CN109036731A - Plastic extrusion die is used in a kind of production of cable - Google Patents
Plastic extrusion die is used in a kind of production of cable Download PDFInfo
- Publication number
- CN109036731A CN109036731A CN201810833693.0A CN201810833693A CN109036731A CN 109036731 A CN109036731 A CN 109036731A CN 201810833693 A CN201810833693 A CN 201810833693A CN 109036731 A CN109036731 A CN 109036731A
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- China
- Prior art keywords
- fixed
- extrusion die
- inner cone
- die sleeve
- cable production
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- 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.)
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Classifications
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- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
Abstract
The present invention relates to cable production fields more particularly to a kind of production of cable to use plastic extrusion die.It can be avoided plastics cable production plastic extrusion die that is incomplete and preventing head temperature reduction in conjunction with core wire the technical problem to be solved in the present invention is to provide a kind of.A kind of cable production plastic extrusion die, includes die sleeve cylinder, mold core cylinder, head, endless glide and ring slider;Die sleeve inner cone is offered in die sleeve cylinder for accepting plastics, die sleeve inner cone is used to pour into the plastics of melting, mold core inner cone is offered on the mold core cylinder of core wire for installing electric wire, mold core inner cone is used for the core wire through electric wire, head for wrapping up molten plastic is fixed in mold core cylinder, and be connected in mold core inner cone, and with die sleeve inner cone be clamped.Invention achieves avoid plastics effect that is incomplete and preventing head temperature reduction in conjunction with core wire.
Description
Technical field
The present invention relates to cable production fields more particularly to a kind of production of cable to use plastic extrusion die.
Background technique
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.Cable in plastics is the one of which of cable, cable in plastics
The quality of product quality, preheated with the quality of plastics itself, extruder performance, extrusion temperature, folding and unfolding line tension, speed, core wire,
The many factors such as cooling, extrusion die design after plastic extrusion are related, wherein most importantly in cable in plastics extrusion process
The device being finally formed --- mold.Geometry, mechanism design and size, temperature height, pressure size of mold etc. are direct
Determine the success or failure of electric wire processing.Therefore, mold design, apolegamy and its Insulation of any cable in plastics product, always by
To great attention.For common extrusion die when forming electric wire, plastics not exclusively, it is existing to be easy to appear bubble etc. in conjunction with core wire
As causing the outer plastics of molding electric wire unstable, to be easy electric leakage, and the length of die sleeve outermost end stretching head section is spent
It is long, it will affect heat-transfer effect, the temperature of die sleeve mouth plastics caused to be affected, so that extrusion quality is influenced, and molding electric wire
It after being melted plastic wraps, is not quickly cooled down and equally will affect final product quality, therefore need to research and develop one kind and can be avoided plastics
The cable production plastic extrusion die that is incomplete and preventing head temperature reduction in conjunction with core wire.
Summary of the invention
The present invention is in order to overcome common extrusion die when forming electric wire, and in conjunction with core wire not exclusively, die sleeve is most for plastics
The length that head section is stretched out in outer end is too long, will affect heat-transfer effect, and molding electric wire is after being melted plastic wraps, unhappy
Quickly cooling but equally will affect the shortcomings that final product quality, the technical problem to be solved in the present invention is to provide one kind can be avoided plastics with
The cable production plastic extrusion die that core wire combines not exclusively and prevents head temperature from reducing.
The present invention is reached by technological means in detail below:
A kind of cable production plastic extrusion die, includes die sleeve cylinder, mold core cylinder, head, endless glide and ring
Shape sliding block;Die sleeve inner cone is offered in die sleeve cylinder for accepting plastics, die sleeve inner cone is used to pour into the plastics of melting, is used for
It installs and offers mold core inner cone on the mold core cylinder of the core wire of electric wire, mold core inner cone is used for the core wire through electric wire, for wrapping up
The head of molten plastic is fixed in mold core cylinder, and be connected in mold core inner cone, and be clamped with die sleeve inner cone;Endless glide is affixed
In top surface outside die sleeve cylinder, and die sleeve cylinder is slidably connected by ring slider and endless glide.
Further, which further includes having mounting plate, thermal-insulated frame, electrode plate and electric heating
Silk;Mounting plate is fixed in endless glide outer wall, and is connected with mounting plate at the top and bottom of endless glide;Thermal-insulated frame is fixed in peace
Loading board bottom, and be located above die sleeve cylinder;Electrode plate is embedded in thermal insulation board inner wall;Heating wire is fixed in electrode plate, and and electrode
Plate is powered.
Further, which further includes having cooling tube, mounting rack, motor, blowing fan blade
And grid;Cooling tube is fixed in mounting plate far from one side of endless glide;Mounting rack is fixed in cooling inside pipe wall, and motor is fixed in
Mounting rack;Blowing fan blade and motor output end are sequentially connected;Grid is fixed in the nozzle of cooling bottom of the tube.
Further, which further includes having filter;Filter is fixed in cooling tube head tube
Mouthful.
Further, which further includes having splicing groove body;Splicing groove body is fixed in annular
The mounting plate of sliding rail bottom.
Further, which further includes having thermal insulation board;Thermal insulation board is fixed in mounting plate, and
Between cooling tube and thermal-insulated frame.
Compared with prior art, the invention has the following beneficial effects:
Invention achieves avoid plastics effect that is incomplete and preventing head temperature reduction in conjunction with core wire.Pass through annular
Sliding rail cooperation ring slider die sleeve cylinder is rotated, enable melting plastics uniformly cover on core wire, thus make core wire with
Plastics can be completely combined, and setting heating wire can generate a large amount of heat, and heat transfer to die sleeve cylinder, die sleeve cylinder will be warm
Amount is transferred to head, causes molten plastic half to solidify so as to avoid head temperature reduction, setting cooling tube, which can cooperate, to be blown
Fan leaf generates a large amount of wind, and molding cable in plastics is quickly cooled down, so as to improve the shaping efficiency of cable in plastics, and
The quality for improving cable in plastics, prevents cable in plastics aging, dust can be prevented to be blown to plastics with cooling tube by the way that filter is arranged
Electric wire, setting splicing groove body can catch the plastics that head leaks out, the heat that can be then generated heating wire by thermal insulation board
Isolation, avoids the normal operation for influencing motor.
Detailed description of the invention
Fig. 1 is the first schematic view of the front view of the invention.
Fig. 2 is second of schematic view of the front view of the invention.
Fig. 3 is the third schematic view of the front view of the invention.
Fig. 4 is the 4th kind of schematic view of the front view of the invention.
Fig. 5 is the 5th kind of schematic view of the front view of the invention.
Fig. 6 is the 6th kind of schematic view of the front view of the invention.
The label in accompanying drawing is: 1- die sleeve cylinder, 2- die sleeve inner cone, 3- mold core cylinder, 4- mold core inner cone, 5- head, 6-
Endless glide, 7- ring slider, 8- mounting plate, 9- thermal-insulated frame, 10- electrode plate, 11- heating wire, 12- cooling tube, 13- installation
Frame, 14- motor, 15- blowing fan blade, 16- grid, 17- filter, 18- splicing groove body, 19- thermal insulation board.
Specific embodiment
The present invention is described further below in conjunction with attached drawing:
Embodiment
A kind of production of cable includes as shown in figures 1 to 6 die sleeve cylinder 1, mold core cylinder 3, head with plastic extrusion die
5, endless glide 6 and ring slider 7;Die sleeve inner cone 2 is offered in die sleeve cylinder 1 for accepting plastics, die sleeve inner cone 2 is used for
The plastics for pouring into melting offer mold core inner cone 4 on the mold core cylinder 3 of the core wire for installing electric wire, and mold core inner cone 4 is for passing through
The core wire for wearing electric wire, the head 5 for wrapping up molten plastic are fixed in mold core cylinder 3, and be connected in mold core inner cone 4, and with
Die sleeve inner cone 2 is clamped;Endless glide 6 is fixed in the outer top surface of die sleeve cylinder 1, and die sleeve cylinder 1 is sliding by ring slider 7 and annular
Rail 6 is slidably connected.
The quality of cable in plastics product quality, with the quality of plastics itself, extruder performance, extrusion temperature, retractable cable
The many factors such as cooling, 5 mold design of head after power, speed, core wire preheating, plastic extrusion are related, wherein being most importantly
The device being finally formed in cable in plastics extrusion process --- mold.Geometry, mechanism design and size, the temperature of mold are high
Low, pressure size etc. directly determines the success or failure of electric wire processing.Therefore, the mold design of any cable in plastics product, apolegamy and its
Insulation is always highly valued.For common extrusion die when forming electric wire, plastics are incomplete in conjunction with core wire,
Phenomena such as being easy to appear bubble causes the outer plastics of molding electric wire unstable, to be easy electric leakage, and die sleeve outermost end stretches out machine
The length of first 5 part is too long, will affect heat-transfer effect, and the temperature of die sleeve mouth plastics is caused to be affected, to influence to squeeze out matter
Amount, and molding electric wire is after being melted plastic wraps, not being quickly cooled down equally will affect final product quality, so this mould can be used
Tool can produce more good wire and cable.
Worker's core wire is run through away by passing through mold core inner cone 4 by head 5, and the head 5 of mold core cylinder 3 protrudes into mould
Cover in inner cone 2, and be connected to in it, molten plastic is poured into die sleeve inner cone 2 by worker, by die sleeve inner cone 2 and mold core cylinder 3 outside
Wall cooperatively forms plastic sheath and enters head 5, so that plastic sheath is covered outside core wire, so as to form cable in plastics, and in order to
It avoids cable in plastics surface plastic materials in forming process uneven, so endless glide 6 can be fixed on extruder, passes through ring
Shape sliding block 7 covers cylinder 1 along 6 rotating mould of endless glide, and the molten plastic in die sleeve cylinder 1 is enable uniformly to cover on core wire,
To prevent it from phenomena such as bubble occur.
Wherein, according to Fig.2, which further includes having mounting plate 8, thermal-insulated frame 9, electrode
Plate 10 and heating wire 11;Mounting plate 8 is fixed in 6 outer wall of endless glide, and 6 top and bottom of endless glide are connected with mounting plate
8;Thermal-insulated frame 9 is fixed in 8 bottom of mounting plate, and is located at 1 top of die sleeve cylinder;Electrode plate 10 is embedded in 19 inner wall of thermal insulation board;Electric heating
Silk 11 is fixed in electrode plate 10, and is powered with electrode plate 10;In order to avoid 5 position temperature of head is inadequate, so as to cause melting modeling
Material half solidifies, can not fully wrapped around core wire, mounting plate 8 and thermal-insulated frame 9 are set, are powered to the electrode plate 10 in thermal-insulated frame 9, electrode
Plate 10 simultaneously supplies power to heating wire 11, and heating wire 11 generates a large amount of heat and contacts with 1 surface of die sleeve cylinder, thermal-insulated frame 9
Shield heat away is avoided to be transmitted to outside, heat is transferred to head 5 along die sleeve cylinder 1, thus fall 5 heat of head will not,
The reduction of molten plastic heat is avoided, it can not fully wrapped around core wire the case where making the cable in plastics quality of production be guaranteed.
Wherein, which further includes having cooling tube 12, mounting rack 13, motor 14, blower fan
Leaf 15 and grid 16;Cooling tube 12 is fixed in mounting plate 8 far from 6 one side of endless glide;Mounting rack 13 is fixed in cooling tube 12
Inner wall, motor 14 are fixed in mounting rack 13;Blowing fan blade 15 and 14 output end of motor are sequentially connected;Grid 16 is fixed in cooling tube
The nozzle of 12 bottoms;According to Fig.3, in order to allow cable in plastics can rapid shaping and guarantee quality, by be arranged it is cold
But the mountable motor 14 of pipe 12, motor 14 are fixed on mounting rack 13, and after starting motor 14, motor 14 drives blowing fan blade 15 high
Speed operating, so that external wind is blown to the cable in plastics outside head 5 by cooling tube 12, to change around cable in plastics
Air velocity, the cable in plastics to have the function that the molding cable in plastics of rapid cooling, and after being quickly cooled down is not
It is easy to aging.
Wherein, according to Fig.4, which further includes having filter 17;Filter 17 is fixed in
12 top nozzle of cooling tube;Setting filter 17 can be avoided cooling tube 12 when being blowed cooling, there is excessive dust or mosquito
Into cooling tube 12.
Wherein, which further includes having splicing groove body 18;Splicing groove body 18 is fixed in annular
The mounting plate 8 of 6 bottom of sliding rail;According to Fig.5, setting splicing groove body 18 can prevent omission molten condition plastics from
Head 5 drops down and is caught.
Wherein, which further includes having thermal insulation board 19;Thermal insulation board 19 is fixed in mounting plate 8,
And between cooling tube 12 and thermal-insulated frame 9;It is excessive that the heat that heating wire 11 generates in order to prevent on thermal insulation board 19 is set, thus
The running for influencing motor 14 can increase degree of thermal insulation by thermal insulation board 19.
Control mode of the invention is automatically controlled by controller, the skill that the control circuit of controller passes through this field
Art personnel's simple programming can be realized, and the offer of power supply also belongs to the common knowledge of this field, and the present invention is mainly used to protect
Mechanical device is protected, so the present invention is not explained control mode and circuit connection.
Using technical solution of the present invention or those skilled in the art under the inspiration of technical solution of the present invention, if
Similar technical solution is counted out, and reaches above-mentioned technical effect, is to fall into protection scope of the present invention.
Claims (6)
1. a kind of cable production plastic extrusion die, which is characterized in that include die sleeve cylinder, mold core cylinder, head, annular
Sliding rail and ring slider;Die sleeve inner cone is offered in die sleeve cylinder for accepting plastics, die sleeve inner cone is for pouring into melting
Plastics offer mold core inner cone on the mold core cylinder of the core wire for installing electric wire, and mold core inner cone is used for the core wire through electric wire,
Head for wrapping up molten plastic is fixed in mold core cylinder, and be connected in mold core inner cone, and be clamped with die sleeve inner cone;Annular
Sliding rail is fixed in the outer top surface of die sleeve cylinder, and die sleeve cylinder is slidably connected by ring slider and endless glide.
2. a kind of cable production plastic extrusion die according to claim 1, it is characterised in that cable production modeling
Expect that extrusion die further includes having mounting plate, thermal-insulated frame, electrode plate and heating wire;Mounting plate is fixed in endless glide outer wall, and ring
Mounting plate is connected at the top and bottom of shape sliding rail;Thermal-insulated frame is fixed in mounting plate bottom, and is located above die sleeve cylinder;Electrode
Plate is embedded in thermal insulation board inner wall;Heating wire is fixed in electrode plate, and is powered with electrode plate.
3. a kind of cable production plastic extrusion die according to claim 2, which is characterized in that cable production modeling
Expect that extrusion die further includes having cooling tube, mounting rack, motor, blowing fan blade and grid;Cooling tube is fixed in mounting plate far from ring
One side of shape sliding rail;Mounting rack is fixed in cooling inside pipe wall, and motor is fixed in mounting rack;Blowing fan blade and motor output end are driven
Connection;Grid is fixed in the nozzle of cooling bottom of the tube.
4. a kind of cable production plastic extrusion die according to claim 3, which is characterized in that cable production modeling
Expect that extrusion die further includes having filter;Filter is fixed in cooling tube top nozzle.
5. a kind of cable production plastic extrusion die according to claim 4, which is characterized in that cable production modeling
Expect that extrusion die further includes having splicing groove body;Splicing groove body is fixed in the mounting plate of endless glide bottom.
6. a kind of cable production plastic extrusion die according to claim 5, which is characterized in that cable production modeling
Expect that extrusion die further includes having thermal insulation board;Thermal insulation board is fixed in mounting plate, and between cooling tube and thermal-insulated frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810833693.0A CN109036731B (en) | 2018-07-26 | 2018-07-26 | Plastic extrusion die for cable production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810833693.0A CN109036731B (en) | 2018-07-26 | 2018-07-26 | Plastic extrusion die for cable production |
Publications (2)
Publication Number | Publication Date |
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CN109036731A true CN109036731A (en) | 2018-12-18 |
CN109036731B CN109036731B (en) | 2019-12-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810833693.0A Active CN109036731B (en) | 2018-07-26 | 2018-07-26 | Plastic extrusion die for cable production |
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CN (1) | CN109036731B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110993207A (en) * | 2019-11-22 | 2020-04-10 | 湖南新耒传导材料科技有限公司 | Plastic extrusion die for cable production |
CN113601813A (en) * | 2021-04-16 | 2021-11-05 | 上海起帆电线电缆技术有限公司 | Rubber sleeve cable extrusion device and extrusion method for preventing die sleeve from sticking film |
Citations (5)
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GB1136741A (en) * | 1965-03-08 | 1968-12-18 | Reynolds Metals Co | Extruded composite rails and methods of making same |
JPS4944232B1 (en) * | 1969-05-13 | 1974-11-27 | ||
CN204431706U (en) * | 2014-12-31 | 2015-07-01 | 贵州名鸽电线电缆有限公司 | A kind of throw rotating electric wire extruding machine external mold |
CN204471819U (en) * | 2014-12-31 | 2015-07-15 | 贵州名鸽电线电缆有限公司 | A kind of rotatable electric wire extruding machine external mold |
CN204701114U (en) * | 2015-06-09 | 2015-10-14 | 中天科技装备电缆有限公司 | A kind of novel cable extrusion molding mould |
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2018
- 2018-07-26 CN CN201810833693.0A patent/CN109036731B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1136741A (en) * | 1965-03-08 | 1968-12-18 | Reynolds Metals Co | Extruded composite rails and methods of making same |
JPS4944232B1 (en) * | 1969-05-13 | 1974-11-27 | ||
CN204431706U (en) * | 2014-12-31 | 2015-07-01 | 贵州名鸽电线电缆有限公司 | A kind of throw rotating electric wire extruding machine external mold |
CN204471819U (en) * | 2014-12-31 | 2015-07-15 | 贵州名鸽电线电缆有限公司 | A kind of rotatable electric wire extruding machine external mold |
CN204701114U (en) * | 2015-06-09 | 2015-10-14 | 中天科技装备电缆有限公司 | A kind of novel cable extrusion molding mould |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110993207A (en) * | 2019-11-22 | 2020-04-10 | 湖南新耒传导材料科技有限公司 | Plastic extrusion die for cable production |
CN113601813A (en) * | 2021-04-16 | 2021-11-05 | 上海起帆电线电缆技术有限公司 | Rubber sleeve cable extrusion device and extrusion method for preventing die sleeve from sticking film |
CN113601813B (en) * | 2021-04-16 | 2023-06-16 | 上海起帆电线电缆技术有限公司 | Extrusion device and extrusion method for rubber sleeve cable capable of preventing die sleeve from sticking |
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TA01 | Transfer of patent application right |
Effective date of registration: 20191118 Address after: 315338 Cidong Avenue 1999, Binhai Economic Development Zone, Cixi City, Ningbo City, Zhejiang Province Applicant after: Ningbo Korea Telecom Technology Co., Ltd. Address before: 510000 Dabu Road 219 North 50 meters, Baiyun District, Guangzhou City, Guangdong Province Applicant before: Sun Yanhong |
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GR01 | Patent grant |