CN103707528A - High-permeability membrane production line and high-permeability membrane production process - Google Patents
High-permeability membrane production line and high-permeability membrane production process Download PDFInfo
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- CN103707528A CN103707528A CN201310747759.1A CN201310747759A CN103707528A CN 103707528 A CN103707528 A CN 103707528A CN 201310747759 A CN201310747759 A CN 201310747759A CN 103707528 A CN103707528 A CN 103707528A
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Abstract
The invention discloses a high-permeability membrane production line which is used for producing a high-permeability membrane product. The high-permeability membrane production line comprises a double-screw extruder, a three-roller plating press, a traction machine, a nine-roller preheating device, a longitudinal stretching machine, a cooling traction machine, a transverse stretching machine, a transverse-stretching traction machine and a winding machine, wherein the transverse stretching machine comprises a transverse oven, a transverse transmission and a hot air fan, and the transverse transmission is arranged inside the transverse oven and stretches out of the transverse oven in the width direction of the transverse oven. The invention also discloses a high-permeability membrane production process. The high-permeability membrane production process comprises the following steps of batching, extruding, longitudinal stretching, transverse stretching, thickness monitoring, electric corona processing, traction winding online splitting and waste recycling. The high-permeability membrane production line can be used for producing the high-permeability membrane product with high quality, the produced high-permeability membrane product is high in transparency and strength parameters, and the reject rate in the commissioning process is low.
Description
Technical field
The present invention relates to a kind of high transmittance film production line, also relate to a kind of high transmittance film production technology.
Background technology
High transmittance film is to be prepared from by high light-transmitting materials, is usually used in the diaphragm of LCD screen.High diaphragm material thoroughly scratch resistant and wear-resisting extremely strong, adopts 100% silica gel raw material, is attached to liquid crystal surfactant and occurs without bubble; and high diaphragm tack of materials is strong thoroughly, difficult drop-off, not alice; light transmittance can reach 95%, has the optical effect of superelevation light transmittance, removes rear without cull.
The film light transmittance that film line of the prior art is produced and intensity meet related request in of the same trade standard of perfection at home, but with current quality, to international market, march certain difficulty.Conventionally in production line, the running part of biaxial tension is the inside at two-way baking oven, is subject to the impact of environment temperature and humidity after cold the going of goods of producing like this, and thickness or width have some deviations, causes the mass parameters such as the transparency of product and intensity not high.
And, in existing high transmittance film production line test-run a machine production process because the restriction percent defective of production technology, formula, heating-up temperature is relatively very high, goods are in drawing process, intensity own, transparency all can be very unstable at the test-run a machine initial stage in certain length and area for temperature influence, inevitable increase test-run a machine cost.
Summary of the invention
The object of this invention is to provide a kind of production technology of producing production line and the high transmittance film of high transmittance film goods.
To achieve these goals, the technical solution of employing is in the present invention:
A high transmittance film production line, for the production of high transmittance film goods, comprises the double screw extruder, three-roller calendar, hauling machine, nine roller preheating devices, longitudinal stretching machine, cooling hauling machine, transverse drawing mill, horizontal hauling machine, the coiling machine of drawing that set gradually; Wherein transverse drawing mill comprises horizontal baking box, laterally transmission, air-heater, and described horizontal transmission is arranged on horizontal baking box inside and stretches out horizontal baking box on the width of horizontal baking box.
Further, described double screw extruder comprises feed system, lubricating system, pumped vacuum systems, cooling water system, head, screw barrel, distribution transmission case twin-screw extrusion motor, described screw barrel comprises machine barrel, screw rod, mandrel, described screw rod has by various on mandrel in tandem the screw elements that exchange performance and forms, and described cylindrical shell is assembled by a plurality of opening cylindrical shells, a plurality of cylindrical shell and side direction feed cylinder of remaining silent; Described cylindrical shell is provided with cast aluminium and cast copper heater, and described cast aluminium is connected with temperature control instrument with cast copper heater.
Further, described three-roller calendar comprises that left and right stand, base, three roller running parts, roll spacing regulate part, move forward and backward device, pressure roller up-down adjustment part, roller water circulation pipe part, safe self-locking switch, three rollers and hauling machine tube connector, Hydraulic Station; The stand of described left and right is fixed on base; Described three roller running parts comprise three cover servomotors, three pressure rollers, and three pressure rollers comprise front pressure roller, middle pressure roller and the rear pressure roller that parallel distribution arranges, and servomotor is corresponding one by one with pressure roller, and servomotor is connected with pressure roller by reductor; Described roller water circulation pipe partly comprises water inlet pipe, outlet pipe, swivel joint, is arranged on the spiral runner in each pressure roller, and this runner is connected with water inlet pipe, water side respectively; Described roll spacing adjusting portion is divided and is comprised that the roll spacing being supported in the stand of left and right regulates cylinder bracket; Described each pressure roller two ends are provided with pressure roller shaft bearing, rail plate pair are housed below this pressure roller shaft bearing; The bearing block of described middle pressure roller both sides is provided with wedge, and middle pressure roller one side is provided with rotation adjusting handle, and described rotation adjusting handle is connected with wedge by leading screw, realizes the rising and the decline that by rotating adjusting handle, regulate wedge, and then dancer rools distance; Described bearing block is provided with dial gauge, the distance of this dial gauge for showing that wedge rises and declines; Described three-roller calendar is connected with hauling machine with hauling machine tube connector by three rollers; Described Hydraulic Station comprises that overflow valve, unidirectional control valve, roll spacing regulate oil cylinder, oil pipe.
