CN109686507A - A kind of cross-linked polyethylene insulated cable earth's surface face colouring double-layer coextrusion mold - Google Patents
A kind of cross-linked polyethylene insulated cable earth's surface face colouring double-layer coextrusion mold Download PDFInfo
- Publication number
- CN109686507A CN109686507A CN201910032738.9A CN201910032738A CN109686507A CN 109686507 A CN109686507 A CN 109686507A CN 201910032738 A CN201910032738 A CN 201910032738A CN 109686507 A CN109686507 A CN 109686507A
- Authority
- CN
- China
- Prior art keywords
- colouring
- conus portion
- charging seat
- face
- double
- 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
- 238000004040 coloring Methods 0.000 title claims abstract description 38
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 12
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 12
- 241000237970 Conus <genus> Species 0.000 claims abstract description 26
- 239000003292 glue Substances 0.000 claims abstract description 10
- 239000003086 colorant Substances 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 description 9
- 238000009413 insulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241001463139 Vitta Species 0.000 description 2
- 239000004595 color masterbatch Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013589 supplement Substances 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
- 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
- H01B13/143—Insulating conductors or cables by extrusion with a special opening of the extrusion head
-
- 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
- H01B13/34—Apparatus or processes specially adapted for manufacturing conductors or cables for marking conductors or cables
- H01B13/345—Apparatus or processes specially adapted for manufacturing conductors or cables for marking conductors or cables by spraying, ejecting or dispensing marking fluid
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of cross-linked polyethylene insulated cable earth's surface face colouring double-layer coextrusion molds, including front shaft sleeve, colouring tapered sleeve and rear axle housing, one end of front shaft sleeve is axially inserted into one end of charging seat, feed inlet has been arranged radially on the side side wall of charging seat, it is axial inside the other end of charging seat to be provided with circular cone inner hole, the conus portion of colouring tapered sleeve one end is inserted into circular cone inner hole and is close to the inner sidewall of circular cone inner hole, it is provided with that a circle is corresponding with feed inlet to lead glue groove on the lateral wall of conus portion, the two sides of conus portion are symmetrically arranged with V-shaped runner, the turning point in the V-shaped flow road of two sides with lead that glue groove is connected and the both ends in the V-shaped flow road of two sides are converged in the axial end face of conus portion, the axial end face of conus portion is equipped with uniform ring.Present invention employs completely new colouring mould structures to reduce cost, improve product quality the colorant wasted when the outermost layer that insulate extrudes by way of a thin layer colours Insulation Material to reduce colour changing.
Description
Technical field
The present invention relates to cable production fields, double-deck more particularly to a kind of cross-linked polyethylene insulated cable earth's surface face colouring
Co-extruding mould.
Background technique
Voltage rating 0.6/1kV power cable belongs to low side cable product as product most common on cable market, but
It is since its market demand is huge, in addition the simplification and transparence of its process and structure, market competition is extremely fierce how
The production cost for reducing cable, the competitiveness for improving cable have become the focus of each cable enterprises pay attention.
It requires " to use face according to the 4.1.1 articles wire and cable distinguishing mark method in standard GB/T/T 6995.1-2008
, can be all using coloring Insulation Material when color identifies insulated wire cores, or extrude a thin layer in insulation outermost layer and colour Insulation Material, or is vertical
To the suitable method such as the vitta for extruding a suitable width ".
Mostly present insulated wire cores colouring is to be adopted as panchromatic split-phase mode, which has the following problems: (1) changing
Wastage is more when color, and waste is big, and the waste material of 3~4kg, the waste material of the one day about row of need 100kg need to be arranged by often changing a kind of color；(2)
It need to will expect to empty in screw rod, be easy to appear colour changing and be not thorough, colour mixture situation, color separation is unclear to cause client to complain；(3) the colour changing time
It is long, influence production efficiency；(4) addition of color masterbatch affects the quality of insulation to a certain extent.
So needing a kind of new coloring structure and technique to solve above-mentioned technical problem.
