阅读说明：本技术 一种显示屏用偏光片的加工工艺方法 (Processing technique of polaroid for display screen ) 是由 杨恒 王雷 于 2021-07-16 设计创作，主要内容包括：本发明公开了一种显示屏用偏光片的加工工艺方法,其特征在于,所述偏光片由PET保护膜、黏着剂(粘着剂)、TAC、PVA、PMMA、离型膜复合构成；所述偏光片的加工工艺方法包括以下步骤：步骤一：准备偏光片原卷材料,所述偏光片原卷材料由多层高分子材料复合贴合而成；步骤二：通过FCC设备对原卷材料进行EPC控制并制出研磨工序所需制品；步骤三：通过研磨设备对FCC加工出制品进行精细加工；步骤四：进行外观检查；步骤五：通过AIS设备检查上一工序所存在的线标品、识别客户端所要求Mark标记、探测偏光片整体不良状况；步骤六：包装。该显示屏用偏光片的加工工艺方法,能够保证偏光片的精度尺寸,有利于保证偏光片的质量,有利于提高偏光片的良品率。(The invention discloses a processing technique of a polaroid for a display screen, which is characterized in that the polaroid is formed by compounding a PET (polyethylene terephthalate) protective film, an adhesive (an adhesive), TAC (TAC), PVA (polyvinyl acetate), PMMA (polymethyl methacrylate) and a release film; the processing method of the polaroid comprises the following steps: the method comprises the following steps: preparing a polaroid raw roll material, wherein the polaroid raw roll material is formed by compounding and laminating multiple layers of high molecular materials; step two: EPC control is carried out on the raw roll material through FCC equipment, and products required by the grinding procedure are manufactured; step three: finely processing the FCC-processed article by a grinding device; step four: carrying out appearance inspection; step five: checking a line label existing in the previous process, identifying a Mark Mark required by a client and detecting the overall bad condition of the polaroid through AIS equipment; step six: and (6) packaging. The processing method of the polaroid for the display screen can ensure the precision size of the polaroid, is favorable for ensuring the quality of the polaroid and is favorable for improving the yield of the polaroid.)

1. A processing method of a polaroid for a display screen is characterized in that the polaroid is formed by compounding a PET protective film, an adhesive (an adhesive), TAC, PVA, PMMA and a release film;

the processing method of the polaroid comprises the following steps:

the method comprises the following steps: preparing a polaroid raw roll material, wherein the polaroid raw roll material is formed by compounding and laminating multiple layers of high molecular materials;

step two: EPC control of the reel material by means of FCC equipment;

step three: finely processing the FCC-processed article by a grinding device;

step four: carrying out appearance inspection;

step five: checking a line label existing in the previous process, identifying a Mark Mark required by a client and detecting the overall bad condition of the polaroid through AIS equipment;

step six: and (6) packaging.

2. A processing method of a polarizer for a display screen according to claim 1, wherein: the FCC operation in the second step comprises the following steps:

step A1: preparing a PS plate, a logistics trolley, a hollow plate with edges, alcohol, dust-free cloth and antistatic liquid, confirming that the label printer is in a usable state, and cleaning a roller, a feeding roller and rumira (lumira) from inside to outside in the same direction by using the alcohol dust-free cloth;

step A2: confirming the raw material, namely confirming whether the surface of the raw material is dirty or not and whether particle foreign matters exist or not, if the surface of the raw material is dirty or not, cleaning the raw material by using alcohol dust-free cloth, and if the surface of the raw material cannot be cleaned, manually removing the defective area;

step A3: starting equipment, starting an FCC power supply, starting an operation mode to a manual state, preparing for starting operation, and operating a hydraulic pump;

step A4: mounting raw materials, namely, turning a feeding side operation mode to manual operation, enabling a telescopic cylinder to be in a contraction state, enabling a feeding device to stretch, wherein the stretching range is larger than the width of a raw roll by 50cm, and after confirming a raw roll discharging mode (downward discharging/upward discharging), forking the raw roll by a forklift to align to the axis of a feeding chuck of a machine table, and clamping the raw roll according to the sequence of the outward discharging of a jacking cylinder and the outward discharging of the chuck;

step A5: installing a cutting board;

step A6: the original reverse paper passing mode is that the operation preparation is switched to cutting, the operation mode is determined to be a manual mode and an unused state of an original reverse section difference, a tension control system is closed, an EPC encoder Center is clicked to adjust an original roll on a central axis of a machine, the original roll is in a JOE manual mode after the adjustment is finished, paper is passed according to an original reverse paper passing schematic diagram, and a feeding roller is pressed down after the adjustment is finished, so that the contraction of the original roll is prevented, and the paper passing effect is influenced;

slowly putting down an original reverse section differential wheel until the bottom end, recovering redundant original reverse on the original roll side to a tensioning state, starting a tension control system to lock the original roll after tensioning, automatically pressing an operation button on a feeding side, confirming that the original reverse is left-turned, tensioning the original reverse, lifting a feeding roller, pressing down the feeding roller after straightening and tightening a fluffy original reverse, adjusting an EPC edge correction system until the position is displayed to 0 position, then pressing an Auto to start automatic correction, starting the feeding roller to rotate forward in a manual mode to send the original reverse to a sprayer position of a code spraying machine, observing whether the original reverse has fluffy and whether the edge has a corresponding wide center mark or not, and if not, re-carrying out original reverse paper passing;

step A7: code spraying setting and program setting, wherein a FCC control panel is switched in for operation preparation, a mode setting interface is opened, a pressure plate descending mode is PS, a cutter die is replaced to be ON, a raw roll is wound out in a downward mode, a raw reverse section difference is used, a cleaning roller is OFF, a waste material winding roller is not used, a code spraying machine is used, the length of the raw roll and the alarm length of a winding core are input during conveying setting, the height values of straight platforms are confirmed to be consistent, a counter inputs cutting return number, data before emptying is switched to be 'one project', the automatic possible condition is confirmed to be an OK state, and the pressure value of the machine No. 1 is set to be 6-10 MPa; the pressure value of the No. 2 engine is 7-10 MPa;

