CN110948822A - HDPE pipe mould - Google Patents
HDPE pipe mould Download PDFInfo
- Publication number
- CN110948822A CN110948822A CN201911120272.4A CN201911120272A CN110948822A CN 110948822 A CN110948822 A CN 110948822A CN 201911120272 A CN201911120272 A CN 201911120272A CN 110948822 A CN110948822 A CN 110948822A
- Authority
- CN
- China
- Prior art keywords
- shell
- prepressing
- feeding section
- mold
- spiral body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 20
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 20
- 239000004698 Polyethylene Substances 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 abstract description 16
- 239000004033 plastic Substances 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 241000589973 Spirochaeta Species 0.000 description 6
- 238000005056 compaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/065—HDPE, i.e. high density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of pipe mould structures, in particular to an HDPE pipe mould which comprises a shell, a feeding section and a spiral body, wherein the feeding section is provided with a main flow passage, the spiral body is provided with a spiral flow passage, the spiral body is arranged at the upper end of the feeding section, the feeding section is arranged at the lower end of the shell, the shell is coated on the periphery of the spiral body, the lower end of the spiral body is provided with a shunting cone body, the PE pipe mould further comprises a prepressing part, the prepressing part is positioned above the spiral body, and a prepressing inclined plane matched with the prepressing part is arranged on the inner wall ring of the shell. The plastic material distributor is novel in structure and ingenious in design, and due to the arrangement of the diversion cone, a diversion effect is generated when the main flow channel of the feeding section is fed, so that plastic flows into the main flow channel from the diversion cone, the plastic is shunted at 360 degrees without dead angles, and the material flowing uniformity is good; better plasticizing effect is generated, and the density of the pipe is improved.
Description
Technical Field
The invention relates to the technical field of pipe mould structures, in particular to an HDPE pipe mould.
Background
PE extrudes tubular product usage extremely extensively, for example the blow off pipe in city, the water supply and drainage pipe of mine, the compressedair line, drainage gas pipe and whitewashing pipe, the protection tube of the power cable communication of mine etc. all will use PE to extrude tubular product, and the mould of current PE tubular product does not have the reposition of redundant personnel, and the pan feeding homogeneity is poor, has the dead angle, and the plastic effect is relatively poor, and the mould of traditional PE tubular product lacks the precompression structure in addition for tubular product plastify degree is low.
Disclosure of Invention
The invention provides an HDPE pipe mould aiming at the problems in the prior art, which has a novel structure and an ingenious design, and the arrangement of the diversion cone body is utilized, so that a diversion effect is generated when a main runner of a feeding section is fed, plastics flow into the main runner through the diversion cone body, the diversion of the plastics without dead angles of 360 degrees is realized, and the material flow uniformity is good; better plasticizing effect is generated, and the density of the pipe is improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides an HDPE pipe mould which comprises a shell, a feeding section and a spiral body, wherein the feeding section is provided with a main runner, the spiral body is provided with a spiral runner, the spiral body is arranged at the upper end of the feeding section, the feeding section is arranged at the lower end of the shell, the shell covers the periphery of the spiral body, the lower end of the spiral body is provided with a flow dividing cone body, the PE pipe mould further comprises a prepressing part, the prepressing part is positioned above the spiral body, and a prepressing inclined plane matched with the prepressing part is arranged on the inner wall ring of the shell.
Wherein, the shunting centrum is conical.
The outer wall of the prepressing part is annularly provided with a prepressing convex body, and the prepressing convex body is used for being in sliding butt joint with the prepressing inclined plane.
The upper end of the shell is provided with a mouth mold, a core mold is arranged in an inner cavity of the mouth mold, and the core mold is connected with the prepressing part.
And the upper end of the mouth mold is fixedly provided with an extrusion intensifying ring.
Wherein, the feeding end is fixedly connected with the shell through a screw.
Wherein, the shell is fixedly connected with the mouth mold through screws.
The invention has the beneficial effects that:
the plastic material distributor is novel in structure and ingenious in design, and due to the arrangement of the diversion cone, a diversion effect is generated when the main flow channel of the feeding section is fed, so that plastic flows into the main flow channel from the diversion cone, the plastic is shunted at 360 degrees without dead angles, and the material flowing uniformity is good; further, increase the splenium in advance, through the cooperation of the pre-compaction inclined plane of shell, realize the compression to plastics for plastics produce better plastify effect than traditional PE tubular product mould, improve the density of tubular product, and then reach the pressure grade of tubular product more easily, the structure is reliable.
Drawings
Fig. 1 is a cross-sectional view of an HDPE pipe mold of the invention.
The reference numerals in fig. 1 include:
1-housing 2-feeding section 3-spiral body
4-main runner 5-spiral runner 6-reposition of redundant personnel centrum
7-prepressing part 8-prepressing inclined plane 9-prepressing convex body
10-a die 11-a core die 12-an extrusion intensifying ring.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.
The utility model provides a HDPE pipe mould, as shown in fig. 1, includes shell 1, pan feeding section 2 and spirochaeta 3, feeding section 2 is provided with sprue 4, spirochaeta 3 is provided with spiral runner 5, spirochaeta 3 install in the upper end of feeding section 2, feeding section 2 install in the lower extreme of shell 1, shell 1 cladding in the periphery of spirochaeta 3, the lower extreme of spirochaeta 3 is provided with reposition of redundant personnel centrum 6, PE pipe mould still includes splenium 7 in advance, splenium 7 is located the top of spirochaeta 3 in advance, the inner wall ring of shell 1 has the pre-compaction inclined plane 8 that is used for with pre-compaction portion 7 complex. Specifically, the plastic material distributor is novel in structure and ingenious in design, the distribution effect is generated when the material is fed into the main flow channel 4 of the feeding section 2 by the aid of the distribution cone 6, the distribution cone 6 is conical, plastic flows into the main flow channel 4 and passes through the distribution cone 6, 360-degree dead-angle-free distribution of the plastic is achieved, and material flowing uniformity is good; further, increase prepressing portion 7, through the cooperation of the prepressing inclined plane 8 of shell 1, realize the compression to plastics for plastics produce better plastify effect than traditional PE tubular product mould, improve the density of tubular product, and then reach the pressure grade of tubular product more easily, the structure is reliable.
