CN113126345A - Production process and preparation device for large-plate silk screen printing of liquid crystal display - Google Patents
Production process and preparation device for large-plate silk screen printing of liquid crystal display Download PDFInfo
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- CN113126345A CN113126345A CN202110271904.8A CN202110271904A CN113126345A CN 113126345 A CN113126345 A CN 113126345A CN 202110271904 A CN202110271904 A CN 202110271904A CN 113126345 A CN113126345 A CN 113126345A
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- 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
- G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
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- 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
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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- 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
- G02F1/1341—Filling or closing of cells
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Abstract
The invention discloses a liquid crystal display large-plate silk-screen production process and a preparation device, wherein the production process comprises the following steps: s1, cutting: cutting an original glass liquid crystal box into large-plate liquid crystal box blocks by using a glass cutting knife wheel; s2, crystal filling: conveying large-plate liquid crystal box blocks into a crystal filling machine, pressing a start key button of the crystal filling machine, closing a conveying door of the crystal filling machine, vacuumizing the liquid crystal box after correction is started, stopping vacuumizing the crystal filling machine after a PLC (programmable logic controller) circuit in the crystal filling machine receives a signal sent by a sensor when the vacuum pressure reaches a limit value, sending a signal to a crystal filling opening by the crystal filling machine, and controlling the crystal filling opening to fill the liquid crystal box with liquid crystals to be filled until the liquid crystal box is filled with liquid crystals; s3, pressurization and sealing: leveling the deformation of the liquid crystal box caused in the process of filling the liquid crystal by using pressure, and sealing the filling opening of the liquid crystal box filled with the liquid crystal by using sealing glue.
Description
Technical Field
The invention relates to the technical field of liquid crystal display production and processing, in particular to a large-plate silk-screen production process and a preparation device of a liquid crystal display.
Background
The liquid crystal in the liquid crystal display is a special substance between solid and liquid, which is an organic compound, normally in a liquid state, but its molecular arrangement is very regular as that of a solid crystal, and therefore, the liquid crystal is named, and another special property thereof is that if an electric field is applied to the liquid crystal, its molecular arrangement is changed, and at this time if a polarizing plate is fitted thereto, it has a function of blocking the passage of light (light can smoothly pass therethrough without applying the electric field), and if a color filter is fitted thereto, the magnitude of voltage applied to the liquid crystal is changed, so that the amount of light transmission of a certain color can be changed, and also it can be said that the transmittance thereof can be changed by changing the voltage applied to both ends of the liquid crystal.
According to chinese patent No. CN201720251911.0, the utility model discloses a semi-automatic screen printing machine that liquid crystal display used, including semi-automatic screen printing machine body, fixed recess has been seted up to one side of semi-automatic screen printing machine body, fixed recess internalization is equipped with operation platform, and outside operation platform extended to fixed recess, one side of operation platform was equipped with the fixed block, and the fixed block locates in the fixed recess, be equipped with the axis of rotation on the fixed block, and the axis of rotation activity locates on the inner wall of fixed recess, the cover is equipped with first gear in the axis of rotation, and one side of fixed block is located to first gear, the below of axis of rotation is equipped with the guiding axle, and the guiding axle activity is located on the inner wall of fixed recess. The utility model discloses simple structure, low in production cost can adjust and fixed operation platform according to operating personnel's demand multi-angle, makes things convenient for operating personnel to use, improves work efficiency, satisfies people's user demand.
According to chinese patent No. CN201922304534.4, the utility model belongs to the technical field of display processing, especially, a positioning mechanism is used in liquid crystal display processing, the following scheme is proposed at present, including two sets of parallel arrangement's side shield, it is two sets of side positioning mechanism is installed to one side top that the side shield was kept away from each other, and is two sets of pushing mechanism is installed to the opposite side top that the side shield was kept away from each other, pushing mechanism installs upset fixture near one side of side positioning mechanism, and conveying mechanism is installed to one side that two sets of side shields are close to each other, tip positioning mechanism is installed to conveying mechanism's bottom. The utility model discloses a location centre gripping and the upset operation of display screen, the centre gripping that overturns after fixing a position the display screen makes things convenient for later stage operating personnel to assemble the detection to the display screen, reduces operating personnel's intensity of labour, improves display screen production efficiency.
However, according to the technical scheme, the alignment identification layer can be added on the whole glass plate in the large-plate silk-screen production process of the liquid crystal display, so that the position and the angle of the polaroid adhered to the liquid crystal display can be adjusted by manual operation for many times, the rejection rate is increased, the surface of the polaroid is easy to damage when the polaroid passes through silk-screen printing, and therefore the problem is solved by a device which is urgently needed.
Disclosure of Invention
The invention aims to provide a liquid crystal display large-plate silk-screen production process and a preparation device, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the liquid crystal display large-plate silk-screen production process comprises the following steps:
s1, cutting: cutting an original glass liquid crystal box into large-plate liquid crystal box blocks by using a glass cutting knife wheel;
s2, crystal filling: conveying large-plate liquid crystal box blocks into a crystal filling machine, pressing a start key button of the crystal filling machine, closing a conveying door of the crystal filling machine, vacuumizing the liquid crystal box after correction is started, stopping vacuumizing the crystal filling machine after a PLC (programmable logic controller) circuit in the crystal filling machine receives a signal sent by a sensor when the vacuum pressure reaches a limit value, sending a signal to a crystal filling opening by the crystal filling machine, and controlling the crystal filling opening to fill the liquid crystal box with liquid crystals to be filled until the liquid crystal box is filled with liquid crystals;
s3, pressurization and sealing: leveling the deformation of the liquid crystal box caused in the process of filling the liquid crystal by using pressure, and sealing the filling opening of the liquid crystal box filled with the liquid crystal by using sealing glue;
s4, angle grinding and drilling: the appearance of the liquid crystal box is processed by an edge grinding machine, so that the requirement of subsequent manufacturing production is met conveniently, and fragments generated by glass collision in the manufacturing process can be reduced;
s5, cleaning: cleaning liquid crystal and other dirt adhered to the outside of the crystal box by using distilled water;
s6, detection: visual inspection and electric inspection are included, wherein the visual inspection is to inspect the appearance quality of the liquid crystal box under an optical bench, and the electric inspection is to inspect the display graph of the liquid crystal screen under a power-up state;
s7, patch: adhering upper and lower polarizers specified by the product on two sides of the liquid crystal box to obtain a complete liquid crystal display;
s8, silk screen printing: set up accurate counterpoint identification layer through the silk screen printing machine on full page glass board, be equipped with accurate counterpoint coordinate scale in the counterpoint identification layer, can shell the protection layer of gluing through setting up on full page polaroid, set up the one deck protection film outside can shelling the protection layer of gluing for liquid crystal glazing board surface realizes not hindering the printing in printing process.
Preferably, the peelable glue protective layer in the step S8 includes the following raw materials in parts by weight: 20-30 parts of vinyl chloride-vinyl acetate copolymer, 7-15 parts of epoxy resin, 1-3 parts of barium stearate, 1-3 parts of triphenyl phosphate, 0.3-0.8 part of calcium carbonate and 0.2-0.5 part of silicon dioxide.
The liquid crystal display large-scale screen printing production process and the preparation device comprise a polaroid protective layer adding mechanism, an adjusting and positioning device, a positioning control device, a heat dissipation ventilating fan, a supporting and fixing plate and a positioning display screen, wherein the adjusting and positioning device is fixedly connected to the front end of the positioning control device;
the adjusting and positioning device comprises a drawing control handle, auxiliary adjusting scale marks, a placing sliding plate, a supporting frame, a fixed mounting hole, a glass plate and a sliding adjusting clamping groove, wherein the fixed mounting hole uniformly and symmetrically penetrates through two ends of the supporting frame, the sliding adjusting clamping groove is formed in the middle of the supporting frame, the placing sliding plate is clamped in the sliding adjusting clamping groove in a sliding mode, the drawing control handle is uniformly and fixedly mounted at the front end of the placing sliding plate, the auxiliary adjusting scale marks are formed in the edge of the front end of the placing sliding plate, and the glass plate is placed at the upper end of the placing sliding plate;
the positioning control device comprises a positioning identification nozzle, a fixed mounting frame, a sliding adjustment clamping groove, a sliding adjustment clamping plate, a fastening limiting threaded column, a support adjustment base, a protective cover, a screen printing machine body and a conveying connecting pipe, wherein the sliding adjustment clamping groove is uniformly formed in the support adjustment base, the bottom ends of the screen printing machine body and the sliding adjustment clamping plate are both slidably clamped in the sliding adjustment clamping groove, the fastening limiting threaded column is rotatably inserted in the middle of the sliding adjustment clamping plate in a threaded manner, the protective cover is fixedly mounted above the screen printing machine body through bolts, the conveying connecting pipe is fixedly connected between the fixed mounting frame and the screen printing machine body, the positioning identification nozzle is uniformly and fixedly mounted in the fixed mounting frame, and the positioning identification nozzle is communicated with the conveying connecting pipe through the fixed mounting frame;
the polaroid protective layer adding mechanism comprises a protective layer adjusting device and a fixed connecting device, the fixed connecting device is installed at one end of the protective layer adjusting device, the protective layer adjusting device comprises a driving installation shaft, a driving adjusting belt gear, a driving adjusting control gear and a colloid box, the driving adjusting belt gear is symmetrically arranged, the driving adjusting control gear is installed inside two ends of the driving adjusting belt gear in a gear meshing and rotating mode, the driving installation shaft is fixedly inserted between the middle parts of the driving adjusting control gear, and the outer end of the conveying driving installation shaft located on one side is fixedly connected with a driving control motor;
a protective net is fixedly embedded in the upper end of the colloid box, a discharge nozzle is fixedly connected to the middle of the bottom end of the colloid box, and the protective net is made of stainless steel;
fixed connection device includes erection joint board, pulling adjustment handle, connects fixed block, slip fixture block, spacing connecting plate, installation rotation card hole and spacing draw-in groove, spacing draw-in groove is seted up at the middle part of spacing connecting plate, slip fixture block slip joint is in the inside of spacing draw-in groove, erection joint board fixed connection is at the front end of slip fixture block, pulling adjustment handle is through connecting the one end of fixed block fixed connection at the slip fixture block, the installation is rotated card hole symmetry and is run through and set up on the erection joint board.
Preferably, the discharge port in the middle of the discharge nozzle is arranged in a 30-degree inclined manner, and two ends of the colloid box are fixedly connected with the driving adjusting belt gear.
Preferably, the limiting connecting plate is fixedly connected with the front end of the supporting frame, and the supporting frame is located below the positioning identification nozzle.
Preferably, the heat dissipation ventilating fan is fixedly installed at two ends of the protective cover through bolts.
Preferably, the positioning display screen is electrically connected with the screen printing machine body through the control device and the wires.
Preferably, one end of the supporting and adjusting base is fixedly connected with the supporting frame, and the driving installation shaft is rotatably inserted in the installation and rotation clamping hole.
Preferably, the bottom fixed mounting of erection joint board has the storage to place the frame, just the storage is placed the frame and is located the polaroid inoxidizing coating and add the mechanism under.
Preferably, the bottom of one end of the storage placing frame is uniformly and fixedly inserted with a discharge connecting pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. through placing the glass board and promoting to positioning control device's front end below in placing the sliding plate, can jet accurate counterpoint identification layer to the glass board through the location sign nozzle, be equipped with accurate counterpoint coordinate scale in the counterpoint identification layer to can audio-visual observation and confirm mark position of mark and affirmation on the glass board through the location display screen, realize that it is accurate to paste the polaroid location on printing and the glass board, reduce the disability rate because of many times artificial operation appears.
2. Add the mechanism through the polaroid inoxidizing coating and can scribble the protection layer of can peeling off to scribbling on the polaroid, can peel off and glue the protection layer and scribble the one deck protection film through scribbling even back after the protection layer is scribbled on the polaroid to make the liquid crystal glazing panel surface of puting up the polaroid constitution in the printing in-process glass board outside realize not having the wound printing, the effectual liquid crystal glazing panel to production protects, great less the production rate of waste product.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a process for producing a large-size screen printing of a liquid crystal display according to the present invention;
FIG. 2 is a schematic view of the main structure of the present invention;
FIG. 3 is a schematic view of a mechanism for removing the polarizer protective layer from the main body according to the present invention;
FIG. 4 is a schematic view of the adjusting and positioning device of the present invention;
FIG. 5 is a schematic structural view of the adjusting and positioning device of the present invention in a pulled-out state;
FIG. 6 is a schematic structural diagram of a positioning control apparatus according to the present invention;
FIG. 7 is a schematic view of a polarizer protection layer adding mechanism according to the present invention;
FIG. 8 is a schematic structural diagram of a protective layer adjustment apparatus according to the present invention;
FIG. 9 is a schematic view of the structure of the gel case of the present invention;
FIG. 10 is a schematic view of a fixed connection device according to the present invention;
FIG. 11 is a schematic structural diagram of a polarizer protection layer adding mechanism according to a second embodiment of the present invention.
In the figure: 1-polaroid protective layer adding mechanism, 2-adjusting positioning device, 3-positioning control device, 4-heat dissipation ventilating fan, 5-supporting fixed plate, 6-positioning display screen, 7-drawing control handle, 8-auxiliary adjusting scale mark, 9-placing sliding plate, 10-supporting frame, 11-fixed mounting hole, 12-glass plate, 13-sliding adjusting clamping groove, 14-positioning identification nozzle, 15-fixed mounting frame, 16-sliding adjusting clamping groove, 17-sliding adjusting clamping plate, 18-fastening limit threaded column, 19-supporting adjusting base, 20-protective cover, 21-screen printing machine body, 22-conveying connecting pipe, 23-protective layer adjusting device, 24-fixed connecting device, 25-driving mounting shaft, 25-heat dissipation ventilating fan, 2-supporting fixed plate, 6-positioning display screen, 7-drawing control handle, 8-auxiliary adjusting scale mark, 9-placing sliding plate, 26-driving adjusting belt gear, 27-driving control motor, 28-driving adjusting control gear, 29-colloid box, 30-discharge nozzle, 31-protective net, 32-mounting connecting plate, 33-pulling adjusting handle, 34-connecting fixed block, 35-sliding clamping block, 36-limiting connecting plate, 37-mounting rotating clamping hole, 38-limiting clamping groove, 39-discharge connecting pipe, and 40-storage placing frame.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is further described below with reference to the accompanying drawings.
Example 1
The liquid crystal display large-plate silk-screen production process comprises the following steps as shown in figure 1:
s1, cutting: cutting an original glass liquid crystal box into large-plate liquid crystal box blocks by using a glass cutting knife wheel;
s2, crystal filling: conveying large-plate liquid crystal box blocks into a crystal filling machine, pressing a start key button of the crystal filling machine, closing a conveying door of the crystal filling machine, vacuumizing the liquid crystal box after correction is started, stopping vacuumizing the crystal filling machine after a PLC (programmable logic controller) circuit in the crystal filling machine receives a signal sent by a sensor when the vacuum pressure reaches a limit value, sending a signal to a crystal filling opening by the crystal filling machine, and controlling the crystal filling opening to fill the liquid crystal box with liquid crystals to be filled until the liquid crystal box is filled with liquid crystals;
s3, pressurization and sealing: leveling the deformation of the liquid crystal box caused in the process of filling the liquid crystal by using pressure, and sealing the filling opening of the liquid crystal box filled with the liquid crystal by using sealing glue;
s4, angle grinding and drilling: the appearance of the liquid crystal box is processed by an edge grinding machine, so that the requirement of subsequent manufacturing production is met conveniently, and fragments generated by glass collision in the manufacturing process can be reduced;
s5, cleaning: cleaning liquid crystal and other dirt adhered to the outside of the crystal box by using distilled water;
s6, detection: visual inspection and electric inspection are included, wherein the visual inspection is to inspect the appearance quality of the liquid crystal box under an optical bench, and the electric inspection is to inspect the display graph of the liquid crystal screen under a power-up state;
s7, patch: adhering upper and lower polarizers specified by the product on two sides of the liquid crystal box to obtain a complete liquid crystal display;
s8, silk screen printing: set up accurate counterpoint identification layer through the silk screen printing machine on full page glass board, be equipped with accurate counterpoint coordinate scale in the counterpoint identification layer, can shell the protection layer of gluing through setting up on full page polaroid, set up the one deck protection film outside can shelling the protection layer of gluing for liquid crystal glazing board surface realizes not hindering the printing in printing process.
The peelable glue protective layer in the step S8 comprises the following raw materials in parts by weight: 25 parts of vinyl chloride-vinyl acetate copolymer, 12 parts of epoxy resin, 2 parts of barium stearate, 2 parts of triphenyl phosphate, 0.4 part of calcium carbonate and 0.3 part of silicon dioxide.
Referring to fig. 2-3, an embodiment of the present invention is shown: the preparation device for the large-format silk screen of the liquid crystal display comprises a polaroid protective layer adding mechanism 1, an adjusting and positioning device 2, a positioning control device 3, a heat dissipation ventilating fan 4, a supporting and fixing plate 5 and a positioning display screen 6, wherein the adjusting and positioning device 2 is fixedly connected to the front end of the positioning control device 3, the polaroid protective layer adding mechanism 1 is fixedly connected to one side of the front end of the adjusting and positioning device 2, the heat dissipation ventilating fan 4 is symmetrically and fixedly arranged at the upper end of the positioning control device 3, the supporting and fixing plate 5 is fixedly arranged on one side of the tail end of the positioning control device 3, and the positioning display screen 6 is fixedly arranged at the;
referring to fig. 4-5, the adjusting and positioning device 2 includes a drawing control handle 7, auxiliary adjusting scale lines 8, a placing sliding plate 9, a supporting frame 10, a fixed mounting hole 11, a glass plate 12 and a sliding adjusting clamping groove 13, wherein the fixed mounting hole 11 is uniformly and symmetrically arranged at two ends of the supporting frame 10 in a penetrating manner, the sliding adjusting clamping groove 13 is arranged in the middle of the supporting frame 10, the placing sliding plate 9 is slidably clamped inside the sliding adjusting clamping groove 13, the drawing control handle 7 is uniformly and fixedly arranged at the front end of the placing sliding plate 9, the auxiliary adjusting scale lines 8 are arranged at the edge of the front end of the placing sliding plate 9, and the glass plate 12 is placed at the upper end of the placing sliding plate 9;
referring to fig. 6, the positioning control device 3 includes a positioning mark nozzle 14, a fixed mounting frame 15, a sliding adjusting slot 16, a sliding adjusting clamp 17, the screen printing machine comprises a fastening limit threaded column 18, a supporting and adjusting base 19, a protective cover 20, a screen printing machine body 21 and a conveying connecting pipe 22, wherein a sliding adjusting clamping groove 16 is uniformly formed in the supporting and adjusting base 19, the bottom ends of the screen printing machine body 21 and the sliding adjusting clamping plate 17 are both in sliding clamping connection in the sliding adjusting clamping groove 16, the fastening limit threaded column 18 is in threaded rotation and is inserted in the middle of the sliding adjusting clamping plate 17, the protective cover 20 is fixedly arranged above the screen printing machine body 21 through bolts, the conveying connecting pipe 22 is fixedly connected between a fixed mounting frame 15 and the screen printing machine body 21, positioning identification nozzles 14 are uniformly and fixedly arranged in the fixed mounting frame 15, and the positioning identification nozzles 14 are communicated with the conveying connecting pipe 22 through the fixed mounting frame 15;
referring to fig. 7-8, the polarizer protective layer adding mechanism 1 includes a protective layer adjusting device 23 and a fixed connecting device 24, the fixed connecting device 24 is installed at one end of the protective layer adjusting device 23, the protective layer adjusting device 23 includes a driving installation shaft 25, a driving adjustment belt gear 26, a driving adjustment control gear 28 and a colloid box 29, the driving adjustment belt gear 26 is symmetrically arranged, the driving adjustment control gear 28 is installed inside two ends of the driving adjustment belt gear 26 in a gear engagement rotation manner, the driving installation shaft 25 is fixedly inserted between the middle parts of the driving adjustment control gear 28, and the outer end of the conveying driving installation shaft 25 located at one side is fixedly connected with a driving control motor 27;
referring to fig. 9, a protective net 31 is fixedly embedded in the upper end of the colloid box 29, a discharge nozzle 30 is fixedly connected to the middle of the bottom end of the colloid box 29, and the protective net 31 is made of stainless steel;
referring to fig. 10, the fixed connection device 24 includes a mounting connection plate 32, a pulling adjustment handle 33, a connection fixing block 34, a sliding fixture block 35, a limiting connection plate 36, a mounting rotation fixture hole 37 and a limiting fixture groove 38, the limiting fixture groove 38 is disposed in the middle of the limiting connection plate 36, the sliding fixture block 35 is slidably mounted in the limiting fixture groove 38, the mounting connection plate 32 is fixedly connected to the front end of the sliding fixture block 35, the pulling adjustment handle 33 is fixedly connected to one end of the sliding fixture block 35 through the connection fixing block 34, and the mounting rotation fixture hole 37 is symmetrically disposed on the mounting connection plate 32 in a penetrating manner.
The discharge port at discharge nozzle 30 middle part is the slope form setting of 30 degrees, the both ends and the drive of colloid box 29 adjust belt gear 26 fixed connection, the front end fixed connection of spacing connecting plate 36 and carriage 10, carriage 10 is located the below of location sign nozzle 14, heat dissipation ventilation fan 4 passes through bolt fixed mounting at the both ends of protection safety cover 20, location display screen 6 passes through electric connection between controlling means and wire and the silk screen printing machine body 21, support the one end and carriage 10 fixed connection of adjusting base 19, drive installation axle 25 rotates and pegs graft in the inside of installation rotation card hole 37.
In the embodiment, firstly, the glass plate 12 is placed in the middle of the upper end of the sliding plate 9, the sliding plate 9 and the glass plate 12 are slid together into the sliding adjusting clamping groove 13 by the drawing control handle 7, so that the glass plate 12 is positioned under the positioning mark nozzle 14, the positioning position of the glass plate 12 can be adjusted by observing the positioning display screen 6, after the position of the glass plate 12 is adjusted by observing the positioning display screen 6, the screen printing machine body 21 generates spraying pressure by using the conveying connecting pipe 22 to enable the positioning mark nozzle 14 to accurately spray out a precise alignment mark layer on the glass plate 12, the precise alignment mark layer is provided with precise alignment coordinate scales to realize accurate printing and positioning, after the coordinates are marked on the glass plate 12, the sliding plate 9 and the glass plate 12 are drawn out from the sliding adjusting clamping groove 13 by the drawing control handle 7, then will need to paste the polaroid on glass board 12 and take out the middle part of placing between drive adjusting belt gear 26, the colloid box 29 that is located the top this moment carries out horizontal reciprocating motion under drive control motor 27's drive, thereby the colloid that colloid box 29 inside held is discharged to the polaroid on by discharging nozzle 30, it evenly realizes setting up the strippable protective layer on the full page polaroid to paint the colloid on the polaroid, make the printing of woundless at printing in-process liquid crystal glazing panel surface realization, unnecessary colloid that drops can have the colloid box 29 that is located the below to connect greatly, the polaroid that will paint the strippable protective layer at last can through pasting the silk screen printing on glass board 12 of accurate the counterpoint identification layer, accomplish above operation, realize concrete processing production operation, conveniently use work.
Example 2
On the basis of embodiment 1, as shown in fig. 11, a storage placing frame 40 is fixedly installed at the bottom end of the installation connection board 32, the storage placing frame 40 is located right below the polarizer protective layer adding mechanism 1, and a discharge connection pipe 39 is uniformly and fixedly inserted into the bottom of one end of the storage placing frame 40.
In the embodiment, the colloid discharged from the colloid box 29 and the colloid dropped from the polarizer can be collected by the storage placing frame 40 and then discharged from the discharge connecting pipe 39 for collection.
When the equipment is used in the embodiment 1 and the embodiment 2, the specific steps are as follows:
s1: firstly, placing a glass plate 12 in the middle of the upper end of a sliding plate 9, so that the glass plate 12 is positioned under a positioning identification nozzle 14, observing a positioning display screen 6 to adjust the positioning position of the glass plate 12, and finally generating spraying pressure through a screen printing machine body 21 by using a conveying connecting pipe 22 so that the positioning identification nozzle 14 can accurately spray a precise alignment identification layer on the glass plate 12;
s2: the polaroid that will paste on glass board 12 takes out the middle part of placing between drive adjusting belt gear 26, carries out horizontal reciprocating motion through colloid box 29 and drives the colloid that colloid box 29 inside held and discharge to the polaroid on by discharging nozzle 30, and the polaroid that will paint the strippable protective layer at last carries out the silk screen printing on glass board 12 through the accurate subsides of counterpoint identification layer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The liquid crystal display large-plate silk-screen production process is characterized by comprising the following steps of:
s1, cutting: cutting an original glass liquid crystal box into large-plate liquid crystal box blocks by using a glass cutting knife wheel;
s2, crystal filling: conveying large-plate liquid crystal box blocks into a crystal filling machine, pressing a start key button of the crystal filling machine, closing a conveying door of the crystal filling machine, vacuumizing the liquid crystal box after correction is started, stopping vacuumizing the crystal filling machine after a PLC (programmable logic controller) circuit in the crystal filling machine receives a signal sent by a sensor when the vacuum pressure reaches a limit value, sending a signal to a crystal filling opening by the crystal filling machine, and controlling the crystal filling opening to fill the liquid crystal box with liquid crystals to be filled until the liquid crystal box is filled with liquid crystals;
s3, pressurization and sealing: leveling the deformation of the liquid crystal box caused in the process of filling the liquid crystal by using pressure, and sealing the filling opening of the liquid crystal box filled with the liquid crystal by using sealing glue;
s4, angle grinding and drilling: the appearance of the liquid crystal box is processed by an edge grinding machine, so that the requirement of subsequent manufacturing production is met conveniently, and fragments generated by glass collision in the manufacturing process can be reduced;
s5, cleaning: cleaning liquid crystal and other dirt adhered to the outside of the crystal box by using distilled water;
s6, detection: visual inspection and electric inspection are included, wherein the visual inspection is to inspect the appearance quality of the liquid crystal box under an optical bench, and the electric inspection is to inspect the display graph of the liquid crystal screen under a power-up state;
s7, patch: adhering upper and lower polarizers specified by the product on two sides of the liquid crystal box to obtain a complete liquid crystal display;
s8, silk screen printing: set up accurate counterpoint identification layer through the silk screen printing machine on full page glass board, be equipped with accurate counterpoint coordinate scale in the counterpoint identification layer, can shell the protection layer of gluing through setting up on full page polaroid, set up the one deck protection film outside can shelling the protection layer of gluing for liquid crystal glazing board surface realizes not hindering the printing in printing process.
2. The liquid crystal display large-plate screen printing production process of claim 1, wherein the peelable glue protective layer in the step S8 comprises the following raw materials in parts by weight: 20-30 parts of vinyl chloride-vinyl acetate copolymer, 7-15 parts of epoxy resin, 1-3 parts of barium stearate, 1-3 parts of triphenyl phosphate, 0.3-0.8 part of calcium carbonate and 0.2-0.5 part of silicon dioxide.
3. Big version silk screen printing preparation facilities of LCD adds mechanism (1), regulation positioner (2), positioning control device (3), heat dissipation ventilating fan (4), supporting plate (5) and location display screen (6), its characterized in that including the polaroid inoxidizing coating: the adjusting and positioning device (2) is fixedly connected to the front end of the positioning control device (3), the polaroid protective layer adding mechanism (1) is fixedly connected to one side of the front end of the adjusting and positioning device (2), the heat dissipation ventilating fans (4) are symmetrically and fixedly installed at the upper end of the positioning control device (3), the supporting and fixing plate (5) is fixedly installed on one side of the tail end of the positioning control device (3), and the positioning display screen (6) is fixedly installed at the upper end of the supporting and fixing plate (5);
the adjusting and positioning device (2) comprises a drawing control handle (7), auxiliary adjusting scale marks (8), a placing sliding plate (9), a supporting frame (10), a fixed mounting hole (11), a glass plate (12) and a sliding adjusting clamping groove (13), wherein the fixed mounting hole (11) uniformly and symmetrically penetrates through two ends of the supporting frame (10), the sliding adjusting clamping groove (13) is formed in the middle of the supporting frame (10), the placing sliding plate (9) is in sliding clamping connection with the inside of the sliding adjusting clamping groove (13), the drawing control handle (7) is uniformly and fixedly mounted at the front end of the placing sliding plate (9), the auxiliary adjusting scale marks (8) are formed in the edge of the front end of the placing sliding plate (9), and the glass plate (12) is placed at the upper end of the placing sliding plate (9);
the positioning control device (3) comprises a positioning identification nozzle (14), a fixed mounting frame (15), a sliding adjustment clamping groove (16), a sliding adjustment clamping plate (17), a fastening limit threaded column (18), a supporting adjustment base (19), a protective cover (20), a screen printing machine body (21) and a conveying connecting pipe (22), wherein the sliding adjustment clamping groove (16) is uniformly formed in the supporting adjustment base (19), the bottom ends of the screen printing machine body (21) and the sliding adjustment clamping plate (17) are both in sliding clamping connection in the sliding adjustment clamping groove (16), the fastening limit threaded column (18) is in threaded rotation and is inserted in the middle of the sliding adjustment clamping plate (17), the protective cover (20) is fixedly mounted above the screen printing machine body (21) through bolts, and the conveying connecting pipe (22) is fixedly connected between the fixed mounting frame (15) and the screen printing machine body (21), the positioning identification nozzles (14) are uniformly and fixedly arranged in the fixed mounting frame (15), and the positioning identification nozzles (14) are communicated with the conveying connecting pipe (22) through the fixed mounting frame (15);
the polaroid protective layer adding mechanism (1) comprises a protective layer adjusting device (23) and a fixed connecting device (24), the fixed connecting device (24) is installed at one end of the protective layer adjusting device (23), the protective layer adjusting device (23) comprises a driving installation shaft (25), a driving adjusting belt gear (26), a driving adjusting control gear (28) and a colloid box (29), the driving adjusting belt gears (26) are symmetrically arranged, the driving adjusting control gear (28) is installed inside two ends of the driving adjusting belt gear (26) in a gear meshing rotating mode, the driving installation shaft (25) is fixedly inserted between the middle parts of the driving adjusting control gear (28), and a driving control motor (27) is fixedly connected to the outer end of the conveying driving installation shaft (25) located on one side;
a protective net (31) is fixedly embedded at the upper end of the colloid box (29), a discharge nozzle (30) is fixedly connected to the middle part of the bottom end of the colloid box (29), and the protective net (31) is made of stainless steel;
fixed connection device (24) rotate card hole (37) and spacing draw-in groove (38) including erection joint board (32), pulling adjustment handle (33), connection fixed block (34), slip fixture block (35), spacing connecting plate (36), installation, the middle part at spacing connecting plate (36) is seted up in spacing draw-in groove (38), slip fixture block (35) slip joint is in the inside of spacing draw-in groove (38), erection joint board (32) fixed connection is at the front end of slip fixture block (35), pulling adjustment handle (33) are through the one end of connecting fixed block (34) fixed connection at slip fixture block (35), the installation is rotated card hole (37) symmetry and is run through and set up on erection joint board (32).
4. The device for preparing the large-size silk screen of the liquid crystal display as claimed in claim 3, wherein: the discharge port in the middle of the discharge nozzle (30) is inclined at 30 degrees, and two ends of the colloid box (29) are fixedly connected with the driving adjusting belt gear (26).
5. The device for preparing the large-size silk screen of the liquid crystal display as claimed in claim 3, wherein: the limiting connecting plate (36) is fixedly connected with the front end of the supporting frame (10), and the supporting frame (10) is located below the positioning identification nozzle (14).
6. The device for preparing the large-size silk screen of the liquid crystal display as claimed in claim 3, wherein: the heat dissipation ventilating fan (4) is fixedly installed at two ends of the protective cover (20) through bolts.
7. The device for preparing the large-size silk screen of the liquid crystal display as claimed in claim 3, wherein: the positioning display screen (6) is electrically connected with the screen printing machine body (21) through a control device and a lead.
8. The device for preparing the large-size silk screen of the liquid crystal display as claimed in claim 3, wherein: one end of the supporting and adjusting base (19) is fixedly connected with the supporting frame (10), and the driving installation shaft (25) is rotatably inserted in the installation and rotation clamping hole (37).
9. The device for preparing the large-size silk screen of the liquid crystal display as claimed in claim 3, wherein: the bottom fixed mounting of erection joint board (32) has to store places frame (40), just store and place frame (40) and be located polaroid inoxidizing coating and add under mechanism (1).
10. The device for preparing the large-size silk screen of the liquid crystal display as claimed in claim 9, wherein: and a discharge connecting pipe (39) is uniformly and fixedly inserted at the bottom of one end of the storage placing frame (40).
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| CN113126345B CN113126345B (en) | 2022-06-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114967193A (en) * | 2022-06-08 | 2022-08-30 | 蚌埠市高远光电有限公司 | LCD liquid crystal display seals transfer equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03275389A (en) * | 1990-03-26 | 1991-12-06 | Agency Of Ind Science & Technol | Printed matter having discrimination mark |
| KR20040031636A (en) * | 2002-10-04 | 2004-04-13 | 세이코 엡슨 가부시키가이샤 | Dicing method, cover glass, liquid crystal panel, liquid crystal projector, imaging apparatus, and digital image recognition apparatus |
| JP2008304318A (en) * | 2007-06-07 | 2008-12-18 | Hitachi Plasma Display Ltd | Method and system for manufacturing plasma display panel |
| DE102007052182A1 (en) * | 2007-10-31 | 2009-05-07 | Grenzebach Maschinenbau Gmbh | Apparatus and method for reacting shock-sensitive glass plates in clean rooms |
| CN205291871U (en) * | 2016-01-11 | 2016-06-08 | 莆田市嘉业光电电子有限公司 | LCD sylphon full position silk screen printing composing structure |
| CN205291872U (en) * | 2016-01-11 | 2016-06-08 | 莆田市嘉业光电电子有限公司 | LCD sylphon full position silk screen printing device |
-
2021
- 2021-03-12 CN CN202110271904.8A patent/CN113126345B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03275389A (en) * | 1990-03-26 | 1991-12-06 | Agency Of Ind Science & Technol | Printed matter having discrimination mark |
| KR20040031636A (en) * | 2002-10-04 | 2004-04-13 | 세이코 엡슨 가부시키가이샤 | Dicing method, cover glass, liquid crystal panel, liquid crystal projector, imaging apparatus, and digital image recognition apparatus |
| JP2008304318A (en) * | 2007-06-07 | 2008-12-18 | Hitachi Plasma Display Ltd | Method and system for manufacturing plasma display panel |
| DE102007052182A1 (en) * | 2007-10-31 | 2009-05-07 | Grenzebach Maschinenbau Gmbh | Apparatus and method for reacting shock-sensitive glass plates in clean rooms |
| CN205291871U (en) * | 2016-01-11 | 2016-06-08 | 莆田市嘉业光电电子有限公司 | LCD sylphon full position silk screen printing composing structure |
| CN205291872U (en) * | 2016-01-11 | 2016-06-08 | 莆田市嘉业光电电子有限公司 | LCD sylphon full position silk screen printing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114967193A (en) * | 2022-06-08 | 2022-08-30 | 蚌埠市高远光电有限公司 | LCD liquid crystal display seals transfer equipment |
| CN114967193B (en) * | 2022-06-08 | 2023-04-25 | 蚌埠市高远光电有限公司 | LCD seals transfer equipment |
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| CN113126345B (en) | 2022-06-10 |
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