CN110450373A - A kind of cable insulation material extruding machine - Google Patents
A kind of cable insulation material extruding machine Download PDFInfo
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- CN110450373A CN110450373A CN201910268081.6A CN201910268081A CN110450373A CN 110450373 A CN110450373 A CN 110450373A CN 201910268081 A CN201910268081 A CN 201910268081A CN 110450373 A CN110450373 A CN 110450373A
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- 239000012774 insulation material Substances 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- 238000001125 extrusion Methods 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000004033 plastic Substances 0.000 claims abstract description 23
- 229920003023 plastic Polymers 0.000 claims abstract description 23
- 238000009826 distribution Methods 0.000 claims description 49
- 238000002955 isolation Methods 0.000 claims description 16
- 230000003247 decreasing effect Effects 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 8
- 230000021615 conjugation Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 23
- 239000002994 raw material Substances 0.000 description 9
- 238000000465 moulding Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 108010066057 cabin-1 Proteins 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- H01B13/06—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3462—Cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to field of cable technology, and in particular to a kind of cable insulation material extruding machine.The present invention includes charging pre-heating cabin, Material sucking machine, exhaust outlet, blower, air hose, second discharge port, material switching part, second feed bin, squeeze out barrel, extrusion molding head composition, it is used cooperatively using charging pre-heating cabin and the second feed bin, interconnecting piece is slided up and down with respect to the second discharge port, connecting tube opposing connections are rotated, it effectively solves to reload, it gets stuck, putty and Preheating, improved cable plastic extrusion machine head, product internal layer and the conjugation of extrusion molding layer are higher, as the voidage between insulating layer and cable or internal layer is remarkably decreased, the voidage that extrusion molding layer is formed through detection air is also remarkably decreased, further increase product insulating layer quality, improve product insulation performance.
Description
[technical field]
The present invention relates to field of cable technology, and in particular to a kind of cable insulation material extruding machine.
[background technique]
The insulating layer of cable generally uses modified polyvinyl chloride, the poly- materials such as alkene, usually by Corvic, nothing
The raw materials such as tassement polaire, high score modifying agent are made through screw extruder blending extrusion, and extrusion temperature is 170~185 DEG C.Wire and cable
Plastic insulating layer and the basic mode of sheath production are using the continuously extruded progress of single screw extrusion machine, since extruder has
Continuous the characteristics of squeezing out, so the production process of plastic insulation and sheath is also to be carried out continuously.
Have the following problems in cable plastic extrusion machining process at present: 1., since feeding chamber volume is larger, once suck
Plastic raw materials are larger, when process conversion when, added raw material is difficult to take out, and can only be squeezed out by extruding machine, waste raw material and
Time.2. in raw material cabin during material production frequent occurrence putty, get stuck and feed the problems such as irregular, influence product insulating layer
Thickness affects the quality of finished cable, reduces the security performance of cable.It is not preheated before 3. raw material enters extruding machine, enter
Easily uneven, influence cable insulation quality after extrusion is heated after extruding machine.
In order to promote extruding machine Forming Quality, there is extrusion under vacuum machine, however, extruding machine in the prior art vacuumizes
Device is primarily present following two big defects: in the vacuum plant of 1. heads, special vacuum end of incoming cables is had the gap, and vacuum degree is caused to become
Change greatly, influences final product quality；2. causing in the plastics of molten condition in plastic insulation particle generally there are there is a small amount of combination water
There are a large amount of bubbles, are cooled down immediately with water after head extrusion molding, form gap on internal or surface, seriously affect production
The Forming Quality of product；3. especially metal core and the mark simultaneous extruded product of core is easy there is the air gap, lead
It sends a telegraph cable surface bulge to be difficult to restore to the original state, has seriously affected the qualification rate of product.
