CN220219602U - Extruder head of HDPE double-wall corrugated pipe - Google Patents
Extruder head of HDPE double-wall corrugated pipe Download PDFInfo
- Publication number
- CN220219602U CN220219602U CN202321731985.6U CN202321731985U CN220219602U CN 220219602 U CN220219602 U CN 220219602U CN 202321731985 U CN202321731985 U CN 202321731985U CN 220219602 U CN220219602 U CN 220219602U
- Authority
- CN
- China
- Prior art keywords
- layer material
- flow channel
- outer layer
- extruder head
- runner
- 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.)
- Active
Links
- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 18
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 101
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 238000001125 extrusion Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning 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
- 239000011344 liquid material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses an extruder head of an HDPE double-wall corrugated pipe, and belongs to the technical field of double-wall corrugated pipes. The utility model comprises a main machine shell, an inner layer spiral sleeve, an outer layer spiral sleeve, a conical material guiding component and an extrusion pipe fitting, wherein the outer layer spiral sleeve is sleeved in the main machine shell, the inner layer spiral sleeve is sleeved in the outer layer spiral sleeve, and the conical material guiding component comprises a conical shell, a conical inner cylinder and a blowing cylinder. According to the utility model, the outer layer material flow channel and the inner layer material flow channel are both wave-shaped flow channels, and wave structures with different radians are formed on the inner walls of the two sides of the outer layer material flow channel and the inner layer material flow channel, so that the outer layer material flow channel and the inner layer material flow channel are separated into arc-shaped flow channels by the bulges, the supporting force of the second groove can be improved by the bulges, and the machine head is prevented from being broken.
Description
Technical Field
The utility model relates to the technical field of double-wall corrugated pipes, in particular to an extruder head of an HDPE double-wall corrugated pipe.
Background
The HDPE double-wall corrugated pipe has very wide application in buried drainage, pollution discharge, cable pipeline laying and other aspects, and has the advantages of strong bearing capacity, low cost, light weight, corrosion resistance and the like.
The Chinese patent with publication number of CN218020015U discloses a double-wall corrugated pipe extruder head, which comprises an outer sleeve, wherein a rear cover is arranged at the rear end of the outer sleeve, an outer spiral sleeve and an inner spiral sleeve are sequentially sleeved in the outer sleeve, an outer wall runner mold is arranged at the front end of the outer sleeve, an outer wall runner sleeve, an inner wall runner mold and an inner cone are sequentially arranged in one end, close to the outer sleeve, of the outer wall runner mold, so that the extruder head can be used for producing flat double-wall corrugated pipes, and the runner walls are not easy to deform when the flat double-wall corrugated pipes are produced, so that the problem that the extruder head is easy to discard is solved.
Although the problem that the runner wall is difficult to deform and the machine head is easy to discard is solved in the patent, after the hole-shaped runners enter the molten HDPE material, each hole-shaped runner is separated independently, heat preservation is not facilitated, the molten HDPE material is easy to cool in the hole-shaped runners, and the cleaning is difficult after the machine is stopped.
Disclosure of Invention
The utility model aims to overcome the defect that a hole-shaped flow passage is unfavorable for heat preservation in the prior art, and provides an extruder head of an HDPE double-wall corrugated pipe, so as to solve the defect.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the utility model provides an extrusion head of HDPE double-walled bellows, includes host computer casing, inlayer spiral shell, outer spiral shell, toper guide subassembly and extrudes the pipe fitting, the inside of host computer casing has set up and has cup jointed outer spiral shell, and the inlayer spiral shell has been cup jointed to the inside of outer spiral shell, toper guide subassembly includes conical shell, toper inner tube and air blowing tube, and conical shell, toper inner tube and air blowing tube cup joint in proper order, and the one end of toper guide subassembly is connected with extrudes the pipe fitting, it includes first body, second body, third body and exports the piece to extrude the pipe fitting, and first body, second body, third body's one end is connected with the export jointly, forms the inlayer material runner between first body and the second body, and outer material runner and inlayer material runner are the wave runner all.
Preferably, one side of the outer layer material runner and one side of the inner layer material runner are provided with continuous first grooves, the other side of the outer layer material runner and the other side of the inner layer material runner are provided with second grooves and protrusions which are arranged in a staggered mode, the protrusions are arranged in the first grooves, and the inner walls of the first grooves are not in contact with the protrusions.
Preferably, a heating resistance wire is arranged in the bulge.
Preferably, the protrusion of the outer layer material flow channel is arranged on the first pipe body, the protrusion of the inner layer material flow channel is arranged on the third pipe body, and the protruding end parts are arc-shaped structures.
