CN110349698A

CN110349698A - A kind of processing method and waterproof resistant to cook molded line cable of waterproof resistant to cook molded line cable

Info

Publication number: CN110349698A
Application number: CN201910651998.4A
Authority: CN
Inventors: 张世军
Original assignee: Shenzhen Hongya Electronic Co Ltd
Current assignee: Shenzhen Hongya Electronic Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2019-10-18
Anticipated expiration: 2039-07-18
Also published as: CN110349698B

Abstract

The invention discloses a kind of processing method of waterproof resistant to cook molded line cable and waterproof resistant to cook molded line cables, the waterproof resistant to cook molded line cable includes metal inside and insulating layer, the outside that the insulating layer is wrapped in the metal inside forms unit wires, the unit wires include more, and whole unit wires spiral windings forms main cables；It include oversheath on the outside of the main cables；The present invention is by by unit wires spiral winding, improve cable waterproofness, by dosing filler in PVC, to improve the thermal stability of PVC, by joined flame-retardant composition aluminium hydroxide and magnesium hydroxide, it is also added into zinc stearate and does lubricant, triphenyl phosphite is cooked antioxidant, increases the performance of the flame-proof anti-aging of oversheath；Cold water is inputted by setting water inlet pipe, circulating water pipe cools, and hot water is discharged in drainpipe, and temperature can be kept constant, improves squeezing effect.

Description

A kind of processing method and waterproof resistant to cook molded line cable of waterproof resistant to cook molded line cable

Technical field

The present invention relates to electric power cable technical fields, and in particular to the processing method of a kind of waterproof resistant to cook molded line cable and anti- Water resistant to cook molded line cable.

Background technique

Electric wire, cable are the leads products for conducting electric current, and structure is usually by the higher metal material of conductivity Inner core is made in material, and plastic peel is wrapped up on the outside of inner core.

Current electric wire, cable, crust sizing material by polyvinyl chloride resin (polythene) powder, plasticizer (plasticize), The compositions such as filler (loadingagent), lubrication prescription, stabilization agent, toner are formed by industry both certainty ratio.

A kind of preparation method of cable is disclosed in Publication No. CN108766667A, but the preparation method of the cable In, unit wires are not spiral windings, cause cable waterproofness poor, while the thermal stability of cable is poor, the fire-retardant antioxygen of oversheath The property changed is bad, easy to aging；During carrying out extrusion granulation, it cannot be guaranteed that squeezing the constant of temperature, cause extrusion effect poor, Hybrid particles after extrusion cannot be sieved；For oversheath in a mold during injection molding, needing manually will molding Oversheath takes out, and wastes time, and reduces working efficiency.

Summary of the invention

In order to overcome above-mentioned technical problem, the purpose of the present invention is to provide a kind of processing sides of waterproof resistant to cook molded line cable Method and waterproof resistant to cook molded line cable:

1, by cable waterproofness being improved, by dosing filler in PVC, to improve for unit wires spiral winding The thermal stability of PVC is also added into zinc stearate and does lubricant by joined flame-retardant composition aluminium hydroxide and magnesium hydroxide, Triphenyl phosphite is cooked antioxidant, increases the performance of the flame-proof anti-aging of oversheath；

2, cold water is inputted by setting water inlet pipe, circulating water pipe cools, and hot water is discharged in drainpipe, and temperature can be kept permanent It is fixed, improve squeezing effect；In the effect of the first spring, is vibrated, be convenient for by mandril band electric filter by long diagonal brace and short brace Hybrid particles are sieved；

3, by the setting of gear, rack gear, screw shell and screw rod, molding oversheath is taken out convenient for automation, is not necessarily to It is artificial to take out, it improves work efficiency.

The purpose of the present invention can be achieved through the following technical solutions:

A kind of waterproof resistant to cook molded line cable, including metal inside and insulating layer, the insulating layer are wrapped in the metal inside Outside form unit wires, the unit wires include more, and the whole unit wires spiral winding forms main cables；It is described It include oversheath on the outside of main cables；

Wherein, a kind of waterproof resistant to cook molded line cable is prepared by following step:

Step 1: taking anaerobic copper core as inner conductor, after being straightened in coalignment, diameter 0.2- is determined in drawing die 3mm, with surface is dried with nitrogen, after silver in a kettle heating melting, is used respectively with after acetone and deionized water ultrasonic cleaning High-pressure spray gun is uniformly sprayed onto anaerobic copper core surface, silver layer with a thickness of 0.001-0.05mm, form metal inside；

