CN113458895A - High-temperature-resistant insulating power cable pipe - Google Patents
High-temperature-resistant insulating power cable pipe Download PDFInfo
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- CN113458895A CN113458895A CN202110763002.6A CN202110763002A CN113458895A CN 113458895 A CN113458895 A CN 113458895A CN 202110763002 A CN202110763002 A CN 202110763002A CN 113458895 A CN113458895 A CN 113458895A
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- tubular base
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- 238000005498 polishing Methods 0.000 claims abstract description 42
- 239000011347 resin Substances 0.000 claims abstract description 26
- 229920005989 resin Polymers 0.000 claims abstract description 26
- -1 polypropylene Polymers 0.000 claims abstract description 19
- 239000004743 Polypropylene Substances 0.000 claims abstract description 18
- 229920001155 polypropylene Polymers 0.000 claims abstract description 18
- 238000012661 block copolymerization Methods 0.000 claims abstract description 17
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims abstract description 7
- 150000001336 alkenes Chemical class 0.000 claims abstract description 7
- 239000000806 elastomer Substances 0.000 claims abstract description 7
- 229920001971 elastomer Polymers 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 7
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 32
- 238000000227 grinding Methods 0.000 claims description 21
- 239000002994 raw material Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 6
- QXYJCZRRLLQGCR-UHFFFAOYSA-N dioxomolybdenum Chemical compound O=[Mo]=O QXYJCZRRLLQGCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- 230000003078 antioxidant effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 239000006057 Non-nutritive feed additive Substances 0.000 claims description 3
- 239000006004 Quartz sand Substances 0.000 claims description 3
- 150000004645 aluminates Chemical class 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229940090961 chromium dioxide Drugs 0.000 claims description 3
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 claims description 3
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 claims description 3
- 239000004611 light stabiliser Substances 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- XKMZOFXGLBYJLS-UHFFFAOYSA-L zinc;prop-2-enoate Chemical compound [Zn+2].[O-]C(=O)C=C.[O-]C(=O)C=C XKMZOFXGLBYJLS-UHFFFAOYSA-L 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 7
- 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 description 5
- 239000003063 flame retardant Substances 0.000 description 5
- 230000007723 transport mechanism Effects 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/007—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for end faces of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/20—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
Abstract
The invention discloses a high-temperature-resistant insulating power cable pipe, which comprises an insulating layer, a tubular base layer and a high-temperature-resistant layer, wherein the insulating layer is arranged inside the tubular base layer, the high-temperature-resistant layer is arranged outside the tubular base layer, and the preparation method of the cable pipe comprises the following steps: adding isotactic polypropylene resin, heat-resistant insulating functional master batches, block copolymerization polypropylene, olefin block copolymerization elastomer OBC and ultrahigh molecular weight polyethylene resin into a high-speed mixer, uniformly mixing to obtain modified resin, and extruding the modified resin by using a screw extruder to obtain a tubular base layer; installing the tubular base layer obtained in the step one in a mold, respectively injecting a heat insulation layer and a high temperature resistant layer on the inner side and the outer side of the tubular base layer, taking out and cooling to room temperature; and D, processing the pipe obtained in the step two into a fixed-length pipe by using cutting equipment, and polishing and finishing the cut part by using a notch polishing device to obtain a finished product.
Description
Technical Field
The invention relates to the technical field of power cable pipes, in particular to a high-temperature-resistant insulating power cable pipe.
Background
The common high-temperature-resistant power cable pipe is formed by weaving glass fiber yarns, and the outer layer is coated with a layer of silica gel, so that the common high-temperature-resistant power cable pipe has good effects of temperature resistance, heat insulation, dust prevention, water prevention, wear resistance and the like, and can reasonably solve the problem that the electric wire is too high in environmental temperature in the using process.