[summary of the invention]
Goal of the invention of the invention is: for the problems in background technique, a kind of cable insulation material extruding machine is provided,
Effectively solution reloads, gets stuck, putty and Preheating, raising raw material supply quality, further increase product insulating layer quality, mention
High product insulation performance；Improved cable plastic extrusion machine head, product internal layer and the conjugation of extrusion molding layer are higher, such as insulating layer and line
Voidage between cable or internal layer is remarkably decreased, and the voidage that extrusion molding layer is formed through detection air is also remarkably decreased, and improves production
The quality of product and corresponding such as anti-insulation performance.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of cable insulation material extruding machine, including charging pre-heating cabin, Material sucking machine, exhaust outlet, blower, air hose, second go out
Material mouth, the second feed bin, squeezes out barrel, extrusion molding head composition at material switching part, is provided with material sucking port and first on the Material sucking machine and goes out
Material mouth, first discharge port and exhaust outlet be separately positioned on charging pre-heating cabin top, described air hose one end with plus pre-heating cabin under
Portion's connection, the other end are connected with the blower, and second discharge port is located at charging pre-heating cabin bottom, and the material socket part includes
Interconnecting piece and connecting tube, the interconnecting piece is slidably connected with the second discharge port, opposite second discharge port of interconnecting piece slides up and down, institute
State that connecting tube is rotatablely connected with the interconnecting piece, connecting tube opposing connections are rotated, the connecting tube is located at the second feed bin
Top, the second bin bottom are provided with third discharge port, and third discharge port is connected with barrel is squeezed out, and squeeze out barrel and extrusion molding head phase
Even；The extrusion molding head includes head body, vacuum plant and pressurizing device, and the head body is connect with barrel is squeezed out, described
Head body includes cable end of incoming cables and cable leading-out terminal, the vacuum plant include vacuum hole, vacuum work pipe sleeve, close into
Line lid, the vacuum hole are arranged on the vacuum work pipe sleeve, vacuum work pipe sleeve one end and the cable end of incoming cables
Airtight connection is provided with closing inlet wire lid on the vacuum work pipe sleeve other end, and the closing inlet wire, which covers, is provided with first
Spool mouth；The pressurizing device includes pressurization hole, pressurization ontology, pressure isolation part, closing outlet lid, and the pressurization hole setting exists
On the pressurization ontology, pressure isolation part is provided on described pressurization ontology one end, the pressure isolation part goes out with the cable
Line end is connected, and is provided with the second cable port on the pressure isolation part, and the pressurization ontology on pressure isolation part one end far from setting
It is equipped with closing outlet lid, the closing outlet, which covers, is provided with third cable port.
Working principle: using solid plastic insulated particle as raw material, after thinking that Material sucking machine sucking charging pre-heating cabin is preheated, warp
Second feed bin enters extrusion barrel, molten condition is further heated into squeezing out barrel, then by the ambroin of melting
It is transferred to extrusion head, through forming extrusion molding layer such as insulating layer on specific mold package to cable.The present invention is using charging preheating
Storehouse and the second feed bin are used cooperatively, and interconnecting piece is slided up and down with respect to the second discharge port, and connecting tube opposing connections are rotated, when
When needing to reload, interconnecting piece is up slided, connecting tube turns on collection device, can be realized and be reloaded easily, is solved at present once
Charging can only be from the problem of cutting off machine, take out from top.Vacuum plant, simultaneously is increased in extruder head cable inlet wire front end
And cable leading-out terminal increases pressurizing device.Vacuum plant is connect with extrusion head ontology, guarantees to form negative pressure in head body,
Promote the plastics melted when cable molding that can preferably be adsorbed on cable；Pressurization dress is increased in the molding outlet of cable
It sets, cable package molding pressurization at this time can be conducive to tightness of the plastic layer in conjunction with inner layer especially wire rope, discharge two
Plastic layer bubble is discharged in gap between person, improves product quality.Pressurized treated cable and the product phase without pressurized treatments
Than product conjugation plastic layer, if the voidage between insulating layer and cable or internal layer is remarkably decreased, insulating layer is through detecting air
The voidage of formation is also remarkably decreased, and improves the quality and corresponding such as anti-insulation performance of product.
Optimization, further include heating element and gas distribution channel in the charging pre-heating cabin, the gas distribution channel and the wind
Pipe is connected, and the heating element is located in the gas distribution channel.
It advanced optimizes, the heating element is heating wire.
