 9, a second notch 10, an outer sleeve 11, an outer gas flow cavity 12, an inner gas flow cavity 13, a discharge hole 14, a convex disk 15, a second through hole 16, a first air inlet joint 17, a third through hole 131, a fourth through hole 132, a second air inlet joint 18, a cooling jacket 19, a cooling channel 20, a sealing ring 21, a cooling inlet joint 22 and a cooling outlet joint 23.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
A discharging device of a PE-Xc pipe extruder comprises a machine head body 1, a mouth mold 2 positioned at the tail part of the machine head body 1 and a rod core 3 positioned in the mouth mold 2, wherein a feeding hole 4 is formed in the head end of the machine head body 1, a melt cavity 5 communicated with the feeding hole 4 is formed among the inner wall of the machine head body 1, the inner wall of the mouth mold 2 and the outer wall of the rod core 3, an upper plate 6 and a lower plate 7 which are in limit fit with the inner wall of the machine head body 1 and the end part of the mouth mold 2 are arranged on the rod core 3, and a plurality of first through holes 8 communicated with the melt cavity 5 are formed in the upper plate 6 and the lower plate 7;
the rod core 3 is provided with a first notch 9 embedded with the upper disc 6 and the lower disc 7, the outer walls of the rod core 3 positioned at two sides of the first notch 9 are in conical surface structures arranged oppositely, the end surfaces of the upper disc 6 and the lower disc 7 are in clearance fit, and the side parts of the upper disc 6 and the lower disc 7 are provided with second notches 10 embedded with the end surfaces of the mouth mold 2;
an outer sleeve 11 connected with the machine head body 1 is arranged on one side of the neck mold 2, an outer gas flow cavity 12 positioned outside the melt cavity 5 is arranged between one side of the upper plate 6 and the lower plate 7 and the outer wall of the neck mold 2 and between the inner wall of the machine head body 1, an inner gas flow cavity 13 positioned inside the melt cavity 5 is arranged between the lower plate 7 and the rod core 3, and a discharge hole 14 is arranged at the end part of the outer sleeve 11;
the outer wall of the mouth mold 2 is provided with a convex disc 15 positioned between the machine head body 1 and the outer sleeve 11, the convex disc 15 is provided with a plurality of second through holes 16 communicated with the outer gas flow cavity 12, and the machine head body 1 is provided with a first air inlet joint 17 communicated with the outer gas flow cavity 12;
the inner gas flow cavity 13 comprises a third through hole 131 arranged on the lower disc 7 and a fourth through hole 132 which is arranged on the rod core 3 corresponding to the third through hole 131 and is in an L-shaped structure, and the machine head body 1 is provided with a second air inlet joint 18 communicated with the inner gas flow cavity 13;
the tail end of the rod core 3 protrudes out of the neck mold 2 and is positioned in the outer sleeve 11, the outer part of the outer sleeve 11 is connected with a cooling sleeve 19, and a cooling channel 20 with an annular section is arranged between the inner wall of the cooling sleeve 19 and the outer wall of the outer sleeve 11;
and sealing rings 21 are arranged between the inner walls of the two ends of the cooling jacket 19 and the outer wall of the outer sleeve 11, and a cooling inlet joint 22 and a cooling outlet joint 23 which are communicated with the cooling channel 20 are respectively arranged at the bottom and the top of the side of the cooling jacket 19.