Step 2: by mass percentage, by 45%~50% PVC resin powder, 18%~23.6% plasticizer, 15%~20% filler, 1%~3.5% lubrication prescription, 1%~3.8% stabilization agent and 0.05% toner as raw material, The raw material is added in oven and is dried, the raw material after drying is then utilized into extruder extruding pelletization, will be dried first Raw material after dry is added in outer cylinder by loading hopper, starts driving motor, and driving motor is subtracted by the drive of synchronous pulley group Fast device rotation, retarder drive screw rod to rotate by shaft coupling, and the raw material after drying can be twisted under the action of screw rod rotates Bulk simultaneously rolls advance along screw channel, is kneaded, while driving air-heater, is heated to outer cylinder, the raw material after fusing drying, Mixed material is obtained, and cold water is inputted by water inlet pipe, after circulating water pipe cools, hot water is discharged by drainpipe, keeps temperature Spend it is constant, mixed material can pass sequentially through porous plate outflow, spreader shunt and pellet head squeeze out, then drive electric rotating Machine drives cutting tip rotation, cuts the mixed material of extrusion, cut into required shape, obtain hybrid particles, and It is fallen into discharge funnel by discharge gate discharge, starts motor, drive long diagonal brace and short brace to rotate by shaft, in the first spring Effect, long diagonal brace and short brace vibrated by mandril band electric filter, screened, and the big hybrid particles of partial size pass through on strainer Surface skids off discharge funnel, and the small hybrid particles screening of partial size is gone down, and is blowed into collecting bin by air blower and be collected, And the small hybrid particles of partial size are made to the insulating layer of membrane structure using film-forming machine, the insulating layer is wrapped in the metal On inner core；

Step 3: 1 or 2 layer of aluminium foil is coated on outside insulating layer, aluminium foil is linked closely on the insulating layer by pyrocondensation technique, The cable containing shielded layer is made；

Step 4: first by aluminium hydroxide and magnesium hydroxide, mixed at high speed to temperature reaches 80-90 DEG C in high-speed mixer, Pretreatment is sprayed with vinyl three (2- methoxy ethoxy) silane after being dehydrated, then adds ethene-vinyl acetate rouge Copolymer, linear low density polyethylene, compatilizer, zinc stearate, triphenyl phosphite the high-speed stirred 3-5 in high-speed mixer Minute is uniformly mixed a variety of materials, then mixture is sent in Bitruder under 300-350 DEG C of stirring condition into melting After state, the cable containing shielded layer is made in step 3 and is put into molding die, cable is placed in lower die first, is then opened Dynamic second cylinder, driving cylinder piston rod are shunk, and are driven upper mold decline, are overlapped with lower die, and by the mixed of sprue gate casting melting Material is closed, oversheath is made in injection molding, finally drives the first cylinder operation, and band carry-over bar slides, the rotation of rack drives gear, Gear drives screw shell rotation, so that screw rod be driven to jack up oversheath, obtains finished product cable.

As a further solution of the present invention: the weight content percentage of a variety of materials in step 4 are as follows: aluminium hydroxide 25- 60wt%, magnesium hydroxide 10-20wt%, ethene-vinyl acetate resin copolymer 15-30wt%, linear low density polyethylene 8- 15wt%, compatilizer 5-10wt%, triphenyl phosphite 0.2-0.8wt%, vinyl three (2- methoxy ethoxy) silane 0.4-1wt%, zinc stearate 0.5-1.2wt%.

As a further solution of the present invention: in step 2, oven drying temperature be 80 DEG C~100 DEG C, baking when Between be 1~2 hour；The temperature of extruding pelletization is 140 DEG C~180 DEG C.

As a further solution of the present invention: the insulating layer with a thickness of 0.3mm~0.5mm, the thickness of the oversheath Degree is 0.4mm~1.0mm.

As a further solution of the present invention: the plasticizer is phthalic acid two；The filler is lead salt；It is described Lubrication prescription is stearic acid；The stabilization agent is aluminium hydroxide or magnesium hydroxide.

As a further solution of the present invention: the extruder includes pedestal, and inside one end of the pedestal is provided with drive Dynamic motor, the driving motor are connect by synchronous pulley group with the retarder that base top one end is installed, and the retarder is remote One end from synchronous pulley group is connect by shaft coupling with screw rod, and the outside of the retarder and shaft coupling is provided with cabinet, institute Stating screw rod is hollow structure, and the outside of the screw rod is provided with outer cylinder, is fixedly mounted on the outer cylinder close to one end of retarder There is loading hopper, the outside of the outer cylinder is equipped with shell, and the shell is fixedly mounted on pedestal, in the top of the pedestal Wall is uniformly equipped with air-heater, and the air-heater is heated for outer cylinder, and circulating water pipe runs through retarder and shaft coupling, and protrudes into spiral shell In bar, one end of the circulating water pipe and water inlet pipe, the other end are connect with drainpipe；

The outer cylinder is connect far from one end of retarder with porous plate, and the side of the porous plate is provided with spreader, institute The side for stating spreader is fixedly installed with pellet head, and the side of the pellet head is fixedly installed with cutter assembly；

The cutter assembly includes rotating electric machine, cutting tip, fixing seat and discharge gate, and the fixing seat is hollow knot Structure, the side of the fixing seat are fixedly installed with rotating electric machine, and the side of the rotating electric machine is fixedly installed with cutting tip, institute The bottom for stating fixing seat offers discharge gate；

Discharge funnel is fixedly installed with immediately below the discharge gate, the inner wall two sides of the discharge funnel are fixed up and down Voussoir is installed, the top of two voussoirs passes through the first spring and connect with strainer, and the strainer and discharge funnel are in 30-60 Angle setting is spent, and one end of strainer is stretched out outside discharge funnel, the bottom centre of the strainer is fixedly installed with mandril, the mandril It is used cooperatively with long diagonal brace and short brace, the long diagonal brace and short brace intersection are mounted on outside shaft, and the shaft is by motor Driving；

The discharge funnel is mounted on ventilation shaft, the air blower installed on one end of the ventilation shaft and fixing seat Connection, the other end are connect with collecting bin.

As a further solution of the present invention: the molding die includes screw rod, gear, mounting base, sliding rail, the first gas Cylinder, second spring, guide sleeve, cylinder piston rod, upper mold, upper die holder, the second cylinder, guide post, movable plate, lower die, lower die holder, Screw shell, rack gear, top one end of the mounting base are fixedly installed with sliding rail, and the side of the sliding rail is fixedly installed with first Cylinder, rack gear is fixedly installed on the piston rod of first cylinder, and the side of the rack gear and another Slideslip of sliding rail connect It connects, the other side of the rack gear engages connection with the gear of rotation setting at mounting base top center, and the top of the gear is solid Dingan County is equipped with screw shell, and the internal whorl of the screw shell is connected with screw rod, and the upper end of the screw rod is not provided with screw thread, The screw rod protrudes into lower die；

The top surrounding of the mounting base passes through pillar and connect with lower die holder, fixed peace at the lower die holder top center Equipped with lower die, the two sides of the lower die are symmetrically installed with guide sleeve, and the interior welds of the guide sleeve are fixed with second spring, institute It states and is fixedly installed with movable plate at the top of second spring, the non-conterminous side of two guide sleeves is mounted on cylinder piston rod, the gas It is fixedly installed with upper die holder on cylinder piston rod, is fixedly installed with the second cylinder at the top center of the upper die holder, described second Cylinder is electrically connected cylinder piston rod, and sprue gate is offered at the top of the upper die holder, and the bottom center of the upper die holder is solid Dingan County is equipped with upper mold, and the two sides of the upper mold are symmetrically installed with guide post；The guide post is used cooperatively with guide sleeve.

Beneficial effects of the present invention:

1, using anaerobic copper core as inner conductor, silver coating is plated, protects the anti-oxidant of copper core, extends the service life used, is enhanced The directionality of signal transduction improves signal quality, uses aluminium foil as shielded layer both save the cost, and the signal shielding of aluminium foil is imitated Fruit is preferable；This material of PVC is utilized, the lower usability of price is wide, under the action of filler, that is, increases its thermostabilization Property, prevent the effect and degradation that take off HCL in PVC strand, and the heat resistance of PVC can be improved, although when use PVC and When phthalic acid two, they have a certain amount of halogen, but pass through verification experimental verification, it is only necessary to corresponding using suitable stable Agent can inhibit halogen, will not discharge halogen elemental substance under high-temp combustion or hardly discharge halogen elemental substance；It is logical It crosses and metal inside and insulating layer is formed into an independent unit wires, in a cable, unit wires are provided at least two, entirely The unit wires in portion are arranged according to the same hand of spiral spiral winding；The advantages of handling in this way are as follows: whole unit wires can embrace It is combined together, in the case where unit wires same radical, cross section of the invention is minimum, and practical application of being more convenient in this way is routed work The expansion of work；In addition it is possible to increase the toughness of cable；Most of all, unit wires spiral winding, enable to shielded layer with And protective layer to the package structures of main cables more closely, improve its whole waterproof performance；In oversheath, it joined fire-retardant Ingredient aluminium hydroxide and magnesium hydroxide are also added into zinc stearate and do lubricant, and triphenyl phosphite is cooked antioxidant, is increased The performance of the flame-proof anti-aging of oversheath, it is ensured that cable using safe；

2, during the raw material extruding pelletization after drying, the raw material after drying is added by loading hopper first Into outer cylinder, start driving motor, retarder rotation is driven by synchronous pulley group, retarder drives screw rod to turn by shaft coupling Dynamic, the raw material after drying can be twisted into bulk and roll along screw channel and advance, be kneaded, improved under the action of screw rod rotates Mixed effect, while driving air-heater, heats outer cylinder, the raw material after fusing drying, obtains mixed material, and by into Water pipe inputs cold water, after circulating water pipe cools, hot water is discharged by drainpipe, keeps temperature constant, so that fusing effect is good, Mixed material can pass sequentially through porous plate outflow, spreader shunts and pellet head squeezes out, and then drive rotating electric machine, drive is cut Paring blade rotation, cuts the mixed material of extrusion, cuts into required shape, obtain hybrid particles, and by discharge gate Discharge is fallen into discharge funnel, starts motor, drives long diagonal brace and short brace to rotate by shaft, in the effect of the first spring, Long diagonal brace and short brace are vibrated by mandril band electric filter, are screened, the big hybrid particles of partial size are sliding by strainer upper surface Discharge funnel out, the small hybrid particles screening of partial size are gone down, convenient for sieving to hybrid particles, and are blowed by air blower It is collected to collecting bin；

3, in the forming process of oversheath, cable is placed in lower die first, then starts the second cylinder, drives cylinder Piston rod is shunk, and is driven upper mold decline, is overlapped with lower die, and by the mixture of sprue gate casting melting, injection molding is made outer Sheath finally drives the first cylinder operation, and band carry-over bar slides, and rack drives gear rotation, gear drives screw shell rotation, To drive screw rod rotation to jack up oversheath, finished product cable is obtained, it is not necessary that manually oversheath is picked up, high degree of automation, Convenient for operating with；By the setting of guide post and guide sleeve, can be accurately positioned, so that upper mold and lower die are not in offset, By the setting of second spring, so that upper mold is more stable during declining.

Detailed description of the invention

The present invention will be further described below with reference to the drawings.

Fig. 1 is extruder overall structure diagram of the present invention；

Fig. 2 is extruder schematic diagram of internal structure of the present invention；

Fig. 3 is extruder configuration schematic diagram of the present invention；

Fig. 4 is cutter assembly overall structure diagram of the present invention；

Fig. 5 is a-quadrant enlarged structure schematic diagram in Fig. 3；

Fig. 6 is discharge funnel schematic diagram of internal structure of the present invention；

Fig. 7 is molding die positive structure diagram of the present invention；

Fig. 8 is mounting base overall structure diagram of the present invention.

In figure: 1, pedestal；2, cabinet；3, loading hopper；4, shell；5, air blower；6, ventilation shaft；7, collecting bin；8, Synchronous pulley group；9, water inlet pipe；10, circulating water pipe；11, retarder；12, shaft coupling；13, driving motor；14, outer cylinder；15, hot Blower；16, cutter assembly；161, rotating electric machine；162, cutting tip；163, fixing seat；164, discharge gate；17, screw rod；18, Discharge funnel；181, the first spring；182, voussoir；183, strainer；184, long diagonal brace；185, short brace；186, shaft；187, it pushes up Bar；19, pellet head；20, porous plate；21, spreader；22, drainpipe；23, screw rod；24, gear；25, mounting base；26, sliding Rail；27, the first cylinder；28, second spring；29, guide sleeve；30, cylinder piston rod；31, upper mold；32, upper die holder；33, second Cylinder；34, guide post；35, movable plate；36, lower die；37, lower die holder；38, screw shell；39, rack gear.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.

It please refers to shown in Fig. 1-8, a kind of waterproof resistant to cook molded line cable includes metal inside and insulating layer, the insulating layer The outside for being wrapped in the metal inside forms unit wires, and the unit wires include more, whole unit wires spirals It is wound main cables；It include oversheath on the outside of the main cables；

Step 2: by mass percentage, by 45%~50% PVC resin powder, 18%~23.6% plasticizer, 15%~20% filler, 1%~3.5% lubrication prescription, 1%~3.8% stabilization agent and 0.05% toner as raw material, The raw material is added in oven and is dried, the raw material after drying is then utilized into extruder extruding pelletization, will be dried first Raw material after dry is added in outer cylinder 14 by loading hopper 3, starts driving motor 13, and driving motor 13 passes through synchronous pulley group 8 drive retarder 11 to rotate, and retarder 11 drives screw rod 17 to rotate by shaft coupling 12, and the raw material after drying can be revolved in screw rod 17 Under the action of turning, it is twisted into bulk and is rolled along screw channel and advanced, be kneaded, while driving air-heater 15, outer cylinder 14 is carried out Heating, the raw material after fusing drying obtain mixed material, and input cold water by water inlet pipe 9, and circulating water pipe 10 cools Afterwards, hot water is discharged by drainpipe 22, keeps temperature constant, mixed material can pass sequentially through the outflow of porous plate 20, spreader 21 divides Stream and pellet head 19 squeeze out, and then drive rotating electric machine 161, and cutting tip 162 is driven to rotate, to the mixed material of extrusion into Row cutting, cuts into required shape, obtains hybrid particles, and fallen into discharge funnel 18 by the discharge of discharge gate 164, starting electricity Machine drives long diagonal brace 184 and short brace 185 to rotate by shaft 186, in the effect of the first spring 181, long diagonal brace 184 and short Brace 185 is vibrated by mandril 187 with electric filter 183, is screened, and the big hybrid particles of partial size pass through 183 upper surface of strainer Discharge funnel 18 is skidded off, the small hybrid particles screening of partial size is gone down, and is blowed into collecting bin 7 by air blower 5 and be collected, And the small hybrid particles of partial size are made to the insulating layer of membrane structure using film-forming machine, the insulating layer is wrapped in the metal On inner core；

Step 4: first by aluminium hydroxide and magnesium hydroxide, mixed at high speed to temperature reaches 80-90 DEG C in high-speed mixer, Pretreatment is sprayed with vinyl three (2- methoxy ethoxy) silane after being dehydrated, then adds ethene-vinyl acetate rouge Copolymer, linear low density polyethylene, compatilizer, zinc stearate, triphenyl phosphite the high-speed stirred 3-5 in high-speed mixer Minute is uniformly mixed a variety of materials, then mixture is sent in Bitruder under 300-350 DEG C of stirring condition into melting After state, the cable containing shielded layer is made in step 3 and is put into molding die, cable is placed in lower die 36 first, then Start the second cylinder 33, driving cylinder piston rod 30 shrinks, drives upper mold 31 to decline, be overlapped with lower die 36, and poured by sprue gate The mixture of melting is infused, oversheath is made in injection molding, and the first cylinder 27 is finally driven to work, and band carry-over bar 39 slides, rack gear 39 band moving gears 24 rotate, and gear 24 drives screw shell 38 to rotate, so that screw rod 23 be driven to jack up oversheath, obtains finished product Cable.

The weight content percentage of a variety of materials in step 4 are as follows: aluminium hydroxide 25-60wt%, magnesium hydroxide 10- 20wt%, ethene-vinyl acetate resin copolymer 15-30wt%, linear low density polyethylene 8-15wt%, compatilizer 5- 10wt%, triphenyl phosphite 0.2-0.8wt%, vinyl three (2- methoxy ethoxy) silane 0.4-1wt%, zinc stearate 0.5-1.2wt%.

In step 2, the temperature of oven drying is 80 DEG C~100 DEG C, and the time of baking is 1~2 hour；Extruding pelletization Temperature is 140 DEG C~180 DEG C.

The insulating layer with a thickness of 0.3mm~0.5mm, the oversheath with a thickness of 0.4mm~1.0mm.

The plasticizer is phthalic acid two；The filler is lead salt；The lubrication prescription is stearic acid；The stabilization agent For aluminium hydroxide or magnesium hydroxide.

Insulation material layer is placed at 140~180 DEG C and is squeezed out by the host for being used to squeeze out insulating materials, and is coated on conductor On layer, the present invention passes through change formula for raw stock while optimizing the control of extrusion production process, makes the property of the waterproof resistant to cook of its cable It can be increased dramatically；

The present invention is by forming an independent unit wires, in a cable, unit wires for metal inside and insulating layer At least two are provided with, whole unit wires are arranged according to the same hand of spiral spiral winding；The advantages of handling in this way are as follows: complete The unit wires in portion can be embraced and are combined together, and in the case where unit wires same radical, cross section of the invention is minimum, so more just In the expansion of practical application installation work；In addition it is possible to increase the toughness of cable；Most of all, unit wires spiral winding, Shielded layer and protective layer is enabled to more closely, to improve its whole waterproof performance to the package structures of main cables；

Present invention utilizes this materials of PVC, and the lower usability of price is wide, under the action of filler, that is, increase Its thermal stability prevents the effect and degradation that take off HCL in PVC strand, and can improve the heat resistance of PVC, although working as When using PVC and phthalic acid two, they have a certain amount of halogen, but pass through verification experimental verification, it is only necessary to corresponding to use Suitable stabilization agent can inhibit halogen, will not discharge halogen elemental substance under high-temp combustion or hardly discharge halogen member Plain substance；

The present invention heats it after unit wires wind obvolvent, so that insulating layer melts, thus by each Insulating layer in unit wires combines together.The purpose handled in this way are as follows: in single line cable, there is no skies between each unit line Gap, can further decrease the cross-sectional area of cable, and enable to the present invention in the case where exposed use, and moisture can not invade It loses in the gap between unit wires, reduces the aging speed of unit wires.Meanwhile it is one that the insulated wire on each unit line, which melts, Body, structural strength are increased, under the operating condition of temperature change, additionally it is possible to reduce the deformation of cable.