The invention discloses a high-temperature-resistant flame-retardant MPP cable protection tube and a preparation method thereof, wherein the patent publication number is CN110358186A, and the manufacturing material of the high-temperature-resistant flame-retardant MPP cable protection tube comprises the following components in parts by weight: 120-130 parts of polypropylene; 30-50 parts of a filler; 20-30 parts of a flame retardant; 10-15 parts of CPE resin; 3-5 parts of polytetrafluoroethylene; 10-15 parts of a plasticizer; 4-6 parts of a lubricant; 3-5 parts of a compatibilizer; 1-3 parts of a stabilizer; 0.5-1 part of titanium dioxide; 10760.5-1.0 part of antioxidant; 15-20 parts of deionized water. The prepared MPP pipe has high flame retardance and heat resistance by adding the flame-retardant viscose fiber and the intumescent flame retardant; meanwhile, the MPP pipe is easy to obtain in manufacturing materials, low in price, free of secondary pollution and more environment-friendly.
However, the pipe is directly made by injection molding, the internal supporting effect is not good, and the pipe is easy to deform when meeting high temperature.
Disclosure of Invention
In order to overcome the above technical problems, the present invention provides a high temperature resistant insulated power cable tube, so as to solve the following technical problems:
1. the tubular product is designed into three layers, wherein a heat insulation layer is arranged inside a tubular base layer, a high temperature resistant layer is arranged outside the tubular base layer, and double protection is realized on a cable through internal and external protection;
2. and a notch polishing device is adopted to polish the cutting part of the pipe, two polishing wheels are arranged in a staggered manner, and the inner wall and the outer wall of the pipe are simultaneously processed.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a high temperature resistant insulating power cable pipe, includes heat preservation, tubulose basic unit, high temperature resistant layer, the inside of tubulose basic unit is provided with the heat preservation, the outside of tubulose basic unit is equipped with high temperature resistant layer, and the preparation method of this cable pipe includes following step:
adding isotactic polypropylene resin, heat-resistant insulation master batches, block copolymerization polypropylene, olefin block copolymerization elastomer OBC and ultrahigh molecular weight polyethylene resin into a high-speed mixer, uniformly mixing to obtain modified resin, and extruding the modified resin by using a screw extruder to obtain a tubular base layer;
and step two, mounting the tubular base layer obtained in the step one in a mold, respectively injecting a heat preservation layer and a high temperature resistant layer on the inner side and the outer side of the tubular base layer, and taking out and cooling to room temperature.
And step three, processing the pipe obtained in the step two into a fixed-length pipe by using cutting equipment, and polishing and finishing the cut part by using a notch polishing device to obtain a finished product.
As a further scheme of the invention: the tubular base layer is prepared from the following raw materials in parts by weight: 50-85 parts of isotactic polypropylene resin, 5-15 parts of block copolymerization polypropylene, 2-6 parts of olefin block copolymerization elastomer OBC, 10-25 parts of ultrahigh molecular weight polyethylene resin and 0.5-4 parts of heat-resistant insulating functional master batch.
As a further scheme of the invention: the insulating layer is made of alkali-free glass fiber.
As a further scheme of the invention: the high-temperature resistant layer is prepared from the following raw materials in parts by weight: 5-7 parts of zinc acrylate resin, 12-16 parts of ceramic micro powder, 4-10 parts of aluminate, 1-2 parts of mica powder and 10-20 parts of silicon oxide; 5-10 parts of quartz sand.
As a further scheme of the invention: the heat-resistant insulating functional master batch is prepared from the following raw materials in parts by weight: 30-55 parts of block copolymerization polypropylene resin, 1-3 parts of nano red toner, 1-3 parts of nano yellow toner, 2-5 parts of lubricant, 2-6 parts of processing aid, 0.5-2 parts of antioxidant, 1-4 parts of light stabilizer, 3-8 parts of molybdenum dioxide and 3-8 parts of chromium dioxide. .
As a further scheme of the invention: the incision polishing device comprises a base, a mounting frame, a pipe clamp, a polishing mechanism, a rotating mechanism and a conveying mechanism, wherein the mounting frame is fixedly mounted on one side of the top of the base, the conveying mechanism is mounted in the mounting frame, the pipe clamp is fixedly connected to one side of the mounting frame, the rotating mechanism is fixedly connected to the other side of the pipe clamp at the top of the base, and the polishing mechanism is mounted on the rotating mechanism.