Further, described hauling machine comprises carry-over pinch rolls part, trimming part, carrying roller, tensioner part, travelling wheel part and rail sections, described carry-over pinch rolls part, trimming part, carrying roller, tensioner part, travelling wheel part and rail sections are arranged in hauling machine frame, described carry-over pinch rolls partly comprise upper glue roller, lower rubber roller, traction reducing motor, described traction reducing motor drives upper and lower rubber roll to rotate by sprocket wheel, thereby drives high transmittance film sheet material to move forward; Described trimming partly comprises turbine worm reducer, axis, is arranged on two cutting knifes on axis, and described turbine worm reducer drives two cutting knifes above axis to rotate to an angle; Described carrying roller is aluminium roller; Described tightening part divides and comprises displacement transducer, tightening roller, analog-to-digital conversion module, wherein displacement transducer is arranged near in the hauling machine frame of high transmittance film goods feed end, the signal that displacement transducer detects is converted to digital quantity through analog-to-digital conversion module, tightening roller is adjusted the rotating speed of the traction reducing motor of hauling machine according to this digital quantity, hauling machine is mated with the pressure roller rotating speed of three-roller calendar; Described hauling machine is partly arranged on guide rail by travelling wheel, and hauling machine can be moved around on guide rail.
Further, described nine roller preheating devices comprise nine roller preheating frames, roller part, pressure roller part, heat exchange section, running part; Described nine roller preheating frames are formed by square tubes soldering; Described pressure roller partly comprises the pre-hot-pressing roller at the charging aperture place that is positioned at nine roller preheating devices, and described roller partly comprises the roller of nine same structures of the layout that is staggered up and down, and the diameter of described pre-hot-pressing roller is less than the diameter of roller; Described heat exchange section comprises heat conductive oil inlet, heat-conducting oil pipes, the conduction oil outlet being arranged on each roller, described heat-conducting oil pipes is positioned at roller inside and two terminations are connected with heat conductive oil inlet, conduction oil outlet respectively, the conduction oil outlet of adjacent roller is connected with heat conductive oil inlet, the heat conductive oil inlet of the roller at close charging aperture place is connected with the outlet of conduction oil temperature controller, and the conduction oil outlet of the roller at close discharging opening place is connected with the import of conduction oil temperature controller; Described running part comprises nine roller preheating reductors, and nine roller preheating reductors are connected with entrance roller, all the other eight passive transmissions of roller, and the drive sprocket on speed reducer output shaft is connected by movable sprocket by chain and porch.
Further, described longitudinal stretching machine comprises longitudinal stretching frame, string oiling roller, heater, the first chill roll, in described string oiling roller, be provided with spirality heat conducting oil pipe, described the first chill roll comprises chill roll and lower chill roll, described string oiling roller and upper chill roll are parallel to be arranged, between described string oiling roller and upper chill roll, be provided with ceramic heating pipe, the top of described string oiling roller and upper chill roll is provided with heater, in described upper and lower chill roll, is equipped with water supply pipe; Described heater is infrared heating device.
Further, described cooling hauling machine comprises cooling traction frame, cooling traction element, cooling Traction Drive part, the second chill roll, and described cooling traction element comprises traction rubber roll, lower traction rubber roll; Described cooling Traction Drive partly comprises cooling traction reducing motor, and described cooling traction reducing motor drives upper and lower traction rubber roll to rotate by sprocket wheel, thereby high transmittance film sheet material travels forward; Described the second chill roll comprises at least three cooling rubber rolls that are staggered up and down and arrange, and in each cooling rubber roll, is equipped with cooling water pipeline, and the entrance of this cooling water pipeline is connected with water supply pipe.
Further, described transverse drawing mill comprises air-heater, horizontal baking box, described air-heater comprises heater, temp controlled meter, temperature sensor, IGCT power regulating eqiupment, described temperature sensor is arranged on the air outlet place of air-heater, the temperature signal of described temp controlled meter collecting temperature sensor is also controlled IGCT power regulating eqiupment, the heating power of IGCT power regulating eqiupment control heater, described heater comprises several heating tubes.
Further, described coiling machine comprises and batches frame, rotation winding up roller, revolution winding up roller, running part, the described frame of batching comprises the two groups of bracing frames in left and right, these two groups of bracing frames are respectively used to support two groups of side box bodies, the place, four angles of batching frame below is welded with Cable chute, and described Cable chute below is provided with ditch leading screw; The described running part that batches comprises autobiography driving motor and revolution driving motor, and described autobiography driving motor drives rotation winding up roller and revolution winding up roller to rotate by Timing Belt respectively; Described revolution driving motor rotates 180 degree by sprocket wheel and chain-driving rotation winding up roller, thereby realizes the location swap of rotation winding up roller and revolution winding up roller; Described chain is arranged in side box body.
A high transmittance film production technology, comprises the following steps:
(1) batching step: will expect batch can-by feed in raw material-static mixer of feed screw-extrude hopper on raw material;
(2) extrusion step: extrude hopper-feed screw-extruder-coarse filter-measuring pump-fine filter-melt pipe-die head;
(3) longitudinal stretching step: vertical to draw preheating-infrared heating-vertical stretching-vertical to draw cooling;
(4) cross directional stretch step: coatedly-horizontal online draw preheating-stretching-buffering-sizing-cooling-traction;
(5) thickness monitoring step: traction-calibrator;
(6) sided corona treatment step: traction-sided corona treatment;
(7) break-thickness measuring-sided corona treatment-cut-rolling of step: traction-trimming-Bian is cut in traction rolling online;
(8) waste recovery step: break-heavily break-batch can of limit.