It please refers to shown in Fig. 1-6, the extruder includes pedestal 1, and inside one end of the pedestal 1 is provided with driving motor 13, the driving motor 13 is connect by synchronous pulley group 8 with the retarder 11 that 1 top one end of pedestal is installed, the retarder 11 one end far from synchronous pulley group 8 are connect by shaft coupling 12 with screw rod 17, the outside of the retarder 11 and shaft coupling 12 It is provided with cabinet 2, the screw rod 17 is hollow structure, and the outside of the screw rod 17 is provided with outer cylinder 14, leans on the outer cylinder 14 One end of nearly retarder 11 is fixedly installed with loading hopper 3, and the outside of the outer cylinder 14 is equipped with shell 4, and the shell 4 is fixed It is mounted on pedestal 1, the top inner wall of the pedestal 1 is uniformly equipped with air-heater 15, and the air-heater 15 adds for outer cylinder 14 Heat, circulating water pipe 10 runs through retarder 11 and shaft coupling 12, and protrudes into screw rod 17, one end of the circulating water pipe 10 and water inlet Pipe 9, the other end are connect with drainpipe 22；

The one end of the outer cylinder 14 far from retarder 11 is connect with porous plate 20, and the side of the porous plate 20 is provided with point Flow cone 21, the side of the spreader 21 are fixedly installed with pellet head 19, and the side of the pellet head 19 is fixedly installed with Cutter assembly 16；

The cutter assembly 16 includes rotating electric machine 161, cutting tip 162, fixing seat 163 and discharge gate 164, described solid Reservation 163 is hollow structure, and the side of the fixing seat 163 is fixedly installed with rotating electric machine 161, the rotating electric machine 161 Side is fixedly installed with cutting tip 162, and the bottom of the fixing seat 163 offers discharge gate 164；

The underface of the discharge gate 164 is fixedly installed with discharge funnel 18, the inner wall two sides of the discharge funnel 18 It is fixedly installed with voussoir 182 up and down, the top of two voussoirs 182 passes through the first spring 181 and connect with strainer 183, described Strainer 183 and discharge funnel 18 are arranged in 30-60 degree angle, and one end of strainer 183 is stretched out outside discharge funnel 18, the strainer 183 bottom centre is fixedly installed with mandril 187, and the mandril 187 is used cooperatively with long diagonal brace 184 and short brace 185, described Long diagonal brace 184 and the intersection of short brace 185 are mounted on outside shaft 186, and the shaft 186 is driven by motor；

The discharge funnel 18 is mounted on ventilation shaft 6, is installed in one end of the ventilation shaft 6 and fixing seat 163 Air blower 5 connect, the other end connect with collecting bin 7.

It please refers to shown in Fig. 7-8, the molding die includes screw rod 23, gear 24, mounting base 25, sliding rail 26, the first gas Cylinder 27, guide sleeve 29, cylinder piston rod 30, upper mold 31, upper die holder 32, the second cylinder 33, guide post 34, is lived at second spring 28 Top one end of movable plate 35, lower die 36, lower die holder 37, screw shell 38, rack gear 39, the mounting base 25 is fixedly installed with sliding rail 26, the side of the sliding rail 26 is fixedly installed with the first cylinder 27, is fixedly mounted on the piston rod of first cylinder 27 with teeth Item 39, the side of the rack gear 39 and the other side of sliding rail 26 are slidably connected, and the other side of the rack gear 39 and mounting base 25 are pushed up The gear 24 of rotation setting engages connection at portion center, and the top of the gear 24 is fixedly installed with screw shell 38, the spiral shell The internal whorl of line sleeve 38 is connected with screw rod 23, and the upper end of the screw rod 23 is not provided with screw thread, and the screw rod 23 protrudes into down Mould 36；

The top surrounding of the mounting base 25 passes through pillar and connect with lower die holder 37, at 37 top center of lower die holder It is fixedly installed with lower die 36, the two sides of the lower die 36 are symmetrically installed with guide sleeve 29, and the interior welds of the guide sleeve 29 are solid Surely there is second spring 28, movable plate 35 is fixedly installed at the top of the second spring 28, the non-conterminous side of two guide sleeve 29 is equal Cylinder piston rod 30 is installed, is fixedly installed with upper die holder 32 on the cylinder piston rod 30, in the top of the upper die holder 32 The second cylinder 33 is fixedly installed at the heart, second cylinder 33 is electrically connected cylinder piston rod 30, the top of the upper die holder 32 Portion offers sprue gate, and the bottom center of the upper die holder 32 is fixedly installed with upper mold 31, and the two sides of the upper mold 31 are symmetrical Guide post 34 is installed；The guide post 34 is used cooperatively with guide sleeve 29.