In the HDPE pipe mold of this embodiment, the outer wall of the prepressing portion 7 is annularly provided with the prepressing protrusion 9, and the prepressing protrusion 9 is used for sliding and abutting against the prepressing inclined surface 8.
In the HDPE pipe mold of this embodiment, the upper end of the housing 1 is provided with the mouth mold 10, the inner cavity of the mouth mold 10 is provided with the core mold 11, and the core mold 11 is connected with the prepressing portion 7.
In the HDPE pipe mold of this embodiment, the upper end of the neck mold 10 is fixedly provided with an extrusion intensifying ring 12. Preferably, the extrusion intensifying ring 12 is made of polytetrafluoroethylene material, and the polytetrafluoroethylene has high temperature resistance, corrosion resistance, non-adhesiveness, excellent dielectricity and extremely small friction coefficient, so that after the PE material pipe passes through the die, the surface of the pipe is smooth, and the brightness of the PE pipe is greatly improved.
In the HDPE pipe mold of this embodiment, the feeding end is fixedly connected to the housing 1 through a screw. Specifically, the above arrangement facilitates the disassembly and assembly between the housing 1 and the feeding section 2, and facilitates the replacement and maintenance.
In the HDPE pipe mold of this embodiment, the outer shell 1 is fixedly connected to the die 10 through screws. In particular, the above arrangement facilitates the detachment and the installation between the shell 1 and the mouthpiece 10, facilitating the replacement and the maintenance.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. An HDPE pipe mould is characterized in that: the PE pipe mold comprises a shell, a feeding section and a spiral body, wherein the feeding section is provided with a main flow channel, the spiral body is provided with a spiral flow channel, the spiral body is arranged at the upper end of the feeding section, the feeding section is arranged at the lower end of the shell, the shell is coated on the periphery of the spiral body, a shunting cone body is arranged at the lower end of the spiral body, the PE pipe mold further comprises a prepressing part, the prepressing part is located above the spiral body, and a prepressing inclined plane matched with the prepressing part is arranged on the inner wall ring of the shell.
2. The HDPE pipe mold of claim 1, wherein: the shunting cone body is conical.
3. The HDPE pipe mold of claim 1, wherein: the outer wall of the prepressing part is annularly provided with a prepressing convex body, and the prepressing convex body is used for being in sliding butt joint with the prepressing inclined plane.
4. The HDPE pipe mold of claim 1, wherein: the upper end of the shell is provided with a mouth mold, a core mold is arranged in an inner cavity of the mouth mold, and the core mold is connected with the prepressing part.
5. The HDPE pipe mold of claim 4, wherein: and the upper end of the mouth mold is fixedly provided with an extrusion intensifying ring.
6. The HDPE pipe mold of claim 1, wherein: the feeding end is fixedly connected with the shell through a screw.
7. The HDPE pipe mold of claim 4, wherein: the shell is fixedly connected with the mouth mold through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911120272.4A CN110948822A (en) | 2019-11-15 | 2019-11-15 | HDPE pipe mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911120272.4A CN110948822A (en) | 2019-11-15 | 2019-11-15 | HDPE pipe mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110948822A true CN110948822A (en) | 2020-04-03 |
Family
ID=69977452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911120272.4A Pending CN110948822A (en) | 2019-11-15 | 2019-11-15 | HDPE pipe mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110948822A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514986A (en) * | 2016-08-22 | 2017-03-22 | 广东联塑科技实业有限公司 | Double-layer combined PP-R pipe die |
| CN107053634A (en) * | 2016-12-31 | 2017-08-18 | 山东国塑科技实业有限公司 | Tube extrusion rotation sieve die head |
| CN207190229U (en) * | 2017-08-15 | 2018-04-06 | 南京联塑科技实业有限公司 | A kind of new PE hollow spiral tubes mould |
| CN207808426U (en) * | 2017-12-25 | 2018-09-04 | 华生管道科技有限公司 | A kind of two stages of compression plastic pipe extruder head |
| CN211542301U (en) * | 2019-11-15 | 2020-09-22 | 广东威立瑞科技有限公司 | HDPE pipe mould |
-
2019
- 2019-11-15 CN CN201911120272.4A patent/CN110948822A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514986A (en) * | 2016-08-22 | 2017-03-22 | 广东联塑科技实业有限公司 | Double-layer combined PP-R pipe die |
| CN107053634A (en) * | 2016-12-31 | 2017-08-18 | 山东国塑科技实业有限公司 | Tube extrusion rotation sieve die head |
| CN207190229U (en) * | 2017-08-15 | 2018-04-06 | 南京联塑科技实业有限公司 | A kind of new PE hollow spiral tubes mould |
| CN207808426U (en) * | 2017-12-25 | 2018-09-04 | 华生管道科技有限公司 | A kind of two stages of compression plastic pipe extruder head |
| CN211542301U (en) * | 2019-11-15 | 2020-09-22 | 广东威立瑞科技有限公司 | HDPE pipe mould |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |