CN106448920A - Material extrusion threaded rod for conveying high temperature PA material of three layers of insulating wires - Google Patents
Material extrusion threaded rod for conveying high temperature PA material of three layers of insulating wires Download PDFInfo
- Publication number
- CN106448920A CN106448920A CN201610775010.1A CN201610775010A CN106448920A CN 106448920 A CN106448920 A CN 106448920A CN 201610775010 A CN201610775010 A CN 201610775010A CN 106448920 A CN106448920 A CN 106448920A
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- China
- Prior art keywords
- screw
- conveying
- high temperature
- material extrusion
- layer insulation
- 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
- 239000000463 material Substances 0.000 title claims abstract description 126
- 238000001125 extrusion Methods 0.000 title claims abstract description 53
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 238000009413 insulation Methods 0.000 claims description 28
- 230000007423 decrease Effects 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000289 melt material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0003—Apparatus or processes specially adapted for manufacturing conductors or cables for feeding conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/141—Insulating conductors or cables by extrusion of two or more insulating layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/147—Feeding of the insulating material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Disclosed is a material extrusion threaded rod for conveying a high temperature PA material of three layers of insulating wires. The material extrusion threaded rod comprises a threaded rod body, wherein the threaded rod body comprises a fixed part, a material extrusion part and a connecting part, wherein screw threads are spirally distributed on the outer surface of the material extrusion part; the material extrusion part comprises a compression section, a transitional section and a material discharging section; the diameter of the extrusion part is gradually enlarged from the compression section to the material discharging section; and the volumes of screw thread grooves formed between the screw threads on the outer surface of the extrusion part are gradually reduced. The material extrusion threaded rod is high in practicability, low in energy consumption, capable of effectively melting a PP material and uniformly conveying the PP material to the tail end of the extrusion part, and enabling the PP material to be sent to a die uniformly with equivalent quantity and pressure, so that the pressure of the PP material attached to the surfaces of the three layers of insulting wires is improved; the fixation between the PP material and the three layers of insulting wires is firmer, and the material extrusion threaded rod is more stable in performance; and in addition, the fixed part is stressed uniformly, so that the service life of the threaded rod body is prolonged, and the quality of the produced three layers of insulating wires is improved.
Description
Technical field
The invention belongs to the production and processing technical field of three layer insulation wire is and in particular to one kind is used for conveying three layer insulation wire
High temperature PA material stock screw.
Background technology
In the production process of three layer insulation wire, one layer of PP layer is wrapped up on the surface of three layer insulation wire.At present, three layer insulation wire
Manufacturing enterprise is used granular PP material as raw material simultaneously, then imports PP material in spiral feeder, passes through
Spiral feeder, by PP melt material, then PP material is delivered in mould, is wrapped in the surface of covered wire by mould.
Screw rod is usually used in existing spiral feeder and carries out feeding, and the outside of screw rod wrap up one layer of heater so that
PP material passes through to be fused into liquid forward movement while screw rod transmission.Enterprise finds aborning, and existing screw rod is defeated
It is difficult to control PP material to enter the inlet in mould and pressure so that being wrapped in the PP of covered wire during sending PP material
Material is uneven, the quality of the three layer insulation wire after impact production.Therefore, how to control the PP being wrapped in three layer insulation wire surface
The quality of material layer, becomes enterprise's problem demanding prompt solution.
Content of the invention
In view of this, the technical problem to be solved in the present invention be a kind of practical, conveying PP material settling out for defeated
Send the stock screw of the high temperature PA material of three layer insulation wire.
In order to solve above-mentioned technical problem, the present invention adopts following scheme to realize：A kind of for conveying three layer insulation wire
The stock screw of high temperature PA material, including screw body, described screw body includes the fixation being connected with external drive equipment
Portion, outer surface set threaded material extrusion portion and are arranged on the connecting portion between fixed part and material extrusion portion；Described thread helix
The outer surface in the material extrusion portion being distributed in；The mistake that the compression section that described material extrusion portion includes being connected with connecting portion is connected with compression section
Cross section and be arranged on the end of screw body and the discharge zone being connected with changeover portion；The diameter of described press section is by compression section
It is gradually increased to discharge zone, and is arranged on the volume of the thread groove between the screw thread of press section outer surface and gradually decrease.