Preferably, the inner wall of the second pipe body is provided with a gas flow passage, and support columns which are symmetrically distributed are arranged in the gas flow passage.
Preferably, the inside of the support column is a hollow structure, and the wires of the heating resistance wires pass through the support column.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
according to the utility model, the outer material flow channel and the inner material flow channel are both wavy flow channels, and wavy structures with different radians are formed on the inner walls of the two sides of the outer material flow channel and the inner material flow channel, so that the outer material flow channel and the inner material flow channel are both separated into arc-shaped flow channels by the bulges, the supporting force of the second groove can be improved by the bulges, the machine head is prevented from being broken, meanwhile, the heating resistance wire is wrapped by the bulges, and when the outer material flow channel and the inner material flow channel are filled with materials, the bulges are surrounded by the materials, so that the contact area of the materials and heat can be enlarged, and the heat preservation effect is further improved.
Drawings
FIG. 1 is a cross-sectional view of an extruder head of an HDPE double-wall corrugated pipe of the present utility model;
FIG. 2 is an enlarged view of the utility model at A;
FIG. 3 is a side view of an extruded tube of the present utility model;
fig. 4 is an enlarged view of the utility model at B.
In the figure: 1. a main body case; 2. an inner layer spiral sleeve; 3. an outer layer spiral sleeve; 4. a conical material guiding component; 41. a conical housing; 42. a conical inner cylinder; 43. a blowing cylinder; 5. extruding the pipe fitting; 51. a first tube body; 52. a second tube body; 521. a gas flow passage; 522. a support column; 53. a third tube body; 54. a lead-out member; 6. an outer layer material runner; 61. a first groove; 62. a second groove; 63. a protrusion; 631. heating the resistance wire; 7. an inner material runner.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.
Referring to fig. 1-4, the extruder head of the HDPE double-wall corrugated pipe comprises a main machine shell 1, an inner spiral sleeve 2, an outer spiral sleeve 3, a conical material guiding component 4 and an extrusion pipe fitting 5, wherein the outer spiral sleeve 3 is sleeved in the main machine shell 1, the inner spiral sleeve 2 is sleeved in the outer spiral sleeve 3, and glue inlets are formed in the outer spiral sleeve 3 and the inner spiral sleeve 2.
The conical material guiding component 4 comprises a conical shell 41, a conical inner barrel 42 and a blowing barrel 43, the conical shell 41, the conical inner barrel 42 and the blowing barrel 43 are sequentially sleeved, one end of the conical material guiding component 4 is connected with an extrusion pipe fitting 5, the end of the conical shell 41 is in sealing connection with the main machine shell 1, the end of the blowing barrel 43 is connected with the outer layer spiral sleeve 3, an outer layer rubber flow channel is formed between the main machine shell 1 and the outer layer spiral sleeve 3 and between the blowing barrel 43 and the conical shell 41, the end of the conical inner barrel 42 is connected with the inner layer spiral sleeve 2, and an inner layer rubber flow channel is formed between the blowing outer layer spiral sleeve 3 and the inner layer spiral sleeve 2 and between the blowing barrel 43 and the conical inner barrel 42.
The extrusion pipe fitting 5 comprises a first pipe body 51, a second pipe body 52, a third pipe body 53 and a guiding-out piece 54, wherein the first pipe body 51, the second pipe body 52 and the third pipe body 53 are sequentially sleeved, one ends of the first pipe body 51, the second pipe body 52 and the third pipe body 53 are jointly connected with the guiding-out piece 54, the guiding-out piece 54 is provided with a guiding-out opening matched with the outer layer material flow channel 6 and the inner layer material flow channel 7, and the outer layer material guiding-out opening and the inner layer material guiding-out opening are separated by a certain distance to prevent the inner layer material from being adhered.
An outer layer material flow channel 6 is formed between the first pipe body 51 and the second pipe body 52, an inner layer material flow channel 7 is formed between the second pipe body 52 and the third pipe body 53, the outer layer material flow channel 6 is communicated with the outer layer glue flow channel, the inner layer material flow channel 7 is communicated with the inner layer glue flow channel, the outer layer material flow channel 6 and the inner layer material flow channel 7 are all wave-shaped flow channels, a continuous first groove 61 is formed in one side of the outer layer material flow channel 6 and one side of the inner layer material flow channel 7, a second groove 62 and a bulge 63 are formed in the other side of the outer layer material flow channel 6 and the other side of the inner layer material flow channel 7 in a staggered mode, the bulge 63 is arranged in the first groove 61, and the inner wall of the first groove 61 is not in contact with the bulge 63.