It advanced optimizes, the gas distribution channel includes vertical gas distribution channel and plane gas distribution channel, the vertical gas distribution
Channel passes through the axle center of the plane gas distribution channel plane, the vertical gas distribution channel and plane gas distribution channel interior air flue phase
Logical, the vertical gas distribution channel and plane gas distribution channel surface are provided with qi-emitting hole.
It advanced optimizes, the qi-emitting hole is located at the lower surface in vertical gas distribution channel surface peace face gas distribution channel.
It advanced optimizes, the hole of qi-emitting hole is less than the diameter of material, and optimal for 5-100 μm.
It advanced optimizes, first cable port is tubaeform, tubaeform one end great Kou and the closing inlet wire lid phase
Even, tubaeform osculum one end extends into the vacuum work pipe sleeve.
It advanced optimizes, the tubaeform osculum surrounding is provided with elastic rubber.
It advanced optimizes, the vacuum work pipe sleeve outer layer is provided with heating device.
It advanced optimizes, the pressurization ontology includes speaker body and straight line ontology, and the wide opening direction of speaker body is set
It is equipped with pressure isolation part, the slot of speaker body is connect with the straight line ontology, and straight line ontology is far from setting envelope on slot one end
Outlet lid is closed, the diameter of slot is equal with straight line ontology diameter.
It advanced optimizes, pressurization ontology surrounding is provided with heating device, and the heating device is preferably heating wire.
It advanced optimizes, there are cable shaper, the shaper and head body phase in straight line body interior center
Together.
It advanced optimizes, the vacuum degree of vacuum plant is 0.4-0.6MP, and the vacuum degree of pressurizing device is 1.2-1.6MP.
Advantage: in pressurizing device, cable temperature can still keep a higher level at this time, be conducive to bubble discharge,
With the recovery of cable plastics after bubble discharge, preventing from being discharged in bubble influences product quality；It is wired at straight line body interior center
Cable shaper, further increases product quality, and cable appearance has an impact after preventing bubble to be discharged.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. the present invention is used cooperatively using charging pre-heating cabin and the second feed bin, interconnecting piece on the second discharge port with respect to gliding
Dynamic, connecting tube opposing connections are rotated, and when needing to reload, interconnecting piece is up slided, connecting tube turns to collection device
On, it can realize and reload easily, solve the problem of that at present once charging can only take out from machine is cut off from top.In extruding machine machine
Head cable inlet wire front end increases vacuum plant and cable leading-out terminal increases pressurizing device.Promote to melt when cable molding
Plastics can preferably be adsorbed on cable；Pressurizing device is increased in the molding outlet of cable, cable package molding at this time
Pressurization can be conducive to tightness of the plastic layer in conjunction with inner layer especially wire rope, and gap between the two is discharged, and plastic layer is discharged
Bubble improves product quality.Pressurized treated cable is compared with the product without pressurized treatments, product internal layer and extrusion molding layer
Conjugation it is higher, if the voidage between insulating layer and cable or internal layer is remarkably decreased, insulating layer through detection air formed
Voidage is also remarkably decreased, and improves the quality and corresponding such as anti-insulation performance of product.
2. the present invention is simultaneously using charging pre-heating cabin, the gas distributing pipeline to feed in pre-heating cabin is connect with air hose, gas distribution channel
It is divided into vertical gas distribution channel and plane gas distribution channel, is evenly distributed in charging pre-heating cabin, by air blast, promotes storeroom fortune
It is dynamic, it effectively solves the problems, such as to get stuck, putty.Charging pre-heating cabin and the second feed bin be used cooperatively, the second feed bin storage of raw materials amount compared with
It is small, it as middle conversion, can also effectively solve the problems, such as to feed irregular, effectively avoiding that charging is uneven, gets stuck etc. causes insulating layer
The problem of thickness deficiency causes product insulating properties to reduce.
3. the present invention is provided with heating element in gas distribution channel, even heat is distributed to by charging pre-heating cabin by wind
It is interior, it prevents amount of localized heat excessively high, product is caused to dissolve and stick together, so that the problem that gets stuck, can also carry out product
Other volatile impurity such as moisture removal are removed in preheating, improve subsequent product quality.
4. cable entry end i.e. the first cable port in vacuum plant is set as tubaeform, tubaeform one end great Kou with it is described
It closes inlet wire lid to be connected, tubaeform osculum one end extends into the vacuum work pipe sleeve, effectively reduces because cable enters shadow
Loud vacuum degree variation, guarantees vacustat.
5. cable temperature can still keep a higher level at this time in pressurizing device, be conducive to bubble discharge, it is gentle
The recovery of cable plastics after bubble discharge, preventing from being discharged in bubble influences product quality；There is cable fixed at straight line body interior center
Pattern tool, further increases product quality, and cable appearance has an impact after preventing bubble to be discharged.
[Detailed description of the invention]
Fig. 1 cable insulation material extruding machine charging gear structural schematic diagram of the present invention；
Enlarged drawing at A in Fig. 2 Fig. 1；
Fig. 3 cable insulation material extruding machine charging gear charging pre-heating cabin structural schematic diagram of the present invention；
Enlarged drawing at B in Fig. 4 Fig. 3；
The extrusion molding header structure schematic diagram of Fig. 5 cable insulation material extruding machine of the present invention；
In attached drawing, 1- charging pre-heating cabin, 2- Material sucking machine, 3- exhaust outlet, 4- blower, the second discharge port of 6-, the switching of 7- material
Portion, 11- heating element, 12- gas distribution channel, the second feed bin of 8-, 9- squeeze out barrel, 21- material sucking port, the first discharge port of 22-, 31-
Vacuum hole, 32- vacuum work pipe sleeve, 33- closing inlet wire lid, 40- air hose, 41- pressurization hole, 42- pressurization ontology, 43- pressure every
Exhausted part, 44- closing outlet lid, 71- interconnecting piece, 72- connecting tube, 81- third discharge port, 91- extrusion molding head, the vertical gas distribution of 121- are logical
Road, 122- plane gas distribution channel, 331- First Line nozzle, 441- third cable port, 421- speaker body, 422- straight line ontology,
910- head body, 911- cable end of incoming cables, 912- cable leading-out terminal.
[specific embodiment]
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Embodiment 1
A kind of cable insulation material extruding machine, including charging pre-heating cabin 1, Material sucking machine 2, exhaust outlet 3, blower 4, air hose 40,
Second discharge port 6, the second feed bin 8, squeezes out barrel 9, the composition of extrusion molding head 91 at material switching part 7, is provided on the Material sucking machine 2
Material sucking port 21 and the first discharge port 22, first discharge port 22 and exhaust outlet 3 are separately positioned on charging 1 top of pre-heating cabin, institute
State 40 one end of air hose with plus 1 lower part of pre-heating cabin connect, the other end is connected with the blower 4, second discharge port 6 is positioned at feeding
1 bottom of pre-heating cabin, the material socket part 7 include interconnecting piece 71 and connecting tube 72, and the interconnecting piece 71 and the second discharge port 6 slide
Connection, interconnecting piece 71 are slided up and down with respect to the second discharge port 6, and the connecting tube 72 is rotatablely connected with the interconnecting piece 71, connect
72 opposing connections 71 of pipe are rotated, and the connecting tube 72 is located at 8 top of the second feed bin, and 8 bottom of the second feed bin is provided with
Three discharge ports 81, third discharge port 81 are connected with barrel 9 is squeezed out, and squeeze out barrel 9 and are connected with extrusion molding head 91；The extrusion molding head includes
Head body 910, vacuum plant and pressurizing device, the head body are connect with barrel 9 is squeezed out, and the head body 910 is wrapped
Include cable end of incoming cables 911 and cable leading-out terminal 912, the vacuum plant include vacuum hole 31, vacuum work pipe sleeve 32, close into
Line lid 33, the vacuum hole 31 are arranged on the vacuum work pipe sleeve 32, described 32 one end of vacuum work pipe sleeve and the line
11 airtight connection of cable end of incoming cables is provided with closing inlet wire lid 33, the closing inlet wire on 32 other end of vacuum work pipe sleeve
First Line nozzle 331 is provided on lid 33；The pressurizing device includes pressurization hole 41, pressurization ontology 42, pressure isolation part 43, envelope
Outlet lid 44 is closed, the pressurization hole 41 is arranged on the pressurization ontology 42, is provided with pressure on described 42 one end of pressurization ontology
Insulating element 43, the pressure isolation part 43 are connected with the cable leading-out terminal 12, are provided with second on the pressure isolation part 43
Cable port (not shown), the pressurization ontology 42 far from be provided on 43 one end of pressure isolation part closing outlet lid 44, the envelope
It closes outlet and covers and be provided with third cable port 441.It further include heating element 11 and gas distribution channel 12 in charging pre-heating cabin 1, it is described
Gas distribution channel 12 is connected with the air hose 40, and the heating element 11 is located in the gas distribution channel 12.Gas distribution channel 12 includes
Vertical gas distribution channel 121 and plane gas distribution channel 122, it is flat that the vertical gas distribution channel 121 passes through plane gas distribution channel 122
The axle center in face, the vertical gas distribution channel 121 and 122 inside air flue of plane gas distribution channel communicate, the vertical gas distribution channel 121
122 surface of plane gas distribution channel is provided with qi-emitting hole.The qi-emitting hole is located at vertical 121 surface of gas distribution channel and plane gas distribution
The lower surface in channel 122.The hole of qi-emitting hole is less than the diameter of material.
In the present embodiment, the diameter of qi-emitting hole selects 5-100 μm.
Heating element 11 selects heating wire in the present embodiment, it will be understood that also can choose other heating elements, equal energy
Realize the object of the invention.
First cable port 331 be it is tubaeform, tubaeform one end great Kou is connected with the closing inlet wire lid 33, tubaeform osculum
One end extends into the vacuum work pipe sleeve 32.Tubaeform osculum surrounding is provided with elastic rubber.The vacuum work pipe sleeve
32 outer layers are provided with heating device.
The ontology 42 that pressurizes includes speaker body 421 and straight line ontology 422, and the wide opening direction of speaker body 421 is provided with pressure
Power insulating element 43, the slot of speaker body 421 are connect with the straight line ontology 422, and straight line ontology 422 on slot one end far from setting
Closing outlet lid 44 is set, the diameter of slot is equal with straight line ontology diameter.
Pressurization 42 surrounding of ontology is provided with heating device, and heating device is preferably heating wire.
422 inside center of straight line ontology has cable shaper, and shaper is identical as head body.
In the present embodiment, the vacuum degree of vacuum plant is 0.4-0.6MP, and the vacuum degree of pressurizing device is 1.2-1.6MP.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (10)
1. a kind of cable insulation material extruding machine, which is characterized in that including pre-heating cabin (1), Material sucking machine (2), exhaust outlet of feeding
(3), blower (4), air hose (40), the second discharge port (6), material switching part (7), the second feed bin (8), extrusion barrel (9), extrusion molding
Head (91) forms, and is provided with material sucking port (21) and the first discharge port (22), first discharge port (22) on the Material sucking machine (2)
With exhaust outlet (3) be separately positioned on charging pre-heating cabin (1) top, described air hose (40) one end with add pre-heating cabin (1) lower part connect,
The other end is connected with the blower (4), and second discharge port (6) is located at charging pre-heating cabin (1) bottom, the material socket part
It (7) include interconnecting piece (71) and connecting tube (72), the interconnecting piece (71) and the second discharge port (6) are slidably connected, interconnecting piece
(71) opposite second discharge port (6) slide up and down, the connecting tube (72) and the interconnecting piece (71) rotation connection, connecting tube
(72) opposing connections (71) are rotated, and the connecting tube (72) is located at the second feed bin (8) top, the second feed bin (8) bottom
It is provided with third discharge port (81), third discharge port (81) is connected with barrel (9) are squeezed out, and squeezes out barrel (9) and extrusion molding head (91)
It is connected；The extrusion molding head includes head body (910, vacuum plant and pressurizing device, the head body and extrusion barrel (9)
Connection, (910 include cable end of incoming cables (911) and cable leading-out terminal (912) to the head body, and the vacuum plant includes true
(32, closing inlet wire lid (33), the vacuum hole (31) are arranged in the vacuum work pipe sleeve for emptying aperture (31), vacuum work pipe sleeve
(32) on, described vacuum work pipe sleeve (32) one end and cable end of incoming cables (11) airtight connection, the vacuum work pipe sleeve
(32) it is provided with closing inlet wire lid (33) on the other end, is provided with First Line nozzle (331) on the closing inlet wire lid (33)；Institute
Stating pressurizing device includes pressurization hole (41), pressurization ontology (42), pressure isolation part (43), closing outlet lid (44), the pressurization
Hole (41) is arranged on the pressurization ontology (42), is provided with pressure isolation part (43), institute on described pressurization ontology (42) one end
It states pressure isolation part (43) to be connected with the cable leading-out terminal (12), is provided with the second cable on the pressure isolation part (43)
Mouthful, the pressurization ontology (42) is provided with closing outlet lid (44), the closing outlet on separate pressure isolation part (43) one end
It covers and is provided with third cable port (441).