step A8: material receiving preparation, namely preparing a material flow trolley, a splicing die, a PS plate, an upper plate material flow trolley number 2 and a lower plate material flow trolley number 1 according to a cut product, starting a conveying belt to adjust the speed to 35m/min, starting a blowing nozzle, adjusting the position of the material flow trolley, and putting the splicing die, the edge-covered hollow plate and the PS plate;

step A9: confirming by a first cutter, starting automatic operation in an engineering mode after preparation is finished, cutting for a single time until a cut finished product appears, stopping cutting, confirming the shape, position and size of a code spraying, and confirming whether the cut product is subjected to spinning or not and is not cut off by self-checking, and confirming the defect caused by equipment;

the first cutter finishes the quality inspection QC, and continues processing after the inspection is correct;

step A10: collecting excess materials and collecting products, driving a waste material coiling device to be in a manual state, winding leftover materials to a waste material coiling wheel, and adjusting coiling speed and torque to a mark position;

the FCC mode sets up interface waste material to batch up/waste material batches the poor use of segment, beat the automatic state with waste material coiling device, final definite logistics trolley position, observe whether the material has neatly to overlap, divide the operation side after the single car goods are accomplished, the commodity circulation label is put into to the drive side, flow into lower workshop section with the goods, adjust the bracing piece position, avoid contacting the goods surface when making the leftover bits send out, during the splicing, need to inspect common bad phenomenon such as seal is bad, cut bad crease etc. find bad and take out immediately and place the bad region.

Step A11: cutting, after confirming that all the cutting tools are correct, setting the operation mode to be automatic, setting the number of the required cutting tools, and automatically operating and starting;

step A12: printing logistics labels, selecting a detection mode according to the actual cutting quantity, the defective information and the cutting position, and printing the logistics labels after the fact that no errors exist is confirmed;

step A13: and (3) replacing the original roll, starting roll core cutting parameters to cut when the original roll is cut to the roll core, pressing down to emergently stop when the roll core is exposed, putting down the original counter-pressure plate to clamp the original counter-pressure plate, taking out the roll core by reverse operation according to original counter-installation steps, installing a new original roll, pulling out the original counter-pressure plate of the new original roll, connecting the joint by using a transparent adhesive tape, and continuing to cut after the connection is finished.

3. A processing method of a polarizer for a display screen according to claim 2, wherein: in the step A10, the polarizer should be taken by operating with two hands simultaneously, the opposite ends of the membrane are pinched, the membrane cannot be bent excessively, the pressure cannot be applied excessively to the surface of the membrane, and the MARK position must be placed at the same position.

4. A processing method of a polarizer for a display screen according to claim 2, wherein: in the step A13, the transparent adhesive tape is used for connecting joints on the premise that the width of the joints is consistent, the Grade standard is consistent, and the effective width is aligned during connection.

5. A processing method of a polarizer for a display screen according to claim 1, wherein: the processing work of the grinding equipment in the third step comprises the following steps:

step B1: confirming materials, namely confirming the type, the quantity and the product detection method according to the logistics label, and detecting whether the end face of a product has the abnormality such as collision damage, foreign matters and the like;

step B2: selecting a program and a die, automatically jumping to a SET program page by scanning a flow ticket, clicking to automatically operate, and pressing a button WORKSET;

step B3: installing a clamp pressing plate, lifting the pressing plate to align the clamping position of the lower clamp, and confirming that the pressing plate is installed in place;

step B4: sticking magnetic stripes, namely sticking 3 magnetic stripes with the thickness of 2mm on the Z axis, and positioning an upper clamp pressing plate;

step B5: placing a product and an upper pressing plate, placing the product and the pressing plate, pushing the product and the pressing plate in order, visually confirming a gap between the end face of the product and a Z axis, visually confirming a gap between the upper pressing plate and the Z axis, tightly pushing the end part of the product, stepping down a pedal, descending a cylinder, and pressing the product;

step B6: processing a product, namely closing a safety door of the grinding equipment, opening a dust collector, pressing a START button after the sound of the dust collector is increased, and processing;

step B7: cleaning and checking, namely cleaning the upper end and the lower end of the whole workbench by using a dust collector, edging by using sand paper to diagonally residual flocculent residual glue, cleaning foreign matters on the end surface and the workbench surface by using the dust collector after edging is finished, simultaneously carrying out dust sticking treatment on the end surface of a product by using a dust sticking roller, inspecting the end surface by using strong light manual electricity, and if the end surface is inspected to have a defect, taking out the defective product and placing the defective product in a designated area;

step B8: taking out the product, settling accounts, pressing down UNCLAMP to loosen the clamp, taking out the upper pressing plate, taking out the product, and conveying to a region to be detected according to a flow ticket checking method.

6. A processing method of a polarizer for a display screen according to claim 5, wherein: in the step B4, the magnetic strip is firstly attached to the approximate position according to the height of the product, and then the magnetic strip is attached to the edge of the material after the feeding is finished.