The working principle of the utility model is as follows:
referring to the attached drawings, during assembly, an upper disc 6 and a lower disc 7 are correspondingly embedded into a first notch 9 of a rod core 3 to form a whole circle structure and are installed in a machine head body 1 and are in clearance fit with the inner wall of the machine head body 1, a neck mold 2 is sleeved outside the rod core 3, the end part of the neck mold 2 is used for pressing the upper disc 6 and the lower disc 7 in the machine head body 1 through embedding a second notch 10 of the upper disc 6 and the lower disc 7 and positioning and installing the rod core 3, the neck mold 2 is limited with the tail part of the machine head body 1 through a convex disc 15, an outer sleeve 11 is sleeved outside the rod core 3 and the neck mold 2 to compress the convex disc 15 and is fixedly connected with the machine head body 1, so that the neck mold 2 and the outer sleeve 11 are installed, a cooling sleeve 19 is sleeved outside the outer sleeve 11 and is in sealing fit with the outer sleeve 11 through a sealing ring 21, and the end part of the cooling sleeve 19 is fixedly connected with the outer sleeve 11 so that a cooling passage 20 with an annular section is formed between the cooling sleeve 19 and the outer sleeve 11;
connecting the end part of a machine head body 1 with a spiral outlet of a PE-Xc pipe extruder, extruding PE-Xc raw material melt to enter a feed inlet 4, dividing the PE-Xc raw material melt to a melt cavity 5 between the inner wall of the machine head body 1 and a rod core 3 under the action of the conical surface of the rod core 3, passing through a first through hole 8 of an upper disc 6 and a lower disc 7, entering the melt cavity 5 between the inner wall of a neck mold 2 and the conical outer wall of the rod core 3, and continuously advancing and extruding to form a tubular structure;
during extrusion, a first air inlet joint 17 on the machine head body 1 is connected with a gas pipeline to supply air to an external gas flow cavity 12, so that the gas is divided by a second through hole 16 communicated with a convex disc 15 and enters the tail part of the external gas flow cavity 12 to blow to the outer wall of a pipe shape through the inner wall of the machine head body 1, one side of an upper disc 6 and a lower disc 7, the external gas flow cavity 12 on the outer wall of the mouth mold 2, the flow resistance of the melt and the outer wall of the pipe is reduced, and the forming is assisted, the tail end of the rod core 3 protrudes out of the mouth mold 2 and is positioned in the outer sleeve 11, so that the pipe shape advances between the rod core 3 and the outer sleeve 11;
the second air inlet joint 18 on the machine head body 1 is connected with a third through hole 131 on the inward gas flow cavity 13 of the gas pipeline, namely the lower disc 7, and a fourth through hole 132 which is arranged on the rod core 3 corresponding to the third through hole 131 and is in an L-shaped structure, is positioned in the melt cavity 5 and blows towards the inner wall of the tube shape for auxiliary forming;
when the pipe shape moves to the discharge port 14, a cooling medium is introduced into the cooling channel 20 through the cooling inlet joint 22, exchanges heat with the outer sleeve 11 and is discharged outside through the cooling outlet joint 23, the pipe shape of the outer sleeve 11 and the attached outer sleeve 11 is cooled and solidified, and the pipe shape is discharged through the discharge port 14;
in conclusion, the utility model has stable structure, the upper disc 6 and the lower disc 7 support and mount the rod core 3, the outer sleeve 11 presses the neck mold 2, the neck mold 2 presses the upper disc 6 and the lower disc 7 to be rapidly mounted and detachably replaced, when the extruded melt of the PE-Ec pipe extruder enters the tail part of the melt cavity 5 from the feed inlet 4 to be molded, the molding quality of the inner wall and the outer wall of the pipe fitting is improved under the auxiliary airflow action of the outer airflow cavity 12 and the inner airflow cavity 13, and the pipe fitting is rapidly cooled and molded under the action of the cooling channel 20, so that the quality and the production efficiency of the PE-Xc pipe are improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A discharging device of a PE-Xc pipe extruder comprises a machine head body (1), a mouth mold (2) located at the tail of the machine head body (1) and a rod core (3) located inside the mouth mold (2), wherein a feeding hole (4) is formed in the head end of the machine head body (1), a melt cavity (5) communicated with the feeding hole (4) is formed among the inner wall of the machine head body (1), the inner wall of the mouth mold (2) and the outer wall of the rod core (3), an upper disc (6) and a lower disc (7) which are in limit fit with the inner wall of the machine head body (1) and the end portion of the mouth mold (2) are arranged on the rod core (3), and a plurality of first through holes (8) communicated with the melt cavity (5) are formed in the upper disc (6) and the lower disc (7);
the mouth mold is characterized in that an outer sleeve (11) connected with the machine head body (1) is arranged on one side of the mouth mold (2), an outer gas flow cavity (12) located outside the melt cavity (5) is arranged between one side of the upper plate (6) and the lower plate (7) and the outer wall of the mouth mold (2) and the inner wall of the machine head body (1), an inner gas flow cavity (13) located inside the melt cavity (5) is arranged between the lower plate (7) and the rod core (3), and a discharge hole (14) is formed in the end portion of the outer sleeve (11).
