CN114274489B - Spiral torsion type HDPE winding pipe deformation extrusion die - Google Patents
Spiral torsion type HDPE winding pipe deformation extrusion die Download PDFInfo
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- CN114274489B CN114274489B CN202111574662.6A CN202111574662A CN114274489B CN 114274489 B CN114274489 B CN 114274489B CN 202111574662 A CN202111574662 A CN 202111574662A CN 114274489 B CN114274489 B CN 114274489B
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- die
- extrusion
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- 238000001125 extrusion Methods 0.000 title claims abstract description 57
- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 28
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 28
- 238000004804 winding Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 6
- 239000012774 insulation material Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The invention discloses a deformation extrusion die for a spiral torsion type HDPE winding pipe, which comprises the following components: the extrusion mechanism and the female die connected with the extrusion mechanism; the quantity of die is a plurality of, and a plurality of dies are connected with the connecting pipe through a plurality of extrusion pipes respectively, the connecting pipe is connected with extrusion mechanism's output, the mould still includes: the male die is arranged in the female die and comprises a plurality of convex blocks, and an extrusion cavity is formed at a gap between the female die and the male die; the power assembly is connected with the male dies and used for driving the male dies to rotate by taking the central shafts of the female dies as axes respectively; the male die is driven to rotate through the power assembly, so that the supporting portion formed by the gaps between the protruding blocks is continuously twisted to form the spiral torsion type pipe, the pressure resistance of the pipe is effectively improved, and the problem that the surface of the formed HDPE winding pipe is uneven due to deformation during winding and shaping of the pipe is avoided.
Description
Technical Field
The invention relates to the technical field of HDPE winding pipe production, in particular to a deformation extrusion die for a spiral torsion type HDPE winding pipe.
Background
The HDPE winding pipe is a circular hollow wall pipe which is formed by taking high-density polyethylene (HDPE) as a raw material, extruding the high-density polyethylene (HDPE) into a plastic steel belt through a plastic extruder, extruding molten glue through a winding forming machine and winding. The HDPE winding pipe is mainly used for underground drainage of municipal roads, residential communities and sports fields, and the dosage of the HDPE winding pipe is also rapidly increased along with the rapid development of urban construction in recent years.
The existing HDPE winding pipe deformation extrusion die is shown in figure 1, an extruder is connected with the die, the die is fixed on a bottom plate, the extruder heats and melts granular plastic particles in an electric heating pipe mode to form a soft plastic pipe structure, and softened plastic pipe melt is extruded through the die to form a pipe with the cross section similar to that of the die; however, the pipe produced by the method is lack of support, is easy to deform during winding, further causes uneven surface of the HDPE winding pipe, and cannot simultaneously produce a plurality of pipes, so that the production efficiency is low.
Disclosure of Invention
The invention aims to provide a deformation extrusion die for a spiral torsion type HDPE winding pipe, which solves the following technical problems:
(1) The pipe produced by the existing mode is not supported in the pipe, and is easy to deform during winding, so that the surface of the HDPE winding pipe is uneven;
(2) The pipe can only be produced one by one, a plurality of pipes can not be produced at the same time, and the production efficiency is low.
The aim of the invention can be achieved by the following technical scheme:
a helically twisted HDPE wound pipe deforming extrusion die comprising:
the extrusion mechanism and the female die connected with the extrusion mechanism;
the quantity of die is a plurality of, and a plurality of dies are connected with the connecting pipe through a plurality of extrusion pipes respectively, the connecting pipe is connected with extrusion mechanism's output, the mould still includes:
the male die is arranged in the female die and comprises a plurality of convex blocks, and an extrusion cavity is formed at a gap between the female die and the male die; and
the power assembly is connected with the male dies and used for driving the male dies to rotate by taking the central shafts of the corresponding female dies as axes respectively.
As a further scheme of the invention: the connecting pipe and the extrusion pipes are made of heat insulation materials.