Summary of the invention
It is total that technical problem to be solved by the invention is to provide a kind of cross-linked polyethylene insulated cable earth's surface face colouring bilayers
Extruding mold, using completely new colouring mould structure, insulation outermost layer extrude by way of a thin layer colours Insulation Material come
The colorant wasted when colour changing is reduced, cost is reduced, improves product quality.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of cross-linked polyethylene insulated cable earth's surface
Face colouring double-layer coextrusion mold, including front shaft sleeve, colouring tapered sleeve and rear axle housing, one end of the front shaft sleeve be axially inserted into
In the one end for expecting seat, it is arranged radially feed inlet on the side side wall of the charging seat, in the other end of the charging seat
Portion is axially provided with circular cone inner hole, the conus portion of described colouring tapered sleeve one end be inserted into circular cone inner hole and with circular cone inner hole
Inner sidewall is close to, and is provided with that a circle is corresponding with feed inlet to lead glue groove, the circular cone on the lateral wall of the conus portion
The two sides in portion are symmetrically arranged with V-shaped runner, the turning point in the V-shaped flow road of two sides with lead glue groove and be connected and the V-shaped flow of two sides
The both ends in road are converged in the axial end face of conus portion, and the axial end face of the conus portion is equipped with uniform ring, the V-arrangement from two sides
The colorant that runner flows out is evenly distributed in uniform ring, and the other end of the colouring tapered sleeve is connected with rear axle housing.
As a supplement to the technical solution of the present invention, axial one end of the charging seat is provided with screw thread
One end of inner hole, the front shaft sleeve is connected with threaded interior hole.
Further, it is provided with screw connecting hole on one end end face of the charging seat, is set on the colouring tapered sleeve
It is equipped with connection through-hole corresponding with screw connecting hole.
Further, the uniform ring is arranged between the end face of conus portion and charging seat in gap and passes through conus portion
Carry out axial compression clamping.
The utility model has the advantages that being used the present invention relates to a kind of cross-linked polyethylene insulated cable earth's surface face colouring double-layer coextrusion mold
Completely new colouring mould structure, waste material significantly reduces when colour changing, and each waste discharge material only needs 1kg or so, save waste material every time
2kg-3kg, it is average to save waste material 50kg-75kg daily, 15T-22T waste material is at least saved every year on average, according to market price 13000
Member/T, saving waste material is often only in calculating can save 200,000 yuan, and furthermore colour changing is also more clean, avoid going out for mixed color phenomenon
It is existing；Since insulator body is true qualities, only surface has a thin layer to colour Insulation Material, also reduces color masterbatch to greatest extent to exhausted
The influence of edge quality；Mould structure is using completely new runner and uses uniform ring, and color stream pressure is made to be distributed more uniform, energy
It is evenly distributed and sufficiently thin coloring layer.
Detailed description of the invention
Fig. 1 is the half-sectional structure chart of assembly of the invention；
Fig. 2 is the structure chart of charging seat of the invention；
Fig. 3 is the structure chart of colouring tapered sleeve of the invention.
Diagram: 1, front shaft sleeve；2, charging seat；3, colouring tapered sleeve；4, rear axle housing；5, feed inlet；6, V-shaped flow road；7, uniformly
Ring；21, circular cone inner hole；22, threaded interior hole；23, screw connecting hole；31, conus portion；32, glue groove is led；34, through-hole is connected.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
As shown in Figure 1-3, the technical solution adopted by the present invention to solve the technical problems is: providing a kind of crosslinked polyethylene
Insulated cable earth's surface face colouring double-layer coextrusion mold, including front shaft sleeve 1, colouring tapered sleeve 3 and rear axle housing 4, the front shaft sleeve 1
One end is axially inserted into one end of charging seat 2, and feed inlet 5 has been arranged radially on the side side wall of the charging seat 2, described
Charging seat 2 the other end inside it is axial be provided with circular cone inner hole 21, the conus portion 31 of described 3 one end of colouring tapered sleeve is inserted into
Be close in circular cone inner hole 21 and with the inner sidewall of circular cone inner hole 21, be provided on the lateral wall of the conus portion 31 circle with into
Material mouth 5 is corresponding to lead glue groove 32, and the two sides of the conus portion 31 are symmetrically arranged with V-shaped runner 6, the V-shaped flow road 6 of two sides
Turning point with lead that glue groove 32 is connected and the both ends in the V-shaped flow road 6 of two sides are converged in the axial end face of conus portion 31, it is described
The axial end face of conus portion 31 is equipped with uniform ring 7, and the colorant flowed out from the V-shaped flow road 6 of two sides is evenly distributed in uniformly
On ring 7, the other end of the colouring tapered sleeve 3 is connected with rear axle housing 4.