Wherein, the end in described material extrusion portion is taper, and preferably extruding PP material moves to mould.
Wherein, the outer surface in material extrusion portion for the described screw thread forms the extruding material extrusion face to the movement of material extrusion face end for the PP material
Guide face with guiding PP material movement；The opening in described material extrusion face towards the end direction in material extrusion portion, described guide face
Opening is towards the direction of connecting portion.
Wherein, the spiral groove depth between the described screw thread being arranged on material extrusion portion outer surface is from compression section to discharge zone progressively
Reducing, decreasing the discharge of PP material, the convenient discharge controlling PP material, thus improve the product of three layer insulation wire
Matter.
Wherein, between the screw thread of described compression section equally, even depth distribution；Between the screw thread of described exhaust end
Equally, even depth distribution.
Wherein, the helical angle in the guide face of described discharge zone is 45 degree, and the PP material preferably guiding fusing is to extruding
The end in portion is moved..
Wherein, the spiral shell rib width of described screw thread is 4mm.
Wherein, described compression section is provided with charging aperture, and described charging aperture is located at the material extrusion face of screw thread.
Wherein, the outer surface of the end of described fixed part is provided with spline, and described screw body is solid by being arranged on
Determine to couple by spline between the spline in face and external drive equipment outside portion.
Wherein, described screw body is saltant type screw rod
Compared with prior art, the present invention is designed from the structure of screw rod, by the distribution of screw thread and the volume of gong groove
It is changed, improves the performance of screw body, reduce the transformation difficulty to equipment, cost-effective, screw body after improvement
There is practical, low energy consumption, can effectively melt PP material and uniform to press section end feed PP material so that PP
Material can equivalent, equipressure, uniformly enter mould energy；The volume of described thread groove gradually decrease so that PP material one
Secondary extrusion capacity reduces, and more easily controls PP material to enter the amount of mould, can increase the pressure entering mould simultaneously, increased
PP material adheres to the pressure on three layer insulation wire surface so that the fixation between PP material and three layer insulation wire is more firm, performance
More stable；Coupled so that screw body has stability by force between described fixed part and external drive equipment by spline,
Fixed part uniform force, improves the service life of screw body, is more convenient to control the entrance of the extruding PP material of screw body
Amount and pressure, improve the quality of the three layer insulation wire of production.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the A-A face sectional view in Fig. 1.
Specific embodiment
In order to allow those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings to the present invention
It is further elaborated.
As depicted in figs. 1 and 2, a kind of stock screw of the high temperature PA material for conveying three layer insulation wire, including length
Screw body 1 for 890mm.In order to improve the material extrusion efficiency of screw body, described screw body 1 is saltant type screw rod.Institute
The fixed part 11 that the screw body 1 stated includes being connected with external drive equipment, outer surface set threaded material extrusion portion 12 and set
Put the connecting portion 13 between fixed part 11 and material extrusion portion 12.The length of described fixed part is 70mm, and the length of connecting portion is
70mm, the length of press section is 750mm.The outer surface of the described end of fixed part 11 is provided with spline, and this spline is internal spline,
Described external drive equipment is provided with internal spline, and described screw body 1 is by being arranged on the outer of fixed part 11 outside face
Coupled so that uniform force during screw body material extrusion between spline and the internal spline of external drive equipment by spline, it is to avoid
Because accepting the uneven service life leading to screw body to rupture, affecting screw body.The rear portion of described connecting portion 13
It is provided with the screw thread of rectangle, this thread helix is distributed between connecting portion and feeding portion, the diameter of the described front portion of connecting portion 13
For 30mm.
In order to preferably extrude PP material, improve the performance of screw body, the outer surface in material extrusion portion 12 is provided with spiral and divides
The screw thread of cloth, carries out conveying PP material by forming thread groove between screw thread.Described material extrusion portion 12 is included with connecting portion 13 even
Compression section 121 changeover portion 122 being connected with compression section connecing and the end being arranged on screw body 1 and be connected with changeover portion
Discharge zone 123.The diameter of described press section is gradually increased from compression section 121 to discharge zone 123, and is arranged on press section 12
The volume of the thread groove between the screw thread of outer surface gradually decreases.Wherein, the end in described material extrusion portion 12 is taper, described
The length of the end of press section is 3mm.Described compression section is mainly used in carrying out PP material to the end direction of press section 13
Extruding, and progressively PP material is melted, its length is 415mm, a diameter of 19.9mm.Described changeover portion be mainly used in by
The PP material progressively melting is expressed to discharge zone, thus realizing compression section to discharge zone transition, its length is 120mm.Described
Discharge zone is mainly used in conveying PP material discharges screw body, and is delivered on mould, is wrapped in three-layer insulated by mould
The surface of line, forms PP material layer on three layer insulation wire surface；The length of described discharge zone is 215mm, a diameter of 25.9mm.