7. A processing method of a polarizer for a display screen according to claim 1, wherein: the appearance inspection in the fourth step is performed through a magnifying glass, a MARK pen, a dust-free block, alcohol and a straight steel ruler, and the inspection comprises the following steps:

step C1: preparing operation, namely preparing a product inspection table, a logistics trolley, auxiliary materials and a light-weight rubber roller, placing the trolley to be inspected and the trolley to be inspected in a specified area, and cleaning the product inspection table, the auxiliary materials, the trolley to be inspected and the trolley to be inspected;

step C2: inspecting the appearance of the supplied materials, namely inspecting foreign matters on the end surfaces, floating of the end surfaces, collision of the end surfaces, burrs of corners, poor cutting (leftover materials carried by products) and burrs of the end surfaces (sawteeth of the end surfaces after grinding processing) through a flashlight;

step C3: reflection inspection, wherein the reflection inspection environment is that a fluorescent lamp is used for lighting the upper part of the inspection platform, and the illumination requirement of the fluorescent lamp is as follows: 2000 +/-500 Lux, and the eye is about 15-30cm away from the polarizer, the product is raised by 15-20 degrees and is inspected for light reflection;

the method comprises the following steps of firstly checking a PF surface, then checking an SP surface, dividing a diaphragm into 4 areas, carrying out reflection check from bottom to top in a Z shape, and when MD (MD) stripes/impression is found in the check, additionally adding cross to check to determine whether PF stripes exist or not;

step C4: fluorescent lamp penetration inspection, wherein the fluorescent lamp penetration inspection environment is that the upper fluorescent lamp is started, the distance between eyes and the polarizer is about 15-30cm, SP faces upwards, and the product is tilted by 3-4 cm;

when the edge of the product is inspected, the distance between the edge of the product and the lower edge of the observation window is required to be 1cm, so that the edge part is ensured to be subjected to effective fluorescent lamp penetration inspection, and the inspection is carried out in a Z shape from bottom to top;

the penetration inspection also comprises the distinguishing of coating fragments from foreign matters on the surface of the PF and the distinguishing of TAC scratches from surface scratches;

step C5: performing Cross transmission inspection, turning off a local illumination and a sample table fluorescent lamp, performing Cross transmission inspection by using Light-Box, performing black/white mode inspection on a sample with a PF (positive) surface facing upwards, wherein the sample is in a white mode parallel to the MD direction of the patch, the sample is in a black mode perpendicular to the MD direction of the patch, and performing PF stripe inspection;

step C6: and (5) white bottom inspection, wherein the product quality inside the polaroid is inspected through the color difference between the white board and the polaroid. It is inspected for defects including foreign matter, stained mula, etc.;

step C7: marking, wherein the marked surface is an SP surface, and when ok is judged in the reinspection, wiping off the marked part by using alcohol and dust-free cloth and then performing good product formation;

step C8: measuring with a magnifier, wherein when defects such as foreign matters, bubbles and the like are found, the defects are measured with the magnifier, the cell of the magnifier 1 is 100 μm, and the calculation method is phi ═ b)/2;

when confirming, the surface of the magnifier is completely attached to the product, the magnifier and eyes of an inspector need to be close to each other, a defect spot to be observed is placed at the center of the Scale marked by the magnifier, and the specification of the defect is confirmed by taking the marked Scale as a reference;

step C9: inputting a system, completing LOT inspection, recording the quantity of all good products and inputting the quantity into an MES system, and classifying defective products (poor raw materials and poor processing) and inputting the defective products into the MES system;

step C10: cleaning products, enabling good products recorded with the MES system to flow into the next process, and respectively placing classified defective products recorded with the MES system in designated areas;

step C11: and (5) correcting the product, withdrawing the product after the product is corrected and cooled, and observing the correction effect.

8. A processing method of a polarizer for a display screen according to claim 7, wherein: the principle of distinguishing the coating fragments from the foreign matters on the surface of the PF in the step C4 is to shake/wipe the product, and the foreign matters disappear; and the upper fluorescent lamp was turned off, the foreign matter was still visible and the coating broke away.

9. A processing method of a polarizer for a display screen according to claim 7, wherein: the principle of distinguishing the TAC scratch from the surface scratch in the step C4 is that the TAC scratch occurs inside the membrane, and the surface scratch occurs on the surface of the PF/SP membrane; the scratch of TAC is a short straight line in the MD direction, the TAC is generally invisible in reflection inspection, a fluorescent lamp is slightly visible in transmission, and cross is obvious in black mode; and the surface scratch reflection inspection is obvious and disappears after the PF/SP film is stripped, and meanwhile, when suspected TAC scratch is found, the stripping inspection is added for final judgment.

10. A processing method of a polarizer for a display screen according to claim 1, wherein: in the fifth step, the operation of the AIS equipment comprises the following steps:

step D1: preparing operation, namely preparing required main materials and auxiliary materials, preparing packaging materials, and placing the packaging materials in a box, a PS plate and a blue film roller;

step D2: starting the equipment, starting an equipment operation panel, starting a camera, a lamp tube, an operation panel and software of the lamp tube, resetting a motor and removing all alarm information of a machine table;

step D3: cleaning equipment;

step D4: feeding, confirming the defects of foreign matters, dirt, bruise and the like ON the end face of the product by using a strong-light flashlight, confirming OK to perform the next action, adhering the material to a backrest, aligning and clamping the edge of the product by using a baffle, and switching a magnet switch to be in an ON state;

step D5: program calling, namely confirming that the operation mode of the machine is a manual state, confirming the logistics label, scanning the Lot bar code of the product batch by using a code scanning gun on a program calling interface, and automatically calling the program;

step D6: collecting products, namely placing the clean containing box on a lifting trolley and at a specified position, enabling the fixed side of a movable baffle to face outwards, checking whether a buckle of the containing box is damaged or not, if so, replacing the box in time, placing a PP plate with a size corresponding to 2pcs, and adjusting the position of the baffle according to the position of the PP plate;

step D7: normal operation is carried out;

step D8: packaging, confirming the integrity of the stop block of the containing box before packaging, placing one piece of protective product on the PS plate before packaging, placing 1 piece of pp plate on the surface of the product for protection after the quantity is met, adjusting the movable baffle plate to be completely tightly attached to the edge of the product and locking, and placing the spongy cushion on the surface of the PS plate to be parallel to the surface of the baffle plate to prevent the product from shifting in the moving process;

step D9: labeling, namely labeling a delivery label at the middle position of the upward direction of the spongy cushion, and locking the storage box cover by using a buckle;

step D10: and (4) processing the reserved products, namely conveying the reserved products in the bad trolley to a product inspection place for confirmation.

