CN106684780B - The plastic-aluminum combined flame-retardant shielding electrical casing pipes of PVC and manufacturing equipment - Google Patents
The plastic-aluminum combined flame-retardant shielding electrical casing pipes of PVC and manufacturing equipment Download PDFInfo
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- CN106684780B CN106684780B CN201611264518.1A CN201611264518A CN106684780B CN 106684780 B CN106684780 B CN 106684780B CN 201611264518 A CN201611264518 A CN 201611264518A CN 106684780 B CN106684780 B CN 106684780B
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- pvc
- aluminium foil
- plastic
- electrical casing
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 33
- 239000003063 flame retardant Substances 0.000 title claims abstract description 25
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 239000005030 aluminium foil Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 238000001125 extrusion Methods 0.000 claims description 29
- 239000000498 cooling water Substances 0.000 claims description 23
- 238000004513 sizing Methods 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 12
- 238000005253 cladding Methods 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 238000007605 air drying Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract description 23
- 239000000463 material Substances 0.000 abstract description 19
- 238000005452 bending Methods 0.000 abstract description 9
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000003475 lamination Methods 0.000 abstract description 3
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 238000005121 nitriding Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000004381 surface treatment Methods 0.000 description 4
- 235000019628 coolness Nutrition 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 240000000233 Melia azedarach Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of plastic-aluminum combined flame-retardant shielding electrical casing pipes of PVC, including PVC internal layers and PVC outer layers, and aluminium foil layer is equipped between the PVC internal layers and PVC outer layers.Due to being equipped with aluminium foil layer between the PVC internal layers and PVC outer layers, on the one hand the aluminium foil layer can play the shielding action of the interference to external electric signal, improve the stability and reliability of electric wire transmission telecommunications number in pipe sleeve, the aluminium foil layer is electrically conductive simultaneously, metal intercommunication can be realized after cable conduct being contacted by special accessory, can have ground wire function, there is wire short-circuiting or artificially touches electric wire, electric current can be conducted by aluminium foil on the ground, would not constitute electric shock to human body.Infrared heating makes surface melting fill the second through-hole of aluminium foil, is formed to be in close contact with PVC internal layers and be closed, when being molded PVC outer layers again, PVC material fills first through hole, make the phase that can also be formed with PVC outer layers to be in close contact, ensure the flexibility of pipe bending, when bending is not easy lamination occur.
Description
Technical field
The present invention relates to tubing technical field more particularly to a kind of plastic-aluminum combined flame-retardant shielding electrical casing pipes of PVC and manufactures
Equipment.
Background technology
Existing cable conduct be essentially all using plastic materials such as PVC, although its light weight, installation are also convenient for,
Since it does not have good anti-flammability, there are some potential safety problemss when being used as cable conduct.PVC material can not simultaneously
External signal is shielded, is easy to interfere the electric signal in electric wire, influences the stability of electric signal transmission.
Invention content
The invention mainly solves the technical problem of providing a kind of plastic-aluminum combined flame-retardant shielding electrical casing pipes of flat PVC and manufactures
Equipment, the plastic-aluminum combined flame-retardant shielding electrical casing pipes of the PVC can be to avoid the electrical casing pipe poor fires and electricity of unitary plastic material
Signal is easy to be disturbed phenomenon, improves the safety of electrical casing pipe and the stability of electric signal transmission.
In order to solve the above technical problem, the present invention provides a kind of plastic-aluminum combined flame-retardant shielding electrical casing pipes of PVC, the PVC
Plastic-aluminum combined flame-retardant shielding electrical casing pipe includes PVC internal layers and PVC outer layers, and aluminium is equipped between the PVC internal layers and PVC outer layers
Layers of foil.
It further says, the pipe thickness of the electrical casing pipe is 1.8mm.
It further says, the first through hole that is relatively large in diameter and diameter of the aluminium foil layer equipped with netted cross-distribution are smaller
The second through-hole, wherein PVC internal layer surfaces are filled in the second through-hole, and PVC superficies are filled in first through hole.
The present invention also provides a kind of plastic-aluminum combined flame-retardant shielding electrical casing pipe manufacturing equipments of PVC, the PVC is plastic-aluminum combined fire-retardant
Shielding electrical casing pipe manufacturing equipment includes：First Screw Extrusion module, the second Screw Extrusion module, aluminium foil cladding welding module,
Heated-air drying module, sizing water tank, cooling water tank, traction module, cutting machine and each module coordination working control module of control.