The viscosity of described step (1) Raw is 0.62-0.65, and adds nano plastic in described raw material.
The beneficial effect that the present invention can produce:
(1) in high transmittance film production line of the present invention, the sub-fraction of the running part of biaxial tension on baking oven width is external, goods are in the process of being stretched, except most of area is under the effect of heat Methodistic stretching, also be subject to successively gradually the initial adaptation of external environment, so since the goods of production department under atmospheric environment, will guarantee relatively strict mass parameter.
(2) production technology of the present invention, the goods of producing at short notice parameter are up to standard, reduced the percent defective in test-run a machine process, relatively saved cost, these two rigid indexs of transparency and intensity, all over common high transmittance film parameter, have improved Quality Cost.
(3) in technique and above formula, done very large improvement, adopt the raw material of low-viscosity, can reduce the Dust Capacity that raw material section produces in conveying and dry run, improve cyclonic separation effect, the oxygen degraded that minimizing produces when dry, contributes to high transmittance film in surrounding air, to reduce the pollution of oligomer.
(4) in raw material, add nano plastic modification, the system consisting of nanoparticle has produced the many special character that is different from common bulk macroscopic material system simultaneously.Can show the following aspects by augmented performance: improve mechanical property, its bending modulus (rigidity) can improve 1.5 times～2 times; Improve heat resistance, its heat distortion temperature can improve 10 more to be spent, and thermal coefficient of expansion drops to original half; Increase plastics barrier, make material reduce to original 1/2～1/5 to the transmitance of carbon dioxide, oxygen; Improve the transparency, the pigmentability of material; Improve the flame retardant rating of material; Improve the dimensional stability of material etc.
Accompanying drawing explanation
The structural representation that accompanying drawing 1 is double screw extruder.
The structural representation that accompanying drawing 2 is three-roller calendar.
The structural representation that accompanying drawing 3 is hauling machine.
Accompanying drawing 4 is the Facad structure schematic diagram of nine roller preheating devices.
Accompanying drawing 5 is the side structure schematic diagram of nine roller preheating devices.
The structural representation that accompanying drawing 6 is longitudinal stretching machine.
The structural representation that accompanying drawing 7 is cooling hauling machine.
The structural representation that accompanying drawing 8 is transverse drawing mill.
Accompanying drawing 9 is the horizontal structural representation that draws hauling machine.
The structural representation that accompanying drawing 10 is coiling machine.
Accompanying drawing 11 is overall structure schematic diagram of the present invention.
Wherein: 1, double screw extruder; 2, three-roller calendar; 3, hauling machine; 4, nine roller preheating devices; 5, longitudinal stretching machine; 6, cooling hauling machine; 7, transverse drawing mill; 8, the horizontal hauling machine that draws; 9, coiling machine; 11, head; 12, screw barrel; 13, cooling water system; 14, pumped vacuum systems; 15, feed system; 16, lubricating system; 17, distribute transmission case; 18, twin-screw extrusion motor; 21, left and right support; 22, three roller running parts; 23, roll spacing regulates part; 24, roller water circulation pipe part; 25, pressure roller up-down adjustment part; 26, safe self-locking switch; 27, Hydraulic Station; 28, three rollers and hauling machine tube connector; 29, move forward and backward device.31, carry-over pinch rolls part; 32, trimming part; 33, carrying roller; 34, tensioner part; 35, travelling wheel part; 36, guide rail; 41, nine roller preheating frames; 42, roller part; 43, pressure roller part; 44, heat exchange section; 45, nine roller preheating running parts; 51, longitudinal stretching frame; 52, string oiling roller; 53, heater; 54, chill roll; 61, cooling traction frame; 62, the second chill roll; 63, cooling Traction Drive part; 64, cooling traction element; 71 air-heaters; 72, laterally transmission; 73, transverse oven; 81, lateral traction frame; 82, lateral traction part; 83, lateral traction running part; 91, batch frame; 92, rotation winding up roller; 93, revolution winding up roller; 94, batch running part; 101, calibrator; 102, online disintegrating machine; 103, coiler for trimmings.
The specific embodiment
As shown in Figure 11, a kind of high transmittance film production line, for the production of high transmittance film goods, comprise the double screw extruder 1, three-roller calendar 2, hauling machine 3, nine roller preheating devices 4, longitudinal stretching machine 5, cooling hauling machine 6, transverse drawing mill 7, horizontal hauling machine 8, the coiling machine 9 of drawing that set gradually.Also comprise online disintegrating machine 102 between hauling machine 3 and nine roller preheating devices 4, the coiler for trimmings 103 between cooling hauling machine 6 and transverse drawing mill 7, at transverse drawing mill 7 and horizontally draw coiler for trimmings 103 between hauling machine 8, at coiler for trimmings 103 and the horizontal calibrator 101 drawing between hauling machine 8.Described coiler for trimmings 103 is standby as online disintegrating machine 102, when online disintegrating machine 102 can not use, can open coiler for trimmings 103 and reclaim.Wherein transverse drawing mill comprises horizontal baking box 73, laterally transmission 72, air-heater 71, and described horizontal transmission 72 is arranged on horizontal baking box 73 inside and stretches out horizontal baking box 73 on the width of horizontal baking box 73.