2. a kind of cable insulation material extruding machine according to claim 1, which is characterized in that the charging pre-heating cabin is (in 1
It further include heating element (11) and gas distribution channel (12), the gas distribution channel (12) is connected with the air hose (40), the heating
Component (11) is located in the gas distribution channel (12).
3. a kind of cable insulation material extruding machine according to claim 2, which is characterized in that the heating element (11) is
Heating wire.
4. a kind of cable insulation material extruding machine according to claim 2, which is characterized in that gas distribution channel (12) packet
Vertical gas distribution channel (121) and plane gas distribution channel (122) are included, the vertical gas distribution channel (121) passes through the plane gas distribution
The internal air flue in the axle center of channel (122) plane, the vertical gas distribution channel (121) and plane gas distribution channel (122) communicates, described
Vertical gas distribution channel (121) and plane gas distribution channel (122) surface are provided with qi-emitting hole.
5. a kind of cable insulation material extruding machine according to claim 4, which is characterized in that the qi-emitting hole is located at vertical
The lower surface on gas distribution channel (121) surface and plane gas distribution channel (122).
6. a kind of cable plastic extrusion machine according to claim 1, which is characterized in that first cable port (331) is loudspeaker
Shape, tubaeform one end great Kou are connected with the closing inlet wire lid (33), and tubaeform osculum one end is to the vacuum work pipe sleeve
(32) extend in.
7. a kind of cable plastic extrusion machine according to claim 6, which is characterized in that the tubaeform osculum surrounding is provided with bullet
Property rubber.
8. a kind of cable plastic extrusion machine according to claim 1, which is characterized in that vacuum work pipe sleeve (32) outer layer is provided with
Heating device.
9. a kind of cable plastic extrusion machine according to claim 1, which is characterized in that the pressurization ontology (42) includes loudspeaker sheet
Body (421) and straight line ontology (422), the wide opening direction of speaker body (421) are provided with pressure isolation part (43), speaker body
(421) slot is connect with the straight line ontology (422), and straight line ontology (422) is far from setting closing outlet lid on slot one end
44, the diameter of slot is equal with straight line ontology diameter.
10. a kind of cable plastic extrusion machine according to claim 1, which is characterized in that the vacuum degree of vacuum plant is 0.4-
0.6MP, the vacuum degree of pressurizing device are 1.2-1.6MP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910268081.6A CN110450373A (en) | 2019-04-03 | 2019-04-03 | A kind of cable insulation material extruding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910268081.6A CN110450373A (en) | 2019-04-03 | 2019-04-03 | A kind of cable insulation material extruding machine |
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| Publication Number | Publication Date |
|---|---|
| CN110450373A true CN110450373A (en) | 2019-11-15 |
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ID=68480561
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| CN201910268081.6A Pending CN110450373A (en) | 2019-04-03 | 2019-04-03 | A kind of cable insulation material extruding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN113085126A (en) * | 2021-03-31 | 2021-07-09 | 重庆鸽牌电线电缆有限公司 | Negative pressure cleaning device and method in electric wire production process |
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