It further says, the first Screw Extrusion module is XB-65/25 type single screw extrusion machines.
It further says, the second Screw Extrusion module is XB-50/28 type single screw extrusion machines.
It further says, the sizing water tank includes carrying out sizing and cooling vacuum spray cooling water tank to tubing, should
Vacuum spray cooling water tank is equipped with water circulating pipe, which is equipped with and slips through the net and bypass circuit access, is sprayed in vacuum
It drenches and is equipped with sizing disk in cooling water tank.
It further says, the cooling water tank is connected to by pipeline with cooling water to tubing water logging cooling again.
It further says, 20 type Vacuum shaping water tank of the sizing water tank.
It further says, the cooling water tank is 20 type cooling water tanks.
It further says, the cutting machine is 20 type Chipless cutting machines.
It further says, the manufacturing equipment further includes first that netted cross-distribution is formed on its surface when aluminium foil unreels
The perforating device of through-hole and the second through-hole, the perforating device and control module.
The plastic-aluminum combined flame-retardant shielding electrical casing pipes of PVC of the present invention, including PVC internal layers and PVC outer layers, in the PVC internal layers
Aluminium foil layer is equipped between PVC outer layers.Due to being equipped with aluminium foil layer, one side of the aluminium foil layer between the PVC internal layers and PVC outer layers
Face can play the shielding action of the interference to external electric signal, improve in pipe sleeve the stability of electric wire transmission telecommunications number and
Reliability, while the aluminium foil layer is electrically conductive, and metal intercommunication can be realized after electrical casing pipe being contacted by special accessory,
Can have ground wire function, wire short-circuiting occur or artificially touch electric wire, electric current can be conducted by aluminium foil to ground,
Electric shock would not be constituted to human body.Surface melting is set to fill the second through-hole of aluminium foil by the way of infrared heating, thus with
It is formed to be in close contact between PVC internal layers and be closed, when PVC internal layers are molded outside the PVC internal layers to coating aluminium foil again, molten condition
PVC cladding materials fill first through hole, make the phase that can also be formed with PVC outer layers and are in close contact, ensure the flexibility of pipe bending, curved
It is not easy lamination occur when bent.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, and the attached drawing in describing is the one of the present invention
A little embodiments to those skilled in the art, can also be according to these under the premise of not making the creative labor
Attached drawing obtains other accompanying drawings.
Fig. 1 is the plastic-aluminum combined flame-retardant shielding electrical casing pipe example structure schematic cross-sections of PVC.
With reference to embodiment, and with reference to attached drawing, the realization, the function and the advantages of the object of the present invention are made furtherly
It is bright.
Specific implementation mode
In order to keep the purpose, technical scheme and advantage of invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is invention one
Section Example, and the still embodiment of whole.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides a kind of plastic-aluminum combined flame-retardant shielding electrical casing pipe embodiments of PVC.
The plastic-aluminum combined flame-retardant shielding electrical casing pipes of the PVC include setting PVC internal layers 1 and PVC outer layers 2, in the PVC internal layers 1
Aluminium foil layer 3 is equipped between PVC outer layers 2.The pipe thickness of the electrical casing pipe is 1.8mm.
Specifically, after the PVC internal layers 1 are by extrusion forming, after the 1 outer cladding aluminium foil layer 3 of PVC internal layers, then it is right
The infrared heating for coating aluminium foil layer 3, can be in close contact with PVC internal layers 1, then the PVC internal layers 1 for coating aluminium foil layer 3 are passed through
Secondary extrusion forms PVC outer layers 2, then the infrared heating to coating aluminium foil layer 3 outside the PVC internal layers 1 of cladding aluminium foil layer 3, makes it
Close contact can be formed with PVC internal layers 1 and PVC outer layers 2.PVC outer layers and PVC internal layers use or addition has flame-retarding characteristic
Material.
Due to being equipped with aluminium foil layer between the PVC internal layers and PVC outer layers, on the one hand which can play to outside
The shielding action of the interference of electric signal improves the stability and reliability of electric wire transmission telecommunications number in pipe sleeve, while the aluminium
Layers of foil is electrically conductive, can realize metal intercommunication after electrical casing pipe being contacted by special accessory, can have ground wire work(
Can, there is wire short-circuiting or artificially touch electric wire, electric current can decompose underground by aluminium foil, would not be to human body structure
At electric shock.Using the aluminium foil using infrared heating cladding, ensure the flexibility of pipe bending, when bending is not easy point
Layer phenomenon.
It combines closely to preferably be formed PVC internal layers 1 and PVC outer layers 2, netted friendship is equipped on the aluminium foil layer 3
The first through hole being relatively large in diameter and the second through-hole that diameter is smaller, wherein PVC internal layer surfaces for pitching distribution are filled in the second through-hole,
PVC superficies are filled in first through hole.Surface melting is set to fill the second through-hole of aluminium foil by the way of infrared heating, thus with
It is formed to be in close contact between PVC internal layers and be closed, when PVC internal layers are molded outside the PVC internal layers to coating aluminium foil again, molten condition
PVC cladding materials fill first through hole, make the phase that can also be formed with PVC outer layers and are in close contact, ensure the flexibility of pipe bending, curved
It is not easy lamination occur when bent.The second through-hole of diameter of the first through hole is because in PVC after formable layer
There is certain solidification on its surface, can not make PVC internal layer surfaces can be with filling aluminum PVC internal layer surfaces coat aluminium foil even if immediately
The second through-hole being distributed on foil, thus by assisting heating, such as infrared heating enables PVC internal layer surfaces to fill the second through-hole, together
When do not make yet because over-heating make PVC internal layers fusing deformation.Second through-hole is to be molded PVC again after PVC internal layers coat aluminium foil
Be filled when outer layer, when the outer formable layers of the PVC, PVC material be in approximate fluid can shape, it is logical so as to fill first by squeezing
Hole is easy to fill when being heated by PVC internal layers, can not be formed with PVC outer layers tightly if first through hole is identical as the second through-hole diameter
Close combination.
This casing uses fire proofing, it is ensured that electrical casing pipe itself will not be combustion-supporting；
Signal shielding, pipeline middle layer are aluminium foil, can play the role of signal shielding, prevent signal between line and line dry
It disturbs, especially for the more family of intelligent equipment, many circuits may be that a pipe is multi-thread or multitube is multi-thread, anti-stop signal
It interferes with each other even more abnormal important；
Conducting wire is conductive, and such electrical casing pipe can not only thread conducting wire, electrical casing pipe is altered Lian Houneng by special accessory
It enough realizes metal intercommunication, can have ground wire function, if there is wire short-circuiting or artificially touch electric wire, electric current can lead to
It crosses aluminium foil and decomposes underground, electric shock would not be constituted to human body, can effectively ensure owner's personal safety, especially
The personal safety of old man and child.
Convenient for bending, the aluminium foil among pipeline is coated using infrared heating, increases the flexibility of pipe bending, is bent
Performance is more preferable, more superior.Experiments have shown that,Plastic-aluminum electrical casing pipe, 90 degree, 180 degree, under 360 degree of bending conditions, it is not stratified, no
Fracture；
Resistance to compression anti-impact, it is demonstrated experimentally that the electrical casing pipe come out using plastic-aluminum technique productions, resistance to compression impact capacity is more
By force, due to intermediate mostly one layer of metal aluminum foil, it can effectively prevent cement mortar from entering pipeline lining, block pipeline, make pipeline
Threading is more unimpeded.
The present invention also provides a kind of plastic-aluminum combined flame-retardant shielding electrical casing pipe manufacturing equipment embodiments of PVC.
The plastic-aluminum combined flame-retardant shielding electrical casing pipe manufacturing equipments of the PVC include：First Screw Extrusion module, the second screw rod squeeze
Go out module, aluminium foil cladding welding module, heated-air drying module, sizing water tank, cooling water tank, traction module and each module association of control
Adjust working control module.The wherein described first Screw Extrusion module is molded for PVC internal layers 1, the second Screw Extrusion module
PVC outer layers 2 for the PVC internal layers 1 for having coated aluminium foil layer 3 are used for PVC outer layers 2 and are molded, the aluminium foil coats welding module
For aluminium foil layer 3 to be coated on PVC internal layers 1, the heated-air drying module is for reducing shrink material.The sizing water tank is used
State sizing when being molded to casing, the cooling and shaping when cooling water tank is to being used to be molded casing, the traction module
For being drawn to molding casing.
Specifically, the first Screw Extrusion module, the second Screw Extrusion module, aluminium foil cladding welding module, hot wind
The prior art may be used to realize in irradiation modules, sizing water tank, cooling water tank, traction module and each module of control etc., also wraps
Include necessary tube extrusion die and aluminium foil coating mould.In the present embodiment, the first Screw Extrusion module, the second screw rod
Squeeze out module, aluminium foil cladding welding module, heated-air drying module, sizing water tank, cooling water tank, traction module and each module of control
Co-ordination control module can be realized using the prior art.As the first Screw Extrusion module uses XB-65/25 type list spiral shells
Bar extruder, the second Screw Extrusion module use XB-50/28 type single screw extrusion machines.The 25 type Vacuum shaping of sizing water tank
Water tank, the cooling water tank are 20 type cooling water tanks.The traction module uses two pawl draggers.
It for the ease of producing, transporting storage, cuts into need length in time, the manufacturing equipment is additionally provided with and control module
20 type Chipless cutting machines may be used in the cutting machine of signal connection, the cutting machine.
In order to enable aluminium foil to combine closely with PVC internal layers and the formation of PVC outer layers, the manufacturing equipment further includes that aluminium foil unreels
When be formed on its surface netted cross-distribution first through hole and the second through-hole perforating device, the perforating device with control mould
Block.
In order to further illustrate the plastic-aluminum combined flame-retardant shielding electrical casing pipe manufacturing process of specific PVC, specific equipment composition
It is as follows：One, XB-65/25 types single screw extrusion machine
Due to the screw rod and the design of novel barrel using optimization, extruder is made to have the following advantages that：Height plasticizing, melt are equal
Even, production continuous-stable.The characteristics of high performance gearbox speed reduction machine has torque big, long lifespan, low noise.Drive motor is
Alternating current generator is controlled using variable-frequency governor.
1) model：XB-65/25
2) screw rod
--- diameter：65mm
--- draw ratio：25：1
--- material：38CrMoAl A
--- surface treatment：Nitriding, polishing
--- maximum (top) speed：120r/min
4) machine barrel
--- material：38CrMoAl A
--- inner surface treatment：Nitriding, spread out mill
--- computer heating control area：4 areas
--- mode of heating：Cast aluminium heating collar
--- heating power：3.6KW×4
--- cooling system：Machine barrel wind turbine cools down
--- cooling power：0.25kw×4
5) reduction box (state's cyclopentadienyl)
--- model:ZLYJ200-14
--- babinet material：HT200
--- gear forms：Helical gear
--- gear surface is heat-treated：The flank of tooth quenches
--- axial wood matter：40Cr
6) motor
--- mode：Alternating current generator
--- power：15kw (big-and-middle)
--- rotating speed：1480 revs/min
7) electric machine controller
--- mode：Frequency control (blue sea Hua Teng)
--- power supply：3N×380V×50Hz
8) electrical equipment
Electric control system instrument controls temp controlled meters (Europe dragoness) contactors (Schneider) air switches (De Lixi)
Two, tube extrusion die
1) mode：Replaceable mouth, core model.
2) specification：
3) mold material uses 40Cr, inner flow passage to be handled using hard chrome plating, and corrosion resistance is strong.
4) the matched calibration sleeve of mold is made of alloyed copper.Connecting flange uses 45#.
5) mold heating collar uses stainless steel mica heating collar, and power attenuation is low, thermal-stable, and service life is long.
6) standard component uses 12.9 grade high-strength screws, it is ensured that extrusion die overall performance.
Three, 25 type Vacuum shaping water tank
The main function of Vacuum shaping water tank is to carry out sizing, cooling to tubing.Sizing water tank is divided to two sections of sizing coolings:Before
1.5 meters of vacuum spray coolings of section, 2 meters of water logging coolings of back segment.It is mounted with that a large scale is slipped through the net and one on water circulation path
Bypass circuit access, meanwhile, there is water level and the unique automatic monitoring of water temperature, sizing disk is mounted on Vacuum shaping water tank, cold
Water is directly contacted with plastic tube by circular passage.