As shown in Figure 1, described double screw extruder 1 comprises feed system 15, lubricating system 16, pumped vacuum systems 14, cooling water system 13, head 11, screw barrel 12, distributes transmission case 17, twin-screw extrusion motor 18, described screw barrel 12 comprises machine barrel, screw rod, mandrel, described screw rod and machine barrel adopt building block system design, wherein said screw rod has by various on mandrel in tandem the screw elements that exchange performance and forms, and described cylindrical shell is assembled by a plurality of opening cylindrical shells, a plurality of cylindrical shell and side direction feed cylinder of remaining silent; Described cylindrical shell is provided with cast aluminium and cast copper heater, and described cast aluminium is connected with temperature control instrument with cast copper heater.Described temperature control instrument is RKC temperature control instrument.Described screw rod comprises common nitrogenize screw rod and the extraordinary screw rod that strengthens, and described cylindrical shell comprises common nitrogenize cylindrical shell and the extraordinary cylindrical shell that strengthens, and wherein strengthens cylindrical shell and is all lined with antifriction alloy lining.Described twin-screw extrusion motor 18 adopts variable-frequency governor speed governing, and stable drive, transmission efficiency is high, noise is low, the high life of its bearing and gear.The double screw extruder 1 of the mechanism structure that goes out a section, two sections or multistage vacuum exhaust capable of being combined as shown in Figure 1, there is strong and multichannel feeding position, and side feeding position, the pellet of can annotating, powder, sheet material, the various materials such as fluid material, meet the requirement of high quality of products.Cylindrical shell adopts cast aluminium and cast copper heater simultaneously, and adopts circulation soft water cooling, by RKC temperature control instrument, realizes the heating of cylindrical shell, cooling control, automatically regulates temperature.
As shown in Figure 2, described three-roller calendar 2 comprises that left and right stand 21, base, three roller running parts 22, roll spacing regulate part 23, move forward and backward device 29, pressure roller up-down adjustment part 25, roller water circulation pipe part 24, safe self-locking switch 26, three rollers and hauling machine tube connector 28, Hydraulic Station 27.Described left and right stand 21 adopts steel plates to process, and makes that positioning precision is high, structural strength is high, and left and right stand 21 is fixed on base, described base is formed by channel-section steel, Plate Welding, form frame structure, contact-making surface, through fine finishining, has guaranteed the accuracy between three rollers.Described pressure roller adopts seamless steel pipe welding processing and makes through cold pressing treatment, processing fine grinding, and modifier treatment, plating hard chromium on surface, polishing, fineness reaches 14, thereby guarantees fineness, flatness and the thickness deviation of sheet material.Described three roller running parts 22 comprise three cover servomotors, three pressure rollers that are arranged in parallel and arrange, three pressure rollers comprise front pressure roller, rear pressure roller, middle pressure roller, servomotor is corresponding one by one with pressure roller, and servomotor is connected with pressure roller by reductor, has guaranteed the synchronism of three roller speed.Described roller water circulation pipe part 24 comprises water inlet pipe, outlet pipe, swivel joint, is arranged on the spiral runner in each pressure roller, this runner is connected with water inlet pipe, water side respectively, spiral runner makes that flow of cooling water is good, contact area is large, thus good cooling results.Swivel joint is arranged on the spindle nose of roller not operation face, the cooling entrance by swivel joint of external temperature control enters in roller, the other end through roller circulated to roller, cooling water is constantly injected into, saturated cooling water will, along cylinder inner counter runner, by swivel joint, be flowed out by delivery port again, complete a cyclic process, recycle.
The roll spacing that described roll spacing regulates part 23 to comprise and is supported in the stand of left and right regulates cylinder bracket, on roll spacing adjusting cylinder bracket, stationary roll is apart from regulating oil cylinder, by roll spacing, regulate seesawing of oil cylinder band dynamic pressure roller, the compression of pressure roller before and after realizing, thereby dancer rools distance, simultaneously, for guaranteeing precision, described each pressure roller two ends are provided with pressure roller shaft bearing, rail plate pair are housed below this pressure roller shaft bearing, improve overall precision.The bearing block of described middle pressure roller both sides is provided with wedge, and middle pressure roller one side is provided with rotation adjusting handle, and described rotation adjusting handle is connected with wedge by leading screw, realizes the rising and the decline that by rotating adjusting handle, regulate wedge, and then dancer rools distance; Described bearing block is provided with dial gauge, the distance of this dial gauge for showing that wedge rises and declines.
The described device 29 that moves forward and backward comprises and moves forward and backward reducing motor, front and back travelling wheel, moving forward and backward reducing motor drives front and back travelling wheel to move forward and backward, front and back travelling wheel is arranged on pressure roller riser below, and three pressure roller integral body on the forward-reverse band dynamic pressure roller riser of front and back travelling wheel move forward and backward.Limit switch before and after pressure roller riser is provided with, position can be determined by this front and back limit switch in the location of the mould on three pressure rollers and head, has reduced the location adjusting time of mould and three pressure rollers.
Described pressure roller up-down adjustment part 25 comprises spiral lift, screw mandrel, and the rotating of spiral lift drives screw mandrel to move up and down, thereby drives three pressure roller integral body to move up and down.What move up and down is spacingly controlled by the bound bit switch that is located at three roller risers, is convenient to the location up and down of the mould on three roller rollers and head, reduces test-run a machine and regulates the time.
Described safe self-locking switch 26 comprises safety rope and self-lock switch, and described safety rope is arranged on the top of three pressure rollers, and when described safety rope is touched, self-lock switch action, can ensure personal safety and device security.
Described three rollers and hauling machine tube connector 28 comprise two pick up the ears seat, tube connector, adjusting bolts, and it is upper that tube connector is fixed on two seats of picking up the ears, and described adjusting bolt regulates the angle of tube connector, thereby realizes the center adjustment between three-roller calendar 2 and hauling machine 3; Described three-roller calendar 2 is connected with hauling machine 3 with hauling machine tube connector 28 by three rollers.
