CN111552020A - Light guide plate template and manufacturing method thereof - Google Patents
Light guide plate template and manufacturing method thereof Download PDFInfo
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- CN111552020A CN111552020A CN202010414762.1A CN202010414762A CN111552020A CN 111552020 A CN111552020 A CN 111552020A CN 202010414762 A CN202010414762 A CN 202010414762A CN 111552020 A CN111552020 A CN 111552020A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000005498 polishing Methods 0.000 claims description 52
- 238000012360 testing method Methods 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000002159 abnormal effect Effects 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001821 foam rubber Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013041 optical simulation Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Nonlinear Science (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a light guide plate template and a manufacturing method thereof, belonging to the technical field of light guide plates, the light guide plate template and the manufacturing method thereof comprise a template frame and a plurality of square light guide plate foundation blocks, wherein the plurality of square light guide plate foundation blocks are combined into the square light guide plate template, the template frame comprises four telescopic rods which are arranged in a square shape, the end parts of the four telescopic rods are connected through a clamping structure, the telescopic rods comprise a first outer rod and a second outer rod, and the shapes of the first outer rod and the second outer rod are the same. The period and cost for manufacturing the light guide plate template are effectively shortened.
Description
Technical Field
The invention relates to the technical field of light guide plates, in particular to a light guide plate template and a manufacturing method thereof.
Background
The light guide plate is characterized in that light guide points are printed on the bottom surface of an optical acrylic plate by using an optical acrylic/PC plate and then using a high-tech material with extremely high refractive index and no light absorption through laser engraving, V-shaped cross grid engraving and UV screen printing technologies. The optical-grade acrylic sheet is used for absorbing the light emitted from the lamp to stay on the surface of the optical-grade acrylic sheet, when the light irradiates each light guide point, the reflected light can be diffused towards each angle, and then the reflected light is damaged and is emitted from the front surface of the light guide plate. The light guide plate can uniformly emit light through various light guide points with different densities and sizes. The reflecting sheet is used for reflecting the light exposed from the bottom surface back to the light guide plate so as to improve the use efficiency of the light; under the condition of equal area brightness, the luminous efficiency is high and the power consumption is low. The single-sided microstructure array light guide plate is generally manufactured by an extrusion molding process.
In order to improve the design accuracy of the light guide plate and ensure the high image quality and good optical characteristics of the liquid crystal display, in the prior art, usually, a dot design is performed by software, and a preliminary optical simulation is performed to manufacture a light guide plate template meeting the requirements, then, actual dot printing is performed according to the light guide plate template to form the light guide plate, and then, the light guide plate is assembled with a backlight source to perform actual effect tests including an optical characteristic test and an image quality test.
However, in the process of manufacturing the light guide plate according to the light guide plate template, if the light guide plate has an optical problem, the light guide plate template needs to be manufactured again each time, which not only increases the time for manufacturing the light guide plate, but also increases the manufacturing cost of the light guide plate template.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a light guide plate template and a manufacturing method thereof.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A light guide plate template comprises a template frame and a plurality of square light guide plate foundation blocks, wherein the square light guide plate foundation blocks are combined into the square light guide plate template, the template frame comprises four telescopic rods which are arranged in a square manner, the end parts of the four telescopic rods are connected through a clamping structure, each telescopic rod comprises a first outer rod and a second outer rod, the shapes of the first outer rod and the second outer rod are the same, the first outer rod and the second outer rod are arranged oppositely, one sides of the first outer rod and the second outer rod, which are opposite, are respectively provided with a hollow groove, an inner rod matched with the hollow grooves is inserted in each hollow groove, a stretching spring is connected between the end part of the inner rod and the inner bottom parts of the first outer rod and the second outer rod, a plurality of second grooves are formed in the inner side walls of the first outer rod and the second outer rod at equal intervals, and second magnet blocks are fixed in the second grooves, the distance between two adjacent second magnet blocks is the same as the side length of the light guide plate base block, and the side length of the light guide plate base block is 10-20 cm. Utilize the telescopic link can press from both sides tightly the light guide plate template that a plurality of light guide plate basic block become, the telescopic link by with constitute, realize satisfying the light guide plate template use of equidimension not to the adjustment of the length of telescopic link and width, and owing to set up, possess certain restoring force to guarantee the tight effect of clamp to the light guide plate template.
Further, three first grooves, every are all seted up on every edge of the lateral wall of light guide plate basis piece first recess inside all is fixed with first magnet piece, and the magnetic pole of the first magnet piece on two relative edges arranges the direction the same. The first magnet block is arranged, the plurality of light guide plate foundation blocks can be combined by utilizing the suction force between the magnets, the combination is firm, the loosening phenomenon is not easy to generate, and the normal use of the light guide plate template is ensured.
A method for manufacturing a light guide plate template comprises the following steps:
s1, manufacturing a plurality of light guide plate foundation blocks and telescopic rods according to the light extraction efficiency;
s2, splicing a plurality of light guide plate base blocks together according to the size requirement of the light guide plate to form a light guide plate template to be tested;
s3, carrying out optical test on the light guide plate template to be tested, replacing the abnormal light guide plate base block according to the test result, and clamping the light guide plate template to be tested meeting the test requirement in the telescopic rod to form the light guide plate template.
Further, the S1 specifically includes the following steps:
s11, manufacturing a plurality of small light guide plates with the same shape;
s12, polishing the side wall of each small light guide plate block by using a light guide plate reference block side wall polishing device;
and S13, printing dots on the processed small light guide plate block to obtain the light guide plate base block.
Further, the S3 specifically includes the following steps:
s31, carrying out optical test on the light guide plate template to be tested to obtain a test result;
s32, verifying whether the template of the light guide plate to be tested meets the design standard or not according to the test result, executing S34 if the template of the light guide plate to be tested meets the standard, and executing S33 if the template of the light guide plate to be tested does not meet the standard;
s33, determining one or more light guide plate foundation blocks with abnormal data on the light guide plate template to be tested according to the test result, replacing the one or more light guide plate foundation blocks with abnormal data, and repeating S31;
and S34, clamping the light guide plate template to be tested meeting the testing requirements in the telescopic rod to obtain the light guide plate template.
Further, light guide plate reference block lateral wall burnishing device includes the base, all be fixed with two sets of lifting unit around the upper surface of base, lifting unit's output is fixed with the last backup pad that the level set up, it is fixed with the multiunit depression bar on the lower surface of backup pad to go up, the upper surface center department of base is fixed with the supporting pad piece that is used for carrying out the support to light guide plate basis piece, the size of supporting pad piece is less than the size of light guide plate basis piece, square polishing frame has been cup jointed in the outside of light guide plate basis piece, be fixed with four polishing layers on square polishing frame's the inside wall, the polishing layer is laminated with the outside wall of light guide plate basis piece mutually, square polishing frame's both sides lateral wall all is connected with reciprocal elevating system, reciprocal elevating system fixes on the base. The device during operation is put into square polishing frame with light guide plate basis piece inside, and the decline of control base makes the depression bar compress tightly light guide plate basis piece, and the reciprocal elevating system work of control this moment drives square polishing frame oscilaltion motion, can carry out abundant polishing on the lateral wall of light guide plate basis piece, compares in prior art, polishes more fully, labour saving and time saving, great improvement polishing efficiency.
Furthermore, the lifting component is one of an air cylinder, a hydraulic cylinder and an electric push rod, and a lifting switch for controlling the synchronous work of the plurality of lifting components is arranged on the base.
Further, the base is a rubber cushion block, and a spongy cushion is fixed at the bottom end of the pressing rod. The base is rubber cushion block, and the foam-rubber cushion that cooperatees with the depression bar bottom mounting can effectively avoid compressing tightly the mechanical damage that the in-process caused the light guide plate basic piece surface to the light guide plate basic piece.
Furthermore, the reciprocating lifting mechanism comprises a motor support fixed on the base, a driving motor is fixed at the top end of the motor support, the output end of the driving motor is connected with a rotating shaft, a driving circular plate is fixed at the end part of the rotating shaft, an eccentric shaft is eccentrically fixed on the front side wall of the driving circular plate, a lifting seat is fixed on the front side of the driving circular plate, the lifting seat is welded with the square polishing frame, a strip-shaped through hole is formed in the lifting seat, and the eccentric shaft is inserted into the strip-shaped through hole. Drive the rotation of drive plectane through control driving motor work, because the eccentric setting of eccentric shaft and the limiting displacement of bar through-hole, drive the eccentric shaft when drive plectane rotates and rotate to drive the seat that goes up and down to carry out oscilaltion reciprocating motion, drive square polishing frame and polish the lateral wall of light guide plate basic block with the polishing layer, simple structure, can realize the reciprocal lift of circulation, job stabilization.
Furthermore, still be equipped with the guiding mechanism who is used for leading to reciprocating lift mechanism from top to bottom on the base, guiding mechanism is including seting up two guiding holes on the seat that goes up and down, the guiding hole is inside to peg graft there is the guide bar, the guide bar bottom mounting is on the base, evenly cut on the inner wall of guide hole and have a plurality of spherical grooves, the inside packing of spherical groove has the ball, the ball is laminated with the outer wall of guide bar mutually. Utilize the guide bar to lead spacing to the seat that goes up and down for the seat that goes up and down can only remove in vertical direction, avoids the seat that goes up and down to produce the normal clear that the phenomenon influences the polishing that deflects, and through setting up spherical groove and ball, the frictional resistance that receives when the reduction seat that can be great reciprocates avoids the emergence of the dead phenomenon of card, guarantees the steady operation of device.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the invention, the light guide plate template is manufactured by combining the plurality of light guide plate basic blocks, and the local light guide plate basic blocks are replaced according to the optical test result, so that the design precision of the light guide plate template is effectively ensured, when the light guide plate has a problem, the light guide plate basic blocks can be replaced, and the period and the cost for manufacturing the light guide plate template are effectively shortened.
(2) Utilize the telescopic link can press from both sides tightly the light guide plate template that a plurality of light guide plate basic block become, the telescopic link by with constitute, realize satisfying the light guide plate template use of equidimension not to the adjustment of the length of telescopic link and width, and owing to set up, possess certain restoring force to guarantee the tight effect of clamp to the light guide plate template.
(3) The first magnet block is arranged, the plurality of light guide plate foundation blocks can be combined by utilizing the suction force between the magnets, the combination is firm, the loosening phenomenon is not easy to generate, and the normal use of the light guide plate template is ensured.
(4) The device during operation is put into square polishing frame with light guide plate basis piece inside, and the decline of control base makes the depression bar compress tightly light guide plate basis piece, and the reciprocal elevating system work of control this moment drives square polishing frame oscilaltion motion, can carry out abundant polishing on the lateral wall of light guide plate basis piece, compares in prior art, polishes more fully, labour saving and time saving, great improvement polishing efficiency.
(5) The base is rubber cushion block, and the foam-rubber cushion that cooperatees with the depression bar bottom mounting can effectively avoid compressing tightly the mechanical damage that the in-process caused the light guide plate basic piece surface to the light guide plate basic piece.
(6) Drive the rotation of drive plectane through control driving motor work, because the eccentric setting of eccentric shaft and the limiting displacement of bar through-hole, drive the eccentric shaft when drive plectane rotates and rotate to drive the seat that goes up and down to carry out oscilaltion reciprocating motion, drive square polishing frame and polish the lateral wall of light guide plate basic block with the polishing layer, simple structure, can realize the reciprocal lift of circulation, job stabilization.
(7) Utilize the guide bar to lead spacing to the seat that goes up and down for the seat that goes up and down can only remove in vertical direction, avoids the seat that goes up and down to produce the normal clear that the phenomenon influences the polishing that deflects, and through setting up spherical groove and ball, the frictional resistance that receives when the reduction seat that can be great reciprocates avoids the emergence of the dead phenomenon of card, guarantees the steady operation of device.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the structure of a template frame according to the present invention;
FIG. 3 is a schematic structural view of the telescopic rod of the present invention;
FIG. 4 is a schematic structural diagram of a light guide plate base block according to the present invention;
FIG. 5 is a schematic structural view of a polishing apparatus for a sidewall of a reference block of a light guide plate according to the present invention;
FIG. 6 is a top view of a square polishing frame of the present invention;
FIG. 7 is a schematic structural diagram of a guiding mechanism of the polishing apparatus for a sidewall of a reference block of a light guide plate according to the present invention.
The reference numbers in the figures illustrate:
the light guide plate comprises a template frame 1, a light guide plate base block 2, a first groove 201, a first magnet block 202, a telescopic rod 3, a first outer rod 301, a second outer rod 302, an inner rod 303, a 304 extension spring 305, a second groove 305, a second magnet block 306, a square polishing frame 4, a polishing layer 5, a base 6, a support cushion block 7, a lifting assembly 8, a support plate 9, a pressure rod 10, a reciprocating lifting mechanism 11, a motor support 12, a driving circular plate 13, an eccentric shaft 14, a lifting seat 15, a strip-shaped through hole 16, a guide rod 17, a guide hole 171, a spherical groove 172 and a ball 173.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, a light guide plate template comprises a template frame 1 and a plurality of square light guide plate foundation blocks 2, the plurality of square light guide plate foundation blocks 2 are combined into a square light guide plate template, the template frame 1 comprises four telescopic rods 3 arranged in a square shape, the ends of the four telescopic rods 3 are connected through a clamping structure, each telescopic rod 3 comprises a first outer rod 301 and a second outer rod 302, the first outer rod 301 and the second outer rod 302 are identical in shape, the first outer rod 301 and the second outer rod 302 are oppositely arranged, one opposite sides of the first outer rod 301 and the second outer rod 302 are respectively provided with a hollow groove, an inner rod 303 matched with the hollow grooves is inserted in the hollow grooves, an extension spring 304 is respectively connected between the end of the inner rod 303 and the inner bottom of the first outer rod 301 and the second outer rod 302, a plurality of second grooves 305 are equidistantly formed in the inner side walls of the first outer rod 301 and the second outer rod 302, the second groove 305 is internally fixed with a second magnet block 306, the distance between two adjacent second magnet blocks 306 is the same as the side length of the light guide plate base block 2, and the side length of the light guide plate base block 2 is 10-30 cm. Utilize telescopic link 3 can press from both sides tight to the light guide plate template that a plurality of light guide plate basis piece 2 are constituteed, telescopic link 3 comprises 31, 32 and 33, realizes the adjustment to the length and the width of telescopic link 3, satisfies the light guide plate template of equidimension not and uses, and owing to set up 34, 34 possesses certain restoring force to guarantee the tight effect of clamp to the light guide plate template.
Referring to fig. 4, each edge of the outer side wall of the light guide plate base block 2 is provided with three first grooves 201, a first magnet block 202 is fixed inside each first groove 201, and the magnetic poles of the first magnet blocks 202 on two opposite edges are arranged in the same direction. The first magnet block 202 is arranged, the plurality of light guide plate foundation blocks 2 can be combined by utilizing the attraction between the magnets, and the combination is firm, the loosening phenomenon is not easy to generate, and the normal use of the light guide plate template is ensured.
A method for manufacturing a light guide plate template comprises the following steps:
s1, manufacturing a plurality of light guide plate foundation blocks 2 and telescopic rods 3 according to the light extraction efficiency;
s2, splicing the light guide plate base blocks 2 together according to the size requirement of the light guide plate to form a light guide plate template to be tested;
s3, carrying out optical test on the light guide plate template to be tested, replacing the abnormal light guide plate base block according to the test result, and clamping the light guide plate template to be tested meeting the test requirement in the telescopic rod 3 to form the light guide plate template.
S1 specifically includes the following steps:
s11, manufacturing a plurality of small light guide plates with the same shape;
s12, polishing the side wall of each small light guide plate block by using a light guide plate reference block side wall polishing device;
and S13, printing dots on the processed small light guide plate block to obtain the light guide plate base block 2.
S3 specifically includes the following steps:
s31, carrying out optical test on the light guide plate template to be tested to obtain a test result;
s32, verifying whether the template of the light guide plate to be tested meets the design standard or not according to the test result, executing S34 if the template of the light guide plate to be tested meets the standard, and executing S33 if the template of the light guide plate to be tested does not meet the standard;
s33, determining one or more light guide plate basic blocks 2 with abnormal data on the light guide plate template to be tested according to the test result, replacing the one or more light guide plate basic blocks 2 with abnormal data, and repeating S31;
and S34, clamping the light guide plate template to be tested meeting the testing requirements in the telescopic rod 3 to obtain the light guide plate template.
Referring to fig. 5-6, the light guide plate reference block side wall polishing device includes a base 6, two sets of lifting assemblies 8 are fixed on the front and back of the upper surface of the base 6, an upper support plate 9 horizontally arranged is fixed on the output end of the lifting assembly 8, a plurality of groups of pressure rods 10 are fixed on the lower surface of the upper support plate 9, a support cushion block 7 for supporting the light guide plate base block 2 is fixed at the center of the upper surface of the base 6, the size of the support cushion block 7 is smaller than that of the light guide plate base block 2, a square polishing frame 4 is sleeved on the outer side of the light guide plate base block 2, four polishing layers 5 are fixed on the inner side wall of the square polishing frame 4, the polishing layers 5 are attached to the outer side wall of the light guide plate base block 2, the side walls on both sides of the square polishing frame 4 are connected with reciprocating lifting mechanisms 11, and the reciprocating. The device during operation is put into square polishing frame 4 with light guide plate basis piece 2 inside, and 6 descends and make depression bar 10 compress tightly light guide plate basis piece 2 of control base, and the reciprocal elevating system 11 work of control this moment drives square polishing frame 4 oscilaltion motion, can carry out abundant polishing on the lateral wall of light guide plate basis piece 2, compares in prior art, polishes more fully, labour saving and time saving, great improvement polishing efficiency.
Referring to fig. 5, the lifting assembly 8 is one of an air cylinder, a hydraulic cylinder and an electric push rod, and the base 6 is provided with a lifting switch for controlling the plurality of lifting assemblies 8 to synchronously operate.
Referring to fig. 5, the base 6 is a rubber cushion block, and a sponge cushion is fixed at the bottom end of the pressing rod 10. The base 6 is a rubber cushion block and is matched with a sponge cushion fixed to the bottom end of the pressing rod 10, so that mechanical damage to the outer surface of the light guide plate foundation block 2 in the pressing process of the light guide plate foundation block 2 can be effectively avoided.
Referring to fig. 5, the reciprocating lifting mechanism 11 includes a motor bracket 12 fixed on the base 6, a driving motor is fixed at the top end of the motor bracket 12, the output end of the driving motor is connected with a rotating shaft, a driving circular plate 13 is fixed at the end of the rotating shaft, an eccentric shaft 14 is eccentrically fixed on the front side wall of the driving circular plate 13, a lifting seat 15 is fixed on the front side of the driving circular plate 13, the lifting seat 15 is welded to the square polishing frame 4, a strip-shaped through hole 16 is formed in the lifting seat 15, and the eccentric shaft 14 is inserted into the strip-shaped through hole 16. Drive plectane 13 through control driving motor work and rotate, because eccentric shaft 14 eccentric settings and the limiting displacement of bar through-hole 16, drive plectane 13 and drive eccentric shaft 14 when rotating and rotate to drive lift seat 15 and carry out oscilaltion reciprocating motion, drive square polishing frame 4 and polish 5 the lateral wall of light guide plate foundation block 2 with polishing layer, simple structure, can realize the reciprocal lift of circulation, job stabilization.
Referring to fig. 7, the base 6 is further provided with a guide mechanism for guiding the reciprocating elevating mechanism 11 up and down, the guide mechanism includes two guide holes 171 formed in the elevating base 15, the guide rods 17 are inserted into the guide holes 171, the bottom ends of the guide rods 17 are fixed to the base 6, a plurality of spherical grooves 172 are uniformly formed in the inner walls of the guide holes 171, the spherical grooves 172 are filled with balls 173, and the balls 173 are attached to the outer walls of the guide rods 17. Utilize guide bar 17 to lead spacing to lift seat 15 for lift seat 15 can only remove in vertical direction, avoids lift seat 15 to produce the normal clear that the phenomenon influences the polishing that deflects, and through setting up spherical groove 172 and ball 173, the frictional resistance that receives when reduction lift seat 15 that can be great reciprocates avoids the emergence of the dead phenomenon of card, guarantees the steady operation of device.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a light guide plate template, includes template frame (1) and the light guide plate basis piece (2) of a plurality of squares, and the light guide plate basis piece (2) of a plurality of squares make up into square light guide plate template, its characterized in that: the template frame (1) comprises four telescopic rods (3) which are arranged in a square shape, the end parts of the four telescopic rods (3) are connected through a clamping structure, each telescopic rod (3) comprises a first outer rod (301) and a second outer rod (302), the shapes of the first outer rod (301) and the second outer rod (302) are the same, the first outer rod (301) and the second outer rod (302) are arranged oppositely, one side, opposite to the first outer rod (301) and the second outer rod (302), of each outer rod (301) is provided with a hollow groove, an inner rod (303) matched with the hollow groove is inserted in each hollow groove, a plurality of second grooves (305) are formed in the inner side walls of the first outer rod (301) and the second outer rod (302) at equal intervals, and second magnet blocks (306) are fixed in the second grooves (305), the distance between two adjacent second magnet blocks (306) is the same as the side length of the light guide plate base block (2), and the side length of the light guide plate base block (2) is 10-30 cm.
2. A light guide plate template according to claim 1, wherein: every edge of the lateral wall of light guide plate basis piece (2) has all seted up three first recess (201), every first recess (201) inside all is fixed with first magnet piece (202), and the magnetic pole of the first magnet piece (202) on two relative edges arranges the direction the same.
3. A method for manufacturing a light guide plate mold according to any one of claims 1 to 2, comprising the steps of:
s1, manufacturing a plurality of light guide plate foundation blocks (2) and telescopic rods (3) according to the light extraction efficiency;
s2, splicing the light guide plate basic blocks (2) together according to the size requirement of the light guide plate to form a light guide plate template to be tested;
s3, carrying out optical test on the light guide plate template to be tested, replacing the abnormal light guide plate base block according to the test result, and clamping the light guide plate template to be tested meeting the test requirement in the telescopic rod (3) to form the light guide plate template.
4. The method of claim 3, wherein the step of forming the light guide plate comprises: the S1 specifically includes the following steps:
s11, manufacturing a plurality of small light guide plates with the same shape;
s12, polishing the side wall of each small light guide plate block by using a light guide plate reference block side wall polishing device;
and S13, printing dots on the processed small light guide plate block to obtain the light guide plate base block (2).
5. The method of claim 3, wherein the step of forming the light guide plate comprises: the S3 specifically includes the following steps:
s31, carrying out optical test on the light guide plate template to be tested to obtain a test result;
s32, verifying whether the template of the light guide plate to be tested meets the design standard or not according to the test result, executing S34 if the template of the light guide plate to be tested meets the standard, and executing S33 if the template of the light guide plate to be tested does not meet the standard;
s33, determining one or more light guide plate basic blocks (2) with abnormal data on the light guide plate template to be tested according to the test result, replacing the one or more light guide plate basic blocks (2) with abnormal data, and repeating S31;
s34, clamping the light guide plate template to be tested meeting the testing requirements in the telescopic rod (3) to obtain the light guide plate template.
6. The method of claim 4, wherein the step of forming the light guide plate comprises: the light guide plate reference block side wall polishing device comprises a base (6), two groups of lifting components (8) are fixed on the front and back of the upper surface of the base (6), an upper supporting plate (9) horizontally arranged is fixed at the output end of each lifting component (8), a plurality of groups of pressure rods (10) are fixed on the lower surface of the upper supporting plate (9), a supporting cushion block (7) used for supporting a light guide plate foundation block (2) is fixed at the center of the upper surface of the base (6), the size of the supporting cushion block (7) is smaller than that of the light guide plate foundation block (2), a square polishing frame (4) is sleeved on the outer side of the light guide plate foundation block (2), four polishing layers (5) are fixed on the inner side wall of the square polishing frame (4), the polishing layers (5) are attached to the outer side wall of the light guide plate foundation block (2), the side walls of the two sides of the square polishing frame (4) are connected with reciprocating lifting mechanisms (11), the reciprocating lifting mechanism (11) is fixed on the base (6).
7. The method of claim 6, wherein: the lifting component (8) is one of an air cylinder, a hydraulic cylinder and an electric push rod, and a lifting switch used for controlling the synchronous work of the lifting components (8) is arranged on the base (6).
8. The method of claim 6, wherein: the base (6) is a rubber cushion block, and a spongy cushion is fixed at the bottom end of the pressing rod (10).
9. The method of claim 6, wherein: reciprocating lift mechanism (11) is including fixing motor support (12) on base (6), the top of motor support (12) is fixed with driving motor, driving motor's output is connected with the pivot, the end fixing of pivot has drive plectane (13), eccentric being fixed with eccentric shaft (14) on the preceding lateral wall of drive plectane (13), the front side of drive plectane (13) is fixed with lift seat (15), lift seat (15) and square polishing frame (4) welded connection, bar through-hole (16) have been seted up on lift seat (15), eccentric shaft (14) are pegged graft inside bar through-hole (16).
10. The method of claim 9, wherein the step of forming the light guide plate further comprises: still be equipped with on base (6) and be used for carrying out the guiding mechanism who leads from top to bottom to reciprocal elevating system (11), guiding mechanism is including seting up two guiding hole (171) on lift seat (15), guiding hole (171) inside is pegged graft and is had guide bar (17), guide bar (17) bottom mounting is on base (6), it has a plurality of spherical grooves (172) to evenly open the chisel on the inner wall of guiding hole (171), spherical groove (172) inside packing has ball (173), ball (173) and the laminating of the outer wall of guide bar (17) mutually.
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| CN202010414762.1A CN111552020A (en) | 2020-05-15 | 2020-05-15 | Light guide plate template and manufacturing method thereof |
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| CN202010414762.1A CN111552020A (en) | 2020-05-15 | 2020-05-15 | Light guide plate template and manufacturing method thereof |
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Application publication date: 20200818 |