As a further scheme of the invention: the rotating mechanism comprises a shell, a driving wheel is rotatably connected to the middle position in the shell, a motor IV is fixedly connected to one side of the shell, an output shaft of the motor IV penetrates through the shell and is fixedly connected with the driving wheel, teeth are arranged on the inner wall of the shell, a driven wheel is connected between the driving wheel and the teeth in a meshed mode, a circular plate is fixedly connected to the shell, a track is formed in the circular plate, the driven wheel extends to the outside of the circular plate and is fixedly connected with a polishing mechanism, the polishing mechanism comprises a connecting plate, a first mounting plate and a second mounting plate are fixedly connected to the two sides of the connecting plate respectively, a first motor is fixedly connected to one side of the first mounting plate, an output shaft of the first motor extends to the other side of the first mounting plate and is fixedly connected with a second polishing wheel, a second motor is fixedly connected to one side of the second mounting plate, and extends to the other side of the second mounting plate and is fixedly connected with a first polishing wheel, the first polishing wheel and the second polishing wheel are arranged in a staggered mode, and gaps are formed in the staggered positions of the first mounting plate and the second mounting plate, which are located at the staggered positions of the first polishing wheel and the second polishing wheel.
As a further scheme of the invention: the conveying mechanism comprises a connecting strip, the connecting strip is fixedly connected with the mounting frame, a connecting block is fixedly connected to the connecting strip, a hydraulic cylinder is fixedly connected to the connecting block, a movable block is fixedly connected to a piston rod of the hydraulic cylinder, a first limiting groove is formed in the connecting strip, the movable block is slidably connected with the first limiting groove, two connecting rods are rotatably connected to the other side of the connecting strip, a transmission block is rotatably connected to the two connecting rods, a reduction gearbox is fixedly connected to one side of the transmission block, a third motor is fixedly mounted on the other side of the reduction gearbox, and the third motor is connected to the reduction gearbox.
As a further scheme of the invention: the both sides of transmission piece all are provided with the planking, two the outside of planking is rotated and is connected with the telescopic link, rotate between the opposite side of telescopic link and the movable block and be connected, two the both sides position of planking all rotates and is connected with the loose wheel, the loose wheel of one side wherein, two the marginal position fixedly connected with limiting plate that the planking is close to the top, two the planking is close to the marginal rotation of lower part and is connected with a plurality of drive wheels, and is a plurality of the drive wheel is more apart from the range, the conveyer belt has been cup jointed on limiting plate, two loose wheels and a plurality of drive wheels.
As a further scheme of the invention: both sides all rotate on the planking and be connected with the gag lever post, the gag lever post is connected by both ends, and rotatable accessible bolt fastening simultaneously, the opposite side of gag lever post rotates and is connected with the runner.
As a further scheme of the invention: the telescopic link includes the stop collar, spacing groove two has been seted up on the stop collar, sliding connection has the movable rod in the stop collar, the spacing post of fixedly connected with on the movable rod, spacing post joint is in spacing groove two, install the spring between stop collar and the movable rod, the stop collar rotates with the planking to be connected, the movable rod rotates with the movable block to be connected.
The invention has the beneficial effects that:
a high-temperature-resistant insulating power cable pipe comprises a heat-insulating layer, a tubular base layer and a high-temperature-resistant layer, wherein the heat-insulating layer is arranged inside the tubular base layer, the high-temperature-resistant layer is arranged outside the tubular base layer, and double protection is achieved on a cable through internal and external protection; when tubular product motion one end moved to grinding machanism's position, the motor is three just stop work, the tubular product anchor clamps start, press from both sides tubular product tightly, it is rotatory with grinding wheel two, grinding wheel one sets up with grinding wheel two is crisscross, its intersection is polished the tubular product incision, interior outer wall is processed simultaneously, and motor four begins to work, it is rotatory to drive the drive wheel, it is rotatory along the inner wall of casing to follow the drive wheel from the driving wheel, make grinding machanism do at the uniform velocity circular motion, polish the circumference incision of tubular product, it is strong to make notched polishing effect continuity, there is not the fold, bellied situation, and the product quality is improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the notch polishing device of the present invention;
FIG. 2 is a schematic view of the mounting structure of the transfer mechanism of the present invention;
FIG. 3 is a schematic view of the overall structure of the transfer mechanism of the present invention;
FIG. 4 is a schematic view of the internal structure of the transfer mechanism of the present invention;
FIG. 5 is a schematic view of the telescopic rod of the present invention;
FIG. 6 is a schematic view of the overall construction of the grinding mechanism of the present invention;
FIG. 7 is a schematic view of the internal structure of the housing of the present invention;
fig. 8 is a schematic view of a mounting structure of the stopper rod according to the present invention.
In the figure: 1. a base; 2. a mounting frame; 3. a pipe clamp; 4. a polishing mechanism; 401. a first motor; 402. a first mounting plate; 403. a connecting plate; 404. grinding a first grinding wheel; 405. a second motor; 406. a second mounting plate; 407. grinding a second grinding wheel; 5. a rotation mechanism; 501. a track; 502. a housing; 503. a drive wheel; 504. a driven wheel; 505. teeth; 506. a circular plate; 507. a fourth motor; 6. a transport mechanism; 601. a connecting strip; 602. connecting blocks; 603. a hydraulic cylinder; 604. a limiting groove; 605. a movable block; 606. a telescopic rod; 6061. a movable rod; 6062. a spring; 6063. a limiting column; 6064. a limiting groove; 6065. a limiting sleeve; 607. a connecting rod; 608. a transmission block; 6081. a movable wheel; 6082. an outer plate; 6083. a conveyor belt; 6084. a limiting plate; 6085. a driving wheel; 609. a reduction gearbox; 610. a third motor; 611. a limiting rod; 612. a rotating wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, a high temperature resistant insulated power cable pipe includes an insulating layer, a tubular base layer, and a high temperature resistant layer, the insulating layer is disposed inside the tubular base layer, and the high temperature resistant layer is disposed outside the tubular base layer, and the preparation method of the cable pipe includes the following steps:
adding isotactic polypropylene resin, heat-resistant insulation master batches, block copolymerization polypropylene, olefin block copolymerization elastomer OBC and ultrahigh molecular weight polyethylene resin into a high-speed mixer, uniformly mixing to obtain modified resin, and extruding the modified resin by using a screw extruder to obtain a tubular base layer;
and step two, mounting the tubular base layer obtained in the step one in a mold, respectively injecting a heat preservation layer and a high temperature resistant layer on the inner side and the outer side of the tubular base layer, and taking out and cooling to room temperature.
And step three, processing the pipe obtained in the step two into a fixed-length pipe by using cutting equipment, and polishing and finishing the cut part by using a notch polishing device to obtain a finished product.
The tubular base layer is prepared from the following raw materials in parts by weight: 50-85 parts of isotactic polypropylene resin, 5-15 parts of block copolymerization polypropylene, 2-6 parts of olefin block copolymerization elastomer OBC, 10-25 parts of ultrahigh molecular weight polyethylene resin and 0.5-4 parts of heat-resistant insulating functional master batch.
The insulating layer is made of alkali-free glass fiber.
The high-temperature resistant layer is prepared from the following raw materials in parts by weight: 5-7 parts of zinc acrylate resin, 12-16 parts of ceramic micro powder, 4-10 parts of aluminate, 1-2 parts of mica powder and 10-20 parts of silicon oxide; 5-10 parts of quartz sand.
The heat-resistant insulating functional master batch is prepared from the following raw materials in parts by weight: 30-55 parts of block copolymerization polypropylene resin, 1-3 parts of nano red toner, 1-3 parts of nano yellow toner, 2-5 parts of lubricant, 2-6 parts of processing aid, 0.5-2 parts of antioxidant, 1-4 parts of light stabilizer, 3-8 parts of molybdenum dioxide and 3-8 parts of chromium dioxide.
This incision grinding device includes base 1, mounting bracket 2, tubular product anchor clamps 3, grinding machanism 4, rotary mechanism 5, transport mechanism 6, top one side fixed mounting of base 1 has mounting bracket 2, install transport mechanism 6 in the mounting bracket 2, one side fixedly connected with tubular product anchor clamps 3 of mounting bracket 2, the top of base 1 is located 3 opposite side fixedly connected with rotary mechanism 5 of tubular product anchor clamps, the last grinding machanism 4 of installing of rotary mechanism 5.
The rotating mechanism 5 comprises a shell 502, a driving wheel 503 is rotatably connected to the middle position inside the shell 502, a motor four 507 is fixedly connected to one side of the shell 502, an output shaft of the motor four 507 penetrates through the shell 502 and is fixedly connected with the driving wheel 503, teeth 505 are arranged on the inner wall of the shell 502, a driven wheel 504 is connected between the driving wheel 503 and the teeth 505 in a meshing manner, a circular plate 506 is fixedly connected to the shell 502, a track 501 is formed in the circular plate 506, the driven wheel 504 extends to the outside of the circular plate 506 and is fixedly connected with a polishing mechanism 4, the polishing mechanism 4 comprises a connecting plate 403, two sides of the connecting plate 403 are respectively and fixedly connected with a first mounting plate 402 and a second mounting plate 406, a first motor 401 is fixedly connected to one side of the first mounting plate 402, an output shaft of the first motor 401 extends to the other side of the first mounting plate 402 and is fixedly connected with a second polishing wheel 407, a second motor 405 is fixedly connected to one side of the second mounting plate 406, the second motor 405 extends to the other side of the second mounting plate 406 and is fixedly connected with a first grinding wheel 404, the first grinding wheel 404 and the second grinding wheel 407 are arranged in a staggered mode, and gaps are formed in staggered positions of the first mounting plate 402 and the second mounting plate 406, which are located at the positions where the first grinding wheel 404 and the second grinding wheel 407 are staggered.
The conveying mechanism 6 comprises a connecting strip 601, the connecting strip 601 is fixedly connected with the mounting frame 2, a connecting block 602 is fixedly connected to the connecting strip 601, a hydraulic cylinder 603 is fixedly connected to the connecting block 602, a movable block 605 is fixedly connected to a piston rod of the hydraulic cylinder 603, a first limit groove 604 is formed in the connecting strip 601, the movable block 605 is slidably connected to the first limit groove 604, the other side of the connecting strip 601 is rotatably connected with two connecting rods 607, the two connecting rods 607 are rotatably connected with a transmission block 608, a reduction gearbox 609 is fixedly connected to one side of the transmission block 608, a motor three 610 is fixedly mounted on the other side of the reduction gearbox 609, and the motor three 610 is connected to the reduction gearbox 609.
The both sides of driving block 608 all are provided with planking 6082, two the outside of planking 6082 is rotated and is connected with telescopic link 606, rotate between the opposite side of telescopic link 606 and the movable block 605 and be connected, two between planking 6082's both sides position all rotates and is connected with movable wheel 6081, movable wheel 6081 of one side wherein, two planking 6082 is close to the marginal position fixedly connected with limiting plate 6084 of top, two planking 6082 is close to the marginal rotation of lower part and is connected with a plurality of drive wheels 6085, and is a plurality of drive wheel 6085 is more apart from arranging, cup jointed conveyer belt 6083 on limiting plate 6084, two movable wheels 6081 and a plurality of drive wheel 6085.
Both sides all be connected with gag lever post 611 on the planking 6082 rotates, gag lever post 611 is connected by both ends, rotatable accessible bolt fastening simultaneously, the opposite side of gag lever post 611 rotates and is connected with runner 612.
The telescopic link 606 includes stop collar 6065, spacing groove two 6064 has been seted up on stop collar 6065, sliding connection has movable rod 6061 in the stop collar 6065, the spacing post 6063 of fixedly connected with on the movable rod 6061, spacing post 6063 joint is in spacing groove two 6064, install spring 6062 between stop collar 6065 and the movable rod 6061, stop collar 6065 rotates with planking 6082 to be connected, movable rod 6061 rotates with the movable block 605 and is connected.
The working principle of the invention is as follows:
when the notch polishing device works, firstly, the cut pipe is inserted into the mounting frame 2, the conveying mechanisms 6 can be adjusted, the hydraulic cylinder 603 is loosened, the piston rod is in a free moving state, the conveying block 608 is pushed to the right side at the moment, the limit sleeve 6065 and the movable rod 6061 slide relatively, the two conveying blocks 608 on the same side move in two directions from top to bottom, the distance between the two conveying blocks increases, the pipe is installed between the two conveying mechanisms 6, the motor three 610 is started at the moment, the motor three 610 drives the reduction gearbox 609 to rotate, the movable wheel 6081 rotates along with the rotation through the deceleration effect of the reduction gearbox 609, so that the conveying belt 6083 rotates to drive the pipe in the middle to move to one side, the conveying belt 6083 provides a certain clamping force for the pipe at the moment, the hydraulic cylinder 603 is started, the piston rod pushes the movable block 605 to move to the left side, the spring 606 is always in a compression state, and a reaction force is formed between the limit sleeve 6065 and the movable rod 6061, the pipe is clamped by the transmission block 608, meanwhile, the limit sleeve 6065 and the movable rod 6061 are in a sliding connection state to provide a buffering effect, and at the moment, the limit rod 611 is adjusted to wrap the surface of the pipe;
when one moving end of the pipe moves to the position of the polishing mechanism 4, the third motor 610 stops working, the pipe clamp 3 is started to clamp the pipe, the first motor 401 and the second motor 405 start working at the moment to respectively drive the first polishing wheel 404 and the second polishing wheel 407 to rotate, the first polishing wheel 404 and the second polishing wheel 407 are arranged in a staggered mode, the staggered positions of the grinding wheels polish the cut of the pipe, and the inner wall and the outer wall of the pipe are simultaneously processed; and the motor 507 starts to work to drive the driving wheel 503 to rotate, and the driven wheel 504 rotates along the inner wall of the shell 502 along with the driving wheel 503, so that the grinding mechanism 4 does uniform-speed circular motion to grind the circumferential notch of the pipe.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides a high temperature resistant insulating power cable pipe, includes heat preservation, tubulose basic unit, high temperature resistant layer, its characterized in that, the inside of tubulose basic unit is provided with the heat preservation, the outside of tubulose basic unit is equipped with high temperature resistant layer, and the preparation method of this cable pipe includes following step:
adding isotactic polypropylene resin, heat-resistant insulation master batches, block copolymerization polypropylene, olefin block copolymerization elastomer OBC and ultrahigh molecular weight polyethylene resin into a high-speed mixer, uniformly mixing to obtain modified resin, and extruding the modified resin by using a screw extruder to obtain a tubular base layer;
step two, mounting the tubular base layer obtained in the step one in a mold, respectively injecting a heat insulation layer and a high temperature resistant layer on the inner side and the outer side of the tubular base layer, taking out and cooling to room temperature;
and step three, processing the pipe obtained in the step two into a fixed-length pipe by using cutting equipment, and polishing and finishing the cut part by using a notch polishing device to obtain a finished product.
2. The high-temperature-resistant insulated power cable tube according to claim 1, wherein the tubular base layer is prepared from the following raw materials in parts by weight: 50-85 parts of isotactic polypropylene resin, 5-15 parts of block copolymerization polypropylene, 2-6 parts of olefin block copolymerization elastomer OBC, 10-25 parts of ultrahigh molecular weight polyethylene resin and 0.5-4 parts of heat-resistant insulating functional master batch.
3. The insulated high temperature-resistant power cable conduit according to claim 1, wherein the insulating layer is made of alkali-free glass fiber.
4. The high-temperature-resistant insulated power cable tube according to claim 1, wherein the high-temperature-resistant layer is prepared from the following raw materials in parts by weight: 5-7 parts of zinc acrylate resin, 12-16 parts of ceramic micro powder, 4-10 parts of aluminate, 1-2 parts of mica powder and 10-20 parts of silicon oxide; 5-10 parts of quartz sand.
5. The high-temperature-resistant insulated power cable pipe according to claim 2, wherein the heat-resistant insulating functional masterbatch is prepared from the following raw materials in parts by weight: 30-55 parts of block copolymerization polypropylene resin, 1-3 parts of nano red toner, 1-3 parts of nano yellow toner, 2-5 parts of lubricant, 2-6 parts of processing aid, 0.5-2 parts of antioxidant, 1-4 parts of light stabilizer, 3-8 parts of molybdenum dioxide and 3-8 parts of chromium dioxide.
6. The high temperature resistant insulated power cable conduit of claim 1, wherein the notch polishing device operates as follows:
when the notch polishing device works, firstly, the cut pipe is inserted into the mounting frame (2), the conveying mechanisms (6) can be adjusted, the hydraulic cylinder (603) is loosened, the piston rod is in a free motion state, at the moment, the driving block (608) is pushed to the right side, the limit sleeve (6065) and the movable rod (6061) slide relatively, the two driving blocks (608) on the same side move in two directions from top to bottom, the distance between the two driving blocks is increased, the pipe is installed between the two conveying mechanisms (6), at the moment, the motor III (610) is started, the motor III (610) drives the reduction gearbox (609) to rotate, the movable wheel (6081) rotates along with the reduction effect of the reduction gearbox (609), so that the conveying belt (6083) rotates to drive the pipe in the middle to move to one side, at the moment, the conveying belt (6083) provides a certain clamping force for the pipe, the hydraulic cylinder (603) is started, the piston rod of the pipe pushing device pushes the movable block (605) to move to the left side, and then the limiting rod (611) is adjusted to wrap the surface of the pipe;
when one moving end of the pipe moves to the position of the polishing mechanism (4), the motor III (610) stops working, the pipe clamp (3) is started to clamp the pipe, the motor I (401) and the motor II (405) start working at the moment, the polishing wheel I (404) and the polishing wheel II (407) are respectively driven to rotate, the polishing wheel I (404) and the polishing wheel II (407) are arranged in a staggered mode, the staggered positions of the polishing wheel I (404) and the polishing wheel II (407) polish the cut of the pipe, and the inner wall and the outer wall are simultaneously processed; and the motor IV (507) starts to work to drive the driving wheel (503) to rotate, and the driven wheel (504) rotates along the inner wall of the shell (502) along with the driving wheel (503), so that the grinding mechanism (4) does uniform-speed circular motion to grind the circumferential notch of the pipe.
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| CN202110763002.6A CN113458895A (en) | 2021-07-06 | 2021-07-06 | High-temperature-resistant insulating power cable pipe |
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| CN202110763002.6A CN113458895A (en) | 2021-07-06 | 2021-07-06 | High-temperature-resistant insulating power cable pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147573A (en) * | 2021-12-14 | 2022-03-08 | 安徽省汉诺管业股份有限公司 | Pipe polishing equipment for machining MPP cable protection pipe and working method of pipe polishing equipment |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3124931A1 (en) * | 1981-06-25 | 1983-01-20 | Erich 4176 Sonsbeck Wallich | Deburring machine |
| CN206200679U (en) * | 2016-10-20 | 2017-05-31 | 天津市明志实业发展有限公司 | A kind of planet gear type ultra high molecular polyethylene oil pipe mouth of pipe sander |