As a further scheme of the invention: the power assembly includes:
the driving gear is rotatably arranged on the fixed plate and is driven to rotate by the driving source; and
the driven gears are rotatably arranged on the fixed plate, the driven gears are meshed with the driving gear, the driven gears are respectively and rotatably connected with the female dies, the male dies are respectively and fixedly connected with the driven gears through the connecting rods, and the extrusion pipe penetrates through the central shaft of the driven gears.
As a further scheme of the invention: and a sealing piece is arranged at the joint of the driven gear and the female die, and an annular groove in sliding fit with the connecting rod is arranged on the sealing piece.
As a further scheme of the invention: the connecting rod is detachably connected with the driven gear.
As a further scheme of the invention: the driving gear is fixedly connected with the connecting shaft in a coaxial mode, and at least one fan blade is arranged on the connecting shaft.
The invention has the beneficial effects that:
(1) According to the spiral torsion type pipe, the male die is driven to rotate through the power component, so that the supporting part formed by the gaps between the protruding blocks is continuously twisted, the spiral torsion type pipe is formed, the pressure resistance of the pipe is effectively improved, and the problem that the surface of the formed HDPE winding pipe is uneven due to deformation when the pipe is wound and shaped is avoided;
(2) According to the invention, the power assembly is adopted to drive the male dies to rotate, the male dies are respectively matched with the female dies connected with the extrusion mechanism, so that a plurality of spiral torsion type pipes can be produced simultaneously, and the production efficiency is improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic diagram of the assembly of the female die and the male die in the present invention;
FIG. 4 is a schematic diagram of the connection of the female die and the power assembly in the present invention;
fig. 5 is a schematic view of the power assembly of the present invention.
In the figure: 1. an extrusion mechanism; 2. a female die; 3. a connecting pipe; 4. extruding a pipe; 5. a power assembly; 501. a fixing plate; 502. a drive gear; 503. a driven gear; 504. a through groove; 6. a male die; 7. a connecting rod; 8. a seal; 9. an extrusion chamber; 10. a connecting shaft; 11. and (3) a fan blade.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 2-4, the present invention is a deformation extrusion die for a spiral torsion type HDPE wound pipe, comprising:
an extrusion mechanism 1 and a female die 2 connected with the extrusion mechanism;
the quantity of die 2 is a plurality of, and a plurality of dies 2 are connected with connecting pipe 3 through a plurality of extrusion pipes 4 respectively, connecting pipe 3 is connected with the output of extrusion mechanism 1, the mould still includes:
the male die 6 is arranged in the female die 2, the male die 6 comprises a plurality of convex blocks, and an extrusion cavity 9 is formed at a gap between the female die 2 and the male die 6; and
the power assembly 5 is connected with the male dies 6 and used for driving the male dies 6 to rotate by taking the central shafts of the corresponding female dies 2 as axes respectively.
In one case of the present embodiment, the male mold 6 may be 4 bumps as shown in fig. 3, or 3 bumps, where the embodiment is not specifically limited herein, and the gaps between the bumps are the supporting portions inside the produced pipe; the end part of the female die 2, which is far away from the extrusion mechanism 1, is an extrusion end, the extrusion end is connected with winding shaping equipment, and the HDPE winding pipe is obtained by winding shaping of the extruded pipe by the winding shaping equipment.
In practical application, the extrusion mechanism 1 extrudes raw materials into the connecting pipe 3, the raw materials respectively enter the female dies 2 through the extrusion pipes 4, the raw materials are extruded from the extrusion ends along the extrusion cavity 9 to form a pipe, the cross section of the pipe is the same as that of the extrusion cavity 9, and gaps among the projections form a supporting part inside the pipe, so that the pressure resistance of the pipe is improved; in the extrusion process, the power component 5 drives the male die 6 to rotate, so that the supporting part is in a continuously twisted state while being formed, a spiral twisted pipe is formed, and the pipe is wound and shaped to obtain the spiral twisted HDPE winding pipe; the power assembly 5 can drive the male dies 6 to synchronously rotate, the extrusion mechanism 1 is connected with the female dies 2, and the male dies 6 which rotate are matched, so that a plurality of spiral torsion type pipes can be produced simultaneously, and the production efficiency is improved.