Specifically, first recess 61 and second recess 62 intercommunication form the wave structure of different radians on the both sides inner wall of outer material runner 6 and inlayer material runner 7, enter into the material in outer material runner 6 and the inlayer material runner 7 and can follow the direction removal of second recess 62, the material can intercommunication in the different second recess 62 simultaneously, convex protruding 63 structure plays the separation effect, all separate into curved runner with outer material runner 6 and inlayer material runner 7, protruding 63 can improve the holding power of second recess 62, avoid second recess 62 deformation to break, when one of them curved runner extrusion force is too big, can divide pressure through first recess 61.
The heating resistance wire 631 is arranged in the bulge 63, the heating resistance wire 631 plays a role in heating materials in the outer material runner 6 and the inner material runner 7, the materials in the outer material runner 6 and the inner material runner 7 are prevented from being cooled, and meanwhile, when the materials are filled in the outer material runner 6 and the inner material runner 7, the bulge 63 is surrounded by the materials, so that the contact area of the materials and heat can be enlarged, and the heat preservation effect is further improved.
The protruding portion 63 of the outer layer material runner 6 is installed on the first pipe body 51, the protruding portion 63 of the inner layer material runner 7 is installed on the third pipe body 53, the protruding portion 63 end portions are arc-shaped structures, the protruding portion 63 is separated through the second pipe body 52, and the protruding portion 63 is arranged in opposite directions, so that heat loss can be reduced.
The inner wall of the second pipe body 52 is provided with the gas flow channel 521, the gas flow channel 521 is internally provided with symmetrically distributed support columns 522, and the second pipe body 52 is an integral part by arranging the support columns 522, so that the installation and the fixation are convenient.
The inside of support column 522 is hollow structure, and the wire of heating resistance wire 631 passes through support column 522, and the heating resistance wire 631 of connecting at inlayer material runner 7 carries out to wire connection through support column 522, avoids going on the line from the inside of third body 53.
The working process comprises the following steps: pressurized liquid material enters into the outer layer rubber runner and the inner layer rubber runner formed by the outer layer spiral sleeve 3 and the inner layer spiral sleeve 2, corresponding flows to the outer layer material runner 6 and the inner layer material runner 7, the convex bulge 63 structure plays a role in separation, the outer layer material runner 6 and the inner layer material runner 7 are separated into arc runners, the bulge 63 can improve the supporting force of the second groove 62, deformation and rupture of the second groove 62 are avoided, when one arc runner extrusion force is overlarge, partial pressure can be carried out through the first groove 61, the heating resistance wire 631 is arranged in the bulge 63, the heating resistance wire 631 heats materials in the outer layer material runner 6 and the inner layer material runner 7, the fluidity of the materials is kept, and finally the materials are led out through the leading-out piece 54 for forming.
To sum up: according to the extruder head of the HDPE double-wall corrugated pipe, the outer layer material flow channel 6 and the inner layer material flow channel 7 are both wave-shaped flow channels, wave structures with different radians are formed on the inner walls of the two sides of the outer layer material flow channel 6 and the inner layer material flow channel 7, so that the outer layer material flow channel 6 and the inner layer material flow channel 7 are separated into arc-shaped flow channels by the protrusions 63, the supporting force of the second grooves 62 can be improved by the protrusions 63, the extruder head is prevented from being broken, meanwhile, the heating resistance wire 631 is wrapped by the protrusions 63, and when the outer layer material flow channel 6 and the inner layer material flow channel 7 are filled with materials, the protrusions 63 are surrounded by the materials, so that the contact area of the materials and heat can be enlarged, and the heat preservation effect is further improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an extruder head of HDPE double-walled bellows, includes host computer casing (1), inlayer spiral shell (2), outer spiral shell (3), toper guide subassembly (4) and extrudes pipe fitting (5), its characterized in that: the inside of host computer casing (1) has set up cup jointed outer spiral cover (3), and the inside of outer spiral cover (3) has cup jointed inlayer spiral cover (2), toper guide subassembly (4) are including toper shell (41), toper inner tube (42) and blowing section of thick bamboo (43), and toper shell (41), toper inner tube (42) and blowing section of thick bamboo (43) cup joint in proper order, and the one end of toper guide subassembly (4) is connected with extrudes pipe fitting (5), extrude pipe fitting (5) including first body (51), second body (52), third body (53) and export piece (54), and first body (51), second body (52), third body (53) cup joint in proper order, and the one end of first body (51), second body (52), third body (53) is connected with jointly and exports piece (54), forms inlayer material runner (6) between first body (51) and second body (52), forms inlayer material runner (7) and equal runner (7).