The working principle of the invention: the course of work of extruder: the raw material after drying is added by loading hopper 3 first Into outer cylinder 14, start driving motor 13, driving motor 13 drives retarder 11 to rotate by synchronous pulley group 8, retarder 11 Screw rod 17 is driven to rotate by shaft coupling 12, the raw material after drying can be twisted into bulk and edge under the action of screw rod 17 rotates Screw channel, which rolls, to advance, and is kneaded, while driving air-heater 15, is heated to outer cylinder 14, and the raw material after fusing drying obtains Mixed material, and cold water is inputted by water inlet pipe 9, after circulating water pipe 10 cools, hot water is discharged by drainpipe 22, keeps temperature Spend it is constant, mixed material can pass sequentially through porous plate 20 outflow, spreader 21 shunt and pellet head 19 squeeze out, then driving rotation Rotating motor 161 drives cutting tip 162 to rotate, cuts the mixed material of extrusion, cut into required shape, obtain Hybrid particles, and fallen into discharge funnel 18 by the discharge of discharge gate 164, start motor, long diagonal brace 184 is driven by shaft 186 It is rotated with short brace 185, in the effect of the first spring 181, long diagonal brace 184 and short brace 185 pass through mandril 187 with electric filter 183 vibrations, are screened, the big hybrid particles of partial size skid off discharge funnel 18, the small mixing of partial size by 183 upper surface of strainer Particle screening goes down, and convenient for sieving to hybrid particles, and blows into collecting bin 7 by air blower 5 and is collected；

Cable: being placed in lower die 36 by the molding die course of work first, then starts the second cylinder 33, and driving cylinder is living Stopper rod 30 is shunk, and is driven upper mold 31 to decline, is overlapped with lower die 36, and by the mixture of sprue gate casting melting, injection molding, system At oversheath, the first cylinder 27 is finally driven to work, band carry-over bar 39 slides, and rack gear 39 is rotated with moving gear 24,24 band of gear Dynamic screw shell 38 rotates, so that screw rod 23 be driven to jack up oversheath, finished product cable is obtained, without manually taking oversheath It rises, high degree of automation, convenient for operating with；The guide post 34 is used cooperatively with guide sleeve 29, and the inside of guide sleeve 29 Second spring 28 is installed, by the setting of guide post 34 and guide sleeve 29, can be accurately positioned, so that upper mold 31 and lower die 36 are not It will appear offset, by the setting of second spring 28, so that upper mold 31 is more stable during declining.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.

Above content is only citing made for the present invention and explanation, affiliated those skilled in the art are to being retouched The specific embodiment stated does various modifications or additions or is substituted in a similar manner, and without departing from invention or surpasses More range defined in the claims, is within the scope of protection of the invention.

Claims

1. a kind of processing method of waterproof resistant to cook molded line cable, which comprises the following steps:

Step 1: taking anaerobic copper core as inner conductor, after being straightened in coalignment, it is 0.2-3mm that diameter is determined in drawing die, Respectively with after acetone and deionized water ultrasonic cleaning, with surface is dried with nitrogen, after silver in a kettle heating melting, high pressure is used Spray gun is uniformly sprayed onto anaerobic copper core surface, silver layer with a thickness of 0.001-0.05mm, form metal inside；

Step 2: by mass percentage, by 45%~50% PVC resin powder, 18%~23.6% plasticizer, 15%~ 20% filler, 1%~3.5% lubrication prescription, 1%~3.8% stabilization agent and 0.05% toner, will be described as raw material Raw material is added in oven and is dried, and the raw material after drying is then utilized extruder extruding pelletization, first will be after drying Raw material is added in outer cylinder by loading hopper, starts driving motor, and driving motor drives retarder to turn by synchronous pulley group Dynamic, retarder drives screw rod to rotate by shaft coupling, and the raw material after drying can be twisted into bulk simultaneously under the action of screw rod rotates It rolls and advances along screw channel, be kneaded, while driving air-heater, outer cylinder is heated, the raw material after fusing drying is mixed Material is closed, and cold water is inputted by water inlet pipe, after circulating water pipe cools, hot water is discharged by drainpipe, keeps temperature constant, Mixed material can pass sequentially through porous plate outflow, spreader shunts and pellet head squeezes out, and then drive rotating electric machine, drive is cut Paring blade rotation, cuts the mixed material of extrusion, cuts into required shape, obtain hybrid particles, and by discharge gate Discharge is fallen into discharge funnel, starts motor, drives long diagonal brace and short brace to rotate by shaft, in the effect of the first spring, Long diagonal brace and short brace are vibrated by mandril band electric filter, are screened, the big hybrid particles of partial size are sliding by strainer upper surface Discharge funnel out, the small hybrid particles screening of partial size is gone down, and is blowed into collecting bin by air blower and be collected, and utilize The insulating layer of membrane structure is made in the small hybrid particles of partial size by film-forming machine, and the insulating layer is wrapped in the metal inside On；

