CN106671455A - Silk-screen-printing-free light guide plate online production process and production device - Google Patents
Silk-screen-printing-free light guide plate online production process and production device Download PDFInfo
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- CN106671455A CN106671455A CN201610760313.6A CN201610760313A CN106671455A CN 106671455 A CN106671455 A CN 106671455A CN 201610760313 A CN201610760313 A CN 201610760313A CN 106671455 A CN106671455 A CN 106671455A
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- guide plate
- light guide
- slow cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/0073—Optical laminates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/44—Compression means for making articles of indefinite length
- B29C43/46—Rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/44—Compression means for making articles of indefinite length
- B29C43/46—Rollers
- B29C2043/461—Rollers the rollers having specific surface features
- B29C2043/463—Rollers the rollers having specific surface features corrugated, patterned or embossed surface
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a silk-screen-printing-free light guide plate online production process and production device. During production, an optical granular raw material is prepared by selecting a PMMA, PS, PC, MS, PET or PP material of which the light transmittance is 87-90% and the refractive index is 1.53-1.62; and inorganic silicon or nano barium sulfate is selected as a dispersing agent. The process comprises the following steps: material selection; drying; material supply; hot melting; extrusion calendaring molding; cooling and detection; and film covering, cutting and stacking. By adoption of the silk-screen-printing-free light guide plate online production process and production device provided by the invention, multi-layer optical composite plates of various sizes and materials can be effectively produced; and the production equipment cost and the material requirements are low, the light transmittance and the precision of each finished product are high, and the practical value is very high.
Description
Technical field
The present invention relates to light guide plate production technical field, specially one kind exempt from silk-screen light guide plate online production technique with production
Equipment.
Background technology
Light guide plate is, using the acryl/PC plate material of optical grade, then to use and have high reflectivity and the not high-tech of extinction
Skill material, light guiding points are stamped in the acryl sheet material bottom surface of optical grade with UV screen printing technologies.Using optical grade acrylic plate
Material draws the light issued from lamp in the stop of optical grade acryl plate surface, when light is mapped to each light guiding points, reflects
Then light can destroy conditioned reflex and projected by light guide plate front toward all angles diffusion.By various densitys, not of uniform size lead
Luminous point, can make light guide plate uniformly light-emitting.The purposes of reflector plate is that the light for exposing bottom surface is reflected back in light guide plate, for improving
The service efficiency of light.Existing light guide plate production equipment complex structure, complex manufacturing causes low production efficiency.
The content of the invention
It is an object of the invention to provide one kind exempts from silk-screen light guide plate online production technique and production equipment, it is above-mentioned to solve
The problem proposed in background technology.
For achieving the above object, the present invention provides following technical scheme：
Exempt from silk-screen light guide plate online production technique and production equipment, it is characterised in that including drying machine, dust removal machine, with extension set, list
Screw extruder, Multi-layer coextruding die head, multiple roll extruder, slow cooling frame, flaw detecting instrument, traction laminating machine, trimming hauling machine, horizontal stroke
Cut machine, manipulator, the drying machine by dry feedstock transportation to dust removal machine dedusting, dust removal machine by the feedstock transportation after dedusting extremely
Single screw extrusion machine hopper, at the same time with extension set by additive rationing to single screw extrusion machine, single screw extrusion machine will
Raw material kneading plasticizing becomes to be delivered to Multi-layer coextruding die head after solution, and the uniform thin slice of Multi-layer coextruding die head extrusion multi-layered thickness is extremely
Multiple roll extruder, it is integral that multiple roll extruder presses edge to press composite wafer after going out customized surface texture on composite wafer,
Thin slice after the pressing of multiple roll extruder is delivered to slow cooling frame Slow cooling, is arranged at the flaw detecting instrument on slow cooling frame to thin slice product