2. A discharging device of PE-Xc tube extruder as claimed in claim 1, characterized in that the rod core (3) is provided with a first notch (9) which is engaged with the upper disc (6) and the lower disc (7), and the outer wall of the rod core (3) located at both sides of the first notch (9) is formed as a cone structure which is oppositely arranged.
3. A discharge device for a PE-Xc tube extruder according to claim 1, characterized in that the upper (6) and lower (7) discs have a clearance fit on their end faces and are provided with second recesses (10) on their side portions for engagement with the end faces of the die (2).
4. The discharge device of a PE-Xc pipe extruder as claimed in claim 1, wherein the outer wall of the die (2) is provided with a convex disc (15) between the die body (1) and the outer sleeve (11), the convex disc (15) is provided with a plurality of second through holes (16) communicated with the outer gas flow cavity (12), and the die body (1) is provided with a first air inlet joint (17) communicated with the outer gas flow cavity (12).
5. The discharging device of a PE-Xc pipe extruder according to claim 1, wherein the inner gas flow chamber (13) comprises a third through hole (131) provided on the lower disc (7), a fourth through hole (132) provided on the rod core (3) corresponding to the third through hole (131) and having an L-shaped structure, and a second gas inlet joint (18) communicated with the inner gas flow chamber (13) is provided on the machine head body (1).
6. A discharge device of PE-Xc pipe extruder according to any one of claims 1 to 5, characterized in that the tail end of the rod core (3) protrudes from the die (2) and is located inside the outer sleeve (11), the outer part of the outer sleeve (11) is connected with a cooling jacket (19), and a cooling channel (20) with an annular section is arranged between the inner wall of the cooling jacket (19) and the outer wall of the outer sleeve (11).
7. A discharge device of PE-Xc pipe extruder according to claim 6, characterized in that a sealing ring (21) is provided between the inner wall of each end of the cooling jacket (19) and the outer wall of the outer jacket (11), and the bottom and top of the cooling jacket (19) are respectively provided with a cooling inlet joint (22) and a cooling outlet joint (23) which are communicated with the cooling channel (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347236.0U CN215661729U (en) | 2021-09-27 | 2021-09-27 | Discharging device of PE-Xc pipe extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347236.0U CN215661729U (en) | 2021-09-27 | 2021-09-27 | Discharging device of PE-Xc pipe extruder |
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| Publication Number | Publication Date |
|---|---|
| CN215661729U true CN215661729U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122347236.0U Active CN215661729U (en) | 2021-09-27 | 2021-09-27 | Discharging device of PE-Xc pipe extruder |
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| CN (1) | CN215661729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851513A (en) * | 2022-05-05 | 2022-08-05 | 济南美腾机械设备有限公司 | Hollow tube forming device |
-
2021
- 2021-09-27 CN CN202122347236.0U patent/CN215661729U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851513A (en) * | 2022-05-05 | 2022-08-05 | 济南美腾机械设备有限公司 | Hollow tube forming device |
| CN114851513B (en) * | 2022-05-05 | 2024-01-09 | 济南美腾机械设备有限公司 | Hollow tube forming device |
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