Technical Field

The invention relates to the technical field of polaroid processing, in particular to a processing method of a polaroid for a display screen.

Background

The polaroid is called as a polaroid because the polaroid facing eyes of a common liquid crystal display is frosted to dissipate surface reflection and scatter light to increase the visual angle of the liquid crystal display;

at present, when the polaroid is processed and produced, the precision size of the polaroid cannot be ensured, the quality of the polaroid cannot be ensured, and the yield of the polaroid cannot be improved.

Disclosure of Invention

The invention aims to provide a processing technique method of a polaroid for a display screen, which aims to solve the problems that the precision size of the polaroid cannot be ensured, the quality of the polaroid is not favorably ensured, and the yield of the polaroid is not favorably improved when the polaroid is processed and produced currently in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a processing method of a polaroid for a display screen is characterized in that the polaroid is formed by compounding a PET protective film, an adhesive (an adhesive), TAC, PVA, PMMA and a release film;

the processing method of the polaroid comprises the following steps:

the method comprises the following steps: preparing a polaroid raw roll material, wherein the polaroid raw roll material is formed by compounding and laminating multiple layers of high molecular materials;

step two: EPC control of the reel material by means of FCC equipment;

step three: finely processing the FCC-processed article by a grinding device;

step four: carrying out appearance inspection;

step five: checking a line label existing in the previous process, identifying a Mark Mark required by a client and detecting the overall bad condition of the polaroid through AIS equipment;

step six: and (6) packaging.

2. A processing method of a polarizer for a display screen according to claim 1, wherein: the FCC operation in the second step comprises the following steps:

step A1: preparing a PS plate, a logistics trolley, a hollow plate with edges, alcohol, dust-free cloth and antistatic liquid, confirming that the label printer is in a usable state, and cleaning a roller, a feeding roller and rumira (lumira) from inside to outside in the same direction by using the alcohol dust-free cloth;

step A2: confirming the raw material, namely confirming whether the surface of the raw material is dirty or not and whether particle foreign matters exist or not, if the surface of the raw material is dirty or not, cleaning the raw material by using alcohol dust-free cloth, and if the surface of the raw material cannot be cleaned, manually removing the defective area;

step A3: starting equipment, starting an FCC power supply, starting an operation mode to a manual state, preparing for starting operation, and operating a hydraulic pump;

step A4: mounting raw materials, namely, turning a feeding side operation mode to manual operation, enabling a telescopic cylinder to be in a contraction state, enabling a feeding device to stretch, wherein the stretching range is larger than the width of a raw roll by 50cm, and after confirming a raw roll discharging mode (downward discharging/upward discharging), forking the raw roll by a forklift to align to the axis of a feeding chuck of a machine table, and clamping the raw roll according to the sequence of the outward discharging of a jacking cylinder and the outward discharging of the chuck;

step A5: installing a cutting board;

step A6: the original reverse paper passing mode is that the operation preparation is switched to cutting, the operation mode is determined to be a manual mode and an unused state of an original reverse section difference, a tension control system is closed, an EPC encoder Center is clicked to adjust an original roll on a central axis of a machine, the original roll is in a JOE manual mode after the adjustment is finished, paper is passed according to an original reverse paper passing schematic diagram, and a feeding roller is pressed down after the adjustment is finished, so that the contraction of the original roll is prevented, and the paper passing effect is influenced;

slowly putting down an original reverse section differential wheel until the bottom end, recovering redundant original reverse on the original roll side to a tensioning state, starting a tension control system to lock the original roll after tensioning, automatically pressing an operation button on a feeding side, confirming that the original reverse is left-turned, tensioning the original reverse, lifting a feeding roller, pressing down the feeding roller after straightening and tightening a fluffy original reverse, adjusting an EPC edge correction system until the position is displayed to 0 position, then pressing an Auto to start automatic correction, starting the feeding roller to rotate forward in a manual mode to send the original reverse to a sprayer position of a code spraying machine, observing whether the original reverse has fluffy and whether the edge has a corresponding wide center mark or not, and if not, re-carrying out original reverse paper passing;

step A7: code spraying setting and program setting, wherein a FCC control panel is switched in for operation preparation, a mode setting interface is opened, a pressure plate descending mode is PS, a cutter die is replaced to be ON, a raw roll is wound out in a downward mode, a raw reverse section difference is used, a cleaning roller is OFF, a waste material winding roller is not used, a code spraying machine is used, the length of the raw roll and the alarm length of a winding core are input during conveying setting, the height values of straight platforms are confirmed to be consistent, a counter inputs cutting return number, data before emptying is switched to be 'one project', the automatic possible condition is confirmed to be an OK state, and the pressure value of the machine No. 1 is set to be 6-10 MPa; the pressure value of the No. 2 engine is 7-10 MPa;

step A8: material receiving preparation, namely preparing a material flow trolley, a splicing die, a PS plate, an upper plate material flow trolley number 2 and a lower plate material flow trolley number 1 according to a cut product, starting a conveying belt to adjust the speed to 35m/min, starting a blowing nozzle, adjusting the position of the material flow trolley, and putting the splicing die, the edge-covered hollow plate and the PS plate;

step A9: confirming by a first cutter, starting automatic operation in an engineering mode after preparation is finished, cutting for a single time until a cut finished product appears, stopping cutting, confirming the shape, position and size of a code spraying, and confirming whether the cut product is subjected to spinning or not and is not cut off by self-checking, and confirming the defect caused by equipment;

the first cutter finishes the quality inspection QC, and continues processing after the inspection is correct;

step A10: collecting excess materials and collecting products, driving a waste material coiling device to be in a manual state, winding leftover materials to a waste material coiling wheel, and adjusting coiling speed and torque to a mark position;

the FCC mode sets up interface waste material to batch up/waste material batches the poor use of segment, beat the automatic state with waste material coiling device, final definite logistics trolley position, observe whether the material has neatly to overlap, divide the operation side after the single car goods are accomplished, the commodity circulation label is put into to the drive side, flow into lower workshop section with the goods, adjust the bracing piece position, avoid contacting the goods surface when making the leftover bits send out, during the splicing, need to inspect common bad phenomenon such as seal is bad, cut bad crease etc. find bad and take out immediately and place the bad region.

Step A11: cutting, after confirming that all the cutting tools are correct, setting the operation mode to be automatic, setting the number of the required cutting tools, and automatically operating and starting;

step A12: printing logistics labels, selecting a detection mode according to the actual cutting quantity, the defective information and the cutting position, and printing the logistics labels after the fact that no errors exist is confirmed;

step A13: replacing the original roll, starting roll core cutting parameters to cut when the original roll is cut to a roll core, pressing down to emergently stop when the roll core is exposed, putting down an original counter-pressure plate to clamp an original counter, taking out the roll core according to the original counter-installation step reverse operation, installing a new original roll, pulling out the new original roll, connecting joints by using a transparent adhesive tape, and continuing cutting after the connection is finished;

3. a processing method of a polarizer for a display screen according to claim 2, wherein: in the step A10, the polarizer should be taken by operating with two hands simultaneously, the opposite ends of the membrane are pinched, the membrane cannot be bent excessively, the pressure cannot be applied excessively to the surface of the membrane, and the MARK position must be placed at the same position.

4. A processing method of a polarizer for a display screen according to claim 2, wherein: in the step A13, the transparent adhesive tape is used for connecting joints on the premise that the width of the joints is consistent, the Grade standard is consistent, and the effective width is aligned during connection.

5. A processing method of a polarizer for a display screen according to claim 1, wherein: the processing work of the grinding equipment in the third step comprises the following steps:

step B1: confirming materials, namely confirming the type, the quantity and the product detection method according to the logistics label, and detecting whether the end face of a product has the abnormality such as collision damage, foreign matters and the like;

step B2: selecting a program and a die, automatically jumping to a SET program page by scanning a flow ticket, clicking to automatically operate, and pressing a button WORKSET;

step B3: installing a clamp pressing plate, lifting the pressing plate to align the clamping position of the lower clamp, and confirming that the pressing plate is installed in place;

step B4: sticking magnetic stripes, namely sticking 3 magnetic stripes with the thickness of 2mm on the Z axis, and positioning an upper clamp pressing plate;

step B5: placing a product and an upper pressing plate, placing the product and the pressing plate, pushing the product and the pressing plate in order, visually confirming a gap between the end face of the product and a Z axis, visually confirming a gap between the upper pressing plate and the Z axis, tightly pushing the end part of the product, stepping down a pedal, descending a cylinder, and pressing the product;

step B6: processing a product, namely closing a safety door of the grinding equipment, opening a dust collector, pressing a START button after the sound of the dust collector is increased, and processing;

step B7: cleaning and checking, namely cleaning the upper end and the lower end of the whole workbench by using a dust collector, edging by using sand paper to diagonally residual flocculent residual glue, cleaning foreign matters on the end surface and the workbench surface by using the dust collector after edging is finished, simultaneously carrying out dust sticking treatment on the end surface of a product by using a dust sticking roller, inspecting the end surface by using strong light manual electricity, and if the end surface is inspected to have a defect, taking out the defective product and placing the defective product in a designated area;

step B8: taking out the product, settling accounts, pressing down UNCLAMP to loosen the clamp, taking out the upper pressing plate, taking out the product, and conveying to a region to be detected according to a flow ticket checking method.

6. A processing method of a polarizer for a display screen according to claim 5, wherein: in the step B4, the magnetic strip is firstly attached to the approximate position according to the height of the product, and then the magnetic strip is attached to the edge of the material after the feeding is finished.

7. A processing method of a polarizer for a display screen according to claim 1, wherein: the appearance inspection in the fourth step is performed through a magnifying glass, a MARK pen, a dust-free block, alcohol and a straight steel ruler, and the inspection comprises the following steps:

step C1: preparing operation, namely preparing a product inspection table, a logistics trolley, auxiliary materials and a light-weight rubber roller, placing the trolley to be inspected and the trolley to be inspected in a specified area, and cleaning the product inspection table, the auxiliary materials, the trolley to be inspected and the trolley to be inspected;

step C2: inspecting the appearance of the supplied materials, namely inspecting foreign matters on the end surfaces, floating of the end surfaces, collision of the end surfaces, burrs of corners, poor cutting (leftover materials carried by products) and burrs of the end surfaces (sawteeth of the end surfaces after grinding processing) through a flashlight;

step C3: reflection inspection, wherein the reflection inspection environment is that a fluorescent lamp is used for lighting the upper part of the inspection platform, and the illumination requirement of the fluorescent lamp is as follows: 2000 +/-500 Lux, and the eye is about 15-30cm away from the polarizer, the product is raised by 15-20 degrees and is inspected for light reflection;

the method comprises the following steps of firstly checking a PF surface, then checking an SP surface, dividing a diaphragm into 4 areas, carrying out reflection check from bottom to top in a Z shape, and when MD (MD) stripes/impression is found in the check, additionally adding cross to check to determine whether PF stripes exist or not;

step C4: fluorescent lamp penetration inspection, wherein the fluorescent lamp penetration inspection environment is that the upper fluorescent lamp is started, the distance between eyes and the polarizer is about 15-30cm, SP faces upwards, and the product is tilted by 3-4 cm;

when the edge of the product is inspected, the distance between the edge of the product and the lower edge of the observation window is required to be 1cm, so that the edge part is ensured to be subjected to effective fluorescent lamp penetration inspection, and the inspection is carried out in a Z shape from bottom to top;

the penetration inspection also comprises the distinguishing of coating fragments from foreign matters on the surface of the PF and the distinguishing of TAC scratches from surface scratches;

step C5: performing Cross transmission inspection, turning off a local illumination and a sample table fluorescent lamp, performing Cross transmission inspection by using Light-Box, performing black/white mode inspection on a sample with a PF (positive) surface facing upwards, wherein the sample is in a white mode parallel to the MD direction of the patch, the sample is in a black mode perpendicular to the MD direction of the patch, and performing PF stripe inspection;

step C6: and (5) white bottom inspection, wherein the product quality inside the polaroid is inspected through the color difference between the white board and the polaroid. It is inspected for defects including foreign matter, stained mula, etc.;

step C7: marking, wherein the marked surface is an SP surface, and when ok is judged in the reinspection, wiping off the marked part by using alcohol and dust-free cloth and then performing good product formation;

step C8: measuring with a magnifier, wherein when defects such as foreign matters, bubbles and the like are found, the defects are measured with the magnifier, the cell of the magnifier 1 is 100 μm, and the calculation method is phi ═ b)/2;

when confirming, the surface of the magnifier is completely attached to the product, the magnifier and eyes of an inspector need to be close to each other, a defect spot to be observed is placed at the center of the Scale marked by the magnifier, and the specification of the defect is confirmed by taking the marked Scale as a reference;

step C9: inputting a system, completing LOT inspection, recording the quantity of all good products and inputting the quantity into an MES system, and classifying defective products (poor raw materials and poor processing) and inputting the defective products into the MES system;

step C10: cleaning products, enabling good products recorded with the MES system to flow into the next process, and respectively placing classified defective products recorded with the MES system in designated areas;

step C11: and (5) correcting the product, withdrawing the product after the product is corrected and cooled, and observing the correction effect.

8. A processing method of a polarizer for a display screen according to claim 7, wherein: the principle of distinguishing the coating fragments from the foreign matters on the surface of the PF in the step C4 is to shake/wipe the product, and the foreign matters disappear; and the upper fluorescent lamp was turned off, the foreign matter was still visible and the coating broke away.

9. A processing method of a polarizer for a display screen according to claim 7, wherein: the principle of distinguishing the TAC scratch from the surface scratch in the step C4 is that the TAC scratch occurs inside the membrane, and the surface scratch occurs on the surface of the PF/SP membrane; the scratch of TAC is a short straight line in the MD direction, the TAC is generally invisible in reflection inspection, a fluorescent lamp is slightly visible in transmission, and cross is obvious in black mode; and the surface scratch reflection inspection is obvious and disappears after the PF/SP film is stripped, and meanwhile, when suspected TAC scratch is found, the stripping inspection is added for final judgment.

10. A processing method of a polarizer for a display screen according to claim 1, wherein: in the fifth step, the operation of the AIS equipment comprises the following steps:

step D1: preparing operation, namely preparing required main materials and auxiliary materials, preparing packaging materials, and placing the packaging materials in a box, a PS plate and a blue film roller;

step D2: starting the equipment, starting an equipment operation panel, starting a camera, a lamp tube, an operation panel and software of the lamp tube, resetting a motor and removing all alarm information of a machine table;

step D3: cleaning equipment;

step D4: feeding, confirming the defects of foreign matters, dirt, bruise and the like ON the end face of the product by using a strong-light flashlight, confirming OK to perform the next action, adhering the material to a backrest, aligning and clamping the edge of the product by using a baffle, and switching a magnet switch to be in an ON state;

step D5: program calling, namely confirming that the operation mode of the machine is a manual state, confirming the logistics label, scanning the Lot bar code of the product batch by using a code scanning gun on a program calling interface, and automatically calling the program;

step D6: collecting products, namely placing the clean containing box on a lifting trolley and at a specified position, enabling the fixed side of a movable baffle to face outwards, checking whether a buckle of the containing box is damaged or not, if so, replacing the box in time, placing a PP plate with a size corresponding to 2pcs, and adjusting the position of the baffle according to the position of the PP plate;

step D7: normal operation is carried out;

step D8: packaging, confirming the integrity of the stop block of the containing box before packaging, placing one piece of protective product on the PS plate before packaging, placing 1 piece of pp plate on the surface of the product for protection after the quantity is met, adjusting the movable baffle plate to be completely tightly attached to the edge of the product and locking, and placing the spongy cushion on the surface of the PS plate to be parallel to the surface of the baffle plate to prevent the product from shifting in the moving process;

step D9: labeling, namely labeling a delivery label at the middle position of the upward direction of the spongy cushion, and locking the storage box cover by using a buckle;

step D10: and (4) processing the reserved products, namely conveying the reserved products in the bad trolley to a product inspection place for confirmation.

Compared with the prior art, the invention has the beneficial effects that: the processing method of the polaroid for the display screen can ensure the precision size of the polaroid, is favorable for ensuring the quality of the polaroid and is favorable for improving the yield of the polaroid.

Drawings

FIG. 1 is a schematic view of the process of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1, the present invention provides a technical solution: a processing method of a polaroid for a display screen is characterized in that the polaroid is formed by compounding a PET protective film, an adhesive, TAC, PVA, PMMA and a release film;

the processing method of the polaroid comprises the following steps:

firstly, the method comprises the following steps: preparing a polaroid raw roll material, wherein the polaroid raw roll material is formed by compounding and laminating multiple layers of high molecular materials;

II, secondly: EPC control of the reel material by means of FCC equipment;

wherein the FCC operation comprises the steps of:

step A1: preparing a PS plate, a logistics trolley, a hollow plate with edges, alcohol, dust-free cloth and antistatic liquid, confirming that the label printer is in a usable state, and cleaning the roller, the feeding roller and the rumira from inside to outside in the same direction by using the alcohol dust-free cloth;

step A2: confirming the raw material, namely confirming whether the surface of the raw material is dirty or not and whether particle foreign matters exist or not, if the surface of the raw material is dirty or not, cleaning the raw material by using alcohol dust-free cloth, and if the surface of the raw material cannot be cleaned, manually removing the defective area;

step A3: starting equipment, starting an FCC power supply, starting an operation mode to a manual state, preparing for starting operation, and operating a hydraulic pump;

step A4: mounting raw materials, namely, turning a feeding side operation mode to manual operation, enabling a telescopic cylinder to be in a contraction state, enabling a feeding device to stretch, wherein the stretching range is larger than the width of a raw roll by 50cm, and after confirming a raw roll discharging mode (downward discharging/upward discharging), forking the raw roll by a forklift to align to the axis of a feeding chuck of a machine table, and clamping the raw roll according to the sequence of the outward discharging of a jacking cylinder and the outward discharging of the chuck;

step A5: installing a cutting board;

step A6: the original reverse paper passing mode is that the operation preparation is switched to cutting, the operation mode is determined to be a manual mode and an unused state of an original reverse section difference, a tension control system is closed, an EPC encoder Center is clicked to adjust an original roll on a central axis of a machine, the original roll is in a JOE manual mode after the adjustment is finished, paper is passed according to an original reverse paper passing schematic diagram, and a feeding roller is pressed down after the adjustment is finished, so that the contraction of the original roll is prevented, and the paper passing effect is influenced;

slowly putting down an original reverse section differential wheel until the bottom end, recovering redundant original reverse on the original roll side to a tensioning state, starting a tension control system to lock the original roll after tensioning, automatically pressing an operation button on a feeding side, confirming that the original reverse is left-turned, tensioning the original reverse, lifting a feeding roller, pressing down the feeding roller after straightening and tightening a fluffy original reverse, adjusting an EPC edge correction system until the position is displayed to 0 position, then pressing an Auto to start automatic correction, starting the feeding roller to rotate forward in a manual mode to send the original reverse to a sprayer position of a code spraying machine, observing whether the original reverse has fluffy and whether the edge has a corresponding wide center mark or not, and if not, re-carrying out original reverse paper passing;

step A7: code spraying setting and program setting, wherein a FCC control panel is switched in for operation preparation, a mode setting interface is opened, a pressure plate descending mode is PS, a cutter die is replaced to be ON, a raw roll is wound out in a downward mode, a raw reverse section difference is used, a cleaning roller is OFF, a waste material winding roller is not used, a code spraying machine is used, the length of the raw roll and the alarm length of a winding core are input during conveying setting, the height values of straight platforms are confirmed to be consistent, a counter inputs cutting return number, data before emptying is switched to be 'one project', the automatic possible condition is confirmed to be an OK state, and the pressure value of the machine No. 1 is set to be 6-10 MPa; the pressure value of the No. 2 engine is 7-10 MPa;

step A8: material receiving preparation, namely preparing a material flow trolley, a splicing die, a PS plate, an upper plate material flow trolley number 2 and a lower plate material flow trolley number 1 according to a cut product, starting a conveying belt to adjust the speed to 35m/min, starting a blowing nozzle, adjusting the position of the material flow trolley, and putting the splicing die, the edge-covered hollow plate and the PS plate;

step A9: confirming by a first cutter, starting automatic operation in an engineering mode after preparation is finished, cutting for a single time until a cut finished product appears, stopping cutting, confirming the shape, position and size of a code spraying, and confirming whether the cut product is subjected to spinning or not and is not cut off by self-checking, and confirming the defect caused by equipment;

the first cutter finishes the quality inspection QC, and continues processing after the inspection is correct;

step A10: collecting excess materials and collecting products, driving a waste material coiling device to be in a manual state, winding leftover materials to a waste material coiling wheel, and adjusting coiling speed and torque to a mark position;

setting interface waste material coiling/waste material coiling section difference for use in an FCC mode, driving a waste material coiling device to be in an automatic state, finally determining the position of a logistics trolley, observing whether materials are overlapped in order or not, dividing a single-trolley product into an operation side after the completion, placing a logistics label on a driving side, enabling the product to flow into a lower working section, adjusting the position of a supporting rod, avoiding contacting the surface of the product when sending out leftover materials, and when splicing, checking common bad phenomena such as bad seals, bad crease cutting and the like, and immediately taking out and placing a bad area when finding bad;

the polarizer is taken by simultaneously operating two hands, the two opposite ends of the diaphragm are pinched, the diaphragm cannot be bent excessively and cannot be pressed excessively on the surface of the diaphragm, and the MARK position must be placed at the same position.

Step A11: cutting, after confirming that all the cutting tools are correct, setting the operation mode to be automatic, setting the number of the required cutting tools, and automatically operating and starting;

step A12: printing logistics labels, selecting a detection mode according to the actual cutting quantity, the defective information and the cutting position, and printing the logistics labels after the fact that no errors exist is confirmed;

step A13: replacing the original roll, starting roll core cutting parameters to cut when the original roll is cut to a roll core, pressing down to emergently stop when the roll core is exposed, putting down an original counter-pressure plate to clamp an original counter, taking out the roll core according to the original counter-installation step reverse operation, installing a new original roll, pulling out the new original roll, connecting joints by using a transparent adhesive tape, and continuing cutting after the connection is finished;

the transparent adhesive tape is used for connecting joints on the premise that the width of the joints is consistent, the Grade standard is consistent, and the effective width positions are aligned during connection;

thirdly, the method comprises the following steps: finely processing the FCC-processed article by a grinding device;