Axial one end of the charging seat 2 is provided with threaded interior hole 22, one end of the front shaft sleeve 1 and threaded interior hole
22 be connected, screw connecting hole 23 is provided on one end end face of the charging seat 2, be provided on the colouring tapered sleeve 3 with
The corresponding connection through-hole 34 of screw connecting hole 23.
The uniform ring 7 be arranged between the end face of conus portion 31 and charging seat 2 in gap and by conus portion 31 into
Row axial compression clamps, and facilitates the replacement of uniform ring 7.
As a kind of embodiment of the invention, the mould structure of present patent application changes stream shape of the material in head
State, this mould structure are mainly mounted on 90 extruding machines, while 90 extrusion molding machine hosts squeeze out true qualities insulating outer layer, use 45
The machine of note passes through the runner of this mold, and a thin layer of color is covered outside true qualities.
The vitta that 45 note machines come out is directly injected by feed inlet 5 and is led in glue groove 32, and the V-shaped flow road to two sides is entered back into
In 6, if it is pervious single channel, stream pressure compares concentration and can not disperse to discharge, and especially entirely applies in insulating surface
When covering the insulation of a thin layer color, be extremely difficult to far from note item mouth end stream after extrusion molding, color layers can not all standing, and apart from note item
The close color layers thickness in mouthful end is very thick, causes after squeezing out side color layers thickness thick and symmetrical side showing without color layers
As.
It is verified by test of many times, to accomplish that whole surface uniformly extrudes a thin layer coloring Insulation Material, need to set runner
Meter is symmetrically distributed, and in order to obtain pressure distribution more evenly, is respectively additionally arranged a spreader again in symmetrical runner,
Form present V-shaped flow road 6, color stream circumference after crossing spreader converges completely, before color stream and true qualities stream are converged
A uniform ring 7 need to be passed through, keep the distribution of color stream pressure more uniform, be evenly distributed and sufficiently thin coloring layer.
Present invention employs completely new colouring mould structures, colour Insulation Material by extruding a thin layer in insulation outermost layer
Mode reduces cost come the colorant wasted when reducing colour changing, improves product quality.
Claims (4)
1. a kind of cross-linked polyethylene insulated cable earth's surface face colouring double-layer coextrusion mold, including front shaft sleeve (1), colouring tapered sleeve (3)
With rear axle housing (4), which is characterized in that one end of the front shaft sleeve (1) is axially inserted into one end of charging seat (2), described
Charging seat (2) side side wall on be arranged radially feed inlet (5), it is axial inside the other end of the charging seat (2) to set
Be equipped with circular cone inner hole (21), the conus portion (31) of described colouring tapered sleeve (3) one end be inserted into circular cone inner hole (21) and with circle
The inner sidewall for boring inner hole (21) is close to, and it is corresponding with feed inlet (5) to be provided with a circle on the lateral wall of the conus portion (31)
Lead glue groove (32), the two sides of the conus portion (31) are symmetrically arranged with V-shaped runner (6), the V-shaped flow road (6) of two sides
Turning point with lead that glue groove (32) is connected and the both ends in the V-shaped flow road (6) of two sides are converged in the axial end face of conus portion (31), institute
The axial end face for the conus portion (31) stated is equipped with uniform ring (7), and the colorant flowed out from the V-shaped flow road (6) of two sides is equably
It is distributed on uniform ring (7), the other end of the colouring tapered sleeve (3) is connected with rear axle housing (4).