Described Hydraulic Station 27 comprises that overflow valve, unidirectional control valve, roll spacing regulate oil cylinder, oil pipe, and described overflow valve, unidirectional control valve control roll are apart from the pressure and the speed that regulate oil cylinder, and before and after making, pressure roller is realized folding and compressed high transmittance film sheet material.Gap between roller is adjusted, and by the bearing block wedge leading screw fine setting on centering pressure roller, realizes.
As shown in Figure 3, described hauling machine 3 comprises carry-over pinch rolls part 31, trimming part 32, carrying roller 33, tensioner part 34, travelling wheel part 35 and guide rail 36, carry-over pinch rolls part 31, trimming part 32, carrying roller 33, tensioner part 34, travelling wheel part 35 and guide rail 36 are all fixed in hauling machine frame, described carry-over pinch rolls part 31 comprises upper glue roller, lower rubber roller, traction reducing motor, described traction reducing motor drives upper and lower rubber roll to rotate by sprocket wheel, thereby drives high transmittance film sheet material to move forward; Described trimming part 32 comprises turbine worm reducer, axis, is arranged on two cutting knifes on axis, described turbine worm reducer drives two cutting knifes above axis to rotate to an angle, by turbine worm reducer power transmission, cutting knife is rotatable arbitrarily angled, make to keep between high transmittance film and the blade of cutting knife best cutting angle, to guarantee the trimming quality of goods, when without trimming, cutting knife part can be arrived to safe angle by the turbine and worm manual adjustments on worm-gear speed reducer; Described carrying roller 33 is aluminium roller, and it is cooling that the high transmittance film rolling through three rollers process carrying roller carries out sufficient air; Described tensioner part 34 comprises displacement transducer, tightening roller, analog-to-digital conversion module, wherein displacement transducer is arranged near in the hauling machine frame of high transmittance film goods feed end, the signal that displacement transducer detects is converted to digital quantity through analog-to-digital conversion module, tightening roller is adjusted the rotating speed of the traction reducing motor of hauling machine according to this digital quantity, hauling machine is mated with the pressure roller rotating speed of three-roller calendar, and tightening roller is the important composition parts of tensioner part.The position of tightening roller regulates according to the speed of production of articles speed by swing arm.Speed of production is accelerated, and the cylinder axis that is connected to displacement transducer stretches out, and tightening roller upwards lifts, and the closer to carrying roller 33, speed of production slows down, and the cylinder axis of connection bit displacement sensor is retracted, and away from carrying roller 33, idler roller is downward, near hauling machine frame bottom.Continuous variation by tightening roller makes up speed of production and changes the goods that produce and pile up.
Shown in tensioner part 34 in the production process of high transmittance film, follow the variation of speed and change, when speed slows down or improve, displacement transducer is passed to module by signal, controls the speeds match of hauling machine and three pressure rollers by module modulus, to guarantee the normal operation of whole production line.Travelling wheel part 35 is worked in coordination with rail sections 36, and described hauling machine 3 is arranged on guide rail 36 by travelling wheel part 35, and hauling machine 3 can be moved around on guide rail 36.Travelling wheel part 35 is connected by tube connector with three pressure rollers.In test-run a machine process, inevitably need to adjust the distance between head and three rollers, equipment moves forward and backward in process, and hauling machine 3 moves around in rail sections 35 by travelling wheel part 36, to reach the object of adjusting.
As shown in Figure 4,5, described nine roller preheating devices 4 comprise nine roller preheating frames 41, roller part 42, pressure roller part 43, heat exchange section 44, nine roller preheating running parts 45; Described nine roller preheating frames are formed by square tubes soldering, form the rational high-mechanic underframe of a mechanical structure, can bear and offset in equipment running process from the interference of external force, and assurance equipment is firmly stable.Described pressure roller part 43 comprises the pre-hot-pressing roller at the charging aperture place that is positioned at nine roller preheating devices 4, and described roller part 42 comprises the roller of nine same structures of the layout that is staggered up and down, and the diameter of described pre-hot-pressing roller is less than the diameter of roller.Described heat exchange section 44 comprises heat conductive oil inlet, heat-conducting oil pipes, the conduction oil outlet being arranged on each roller, described heat-conducting oil pipes is positioned at roller inside and two terminations are connected with heat conductive oil inlet, conduction oil outlet respectively, the conduction oil outlet of adjacent roller is connected with heat conductive oil inlet, the heat conductive oil inlet of the roller at close charging aperture place is connected with the outlet of conduction oil temperature controller, and the conduction oil outlet of the roller at close discharging opening place is connected with the import of conduction oil temperature controller.The import and export of described roller is positioned at a side of roller, this import and export position is provided with thermocouple, the roller of realizing from the inlet to the outlet has different temperature, and temperature from low to high, and the height of the thermocouple temperature controllable of therefore importing and exporting by heat exchange and roller is realized heating gradually.45 1 nine roller preheating reductors of described nine roller preheating running part, nine roller preheating reductors are connected with entrance roller, all the other eight passive transmissions of roller, the drive sprocket on speed reducer output shaft is by chain and being connected by movable sprocket on the roller of porch.
As shown in Figure 6, described longitudinal stretching machine 5 comprises longitudinal stretching frame 51, string oiling roller 52, heater 53, the first chill roll 54, in described string oiling roller 52, be provided with spirality heat conducting oil pipe, after the conduction oil of being convenient to uniform temperature enters roller, along barrel, along with the rotation of roller, flow, make roller surfaces temperature even.Described the first chill roll 54 comprises chill roll and lower chill roll, described string oiling roller 52 arranges with upper chill roll is parallel, between described string oiling roller 52 and upper chill roll, be provided with ceramic heating pipe, the top of described string oiling roller 52 and upper chill roll is provided with heater 53, in described upper and lower chill roll, is equipped with water supply pipe.Described heater 53 is infrared heating device.Described longitudinal stretching machine 5 is the first longitudinal stretching after by nine roller preheatings for high transmittance film sheet material, the size of stretching ratio will lean on test-run a machine personnel's experience and the thickness of sheet material to regulate gradually when first test-run a machine, is to determine that sheet material enters that horizontal after biaxial tension baking oven to draw the primary step of the width value uniformity be also important step.Described longitudinal stretching frame 51 is by two risers of Q235-A, by channel-section steel, is formed by connecting up and down, and firmly attractive in appearance and saving space simple in structure, is fixed with cylinder on these two risers.When high transmittance film sheet material through being heated roller above time, the heater 53 on top and the above ceramic heating pipe between two rollers give sheet material top and bottom certain temperature, make it post bake.The height of heater 53 temperature can lead to the cylinder being fixed on two risers of left and right and regulate.High transmittance film sheet material after being heated is after post bake, there is obvious variation in molecular structure, in order not allow it stick on rubber roll and to pass through more smoothly roller, spy is provided with chill roll, and the inside of chill roll is the running water of temperature conventionally, make sheet material after chill roll again Slow cooling get off and be unlikely to quenching, guaranteed the performance of sheet material.
As shown in Figure 7, described cooling hauling machine 6 comprises cooling traction frame 61, cooling traction element 64, cooling Traction Drive part 63, the second chill roll 62, and described cooling traction element comprises traction rubber roll, lower traction rubber roll; Described cooling Traction Drive partly comprises cooling traction reducing motor, and described cooling traction reducing motor drives upper and lower traction rubber roll to rotate by sprocket wheel, thereby high transmittance film sheet material travels forward; Described the second chill roll 62 comprises at least three cooling rubber rolls that are staggered up and down and arrange, and in each cooling rubber roll, is equipped with cooling water pipeline, and the entrance of this cooling water pipeline is connected with water supply pipe.This cooling hauling machine 6 is for when entering transverse drawing mill 7, can make high transmittance film goods can be thoroughly cooling and enter smoothly transverse drawing mill 7.Cooling traction frame 61 is by being formed by fixedly connecting by channel-section steel in the middle of two risers of about Q235-A, firm supporting not only, and save material and be beneficial to installation.Cooling water pipeline Nei Tongchangwen running water, the high transmittance film sheet material by post bake and after stretching is thoroughly cooled to normal temperature state at this, has completed the once variation of base material interior molecules structure.
As shown in Figure 8, described air-heater 71 comprises heater, temp controlled meter, temperature sensor, IGCT power regulating eqiupment, described temperature sensor is arranged on the air outlet place of air-heater, the temperature signal of described temp controlled meter collecting temperature sensor is also controlled IGCT power regulating eqiupment, the heating power of IGCT power regulating eqiupment control heater, described heater comprises several heating tubes.During work, IGCT power regulating eqiupment is controlled the adjustment of storage heater power, can keep the temperature stabilization of hot-blast outlet.When temperature does not reach design temperature, blower fan running speed is accelerated, and triac controller is just carried out and adjusted electrical heating power, improves output; When temperature reaches requirement, blower fan running speed is gradually slack-off, and triac controller is just carried out and adjusted electrical heating power, reduces output.
Laterally transmission 72 is mainly used in the transmission of fixture on high transmittance film biaxial tension sheet material equipment and the adjusting of clamp high transmittance film biaxial tension sheet width, to adapt to the requirement of different in width high transmittance film sheet material stretching.Transverse oven 73 is divided into and from feed end to discharge end, is divided into preheating section, stretch section, stable section.Preheating section makes the goods that enter baking oven have uniform temperature, is convenient to stretch; Along with the arranged direction of horizontal transmission system and guide rail, heated sheet material broadens gradually on width, reaches after desired width, and the track of following guide rail progressively enters stable section, at stable section goods in a wide state.In transverse oven 73 inside of whole sealing, the internal circulation system in the sealing of effect down stroke of air-heater 71, makes the temperature of oven interior remain uniform state.
As shown in Figure 9, for lateral traction machine 8, its structure and cooling hauling machine 6 are roughly the same, it comprises lateral traction frame 81, lateral traction part 82, lateral traction running part 83, lateral traction frame 81 is by being formed by fixedly connecting by channel-section steel in the middle of two risers of Q235-A left and right, firm supporting not only, and save material and be beneficial to installation.Described lateral traction part 82 drives lower rubber roller to rotate by reductor by sprocket wheel, drives high transmittance film sheet material constantly to move forward, and is the power place of whole hauling machine equipment.Described lateral traction running part 83 is comprised of reductor and sprocket wheel, chain, is the intermediate link that reductor drives roller turn.
As shown in figure 10, described coiling machine 9 comprises and batches frame 91, rotation winding up roller 92, revolution winding up roller 93, batches running part 94.The described frame 91 of batching is pieced together and is welded by channel-section steel and sheet material, comprise the two groups of bracing frames in left and right, these two groups of bracing frames are respectively used to support two groups of side box bodies, the place, four angles of batching frame below is welded with Cable chute, described Cable chute below is provided with ditch leading screw, by ditch leading screw, regulates centre-height.The described running part 94 that batches comprises autobiography driving motor and revolution driving motor, and described autobiography driving motor drives rotation winding up roller 92 and revolution winding up roller 93 to rotate by Timing Belt respectively.Described revolution driving motor rotates 180 degree by sprocket wheel and chain-driving rotation winding up roller 92, thereby realizes the location swap of rotation winding up roller 92 and revolution winding up roller 93.Described automatic roller winding 92 and revolution winding up roller are gas expansion shaft or self-control winding off spindle.
Coiling machine 9 is for batching sheet material, it provides power by rotation driving motor, by gear drive, drive gas expansion shaft (or self-control winding off spindle) rotation, realize single shaft and batch, when batching length while reaching desired preseting length, under the powered rotation of revolution driving motor, the position of two gas expansion shafts (or self-control winding off spindle) is realized and being exchanged, and sheet material will be rolled to the gas expansion shaft (or self-control winding off spindle) of blank coil, and the axle that was originally rolled up sheet material unloads volume, thereby realize diaxon, be used alternatingly, rolling efficiency is high.When one of them winding off spindle goods is completely rolled up, need to not shut down and more renew volume, revolution winding up roller 93 has played vital effect.
As shown in figure 11, a kind of high transmittance film production technology, comprises the following steps:
(1) batching step: above expect batch can-by feed in raw material-static mixer of feed screw-extrude hopper;
(2) extrusion step: extrude hopper-feed screw-extruder-coarse filter-measuring pump-fine filter-melt pipe-die head;
(3) longitudinal stretching step: vertical to draw preheating-infrared heating-vertical stretching-vertical to draw cooling;
(4) cross directional stretch step: coatedly-horizontal online draw preheating-stretching-buffering-sizing-cooling-traction;
(5) thickness monitoring step: traction-calibrator;
(6) sided corona treatment step: traction-sided corona treatment;
(7) break-thickness measuring-sided corona treatment-cut-rolling of step: traction-trimming-Bian is cut in traction rolling online;
(8) waste recovery step: limit is broken-heavy broken-batch can, by expecting in batch can on again after waste material fragmentation, recycles.
The viscosity of described step (1) Raw is 0.62-0.65, and adds nano plastic in described raw material.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (10)
1. a high transmittance film production line, for the production of high transmittance film goods, it is characterized in that, comprise the double screw extruder, three-roller calendar, hauling machine, nine roller preheating devices, longitudinal stretching machine, cooling hauling machine, transverse drawing mill, horizontal hauling machine, the coiling machine of drawing that set gradually; Wherein transverse drawing mill comprises horizontal baking box, laterally transmission, air-heater, and described horizontal transmission is arranged on horizontal baking box inside and stretches out horizontal baking box on the width of horizontal baking box.
2. a kind of high transmittance film production line according to claim 1, it is characterized in that, described double screw extruder comprises feed system, lubricating system, pumped vacuum systems, cooling water system, head, screw barrel, distribution transmission case twin-screw extrusion motor, described screw barrel comprises machine barrel, screw rod, mandrel, described screw rod has by various on mandrel in tandem the screw elements that exchange performance and forms, and described cylindrical shell is assembled by a plurality of opening cylindrical shells, a plurality of cylindrical shell and side direction feed cylinder of remaining silent; Described cylindrical shell is provided with cast aluminium and cast copper heater, and described cast aluminium is connected with temperature control instrument with cast copper heater.
3. a kind of high transmittance film production line according to claim 1, it is characterized in that, described three-roller calendar comprises that left and right stand, base, three roller running parts, roll spacing regulate part, move forward and backward device, pressure roller up-down adjustment part, roller water circulation pipe part, safe self-locking switch, three rollers and hauling machine tube connector, Hydraulic Station; The stand of described left and right is fixed on base; Described three roller running parts comprise three cover servomotors, three pressure rollers, and three pressure rollers comprise front pressure roller, middle pressure roller and the rear pressure roller that parallel distribution arranges, and servomotor is corresponding one by one with pressure roller, and servomotor is connected with pressure roller by reductor; Described roller water circulation pipe partly comprises water inlet pipe, outlet pipe, swivel joint, is arranged on the spiral runner in each pressure roller, and this runner is connected with water inlet pipe, water side respectively; Described roll spacing adjusting portion is divided and is comprised that the roll spacing being supported in the stand of left and right regulates cylinder bracket; Described each pressure roller two ends are provided with pressure roller shaft bearing, rail plate pair are housed below this pressure roller shaft bearing; The bearing block of described middle pressure roller both sides is provided with wedge, and middle pressure roller one side is provided with rotation adjusting handle, and described rotation adjusting handle is connected with wedge by leading screw, realizes the rising and the decline that by rotating adjusting handle, regulate wedge, and then dancer rools distance; Described bearing block is provided with dial gauge, the distance of this dial gauge for showing that wedge rises and declines; Described three-roller calendar is connected with hauling machine with hauling machine tube connector by three rollers; Described Hydraulic Station comprises that overflow valve, unidirectional control valve, roll spacing regulate oil cylinder, oil pipe.