Step 3: 1 or 2 layer of aluminium foil is coated on outside insulating layer, aluminium foil is linked closely on the insulating layer by pyrocondensation technique, is made Cable containing shielded layer；

Step 4: first by aluminium hydroxide and magnesium hydroxide, mixed at high speed to temperature reaches 80-90 DEG C in high-speed mixer, carry out Pretreatment is sprayed with vinyl three (2- methoxy ethoxy) silane after dehydration, then adds the copolymerization of ethene-vinyl acetate rouge Object, linear low density polyethylene, compatilizer, zinc stearate, triphenyl phosphite are high-speed stirred 3-5 minutes in high-speed mixer A variety of materials are uniformly mixed, then mixture is sent in Bitruder under 300-350 DEG C of stirring condition into molten condition Afterwards, the cable in step 3 containing shielded layer is put into molding die, cable is placed in lower die first, then start second Cylinder, driving cylinder piston rod are shunk, and are driven upper mold decline, are overlapped with lower die, and by the mixture of sprue gate casting melting, note It is moulded into type, oversheath is made, finally drives the first cylinder operation, band carry-over bar slides, and rack drives gear rotation, gear drives Screw shell rotation, so that screw rod be driven to jack up oversheath, obtains finished product cable.

2. a kind of processing method of waterproof resistant to cook molded line cable according to claim 1, which is characterized in that various in step 4 The weight content percentage of material are as follows: aluminium hydroxide 25-60wt%, magnesium hydroxide 10-20wt%, ethene-vinyl acetate rouge are total Polymers 15-30wt%, linear low density polyethylene 8-15wt%, compatilizer 5-10wt%, triphenyl phosphite 0.2- 0.8wt%, vinyl three (2- methoxy ethoxy) silane 0.4-1wt%, zinc stearate 0.5-1.2wt%.

3. a kind of processing method of waterproof resistant to cook molded line cable according to claim 1, which is characterized in that in step 2, bake The temperature of case drying is 80 DEG C~100 DEG C, and the time of baking is 1~2 hour；The temperature of extruding pelletization is 140 DEG C~180 DEG C.

4. a kind of processing method of waterproof resistant to cook molded line cable according to claim 1, which is characterized in that the insulating layer With a thickness of 0.3mm~0.5mm, the oversheath with a thickness of 0.4mm~1.0mm.

5. a kind of processing method of waterproof resistant to cook molded line cable according to claim 1, which is characterized in that the plasticizer is Phthalic acid two；The filler is lead salt；The lubrication prescription is stearic acid；The stabilization agent is aluminium hydroxide or hydroxide Magnesium.

6. a kind of waterproof resistant to cook molded line cable, which is characterized in that including metal inside and insulating layer, the insulating layer is wrapped in described The outside of metal inside forms unit wires, and the unit wires include more, and whole unit wires spiral windings forms master Cable；It include oversheath on the outside of the main cables；

Wherein, waterproof resistant to cook molded line cable is prepared by following step:

Step 1: the silver after melting is sprayed onto anaerobic copper core surface, metal inside is formed；

Step 2: by mass percentage, by 45%~50% PVC resin powder, 18%~23.6% plasticizer, 15%~ 20% filler, 1%~3.5% lubrication prescription, 1%~3.8% stabilization agent and 0.05% toner, will be described as raw material Raw material is added in oven and is dried, and the raw material after drying is then utilized extruder extruding pelletization, and will using film-forming machine The insulating layer of membrane structure is made in the small hybrid particles of partial size, and the insulating layer is wrapped on the metal inside；

Step 4: first by aluminium hydroxide and magnesium hydroxide, mixed at high speed to temperature reaches 80-90 DEG C in high-speed mixer, carry out Pretreatment is sprayed with vinyl three (2- methoxy ethoxy) silane after dehydration, then adds the copolymerization of ethene-vinyl acetate rouge Object, linear low density polyethylene, compatilizer, zinc stearate, triphenyl phosphite are high-speed stirred 3-5 minutes in high-speed mixer A variety of materials are uniformly mixed, then mixture is sent in Bitruder under 300-350 DEG C of stirring condition into molten condition Afterwards, the cable containing shielded layer is made in step 3 to be put into molding die, oversheath is made in injection molding, then drives One cylinder operation, band carry-over bar slide, and rack drives gear rotation, gear drives screw shell rotation, to drive screw rod will Oversheath jacks up, and obtains finished product cable.