Matter carries out real-time monitoring, and the thin slice of Jing slow cooling frame cooling is delivered to traction laminating machine carries out surface coating, is covered by traction laminating machine
Thin slice after film is delivered to trimming hauling machine excision both sides rim charge, then is delivered to transverse cutting unit and carries out crosscutting into block thin slice, machinery
Hand by block thin slice crawl after piling；Also include net-changing device, measuring pump, hanger-style die, multi-rolling mill, the net-changing device is consolidated
Surely single screw extrusion machine side is arranged on, the net-changing device side is fixed with measuring pump, and the measuring pump side arranges clothes hanger
Coventry type die head coventry, the hanger-style die is arranged on multi-rolling mill upper end；The multi-rolling mill include stack, front swing arm, after
Swing arm, the stack both sides are respectively provided with front swing arm and rear-swing arm, and lash adjusting device is provided between the stack, described
Stack is also connected with slow cooling frame；
Exempt from the extrusion calendaring technique of silk-screen light guide plate：
1. sorting：It is 87%~90% from light transmittance, refractive index is 1.53 to 1.62 PMMA, PS, PC, MS, PET or PP material
Material makes optical grade feed particulate material；
2. it is dried：1. the raw material feeding drying machine in is dried into process, raw aqueous rate≤0.13% is made；
3. feed：By dry feedstock transportation to dust removal machine dedusting；Dust removal machine is by the feedstock transportation after dedusting to Single screw extrusion
Machine hopper, at the same time with extension set by diffusant rationing to single screw extrusion machine；
4. heat：By the raw material of mixing diffusant in single screw extrusion machine, become using 220 DEG C~260 DEG C temperature kneading plasticizings
Into solution；
5. extrusion calendaring shaping：Raw material kneading plasticizing is become to be delivered to Multi-layer coextruding die head after solution by single screw extrusion machine, many
To multiple roll extruder, multiple roll extruder presses edge to go out and pressure to the uniform thin slice of layer co-extrusion die head extrusion multi-layered thickness on composite wafer
Prolong and press composite wafer after the adaptable surface texture of roller surface integral, obtain thickness for the optically thin of 0.2mm~10mm
Sheet material, otpical leaf plate surface has various micro-structurals；
6. cooling and detection：Thin slice after the pressing of multiple roll extruder is exported to slow cooling frame Slow cooling, is arranged on slow cooling frame
Flaw detecting instrument carries out real-time monitoring to Chip Quality；
7. overlay film：The thin slice of Jing slow cooling frame cooling is delivered to traction laminating machine and carries out surface coating；
8. piling is cut：Trimming hauling machine excision both sides rim charge is delivered to by the thin slice after traction laminating machine overlay film, then is delivered to
Transverse cutting unit carries out crosscutting into block thin slice, and manipulator is by piling after the crawl of block thin slice.
Further, otpical leaf plate surface structure has pyramid, arc cylinder shape, prism shape, planar shaped, multilayer
Co-extrusion shape etc..Described prism shape is ∧ or ∩, and prism shape angle 70-130 degree, is highly 5-55 μm;Circular arc
With cylinder a diameter of 10-220 μm, be highly 10-60 μm.
Further, the pitch of described various micro-structurals is at 20 μm -500 μm.The arrangement mode of its pitch is straight line row
Row or angle of inclination arrangement and dot matrix arrangement.
Further, described micro-structural angular error is controlled at ± 0.5 degree.
Further, described thin slice sheet material is single layer of substrate material or multi-layer substrate co-extrusion.
Further, the base material haze value of described multi-layer co-extruded thin slice sheet material can be with identical or differ.
Further, the diffusant for adding in described base material can be spherical ultra tiny of inorganic silicon or organosilicon
Grain.
Further, described 3-5 stack 105 of multiple roll extruder configuration.
Further, the stack be column type, diameter phi 400- φ 500, surface has plated one by electrochemical method
The nickel alloy layer of 500 μm -1000 μm of layer, using ultraprecise diamond machining tool microstructured layers have been carved, and its micro-structural includes
Prism structure, pyramid structure, cylindrical structural, arc point structure, frosting structure etc., pitch is at 20 μm -500 μm.
Further, a plurality of slow cooling roller is arranged on described slow cooling frame, slow cooling roller has water-cooled with air-cooled structure, slow cooling
Roller surface is using chromium plating and Teflon technology.
Further, described traction laminating machine has a pair of carry-over pinch rolls, and the surface of roller is specific rubber layer, with double
Overlay film system, diaphragm is smooth after spreading roll to be fitted in product surface.