Described PP material layer is wherein one Rotating fields in three layer insulation wire.
In order to preferably extrude PP material, the described screw thread outer surface in material extrusion portion 12 forms extruding PP material to material extrusion
The material extrusion face 14 of face end movement and the guide face 15 of guiding PP material movement；The opening in described material extrusion face is towards material extrusion portion 12
End direction, the opening in described guide face towards the direction of connecting portion 13, by material extrusion face and the synergy of guide face so that PP
Material moves while extruding the squeezed end pressing to material extrusion portion, and on the other hand guiding PP material moves, by extruding and guiding phase
In conjunction with preferably driving PP material moves to the end in material extrusion portion.The helical angle in the guide face of described discharge zone 123 is 45
Degree.The spiral shell rib width of described screw thread is 4mm.
The volume of the thread groove in order to realize being arranged between the screw thread of press section 12 outer surface gradually decreases, setting
Pitch between the screw thread of material extrusion portion outer surface keeps constant, and pitch is controlled to 30mm, is arranged on material extrusion portion outer surface
Spiral groove depth between screw thread is progressively reduced from compression section 121 to discharge zone 123, because the pitch between screw thread is constant, screw thread
Between gong groove depth shoal, thus the volume realizing the thread groove between screw thread gradually decreases.In order to better control over PP material
Material fusing efficiency and movement direction, between the described screw thread of compression section 121 equally, even depth be distributed；Described
The screw thread of exhaust end 123 between equally, even depth distribution.
In order to preferably control PP material to enter in screw body, and extruded forward by screw body, in described pressure
Contracting section 121 is provided with charging aperture 1211, and described charging aperture 1211 is located at the material extrusion face of screw thread.
During work, PP material is entered in screw body by charging aperture 1211, the heater outside screw body is to PP
Material is heated so that PP material progressively melts, and screw body persistently rotates simultaneously, and drives the end to press section for the PP material
End is moved, and in continuous moving process, the volume due to gong groove reduces PP material, therefore more easily controls entering of PP material
Material, can increase the pressure of PP material so that PP material can uniformly, in equivalent, isobaric entrance mould, improve PP material simultaneously
Material is wrapped in the quality on three layer insulation wire surface.
Above-described embodiment is only the wherein specific implementation of the present invention, and its description is more concrete and detailed, but can not
Therefore it is interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, some deformation can also be made and improve, these obvious alternative forms are equal
Belong to protection scope of the present invention.
Claims (10)
1. a kind of stock screw of the high temperature PA material for conveying three layer insulation wire is it is characterised in that include screw body
（1）, described screw body（1）Including the fixed part being connected with external drive equipment（11）, outer surface set threaded material extrusion
Portion（12）And it is arranged on fixed part（11）With material extrusion portion（12）Between connecting portion（13）；Described thread helix is distributed in
The outer surface in material extrusion portion；Described material extrusion portion（12）Including with connecting portion（13）The compression section connecting（121）, be connected with compression section
Changeover portion（122）And it is arranged on screw body（1）End and the discharge zone that is connected with changeover portion（123）；Described squeezes
The diameter of splenium is by compression section（121）To discharge zone（123）It is gradually increased, and be arranged on press section（12）The screw thread of outer surface it
Between the volume of thread groove gradually decrease.
2. the high temperature PA material for conveying three layer insulation wire according to claim 1 stock screw it is characterised in that
Described material extrusion portion（12）End be taper.
3. the high temperature PA material for conveying three layer insulation wire according to claim 2 stock screw it is characterised in that
Described screw thread is in material extrusion portion（12）Outer surface formed extruding PP material move forward material extrusion face（14）With guiding PP material
The guide face of movement（15）；Towards the end direction in material extrusion portion, the opening in described guide face is towards even for the opening in described material extrusion face
The direction of socket part.