As shown in fig. 2, as a preferred embodiment of the present invention, the connection pipe 3 and the extrusion pipes 4 are made of thermal insulation materials; in practical application, the heat insulation material can avoid the problem that hot melt enters and cools when flowing in the connecting pipe 3 and the extrusion pipe 4.
As shown in fig. 2 to 5, as a preferred embodiment of the present invention, the power assembly 5 includes:
a driving gear 502 rotatably mounted on the fixed plate 501 and driven to rotate by a driving source; and
the driven gears 503 are rotatably mounted on the fixing plate 501, a plurality of driven gears 503 are meshed with the driving gear 502, a plurality of driven gears 503 are respectively rotatably connected with a plurality of female dies 2, a plurality of male dies 6 are respectively fixedly connected with a plurality of driven gears 503 through a plurality of connecting rods 7, and the extrusion pipe 4 penetrates through the central shaft of the driven gears 503.
The central shaft of the driven gear 503 is provided with a through groove 504, the extrusion pipe 4 is rotatably connected with the through groove 504, and the extrusion pipe 4 runs through the fixing plate 501.
In one case of the present embodiment, the driving source may be a motor assembly, or may be a gear assembly or a pulley assembly driven by a motor, so long as the driving gear 502 can be rotated, which is not specifically limited herein.
In practical application, the driving source drives the driving gear 502 to rotate, and the driving gear 502 is meshed with the driven gears 503, so that the driving gear 502 rotates to drive the driven gears 503 to rotate synchronously, and the driving gear 502 and the driven gears 503 rotate relative to the fixed plate 501 respectively, so that synchronous rotation of the male dies 6 and the protruding blocks thereon are realized, and in the process, the extrusion mechanism 1 can continuously extrude raw materials to generate a plurality of spiral torsion type pipes simultaneously.
As shown in fig. 2-4, as a preferred embodiment of the present invention, a seal 8 is disposed at the connection between the driven gear 503 and the female die 2, and a ring groove slidingly engaged with the connecting rod 7 is disposed on the seal 8.
In practical application, the sealing element 8 may be a rubber pad or a sponge ring instead, which is not specifically limited herein; when the driven gear 503 drives the male die 6 to rotate, the connecting rod 7 and the sealing member 8 rotate relatively, and the connecting rod 7 and the ring groove slide relatively.
As shown in fig. 4, as a preferred embodiment of the present invention, the connecting rod 7 is detachably connected to the driven gear 503.
In one aspect of the present embodiment, the connecting rod 7 and the driven gear 503 may be screwed or snap-fit, so long as the detachable connection between the connecting rod 7 and the driven gear 503 is achieved, which is not limited herein.
As shown in fig. 2, as a preferred embodiment of the present invention, the driving gear 502 is fixedly connected to the connecting shaft 10 coaxially, and at least one fan blade 11 is disposed on the connecting shaft 10.
In practical application, the driving gear 502 drives the connecting shaft 10 to rotate when rotating, so that the fan blades 11 on the connecting shaft rotate, the pipe in the extrusion cavity 9 can be cooled, the pipe is conveniently taken out, and the production efficiency is improved.