| CN108436659A (en) * | 2018-06-22 | 2018-08-24 | 当涂县金龙机械有限公司 | A kind of steel pipe incision burr remover with dedusting function |
| CN108610757A (en) * | 2016-11-30 | 2018-10-02 | 房世俊 | A kind of high-temperature resistant coating |
| CN108747626A (en) * | 2018-06-04 | 2018-11-06 | 利辛县鹏博机电设备有限公司 | A kind of five metalworking grinding devices that convenience polishes to steel pipe notch |
| CN109048535A (en) * | 2018-08-22 | 2018-12-21 | 芜湖裕优机械科技有限公司 | A kind of polishing of steel pipe nozzle is machined into grinding device |
| CN110791041A (en) * | 2019-11-04 | 2020-02-14 | 安徽杰蓝特新材料有限公司 | Enhanced hard polyvinyl chloride cable pipe |
| CN210060627U (en) * | 2019-05-23 | 2020-02-14 | 湖北塑通科技有限公司 | Surface processing device for plastic product production |
| CN110834015A (en) * | 2019-11-28 | 2020-02-25 | 王巧云 | Lubricating oil conveying equipment with pipeline cleaning assembly and working method thereof |
| CN112091741A (en) * | 2020-09-15 | 2020-12-18 | 居盛文 | Crosslinked polyethylene insulated halogen-free low-smoke flame-retardant polyolefin sheath power cable |
| CN112266516A (en) * | 2020-10-28 | 2021-01-26 | 安徽杰蓝特新材料有限公司 | Buried organic rigid reinforced and toughened alloy pipe and preparation method thereof |
| CN112625355A (en) * | 2020-12-21 | 2021-04-09 | 安徽杰蓝特新材料有限公司 | Heat-resistant insulating MPP cable pipe and preparation method thereof |
| CN112810098A (en) * | 2020-12-21 | 2021-05-18 | 安徽杰蓝特新材料有限公司 | Insulation flame-retardant MPP power cable pipe and preparation method thereof |
-
2021
- 2021-07-06 CN CN202110763002.6A patent/CN113458895A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3124931A1 (en) * | 1981-06-25 | 1983-01-20 | Erich 4176 Sonsbeck Wallich | Deburring machine |
| CN206200679U (en) * | 2016-10-20 | 2017-05-31 | 天津市明志实业发展有限公司 | A kind of planet gear type ultra high molecular polyethylene oil pipe mouth of pipe sander |
| CN108610757A (en) * | 2016-11-30 | 2018-10-02 | 房世俊 | A kind of high-temperature resistant coating |
| CN108747626A (en) * | 2018-06-04 | 2018-11-06 | 利辛县鹏博机电设备有限公司 | A kind of five metalworking grinding devices that convenience polishes to steel pipe notch |
| CN108436659A (en) * | 2018-06-22 | 2018-08-24 | 当涂县金龙机械有限公司 | A kind of steel pipe incision burr remover with dedusting function |
| CN109048535A (en) * | 2018-08-22 | 2018-12-21 | 芜湖裕优机械科技有限公司 | A kind of polishing of steel pipe nozzle is machined into grinding device |
| CN210060627U (en) * | 2019-05-23 | 2020-02-14 | 湖北塑通科技有限公司 | Surface processing device for plastic product production |
| CN110791041A (en) * | 2019-11-04 | 2020-02-14 | 安徽杰蓝特新材料有限公司 | Enhanced hard polyvinyl chloride cable pipe |
| CN110834015A (en) * | 2019-11-28 | 2020-02-25 | 王巧云 | Lubricating oil conveying equipment with pipeline cleaning assembly and working method thereof |
| CN112091741A (en) * | 2020-09-15 | 2020-12-18 | 居盛文 | Crosslinked polyethylene insulated halogen-free low-smoke flame-retardant polyolefin sheath power cable |
| CN112266516A (en) * | 2020-10-28 | 2021-01-26 | 安徽杰蓝特新材料有限公司 | Buried organic rigid reinforced and toughened alloy pipe and preparation method thereof |
| CN112625355A (en) * | 2020-12-21 | 2021-04-09 | 安徽杰蓝特新材料有限公司 | Heat-resistant insulating MPP cable pipe and preparation method thereof |
| CN112810098A (en) * | 2020-12-21 | 2021-05-18 | 安徽杰蓝特新材料有限公司 | Insulation flame-retardant MPP power cable pipe and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 中国建筑材料检验认证中心等, 中国计量出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147573A (en) * | 2021-12-14 | 2022-03-08 | 安徽省汉诺管业股份有限公司 | Pipe polishing equipment for machining MPP cable protection pipe and working method of pipe polishing equipment |
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