2. cross-linked polyethylene insulated cable earth's surface face colouring double-layer coextrusion mold according to claim 1, it is characterised in that:
Axial one end of the charging seat (2) is provided with threaded interior hole (22), one end of the front shaft sleeve (1) and threaded interior hole
(22) it is connected.
3. cross-linked polyethylene insulated cable earth's surface face colouring double-layer coextrusion mold according to claim 1, it is characterised in that:
It is provided with screw connecting hole (23), is provided on the colouring tapered sleeve (3) and spiral shell on one end end face of the charging seat (2)
Follow closely connecting hole (23) corresponding connection through-hole (34).
4. cross-linked polyethylene insulated cable earth's surface face colouring double-layer coextrusion mold according to claim 1, it is characterised in that:
The uniform ring (7) be arranged between the end face and charging seat (2) of conus portion (31) in gap and pass through conus portion (31) into
Row axial compression clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032738.9A CN109686507A (en) | 2019-01-14 | 2019-01-14 | A kind of cross-linked polyethylene insulated cable earth's surface face colouring double-layer coextrusion mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032738.9A CN109686507A (en) | 2019-01-14 | 2019-01-14 | A kind of cross-linked polyethylene insulated cable earth's surface face colouring double-layer coextrusion mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109686507A true CN109686507A (en) | 2019-04-26 |
Family
ID=66193279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910032738.9A Pending CN109686507A (en) | 2019-01-14 | 2019-01-14 | A kind of cross-linked polyethylene insulated cable earth's surface face colouring double-layer coextrusion mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109686507A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09274819A (en) * | 1996-04-05 | 1997-10-21 | Yazaki Corp | Colored insulated wire and its manufacture |
| CN201179718Y (en) * | 2008-01-25 | 2009-01-14 | 高荣富 | Double-layer co-extrusion pigmentation cable conductor core extrusion frame head |
| CN101447261A (en) * | 2008-12-23 | 2009-06-03 | 广东省广州番禺电缆厂有限公司 | Processing method of cable with totally colored surface and extrusion die |
| CN202183281U (en) * | 2011-08-02 | 2012-04-04 | 无锡电缆厂有限公司 | Uniformly extruding ring of bicolor plastic for cable |
| US20160086692A1 (en) * | 2014-09-23 | 2016-03-24 | Cerro Wire Llc | Colored Wire or Cable and Method and Apparatus for Coloring Wire or Cable |
| CN209561092U (en) * | 2019-01-14 | 2019-10-29 | 宁波球冠电缆股份有限公司 | A kind of surface coloring double-layer coextrusion mold of cross-linked polyethylene insulated cable |
-
2019
- 2019-01-14 CN CN201910032738.9A patent/CN109686507A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09274819A (en) * | 1996-04-05 | 1997-10-21 | Yazaki Corp | Colored insulated wire and its manufacture |
| CN201179718Y (en) * | 2008-01-25 | 2009-01-14 | 高荣富 | Double-layer co-extrusion pigmentation cable conductor core extrusion frame head |
| CN101447261A (en) * | 2008-12-23 | 2009-06-03 | 广东省广州番禺电缆厂有限公司 | Processing method of cable with totally colored surface and extrusion die |
| CN202183281U (en) * | 2011-08-02 | 2012-04-04 | 无锡电缆厂有限公司 | Uniformly extruding ring of bicolor plastic for cable |
| US20160086692A1 (en) * | 2014-09-23 | 2016-03-24 | Cerro Wire Llc | Colored Wire or Cable and Method and Apparatus for Coloring Wire or Cable |
| CN209561092U (en) * | 2019-01-14 | 2019-10-29 | 宁波球冠电缆股份有限公司 | A kind of surface coloring double-layer coextrusion mold of cross-linked polyethylene insulated cable |
Non-Patent Citations (1)
| Title |
|---|
| 彭永红;: "双色线的挤出及双色均匀环的设计", 电线电缆, vol. 2010, no. 3, 25 June 2010 (2010-06-25), pages 35 - 37 * |
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