The working principle of the invention is as follows: according to the spiral torsion type HDPE winding pipe deformation extrusion die provided by the embodiment of the invention, the male die 6 is driven to rotate by the power component 5, so that the supporting part formed by the gap between the convex blocks is continuously twisted to form the spiral torsion type pipe, the pressure resistance of the pipe is effectively improved, and the problem of uneven surface of the formed HDPE winding pipe caused by deformation when the pipe is wound and shaped is avoided.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (4)
1. A helically twisted HDPE wound pipe deforming extrusion die comprising:
an extrusion mechanism (1) and a female die (2) connected with the extrusion mechanism;
the die is characterized in that the number of the female dies (2) is multiple, the female dies (2) are respectively connected with the connecting pipe (3) through a plurality of extrusion pipes (4), the connecting pipe (3) is connected with the output end of the extrusion mechanism (1), and the die further comprises:
the male die (6) is arranged in the female die (2), the male die (6) comprises a plurality of protruding blocks, and an extrusion cavity (9) is formed at a gap between the female die (2) and the male die (6); and
the power assembly (5) is connected with the male dies (6) and is used for driving the male dies (6) to rotate by taking the central shaft of the corresponding female die (2) as an axis;
the connecting pipes (3) and the extrusion pipes (4) are made of heat insulation materials;
the power assembly (5) comprises:
a driving gear (502) rotatably mounted on the fixed plate (501) and driven to rotate by a driving source; and
driven gear (503), rotate and install on fixed plate (501), a plurality of driven gear (503) all meshes with driving gear (502), and a plurality of driven gear (503) rotate with a plurality of die (2) respectively and are connected, and a plurality of terrace dies (6) are respectively through a plurality of connecting rods (7) and a plurality of driven gear (503) fixed connection, extrusion pipe (4) run through the center pin of driven gear (503).
2. The spiral torsion type HDPE winding pipe deformation extrusion die according to claim 1, wherein a sealing piece (8) is arranged at the joint of the driven gear (503) and the female die (2), and a ring groove in sliding fit with the connecting rod (7) is arranged on the sealing piece (8).
3. A helically twisted HDPE wound pipe deforming extrusion die as claimed in claim 2, wherein the connecting rod (7) is detachably connected to the driven gear (503).
4. The deformation extrusion die for the spiral torsion type HDPE winding pipe according to claim 1, wherein the driving gear (502) is fixedly connected with the connecting shaft (10) coaxially, and at least one fan blade (11) is arranged on the connecting shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111574662.6A CN114274489B (en) | 2021-12-21 | 2021-12-21 | Spiral torsion type HDPE winding pipe deformation extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111574662.6A CN114274489B (en) | 2021-12-21 | 2021-12-21 | Spiral torsion type HDPE winding pipe deformation extrusion die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114274489A CN114274489A (en) | 2022-04-05 |
| CN114274489B true CN114274489B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111574662.6A Active CN114274489B (en) | 2021-12-21 | 2021-12-21 | Spiral torsion type HDPE winding pipe deformation extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114274489B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623293B (en) * | 2022-04-07 | 2023-11-03 | 安庆市悦发管业有限公司 | High-strength HDPE winding pipe with spiral torsion structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100471363B1 (en) * | 2004-11-18 | 2005-03-14 | 남효근 | Manufacturing apparatus for Synthetic resin multilayer pipe and multilayer pipe thereby |
| JP2019025212A (en) * | 2017-08-02 | 2019-02-21 | 信越ポリマー株式会社 | Drain tube, production method and tube production device |
| CN111002532A (en) * | 2018-10-08 | 2020-04-14 | 浙江功夫宝贝婴童用品有限公司 | Automatic demoulding injection mold |
| CN212528545U (en) * | 2020-06-03 | 2021-02-12 | 江西迈肯科技有限公司 | Die device for machining pipe fitting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014106072A1 (en) * | 2012-12-28 | 2014-07-03 | Gyre Innovations Lp | Extruded multiwall tubular structure |
-
2021
- 2021-12-21 CN CN202111574662.6A patent/CN114274489B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100471363B1 (en) * | 2004-11-18 | 2005-03-14 | 남효근 | Manufacturing apparatus for Synthetic resin multilayer pipe and multilayer pipe thereby |
| JP2019025212A (en) * | 2017-08-02 | 2019-02-21 | 信越ポリマー株式会社 | Drain tube, production method and tube production device |
| CN111002532A (en) * | 2018-10-08 | 2020-04-14 | 浙江功夫宝贝婴童用品有限公司 | Automatic demoulding injection mold |
| CN212528545U (en) * | 2020-06-03 | 2021-02-12 | 江西迈肯科技有限公司 | Die device for machining pipe fitting |
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| Publication number | Publication date |
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| CN114274489A (en) | 2022-04-05 |
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