4. a kind of high transmittance film production line according to claim 1, it is characterized in that, described hauling machine comprises carry-over pinch rolls part, trimming part, carrying roller, tensioner part, travelling wheel part and rail sections, described carry-over pinch rolls part, trimming part, carrying roller, tensioner part, travelling wheel part and rail sections are arranged in hauling machine frame, described carry-over pinch rolls partly comprise upper glue roller, lower rubber roller, traction reducing motor, described traction reducing motor drives upper and lower rubber roll to rotate by sprocket wheel, thereby drives high transmittance film sheet material to move forward; Described trimming partly comprises turbine worm reducer, axis, is arranged on two cutting knifes on axis, and described turbine worm reducer drives two cutting knifes above axis to rotate to an angle; Described carrying roller is aluminium roller; Described tightening part divides and comprises displacement transducer, tightening roller, analog-to-digital conversion module, wherein displacement transducer is arranged near in the hauling machine frame of high transmittance film goods feed end, the signal that displacement transducer detects is converted to digital quantity through analog-to-digital conversion module, tightening roller is adjusted the rotating speed of the traction reducing motor of hauling machine according to this digital quantity, hauling machine is mated with the pressure roller rotating speed of three-roller calendar; Described hauling machine is partly arranged on guide rail by travelling wheel, and hauling machine can be moved around on guide rail.
5. a kind of high transmittance film production line according to claim 1, is characterized in that, described nine roller preheating devices comprise nine roller preheating frames, roller part, pressure roller part, heat exchange section, running part; Described nine roller preheating frames are formed by square tubes soldering; Described pressure roller partly comprises the pre-hot-pressing roller at the charging aperture place that is positioned at nine roller preheating devices, and described roller partly comprises the roller of nine same structures of the layout that is staggered up and down, and the diameter of described pre-hot-pressing roller is less than the diameter of roller; Described heat exchange section comprises heat conductive oil inlet, heat-conducting oil pipes, the conduction oil outlet being arranged on each roller, described heat-conducting oil pipes is positioned at roller inside and two terminations are connected with heat conductive oil inlet, conduction oil outlet respectively, the conduction oil outlet of adjacent roller is connected with heat conductive oil inlet, the heat conductive oil inlet of the roller at close charging aperture place is connected with the outlet of conduction oil temperature controller, and the conduction oil outlet of the roller at close discharging opening place is connected with the import of conduction oil temperature controller; Described running part comprises nine roller preheating reductors, and nine roller preheating reductors are connected with entrance roller, all the other eight passive transmissions of roller, and the drive sprocket on speed reducer output shaft is connected by movable sprocket by chain and porch.
6. a kind of high transmittance film production line according to claim 1, it is characterized in that, described longitudinal stretching machine comprises longitudinal stretching frame, string oiling roller, heater, the first chill roll, in described string oiling roller, be provided with spirality heat conducting oil pipe, described the first chill roll comprises chill roll and lower chill roll, described string oiling roller and upper chill roll are parallel to be arranged, between described string oiling roller and upper chill roll, be provided with ceramic heating pipe, the top of described string oiling roller and upper chill roll is provided with heater, in described upper and lower chill roll, is equipped with water supply pipe; Described heater is infrared heating device.
7. a kind of high transmittance film production line according to claim 1, it is characterized in that, described cooling hauling machine comprises cooling traction frame, cooling traction element, cooling Traction Drive part, the second chill roll, and described cooling traction element comprises traction rubber roll, lower traction rubber roll; Described cooling Traction Drive partly comprises cooling traction reducing motor, and described cooling traction reducing motor drives upper and lower traction rubber roll to rotate by sprocket wheel, thereby high transmittance film sheet material travels forward; Described the second chill roll comprises at least three cooling rubber rolls that are staggered up and down and arrange, and in each cooling rubber roll, is equipped with cooling water pipeline, and the entrance of this cooling water pipeline is connected with water supply pipe.
8. a kind of high transmittance film production line according to claim 1, it is characterized in that, air-heater in described transverse drawing mill comprises heater, temp controlled meter, temperature sensor, IGCT power regulating eqiupment, described temperature sensor is arranged on the air outlet place of air-heater, the temperature signal of described temp controlled meter collecting temperature sensor is also controlled IGCT power regulating eqiupment, the heating power of IGCT power regulating eqiupment control heater, described heater comprises several heating tubes.
9. a kind of high transmittance film production line according to claim 1, it is characterized in that, described coiling machine comprises and batches frame, rotation winding up roller, revolution winding up roller, running part, the described frame of batching comprises the two groups of bracing frames in left and right, these two groups of bracing frames are respectively used to support two groups of side box bodies, the place, four angles of batching frame below is welded with Cable chute, and described Cable chute below is provided with ditch leading screw; The described running part that batches comprises autobiography driving motor and revolution driving motor, and described autobiography driving motor drives rotation winding up roller and revolution winding up roller to rotate by Timing Belt respectively; Described revolution driving motor rotates 180 degree by sprocket wheel and chain-driving rotation winding up roller, thereby realizes the location swap of rotation winding up roller and revolution winding up roller; Described chain is arranged in side box body.
10. a high transmittance film production technology, is characterized in that, comprises the following steps:
(1) batching step: will expect batch can-by feed in raw material-static mixer of feed screw-extrude hopper on raw material;
(2) extrusion step: extrude hopper-feed screw-extruder-coarse filter-measuring pump-fine filter-melt pipe-die head;
(3) longitudinal stretching step: vertical to draw preheating-infrared heating-vertical stretching-vertical to draw cooling;
(4) cross directional stretch step: coatedly-horizontal online draw preheating-stretching-buffering-sizing-cooling-traction;
(5) thickness monitoring step: traction-calibrator;
(6) sided corona treatment step: traction-sided corona treatment;
(7) break-thickness measuring-sided corona treatment-cut-rolling of step: traction-trimming-Bian is cut in traction rolling online;
(8) waste recovery step: break-heavily break-batch can of limit,
Wherein, the viscosity of described step (1) Raw is 0.62-0.65, and adds nano plastic in described raw material.
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