4. the high temperature PA material for conveying three layer insulation wire according to claim 3 stock screw it is characterised in that
Spiral groove depth between the described screw thread being arranged on material extrusion portion outer surface is by compression section（121）To discharge zone（123）Progressively subtract
Little.
5. the high temperature PA material for conveying three layer insulation wire according to claim 4 stock screw it is characterised in that
Described compression section（121）Screw thread between equally, even depth distribution；Described exhaust end（123）Screw thread between be in
Equidistantly, even depth distribution.
6. the high temperature PA material for conveying three layer insulation wire according to claim 5 stock screw it is characterised in that
Described discharge zone（123）Guide face helical angle be 45 degree.
7. the high temperature PA material for conveying three layer insulation wire according to claim 6 stock screw it is characterised in that
The spiral shell rib width of described screw thread is 4mm.
8. the high temperature PA material for conveying three layer insulation wire according to claim 7 stock screw it is characterised in that
Described compression section（121）It is provided with charging aperture（1211）, described charging aperture（1211）Material extrusion face positioned at screw thread.
9. the high temperature PA material for conveying three layer insulation wire according to claim 1 stock screw it is characterised in that
Described fixed part（11）The outer surface of end be provided with spline, and described screw body（1）By being arranged on fixed part
（11）Coupled by spline between the spline in outside face and external drive equipment.
10. the stock screw of the high temperature PA material for conveying three layer insulation wire according to claim 1, its feature exists
In described screw body（1）For saltant type screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610775010.1A CN106448920A (en) | 2016-08-31 | 2016-08-31 | Material extrusion threaded rod for conveying high temperature PA material of three layers of insulating wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610775010.1A CN106448920A (en) | 2016-08-31 | 2016-08-31 | Material extrusion threaded rod for conveying high temperature PA material of three layers of insulating wires |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106448920A true CN106448920A (en) | 2017-02-22 |
Family
ID=58091732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610775010.1A Pending CN106448920A (en) | 2016-08-31 | 2016-08-31 | Material extrusion threaded rod for conveying high temperature PA material of three layers of insulating wires |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106448920A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234324A (en) * | 1990-02-09 | 1993-08-10 | Sumitomo Electric Industries, Ltd. | Extruder for highly foamed plastic material having a reduced diameter mixing space for introducing an inert foaming agent |
| WO2008116393A1 (en) * | 2007-03-26 | 2008-10-02 | Fong-Chyi Chang | Apparatus for outputing the blend of selected materials and application system for electronic information |
| CN204249278U (en) * | 2014-10-30 | 2015-04-08 | 中山力劲机械有限公司 | A kind of injection machine injection screw structure |
| CN104527027A (en) * | 2014-12-08 | 2015-04-22 | 张家港市兰航机械有限公司 | Extrusion screw in PP foam sheet extruder mixing device |
-
2016
- 2016-08-31 CN CN201610775010.1A patent/CN106448920A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234324A (en) * | 1990-02-09 | 1993-08-10 | Sumitomo Electric Industries, Ltd. | Extruder for highly foamed plastic material having a reduced diameter mixing space for introducing an inert foaming agent |
| WO2008116393A1 (en) * | 2007-03-26 | 2008-10-02 | Fong-Chyi Chang | Apparatus for outputing the blend of selected materials and application system for electronic information |
| CN204249278U (en) * | 2014-10-30 | 2015-04-08 | 中山力劲机械有限公司 | A kind of injection machine injection screw structure |
| CN104527027A (en) * | 2014-12-08 | 2015-04-22 | 张家港市兰航机械有限公司 | Extrusion screw in PP foam sheet extruder mixing device |
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Effective date of registration: 20241022 Address after: Room 407, Chamber of Commerce Building, Plot 3, Intersection of Changjiang South Road and Shicheng Avenue, Qingxi Street, Guichi District, Chizhou City, Anhui Province, China 247100 Applicant after: Chizhou Qianyue Information Technology Co.,Ltd. Country or region after: China Address before: 516006, 3rd Floor, Workshop, No. 54, Huitai Industrial Park, Zhongkai High tech Zone, Huizhou City, Guangdong Province, China Applicant before: HUIZHOU YACHUANGYU TECHNOLOGY CO.,LTD. Country or region before: China |