--- vacuum pump：2.2kwX1
--- water pump：2.2kwX1
--- groove body material：Stainless steel (place of contact water)
--- specification：Φ20mm
--- each specification matches corresponding caulking gum
--- length:3500mm
--- it is moved forward and backward using electronic
--- mobile motor power：0.75Kw
--- stroke (lead screw movement)：1000mm
--- center is high：1000±50mm
Four, 20 type aluminium foils coat bonding machine
Aluminium flake is used and is unreeled automatically, and by idler wheel fixture block by aluminium flake cans, and is coated on tubing, which uses
Automatic Control, aluminium flake heating use infrared heater.
--- curling quantity:6 groups
--- driving motor power：1.1KW
--- use ultrasonic welding machine
Five, air drier
--- power of fan：1.5KW
--- heating power：5kW
Five, XB-50/28 types single screw extrusion machine
1) model：XB-50/28
2) screw rod
--- diameter：50mm
--- draw ratio：28：1
--- material：38CrMoAl A
--- surface treatment：Nitriding, polishing
--- maximum (top) speed：90r/min
3) machine barrel
--- material：38CrMoAl A
--- inner surface treatment：Nitriding, spread out mill
--- computer heating control area：4 areas
--- mode of heating：Cast aluminium heating collar
--- heating power：3KW×4
--- cooling system：Machine barrel wind turbine cools down
4) reduction box (state's cyclopentadienyl)
--- model:ZLYJ146-10
--- babinet material：HT200
--- gear forms：Helical gear
--- gear surface is heat-treated：The flank of tooth quenches
--- axial wood matter：40Cr
5) center is high：1000mm
6) motor
--- mode：Alternating current generator
--- power：11kw (big-and-middle)
--- rotating speed：1480 revs/min
7) electric machine controller
--- mode：Frequency control (blue sea Hua Teng)
--- power supply：3N×380V×50Hz
1.3, electrical equipment
Electric control system instrument controls temp controlled meters (Omron) contactors button (Schneider) air switch：De Lixi
Six, coating mould
1) mode：Replaceable mouth mold.
2) specification：
3) mold material uses 40Cr, inner flow passage to be handled using hard chrome plating, and corrosion resistance is strong.
4) the matched calibration sleeve of mold is made of alloyed copper.Connecting flange uses 45#.
5) mold heating collar uses stainless steel mica heating collar, and power attenuation is low, thermal-stable, and service life is long.
6) standard component uses 12.9 grade high-strength screws, it is ensured that extrusion die overall performance.
Seven, 20 type cooling water tank
20 type cooling water tanks are cooled down using water logging, and cold water is directly contacted with plastic tube by circular passage.
--- groove body material：Stainless steel
--- specification：Φ20mm
--- each specification matches corresponding caulking gum
--- length:4000mm
Eight, two pawl dragger
Draft gear is designed as that tubing, compact-sized, non-maintaining structure and operation can be drawn under continuous-stable state
In it is absolute steady, be its outstanding feature.
--- mode of traction：Belt-type
--- clamp form：Pneumatic adjust automatically clamps
--- specification：
--- effective track length：1500mm
--- maximum hauling speed：12m/min
--- driving motor
1) mode：Ac variable frequency speed regulation
2) power：0.75Kw×2
3) rotating speed：1450 revs/min
4) electric machine controller：Frequency converter (blue sea Hua Teng)
5) the high 1000 ± 50mm in center
Nine, 20 type Chipless cutting machine
The thermoplastic of the cleavable certain length of pipe cutting machine, clamping device are directly installed on before and after blade, are furnished with
Protective device.
1) mode：Rotating saw blade
2) it clamps：Pneumatic system
3) outer diameter is cut：
4) stroke is cut：500mm
5) cutting blade：60X1.2
6) power of motor：0.37kw
7) air pressure：0.6-0.8Mpa
8) the high 1000 ± 50mm in center
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features, and these are changed or replace
It changes, and also makes the spirit and scope of the essence disengaging various embodiments of the present invention technical solution of corresponding technical solution.
Claims (8)
- The plastic-aluminum combined flame-retardant shielding electrical casing pipes of 1.PVC, which is characterized in that including PVC internal layers and PVC outer layers, in the PVC It is equipped with aluminium foil layer between layer and PVC outer layers, which is equipped with the first through hole being relatively large in diameter of netted cross-distribution and straight The second smaller through-hole of diameter, wherein PVC internal layer surfaces are filled in the second through-hole, and PVC superficies are filled in first through hole.
- 2. the plastic-aluminum combined flame-retardant shielding electrical casing pipes of PVC according to claim 1, which is characterized in that the electrical casing pipe Pipe thickness be 1.8mm.
- The plastic-aluminum combined flame-retardant shielding electrical casing pipe manufacturing equipments of 3.PVC, which is characterized in that including the first Screw Extrusion module, Two Screw Extrusion modules, aluminium foil cladding welding module, heated-air drying module, sizing water tank, cooling water tank, traction module, cutting Machine and each module coordination working control module of control further include that netted cross-distribution is formed on its surface when aluminium foil unreels The perforating device of one through-hole and the second through-hole, the perforating device are connect with control module.
- 4. the plastic-aluminum combined flame-retardant shielding electrical casing pipe manufacturing equipments of PVC according to claim 3, which is characterized in that described First Screw Extrusion module is XB-65/25 type single screw extrusion machines.
- 5. the plastic-aluminum combined flame-retardant shielding electrical casing pipe manufacturing equipments of PVC according to claim 3, which is characterized in that described Second Screw Extrusion module is XB-50/28 type single screw extrusion machines.
- 6. the plastic-aluminum combined flame-retardant shielding electrical casing pipe manufacturing equipments of PVC according to claim 3, which is characterized in that described Sizing water tank includes carrying out sizing and cooling vacuum spray cooling water tank to tubing, which follows equipped with water Endless tube road, the water circulating pipe are equipped with and slip through the net and bypass circuit access, and sizing disk is equipped in vacuum spray cooling water tank.
- 7. the plastic-aluminum combined flame-retardant shielding electrical casing pipe manufacturing equipments of PVC according to claim 3, which is characterized in that described Cooling water tank is connected to by pipeline with cooling water to tubing water logging cooling again.
- 8. the plastic-aluminum combined flame-retardant shielding electrical casing pipe manufacturing equipments of PVC according to claim 3, which is characterized in that described Cooling water tank is 20 type cooling water tanks, and sizing water tank is 25 type Vacuum shaping water tanks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611264518.1A CN106684780B (en) | 2016-12-30 | 2016-12-30 | The plastic-aluminum combined flame-retardant shielding electrical casing pipes of PVC and manufacturing equipment |
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|---|---|---|---|
| CN201611264518.1A CN106684780B (en) | 2016-12-30 | 2016-12-30 | The plastic-aluminum combined flame-retardant shielding electrical casing pipes of PVC and manufacturing equipment |
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| Publication Number | Publication Date |
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| CN106684780A CN106684780A (en) | 2017-05-17 |
| CN106684780B true CN106684780B (en) | 2018-11-06 |
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| CN201611264518.1A Expired - Fee Related CN106684780B (en) | 2016-12-30 | 2016-12-30 | The plastic-aluminum combined flame-retardant shielding electrical casing pipes of PVC and manufacturing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117400542B (en) * | 2023-12-14 | 2024-04-16 | 宝成重工有限公司 | Automatic casing equipment, plastic-lined composite pipe fitting and casing process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1221086A (en) * | 1998-10-07 | 1999-06-30 | 王庆昭 | Structure and making method for compound reinforced tube waved by super high molecular weight polythene |
| CN2786842Y (en) * | 2004-07-30 | 2006-06-07 | 董平 | Wire pulling tube for installing weak electricity signal transferred cable inside building |
| CN101916627B (en) * | 2010-07-30 | 2014-03-05 | 李志雄 | Production process and production device of plastic-coated thick-wall metal pipes |
| JP6048328B2 (en) * | 2013-07-04 | 2016-12-21 | 住友電装株式会社 | Shield conductor and manufacturing method thereof |
| CN203445555U (en) * | 2013-07-29 | 2014-02-19 | 佛山市日丰企业有限公司 | Wire threading pipe |
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