Further, described trimming hauling machine has two pairs of carry-over pinch rolls, between be provided with cut circular saw trimming mode or
It is that nothing cuts cutting disc trimming mode, two kinds of trimming modes all can be adjusted in width.
Further, described transverse cutting unit point cuts saw blade cutting with without paring blade cutting, and two kinds of cutting modes can
Qualified product size is cut to blooming piece sheet material.
Further, the manipulator is adopted and captures product without shadow vacuum cup.
Further, it is provided with cooling duct in the stack.
Further, the Multi-layer coextruding die head includes die lip, rack-style runner, damping block, die body, runner mouth and adds
Gas ket plug, the die body lower end is provided with die lip, and the die body upper end center is provided with runner mouth, and the die body upper surface is additionally provided with
Multiple heating collar plugs, the runner mouth connects rack-style runner.
Compared with prior art, the invention has the beneficial effects as follows：The present invention has advantages below：
1st, only a kind of material is used, and by once prolonging molded, it is not necessary to biaxial tension manufacture basement membrane is first passed through, then on basement membrane
Fang Caiyong UV ultraviolet curing processes are manufactured, and while the cost of raw material is low, shorten manufacturing man-hours, overall low cost.
2nd, due to using solvent, also the method for relatively coating will get well in environmental protection, security, the impact to environment
It is little.
3rd, the present invention is manufactured directly from the macromolecular material of high permeability refractive index by way of hot melt prolongs pressure, its
Manufacturing process is simple.
4th, only the transmitance of product is improve with a kind of shaping of material, makes the refractive index of product more stable, will not be because of
The material of two or more unlike material is overlapped and affects refractive index.
Description of the drawings
Fig. 1 is apparatus of the present invention structural representation；
Fig. 2 is apparatus of the present invention partial structural diagram；
Fig. 3 is the Multi-layer coextruding die head side view of the present invention；
Fig. 4 is the Multi-layer coextruding die head front view of the present invention；
Fig. 5 is stack structural representation of the present invention；
Fig. 6 is the product structure schematic diagram of the present invention；
Fig. 7 is the amplification one of which structural representation in Fig. 6 at F；
Fig. 8 is the amplification one of which structural representation in Fig. 6 at F；
Fig. 9 is the amplification one of which structural representation in Fig. 6 at F；
Figure 10 is the amplification one of which structural representation in Fig. 6 at F；
Figure 11 is the enlarged diagram that this product surface is cylindrical protrusions；
It is the raised enlarged diagram of pyramid that Figure 12 is this product surface；
In figure：1- drying machines, 2- dust removal machines, 3- match somebody with somebody extension set, 4- single screw extrusion machines, 5- Multi-layer coextruding die heads, 6- multiple roll extrusions
Machine, 7- slow cooling framves, 8- flaw detecting instruments, 9- traction laminating machines, 10- trimming hauling machines, 11- transverse cutting units, 12- manipulators, 13- are changed
Wire stitcher, 14- measuring pumps, 15- hanger-style dies, 16- multi-rolling mills, 17- stacks, 18- front swing arms, 19- rear-swing arms, 20-
Lash adjusting device, 21- die lips, 22- rack-style runners, 23- damping blocks, 24- die bodys, 25- runner mouths, 26- heating collar plugs,
101- primary diaphragms, 102- bulge-structures, 103- secondary diaphragms, 105- stacks, 1051 cooling ducts.
Specific embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement
Example is only a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
Embodiment exempts from silk-screen light guide plate online production technique and production equipment, including drying machine 1, dedusting with reference to Fig. 1~12
Machine 2, with extension set 3, single screw extrusion machine 4, Multi-layer coextruding die head 5, multiple roll extruder 6, slow cooling frame 7, flaw detecting instrument 8, traction
Laminating machine 9, trimming hauling machine 10, transverse cutting unit 11, manipulator 12, drying machine 1 by dry feedstock transportation to the dedusting of dust removal machine 2,
Dust removal machine 2 by the feedstock transportation after dedusting to the hopper of single screw extrusion machine 4, at the same time with extension set 3 by additive rationing
To single screw extrusion machine 4, raw material kneading plasticizing is become to be delivered to Multi-layer coextruding die head 5, multilayer after solution by single screw extrusion machine 4
To multiple roll extruder 6, multiple roll extruder 6 presses edge to go out to order to the uniform thin slice of the extrusion multi-layered thickness of co-extrusion die head 5 on composite wafer
Composite wafer pressed after the surface texture of system it is integral, multiple roll extruder 6 press after thin slice to be delivered to slow cooling frame 7 slow cold
But, the flaw detecting instrument 8 being arranged on slow cooling frame 7 carries out real-time monitoring, the thin slice conveying of the cooling of Jing slow cooling frame 7 to Chip Quality
Surface coating is carried out to traction laminating machine 9, trimming hauling machine 10 is delivered to by the thin slice after the overlay film of traction laminating machine 9 and is cut off both sides
Rim charge, then be delivered to transverse cutting unit 11 and carry out crosscutting into block thin slice, manipulator 12 is by piling after the crawl of block thin slice；Also include changing
Wire stitcher 13, measuring pump 14, hanger-style die 15, multi-rolling mill 16, net-changing device 13 is fixedly installed on single screw extrusion machine 4 one
Side, the side of net-changing device 13 is fixed with measuring pump 14, and the side of measuring pump 14 arranges hanger-style die 15, and hanger-style die 15 is arranged
In the upper end of multi-rolling mill 16；Multi-rolling mill 16 includes stack 17, front swing arm 18, rear-swing arm 19, the both sides of stack 17 point
Not She Zhi front swing arm 18 and rear-swing arm 19, be provided with lash adjusting device 20 between stack 17, stack 17 also with the phase of slow cooling frame 7
Even；
Exempt from the extrusion calendaring technique of silk-screen light guide plate：
1. sorting：It is 87%~90% from light transmittance, refractive index is 1.53 to 1.62 PMMA, PS, PC, MS, PET or PP material
Material makes optical grade feed particulate material；
2. it is dried：1. the raw material feeding drying machine 1 in is dried into process, raw aqueous rate≤0.13% is made；
3. feed：By dry feedstock transportation to the dedusting of dust removal machine 2；Dust removal machine 2 squeezes the feedstock transportation after dedusting to single screw rod
Go out the hopper of machine 4, at the same time with extension set 3 by diffusant rationing to single screw extrusion machine 4；
4. heat：By the raw material of mixing diffusant in single screw extrusion machine 4, become using 220 DEG C~260 DEG C temperature kneading plasticizings
Into solution；
5. extrusion calendaring shaping：Raw material kneading plasticizing is become to be delivered to Multi-layer coextruding die head 5 after solution by single screw extrusion machine 4,
To multiple roll extruder 6, multiple roll extruder 6 presses edge to the uniform thin slice of the extrusion multi-layered thickness of Multi-layer coextruding die head 5 on composite wafer
Go out after the surface texture being adapted with the surface of stack 105 to press composite wafer integral, obtain thickness for 0.2mm~10mm
Otpical leaf sheet material, otpical leaf plate surface has various micro-structurals；
6. cooling and detection：Thin slice after multiple roll extruder 6 is pressed is exported to the Slow cooling of slow cooling frame 7, is arranged on slow cooling frame 7
Flaw detecting instrument 8 real-time monitoring is carried out to Chip Quality；
7. overlay film：The thin slice of the cooling of Jing slow cooling frame 7 is delivered to traction laminating machine 9 and carries out surface coating；
8. piling is cut：Trimming hauling machine 10 is delivered to by the thin slice after the overlay film of traction laminating machine 9 and cuts off both sides rim charge, then conveyed
Carry out to transverse cutting unit 11 crosscutting into block thin slice, manipulator 12 is by piling after the crawl of block thin slice.
Wherein, otpical leaf plate surface structure has pyramid, arc cylinder shape, prism shape, planar shaped, multi-layer co-extruded
Shape etc..Described prism shape is ∧ or ∩, and prism shape angle 70-130 degree, is highly 5-55 μm;Circular arc and circle
A diameter of 10-220 μm of cylindricality, is highly 10-60 μm.
Wherein, at 20 μm -500 μm, the arrangement mode of its pitch is arranged in a straight line or inclines the pitch of various micro-structurals
Angle is arranged and dot matrix arrangement.
Wherein, micro-structural angular error is controlled at ± 0.5 degree.
Wherein, thin slice sheet material is single layer of substrate material or multi-layer substrate co-extrusion, and multi-layer co-extruded otpical leaf sheet material includes
Primary diaphragm 101, secondary diaphragm 103 and bulge-structure 102.
Wherein, the base material haze value of multi-layer co-extruded thin slice sheet material can be with identical or differ.
Wherein, the diffusant of addition can be the spherical ultra-fine particles of inorganic silicon or organosilicon in base material.
Wherein, 3-5 stack 105 of the configuration of multiple roll extruder 6.
Wherein, stack is column type, diameter phi 400- φ 500, surface by electrochemical method plated one layer 500 μm-
1000 μm of nickel alloy layer, using ultraprecise diamond machining tool microstructured layers have been carved, its micro-structural include prism structure,
Pyramid structure, cylindrical structural, arc point structure, frosting structure etc., pitch is at 20 μm -500 μm.
Wherein, a plurality of slow cooling roller is arranged on slow cooling frame 7, slow cooling roller has water-cooled and air-cooled structure, and slow cooling roller surface is adopted
With chromium plating and Teflon technology.
Wherein, drawing laminating machine 9 has a pair of carry-over pinch rolls, and the surface of roller is specific rubber layer, with double overlay film system,
Diaphragm is smooth after spreading roll to be fitted in product surface.
Wherein, trimming hauling machine 10 has two pairs of carry-over pinch rolls, between be provided with and cut circular saw trimming mode or without cutting circle
Dise knife trimming mode, two kinds of trimming modes all can be adjusted in width.
Wherein, 11 points of transverse cutting unit cuts saw blade cutting with without paring blade cutting, and two kinds of cutting modes can be to blooming
Sheet material cuts qualified product size.
Wherein, manipulator 12 captures product using without shadow vacuum cup.
Wherein, it is provided with cooling duct 1051 in stack 105.
Wherein, Multi-layer coextruding die head 5 include die lip 21, rack-style runner 22, damping block 23, die body 24, runner mouth 25 with
And heating collar plug 26, the lower end of die body 24 is provided with die lip 21, and the upper end center of die body 24 is provided with runner mouth 25, and the upper surface of die body 24 is also
It is provided with multiple heating collar plugs 26, the connection rack-style of runner mouth 25 runner 22.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (16)
1. exempt from silk-screen light guide plate online production technique and production equipment, it is characterised in that including drying machine, dust removal machine, with extension set,
Single screw extrusion machine, Multi-layer coextruding die head, multiple roll extruder, slow cooling frame, flaw detecting instrument, traction laminating machine, trimming hauling machine,
Transverse cutting unit, manipulator, by dry feedstock transportation to dust removal machine dedusting, dust removal machine is by the feedstock transportation after dedusting for the drying machine
To single screw extrusion machine hopper, at the same time with extension set by additive rationing to single screw extrusion machine, single screw extrusion machine
Raw material kneading plasticizing is become to be delivered to Multi-layer coextruding die head after solution, the uniform thin slice of Multi-layer coextruding die head extrusion multi-layered thickness
To multiple roll extruder, composite wafer is pressed into one by multiple roll extruder pressure on composite wafer after customized surface texture is gone out
Body, the thin slice after the pressing of multiple roll extruder is delivered to slow cooling frame Slow cooling, is arranged at the flaw detecting instrument on slow cooling frame to thin
Piece quality carries out real-time monitoring, and the thin slice of Jing slow cooling frame cooling is delivered to traction laminating machine carries out surface coating, by traction overlay film
Thin slice after machine overlay film be delivered to trimming hauling machine excision both sides rim charge, then be delivered to transverse cutting unit carry out it is crosscutting into block thin slice,
Manipulator by block thin slice crawl after piling；Also include net-changing device, measuring pump, hanger-style die, multi-rolling mill, the draping
Device is fixedly installed on single screw extrusion machine side, and the net-changing device side is fixed with measuring pump, and the measuring pump side is arranged
Hanger-style die, the hanger-style die is arranged on multi-rolling mill upper end；The multi-rolling mill includes stack, forward swing
Arm, rear-swing arm, the stack both sides are respectively provided with front swing arm and rear-swing arm, and adjustment dress in gap is provided between the stack
Put, the stack is also connected with slow cooling frame；
Exempt from the extrusion calendaring technique of silk-screen light guide plate：
1. sorting：It is 87%~90% from light transmittance, refractive index is 1.53 to 1.62 PMMA, PS, PC, MS, PET or PP material
Material makes optical grade feed particulate material；
2. it is dried：1. the raw material feeding drying machine in is dried into process, raw aqueous rate≤0.13% is made；
3. feed：By dry feedstock transportation to dust removal machine dedusting；Dust removal machine is by the feedstock transportation after dedusting to Single screw extrusion
Machine hopper, at the same time with extension set by diffusant rationing to single screw extrusion machine；
4. heat：By the raw material of mixing diffusant in single screw extrusion machine, become using 220 DEG C~260 DEG C temperature kneading plasticizings
Into solution；
5. extrusion calendaring shaping：Raw material kneading plasticizing is become to be delivered to Multi-layer coextruding die head after solution by single screw extrusion machine, many
To multiple roll extruder, multiple roll extruder presses edge to go out and pressure to the uniform thin slice of layer co-extrusion die head extrusion multi-layered thickness on composite wafer
Prolong and press composite wafer after the adaptable surface texture of roller surface integral, obtain thickness for the optically thin of 0.2mm~10mm
Sheet material, otpical leaf plate surface has various micro-structurals；
6. cooling and detection：Thin slice after the pressing of multiple roll extruder is exported to slow cooling frame Slow cooling, is arranged on slow cooling frame
Flaw detecting instrument carries out real-time monitoring to Chip Quality；
7. overlay film：The thin slice of Jing slow cooling frame cooling is delivered to traction laminating machine and carries out surface coating；
8. piling is cut：Trimming hauling machine excision both sides rim charge is delivered to by the thin slice after traction laminating machine overlay film, then is delivered to
Transverse cutting unit carries out crosscutting into block thin slice, and manipulator is by piling after the crawl of block thin slice.
2. silk-screen light guide plate online production technique and production equipment are exempted from as claimed in claim 1, it is characterised in that optically thin sheet
Material surface texture has pyramid, arc cylinder shape, prism shape, planar shaped, multi-layer co-extruded shape etc., and described prism shape is ∧
Or ∩, prism shape angle 70-130 degree, is highly 5-55 μm;A diameter of 10-220 μm of circular arc and cylinder is high
Spend for 10-60 μm.
3. silk-screen light guide plate online production technique and production equipment are exempted from as claimed in claim 2, it is characterised in that：Described is various
At 20 μm -500 μm, the arrangement mode of its pitch is arranged in a straight line or angle of inclination arrangement and dot matrix row to the pitch of micro-structural
Row.
4. silk-screen light guide plate online production technique and production equipment are exempted from as claimed in claim 3, it is characterised in that：Described micro- knot
Structure angular error is controlled at ± 0.5 degree.
5. exempt from silk-screen light guide plate online production technique and production equipment as claimed in claim 1, be characterised by, described slicer board
Material is single layer of substrate material or multi-layer substrate co-extrusion.
6. exempt from silk-screen light guide plate online production technique and production equipment as claimed in claim 5, be characterised by, described multilayer is total to
The base material haze value of crowded thin slice sheet material can be with identical or differ.
7. exempt from silk-screen light guide plate online production technique and production equipment as claimed in claim 1, be characterised by, in described base material
The diffusant of addition can be the spherical ultra-fine particles of inorganic silicon or organosilicon.
8. exempt from silk-screen light guide plate online production technique and production equipment as claimed in claim 1, be characterised by, the multiple roll extrusion
3-5 stack of machine configuration.
9. exempt from silk-screen light guide plate online production technique and production equipment as claimed in claim 1, be characterised by, the stack is
One layer 500 μm -1000 μm of nickel alloy layer has been plated on column type, diameter phi 400- φ 500, surface by electrochemical method, is adopted
Ultraprecise diamond machining tool has carved microstructured layers, and its micro-structural includes prism structure, pyramid structure, cylinder knot
Structure, arc point structure, frosting structure etc., pitch is at 20 μm -500 μm.
10. exempt from silk-screen light guide plate online production technique and production equipment as claimed in claim 1, be characterised by, described slow cooling
A plurality of slow cooling roller is arranged on frame, slow cooling roller has water-cooled and air-cooled structure, and slow cooling roller surface is using chromium plating and Teflon technology.
11. exempt from as claimed in claim 1 silk-screen light guide plate online production technique and production equipment, are characterised by, described traction
Laminating machine has a pair of carry-over pinch rolls, and the surface of roller is specific rubber layer, and with double overlay film system, diaphragm is after spreading roll
Smooth is fitted in product surface.
12. exempt from as claimed in claim 1 silk-screen light guide plate online production technique and production equipment, are characterised by, described trimming
Hauling machine has two pairs of carry-over pinch rolls, between be provided with and cut circular saw trimming mode or without cutting cutting disc trimming mode, two kinds are cut
Side mode all can be adjusted in width.
13. exempt from as claimed in claim 1 silk-screen light guide plate online production technique and production equipment, are characterised by, described is crosscutting
Machine point cuts saw blade cutting with without paring blade cutting, and two kinds of cutting modes can cut qualified product to blooming piece sheet material
Size.
14. exempt from as claimed in claim 1 silk-screen light guide plate online production technique and production equipment, are characterised by, the manipulator
Product is captured using without shadow vacuum cup.
15. exempt from as claimed in claim 8 silk-screen light guide plate online production technique and production equipment, are characterised by, the stack
Inside it is provided with cooling duct.
16. exempt from as claimed in claim 1 silk-screen light guide plate online production technique and production equipment, are characterised by,
The Multi-layer coextruding die head includes die lip, rack-style runner, damping block, die body, runner mouth and heating collar plug, described
Die body lower end is provided with die lip, and the die body upper end center is provided with runner mouth, and the die body upper surface is additionally provided with multiple heating collars and inserts
Head, the runner mouth connects rack-style runner.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760313.6A CN106671455A (en) | 2016-08-30 | 2016-08-30 | Silk-screen-printing-free light guide plate online production process and production device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760313.6A CN106671455A (en) | 2016-08-30 | 2016-08-30 | Silk-screen-printing-free light guide plate online production process and production device |
Publications (1)
| Publication Number | Publication Date |
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| CN106671455A true CN106671455A (en) | 2017-05-17 |
Family
ID=58840319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610760313.6A Pending CN106671455A (en) | 2016-08-30 | 2016-08-30 | Silk-screen-printing-free light guide plate online production process and production device |
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| CN106976257A (en) * | 2017-06-02 | 2017-07-25 | 东莞新涛有机玻璃有限公司 | A kind of production equipment of light guide plate |
| CN107367786A (en) * | 2017-08-22 | 2017-11-21 | 广东东华光电科技有限公司 | One kind exempts from silk-screen light guide plate |
| CN109049594A (en) * | 2018-07-24 | 2018-12-21 | 广东欧迪明光电科技股份有限公司 | A kind of method for manufacturing light guide plate and its manufacturing device of online hot-rolling pressure |
| CN109605788A (en) * | 2018-12-07 | 2019-04-12 | 江苏瀚阳新材料科技有限公司 | The display preparation process of surface micro-structure light guide plate |
| CN109760282A (en) * | 2018-12-11 | 2019-05-17 | 江苏鑫利新材料科技有限公司 | A kind of preparation method of extra-weather-proof photovoltaic module polyvinylidene difluoride film |
| CN110181784A (en) * | 2019-06-13 | 2019-08-30 | 龚有晨 | A kind of preparation facilities of composite board and preparation method thereof |
| CN111113837A (en) * | 2020-01-06 | 2020-05-08 | 南京贝迪电子有限公司 | Production of light guide plate is with accurate extrusion transcription equipment |
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Application publication date: 20170517 |