2. Extruder head for HDPE double-wall bellows according to claim 1, characterized in that: one side of the outer layer material runner (6) and one side of the inner layer material runner (7) are provided with continuous first grooves (61), the other side of the outer layer material runner (6) and the other side of the inner layer material runner (7) are provided with second grooves (62) and protrusions (63) which are arranged in a staggered mode, the protrusions (63) are arranged in the first grooves (61), and the inner walls of the first grooves (61) are not in contact with the protrusions (63).
3. Extruder head for HDPE double-wall bellows according to claim 2, characterized in that: a heating resistance wire (631) is arranged in the bulge (63).
4. An extruder head for HDPE double-wall bellows according to claim 3, characterized in that: the bulge (63) of the outer layer material runner (6) is arranged on the first pipe body (51), the bulge (63) of the inner layer material runner (7) is arranged on the third pipe body (53), and the end parts of the bulge (63) are arc-shaped structures.
5. The extruder head of HDPE double-wall bellows according to claim 4, wherein: the inner wall of the second pipe body (52) is provided with a gas flow passage (521), and support columns (522) which are symmetrically distributed are arranged in the gas flow passage (521).
6. The extruder head of HDPE double-wall bellows according to claim 5, wherein: the inside of the support column (522) is of a hollow structure, and the conducting wire of the heating resistance wire (631) passes through the support column (522).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321731985.6U CN220219602U (en) | 2023-07-04 | 2023-07-04 | Extruder head of HDPE double-wall corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321731985.6U CN220219602U (en) | 2023-07-04 | 2023-07-04 | Extruder head of HDPE double-wall corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220219602U true CN220219602U (en) | 2023-12-22 |
Family
ID=89184676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321731985.6U Active CN220219602U (en) | 2023-07-04 | 2023-07-04 | Extruder head of HDPE double-wall corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220219602U (en) |
-
2023
- 2023-07-04 CN CN202321731985.6U patent/CN220219602U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3677676A (en) | Apparatus for forming plastic tubing having a smooth inner wall and a corrugated outer wall | |
| CA2223520C (en) | Method and apparatus of forming profiled pipe | |
| SU1598860A3 (en) | Apparatus for extruding plastic pipes | |
| CN1023691C (en) | Method for forming tubing utilizing suction and pneumatic pressure at surface of cooling plug | |
| CN102384318A (en) | Wall tube with reinforced polyethylene-wound structure as well as manufacturing device and manufacturing method thereof | |
| CN102767651A (en) | Three-wall corrugated pipe and manufacturing equipment thereof | |
| KR100387196B1 (en) | Apparatus for Producing Multiple Channel Duct Assembly and Method thereof | |
| CN220219602U (en) | Extruder head of HDPE double-wall corrugated pipe | |
| EP0381938B1 (en) | Cooling plugs in thermoplastic pipe forming apparatus | |
| CN110228185A (en) | A kind of band and reinforcing rib winding pipe is produced with the band | |
| CN2855719Y (en) | Equipment for producing composite pipe by combining butt welding metal pipe with polymers | |
| CN111396649B (en) | Arc preimpregnation band plate reinforcing winding bellows | |
| CN103322340B (en) | Double-layer coextrusion polyethylene spirally enwound structure-wall tubular product and production method thereof and manufacturing mechanism | |
| CN112622247A (en) | Plastic winding high-rib structure wall pipe and manufacturing method thereof | |
| CN210415460U (en) | Double-layer co-extrusion machine head die | |
| CN102563231B (en) | Double reinforced plastic composite water pipe, device and method for manufacturing water pipe, and special-shaped strip for manufacturing water pipe | |
| CN101029698A (en) | Plastic composite pipe with spiral metal tape, its production and use | |
| CN1962245A (en) | Production method and device for composite tube of butt welding metal tube and polymer | |
| CN202507508U (en) | Three-layer screw-type pipe co-extrusion handpiece | |
| CN214324167U (en) | Plastic winding high-rib structure wall pipe | |
| CN1342549A (en) | Technology for making seamless composite Al-plastic pipe | |
| CN111503386B (en) | Production method of HDPE rectangular high-strength winding pipe | |
| CN1208143A (en) | Composite aluminum-plastic pipe with aluminum layer to be butt welded and its production | |
| CN219263415U (en) | Double-wall corrugated pipe and extruder head | |
| CN218020015U (en) | Double-wall corrugated pipe extruder head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |