CN106531363B - A kind of double-layer coextrusion formula extruder for cable processing - Google Patents
A kind of double-layer coextrusion formula extruder for cable processing Download PDFInfo
- Publication number
- CN106531363B CN106531363B CN201611202965.4A CN201611202965A CN106531363B CN 106531363 B CN106531363 B CN 106531363B CN 201611202965 A CN201611202965 A CN 201611202965A CN 106531363 B CN106531363 B CN 106531363B
- Authority
- CN
- China
- Prior art keywords
- double
- extruder
- layer coextrusion
- jig
- mold core
- 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.)
- Expired - Fee Related
Links
- 238000001125 extrusion Methods 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 13
- 229920003023 plastic Polymers 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of double-layer coextrusion formula extruder for cable processing, including horizontal extruder, tilt extruder and double-layer coextrusion jig, the inclination squeezes out drive end unit and is connected to fixing support rack by connector hinge, front end is connected to stretching structure up and down by connector hinge, front end extruder head angle is adjusted by upper and lower stretching structure raising and lowering, the double-layer coextrusion jig is equipped with two feed inlets, one of feed inlet setting is connect in double-layer coextrusion jig side with horizontal extruder extruder head, another feed inlet, which is arranged above double-layer coextrusion jig, to be connect by connection fixture with extruder extruder head is tilted.The present invention overcomes the deficiencies in the prior art, two extruders are connected by a double-layer coextrusion jig, realize the double-deck disposable extrusion, greatly improve the processing effect of cable, effectively raise the compactness between multilayer wrapping layer, equipment making is simple simultaneously, easy to maintain, and it is wide to be applicable in model.
Description
Technical field
The present invention relates to cable insulation extrusion equipment technical fields, and it is total to particularly belong to a kind of bilayer for cable processing
The formula of squeezing extruder.
Background technology
The operation principle of extruding machine is：Using the screw rod of specific shape, rotated in the machine barrel of heating, it will be by being sent in hopper
The plastics come squeeze forward, and plastics is made uniformly to be plasticized（Melt）, by head and mold of different shapes, plastics is made to squeeze
At successional required variously-shaped plastic layer, it is extruded on core and cable.
The plastic insulation and sheath of electric wire make to carry out using continuously extruded mode, and extrusion equipment is usually single spiral shell
Bar extruding machine.Plastics before extrusion, whether precheck plastics are moist or whether there is or not other sundries, are added after then screw rod is preheated
In material bin.In extrusion, the plastics being fitted into hopper are threaded by gravity or charging in machine barrel, in rotary screw
Thrust under, constantly push ahead, gradually moved to homogenizing zone since preheating section；Meanwhile plastics are by screw rod
Stirring and squeezing action, and it is changed into viscosity flow under the action of the outer heat of machine barrel and the shearing friction between plastics and equipment
State forms the stream of continuous uniform in screw channel.Under the temperature action of process stipulation, plastics are changed into melting from solid state
The plastic object of state, then via the promotion or stirring of screw rod, the plastics being plasticized completely are pushed into head；Reach the material of head
Stream is squeezed out from die sleeve mouth, is extruded around conductor or core through the annular gap between mold core and die sleeve, is formed continuous closely knit
Electric wire product is made then through cooling and solidification in insulating layer or restrictive coating.
But it is equipped with multilayer wrapping layer outside most of electric wire, existing technology is processing in layer,
Efficiency is low, and is processing another layer after one layer of completion of processing, and last layer is easy to fall ash, inadequate so as to connect between leading to two layers
Closely.
Invention content
The object of the present invention is to provide a kind of double-layer coextrusion formula extruders for cable processing, overcome the prior art
Deficiency, two extruders are connected by a double-layer coextrusion jig, realize it is double-deck disposable squeeze out, greatly improve
The processing effect of cable, effectively raises the compactness between multilayer wrapping layer, while equipment making is simple, maintenance side
Just, it is wide to be applicable in model.
To solve the above problems, the technical solution used in the present invention is as follows：
A kind of double-layer coextrusion formula extruder for cable processing, including horizontal extruder, inclination extruder and bilayer are total
Jig is squeezed, inclination extrusion drive end unit is connected to fixing support rack by connector hinge, front end is hinged by connector
There is upper and lower stretching structure, front end extruder head angle, the double-layer coextrusion are adjusted by upper and lower stretching structure raising and lowering
Jig is equipped with two feed inlets, the setting of one of feed inlet connects in double-layer coextrusion jig side and horizontal extruder extruder head
It connects, the setting of another feed inlet is connect by connection fixture with extruder extruder head is tilted above double-layer coextrusion jig.
Further, the inclination extruder angle of inclination is 45 degree, and tail portion is equipped with buffering hopper, the buffering hopper
Top is equipped with charge pipe, and the charge pipe extends to horizontal extruder tail portion and is connected with loading hopper, and the loading hopper is logical
Link is crossed to be fixed on horizontal extruder.
Further, the charge pipe is equipped with suction device.
Further, the stretching structure up and down is hydraulic cylinder structure and bottom is equipped with control handle.
Further, further include air-introduced machine and air intake duct, described air intake duct one end connect with air-introduced machine air inlet, the other end
It is connected with cone-shaped hood, the cone-shaped hood is arranged right over double-layer coextrusion jig, for by the gas of the generation in extrusion
Taste siphons away.
Further, guide die sleeve, water inlet pipe and outlet pipe, the material guiding die are equipped with outside the double-layer coextrusion jig
Set is arranged for two at two end of double-layer coextrusion jig, is internally located at two end positions and is respectively equipped with extrusion mold core one and squeezes out mold core
Two, it is equipped with cooling device between the extrusion mold core one and extrusion mold core two, the extrusion mold core one is controlled with double-layer coextrusion
The feed inlet connection of tool top, the extrusion mold core two are connect with the feed inlet of double-layer coextrusion jig side.
Further, the cooling device includes intermediate passage and the cooling water pipe that is wrapped in outside passage, described
Cooling water pipe one end connect with water inlet pipe, the other end is connect with outlet pipe.
Further, the guide die sleeve is internally provided with includes charging with the matched circular hole of cable, the guide die sleeve
The Circularhole diameter of guide die sleeve and discharging guide die sleeve, the charging guide die sleeve is less than discharging guide die sleeve Circularhole diameter.
Further, the extrusion mold core one and extrusion mold core two are circular cavity, and outer shroud is equipped with and inner cavity connects
Logical feed pipe, multiple discharge holes are evenly equipped in inner ring, and the discharge hole is bellmouth.
Further, the connection fixture bottom be equipped with coordinate with double-layer coextrusion jig pyramidal structure, top equipped with
Tilt 45 degree slopes of extruder extruder head cooperation, described 45 degree of slopes are equipped with conical opening, inside the connection fixture
Equipped with the conveyance conduit that conical opening is extended to bottommost.
Compared with prior art, implementation result of the invention is as follows by the present invention：
A kind of double-layer coextrusion formula extruder for cable processing of the present invention, by a double-layer coextrusion jig by two
Platform extruder connects, and realizes the double-deck disposable extrusion, greatly improves the processing effect of cable, effectively raise more
Compactness between layer wrapping layer, while equipment making is simple, it is easy to maintain, it is wide to be applicable in model.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is double-layer coextrusion jig internal structure schematic diagram.
Fig. 3 is connection fixture internal structure schematic diagram.
Fig. 4 is cooling device structural schematic diagram.
Fig. 5 is to squeeze out mold insert structure schematic diagram.
Specific implementation mode
With reference to embodiment, the invention will be further described, but the present invention is not limited to these instances, and is being de-
Under the premise of from present inventive concept, carried out by it is any improvement be within the scope of the present invention.
Embodiment one
As shown, a kind of double-layer coextrusion formula extruder for cable processing of the present invention, including horizontal extrusion
Machine 1 tilts extruder 2 and double-layer coextrusion jig 3, and 2 tail portion of inclination extruder is connected to fixation by the hinge of connector 31
Supporting rack 3, front end are connected to upper and lower stretching structure 4 by the hinge of connector 31, are adjusted by 4 raising and lowering of upper and lower stretching structure
Whole front end extruder head angle, the double-layer coextrusion jig 3 is equipped with two feed inlets, one of feed inlet is arranged in bilayer
Co-extrusion jig side is connect with 1 extruder head of horizontal extruder, the setting of another feed inlet passes through company above double-layer coextrusion jig
It connects jig 6 and is connect with 2 extruder head of extruder is tilted；2 angle of inclination of inclination extruder is 45 degree, and tail portion is equipped with buffering and expects
Bucket 21,21 top of buffering hopper are equipped with charge pipe 7, and the charge pipe 7 extends to 1 tail portion of horizontal extruder and connects
It is connected to loading hopper 8, the loading hopper 8 is fixed on by link on horizontal extruder 1；The charge pipe is equipped with suction
Device 71；The stretching structure up and down 4 is hydraulic cylinder structure and bottom is equipped with control handle 41；The double-layer coextrusion is controlled
5 outside of tool is equipped with guide die sleeve 51 (52）, water inlet pipe 56 and outlet pipe 57, the guide die sleeve be two settings bilayer altogether
Two end of jig is squeezed, two end positions is internally located at and is respectively equipped with extrusion mold core 1 and squeezes out mold core 2 54, the extrusion mold core
One 53 and squeeze out and be equipped with cooling device 55 between mold core 2 54, it is described squeeze out mold core 1 with above double-layer coextrusion jig into
Material mouth connects, and the extrusion mold core 2 54 is connect with the feed inlet of double-layer coextrusion jig side；The cooling device 55 wraps
The cooling water pipe 551 for including intermediate passage and being wrapped in outside passage, described 551 one end of cooling water pipe connect with water inlet pipe
It connects, the other end is connect with outlet pipe；The guide die sleeve 51 (52）It is internally provided with and the matched circular hole of cable, the guide
Die sleeve includes charging guide die sleeve 51 and discharging guide die sleeve 52, and the Circularhole diameter of the charging guide die sleeve, which is less than discharging, leads
Expect die sleeve Circularhole diameter；The extrusion mold core 1 and to squeeze out mold core 2 54 be circular cavity, outer shroud be equipped with it is interior
The feed pipe of chamber connection, is evenly equipped with multiple discharge holes 534 in inner ring；The discharge hole is bellmouth；The connection fixture
Bottom is equipped with the pyramidal structure 61 coordinated with double-layer coextrusion jig, top is equipped with 45 degree coordinated with inclination extruder extruder head tiltedly
Slope 62, described 45 degree of slopes are equipped with conical opening 63, and the connection fixture is internally provided with extends to bottommost by conical opening
Conveyance conduit.
Embodiment two
As shown, a kind of double-layer coextrusion formula extruder for cable processing of the present invention, including horizontal extrusion
Machine 1, inclination extruder 2, double-layer coextrusion jig 3, air-introduced machine 91 and air intake duct 9,2 tail portion of inclination extruder pass through connection
Part 31 hinge be connected to fixing support rack 3, front end by connector 31 hinge be connected to up and down stretching structure 4, by up and down stretch knot
4 raising and lowering of structure adjusts front end extruder head angle, and the double-layer coextrusion jig 3 is equipped with two feed inlets, wherein one
The setting of a feed inlet is double-layer coextrusion jig side is connect with 1 extruder head of horizontal extruder, the setting of another feed inlet is in bilayer
It is connect by connection fixture 6 with 2 extruder head of extruder is tilted above co-extrusion jig；2 angle of inclination of inclination extruder is
45 degree, tail portion is equipped with buffering hopper 21, and 21 top of buffering hopper is equipped with charge pipe 7, and the charge pipe 7 extends to water
1 tail portion of flat extruder and it is connected with loading hopper 8, the loading hopper 8 is fixed on by link on horizontal extruder 1, is convenient for
Tilt extruder feeding；The charge pipe is equipped with suction device 71；The stretching structure up and down 4 be hydraulic cylinder structure,
And bottom is equipped with control handle 41；Described 9 one end of air intake duct is connect with air-introduced machine air inlet, the other end is connected with cone-shaped hood,
The cone-shaped hood is arranged right over double-layer coextrusion jig, for siphoning away the smell of the generation in extrusion；Described
5 outside of double-layer coextrusion jig is equipped with guide die sleeve 51 (52）, water inlet pipe 56 and outlet pipe 57, the guide die sleeve is two and sets
It sets at two end of double-layer coextrusion jig, is internally located at two end positions and is respectively equipped with extrusion mold core 1 and squeezes out mold core 2 54, it is described
Extrusion mold core 1 and squeeze out and be equipped with cooling device 55 between mold core 2 54, the extrusion mold core 1 controls with double-layer coextrusion
The feed inlet connection of tool top, the extrusion mold core 2 54 are connect with the feed inlet of double-layer coextrusion jig side；Described is cold
But device 55 includes intermediate passage and the cooling water pipe 551 that is wrapped in outside passage, described 551 one end of cooling water pipe with
Water inlet pipe connects, and the other end is connect with outlet pipe；The guide die sleeve 51 (52）It is internally provided with and the matched circular hole of cable, institute
The guide die sleeve stated includes charging guide die sleeve 51 and discharging guide die sleeve 52, and the Circularhole diameter of the charging guide die sleeve is small
In discharging guide die sleeve Circularhole diameter；The extrusion mold core 1 and to squeeze out mold core 2 54 be circular cavity, on outer shroud
Equipped with the feed pipe being connected to inner cavity, multiple discharge holes 534 are evenly equipped in inner ring；The discharge hole is bellmouth；Described
Connection fixture bottom is equipped with the pyramidal structure 61 coordinated with double-layer coextrusion jig, top is equipped with and tilts the cooperation of extruder extruder head
45 degree of slopes 62, described 45 degree of slopes are equipped with conical opening 63, and the connection fixture, which is internally provided with, extends conical opening
To the conveyance conduit of bottommost.
Claims (9)
1. a kind of double-layer coextrusion formula extruder for cable processing, it is characterised in that：Including horizontal extruder, tilt extruder
With double-layer coextrusion jig, inclination extrusion drive end unit is connected to fixing support rack by connector hinge, front end passes through connection
Part hinge is connected to upper and lower stretching structure, adjusts front end extruder head angle by upper and lower stretching structure raising and lowering, described
Double-layer coextrusion jig is equipped with two feed inlets, one of feed inlet is arranged in double-layer coextrusion jig side and horizontal extruder
Extruder head connection, another feed inlet, which are arranged above double-layer coextrusion jig, to be connected by connection fixture with extruder extruder head is tilted
It connects；Guide die sleeve, water inlet pipe and outlet pipe are equipped with outside the double-layer coextrusion jig, the guide die sleeve is two settings
At two end of double-layer coextrusion jig, it is internally located at two end positions and is respectively equipped with extrusion mold core one and squeezes out mold core two, the extrusion
Cooling device is equipped between mold core one and extrusion mold core two, described squeezes out mold core one and the feed inlet above double-layer coextrusion jig
Connection, the extrusion mold core two are connect with the feed inlet of double-layer coextrusion jig side.
2. a kind of double-layer coextrusion formula extruder for cable processing according to claim 1, it is characterised in that：Described
It is 45 degree to tilt extruder angle of inclination, and tail portion is equipped with buffering hopper, and charge pipe is equipped with above the buffering hopper, described
Charge pipe extends to horizontal extruder tail portion and is connected with loading hopper, and the loading hopper is fixed on horizontal squeeze by link
Go out on machine.
3. a kind of double-layer coextrusion formula extruder for cable processing according to claim 2, it is characterised in that：Described
Charge pipe is equipped with suction device.
4. a kind of double-layer coextrusion formula extruder for cable processing according to claim 1, it is characterised in that：Described
Upper and lower stretching structure is hydraulic cylinder structure and bottom is equipped with control handle.
5. a kind of double-layer coextrusion formula extruder for cable processing according to claim 1, it is characterised in that：Further include
Air-introduced machine and air intake duct, described air intake duct one end is connect with air-introduced machine air inlet, the other end is connected with cone-shaped hood, the cone
Shape, which is provide with, sets right over double-layer coextrusion jig, for siphoning away the smell of the generation in extrusion.
6. a kind of double-layer coextrusion formula extruder for cable processing according to claim 1, it is characterised in that：Described
Cooling device includes intermediate passage and the cooling water pipe that is wrapped in outside passage, described cooling water pipe one end and water inlet pipe
Connection, the other end are connect with outlet pipe.
7. a kind of double-layer coextrusion formula extruder for cable processing according to claim 1, it is characterised in that：Described
Guide die sleeve is internally provided with includes charging guide die sleeve and discharging material guiding die with the matched circular hole of cable, the guide die sleeve
The Circularhole diameter of set, the charging guide die sleeve is less than discharging guide die sleeve Circularhole diameter.
8. a kind of double-layer coextrusion formula extruder for cable processing according to claim 1, it is characterised in that：Described
It is circular cavity to squeeze out mold core one and squeeze out mold core two, and outer shroud is equipped with the feed pipe being connected to inner cavity, is evenly distributed in inner ring
It is bellmouth to have multiple discharge holes, the discharge hole.
9. a kind of double-layer coextrusion formula extruder for cable processing according to claim 2, it is characterised in that：Described
Connection fixture bottom is equipped with the pyramidal structure coordinated with double-layer coextrusion jig, top is equipped with and tilts the cooperation of extruder extruder head
45 degree of slopes, described 45 degree of slopes are equipped with conical opening, and the connection fixture is internally provided with extends to most bottom by conical opening
The conveyance conduit in portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611202965.4A CN106531363B (en) | 2016-12-23 | 2016-12-23 | A kind of double-layer coextrusion formula extruder for cable processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611202965.4A CN106531363B (en) | 2016-12-23 | 2016-12-23 | A kind of double-layer coextrusion formula extruder for cable processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106531363A CN106531363A (en) | 2017-03-22 |
| CN106531363B true CN106531363B (en) | 2018-09-28 |
Family
ID=58338236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611202965.4A Expired - Fee Related CN106531363B (en) | 2016-12-23 | 2016-12-23 | A kind of double-layer coextrusion formula extruder for cable processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106531363B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705893B (en) * | 2017-10-09 | 2019-07-19 | 青海欧耐特线缆有限公司 | A kind of heating cable extrusion equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100428370C (en) * | 2006-06-09 | 2008-10-22 | 王崇 | Process and apparatus for manufacturing double-core double-layer cable |
| CN201061909Y (en) * | 2007-07-13 | 2008-05-21 | 简木陞 | Double-layer plastic pipe fitting extrusion moulding machine |
| CN201179718Y (en) * | 2008-01-25 | 2009-01-14 | 高荣富 | Double-layer co-extrusion pigmentation cable conductor core extrusion frame head |
| CN203592661U (en) * | 2013-12-11 | 2014-05-14 | 湖北凯乐科技股份有限公司 | Double-layer co-extrusion die for nylon and polyethylene sheath |
| CN204604855U (en) * | 2015-04-13 | 2015-09-02 | 湖北中硕科技有限公司 | A kind of PPR pipe co-extruder head |
| CN206388569U (en) * | 2016-12-23 | 2017-08-08 | 安徽纵横高科电缆股份有限公司 | A kind of double-layer coextrusion formula extruder processed for cable |
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2016
- 2016-12-23 CN CN201611202965.4A patent/CN106531363B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN106531363A (en) | 2017-03-22 |
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