wherein the processing work of the grinding equipment comprises the following steps:

step B1: confirming materials, namely confirming the type, the quantity and the product detection method according to the logistics label, and detecting whether the end face of a product has the abnormality such as collision damage, foreign matters and the like;

step B2: selecting a program and a die, automatically jumping to a SET program page by scanning a flow ticket, clicking to automatically operate, and pressing a button WORKSET;

step B3: installing a clamp pressing plate, lifting the pressing plate to align the clamping position of the lower clamp, and confirming that the pressing plate is installed in place;

step B4: sticking magnetic stripes, namely sticking 3 magnetic stripes with the thickness of 2mm on the Z axis, and positioning an upper clamp pressing plate;

step B5: placing a product and an upper pressing plate, placing the product and the pressing plate, pushing the product and the pressing plate in order, visually confirming a gap between the end face of the product and a Z axis, visually confirming a gap between the upper pressing plate and the Z axis, tightly pushing the end part of the product, stepping down a pedal, descending a cylinder, and pressing the product;

the magnetic strips are attached to approximate positions according to the height of the product, and are attached to the edges of the material after the material is fed;

step B6: processing a product, namely closing a safety door of the grinding equipment, opening a dust collector, pressing a START button after the sound of the dust collector is increased, and processing;

step B7: cleaning and checking, namely cleaning the upper end and the lower end of the whole workbench by using a dust collector, edging by using sand paper to diagonally residual flocculent residual glue, cleaning foreign matters on the end surface and the workbench surface by using the dust collector after edging is finished, simultaneously carrying out dust sticking treatment on the end surface of a product by using a dust sticking roller, inspecting the end surface by using strong light manual electricity, and if the end surface is inspected to have a defect, taking out the defective product and placing the defective product in a designated area;

step B8: taking out the product, settling accounts, pressing down UNCLAMP to loosen the clamp, taking out the upper pressing plate, taking out the product, and conveying to a region to be detected according to a flow ticket checking method.

Fourthly, the method comprises the following steps: carrying out appearance inspection;

wherein the appearance inspection is carried out through a magnifying glass, a MARK pen, a dust-free block, alcohol and a straight steel ruler, and the inspection comprises the following steps:

step C1: preparing operation, namely preparing a product inspection table, a logistics trolley, auxiliary materials and a light-weight rubber roller, placing the trolley to be inspected and the trolley to be inspected in a specified area, and cleaning the product inspection table, the auxiliary materials, the trolley to be inspected and the trolley to be inspected;

step C2: inspecting the appearance of the supplied materials, namely inspecting foreign matters on the end surfaces, floating of the end surfaces, collision of the end surfaces, burrs of corners, poor cutting (leftover materials carried by products) and burrs of the end surfaces (sawteeth of the end surfaces after grinding processing) through a flashlight;

step C3: reflection inspection, wherein the reflection inspection environment is that a fluorescent lamp is used for lighting the upper part of the inspection platform, and the illumination requirement of the fluorescent lamp is as follows: 2000 +/-500 Lux, and the eye is about 15-30cm away from the polarizer, the product is raised by 15-20 degrees and is inspected for light reflection;

the method comprises the following steps of firstly checking a PF surface, then checking an SP surface, dividing a diaphragm into 4 areas, carrying out reflection check from bottom to top in a Z shape, and when MD (MD) stripes/impression is found in the check, additionally adding cross to check to determine whether PF stripes exist or not;

step C4: fluorescent lamp penetration inspection, wherein the fluorescent lamp penetration inspection environment is that the upper fluorescent lamp is started, the distance between eyes and the polarizer is about 15-30cm, SP faces upwards, and the product is tilted by 3-4 cm;

when the edge of the product is inspected, the distance between the edge of the product and the lower edge of the observation window is required to be 1cm, so that the edge part is ensured to be subjected to effective fluorescent lamp penetration inspection, and the inspection is carried out in a Z shape from bottom to top;

the penetration inspection also comprises the distinguishing of coating fragments from foreign matters on the surface of the PF and the distinguishing of TAC scratches from surface scratches;

the principle of distinguishing the broken coating from the foreign matters on the surface of the PF is shaking/wiping the product, and the foreign matters disappear; when the upper fluorescent lamp is turned off, the foreign matters are still visible, and the coating is broken and disappears;

the principle of distinguishing the TAC scratch from the surface scratch is that the TAC scratch occurs inside the membrane, and the surface scratch occurs on the surface of the PF/SP membrane; the scratch of TAC is a short straight line in the MD direction, the TAC is generally invisible in reflection inspection, a fluorescent lamp is slightly visible in transmission, and cross is obvious in black mode; and the surface scratch reflection inspection is obvious and disappears after the PF/SP film is stripped, and meanwhile, when suspected TAC scratch is found, the stripping inspection is added for final judgment;

step C5: performing Cross transmission inspection, turning off a local illumination and a sample table fluorescent lamp, performing Cross transmission inspection by using Light-Box, performing black/white mode inspection on a sample with a PF (positive) surface facing upwards, wherein the sample is in a white mode parallel to the MD direction of the patch, the sample is in a black mode perpendicular to the MD direction of the patch, and performing PF stripe inspection;

step C6: and (5) white bottom inspection, wherein the product quality inside the polaroid is inspected through the color difference between the white board and the polaroid. It is inspected for defects including foreign matter, stained mula, etc.;

step C7: marking, wherein the marked surface is an SP surface, and when ok is judged in the reinspection, wiping off the marked part by using alcohol and dust-free cloth and then performing good product formation;

step C8: measuring with a magnifier, wherein when defects such as foreign matters, bubbles and the like are found, the defects are measured with the magnifier, the cell of the magnifier 1 is 100 μm, and the calculation method is phi ═ b)/2;

when confirming, the surface of the magnifier is completely attached to the product, the magnifier and eyes of an inspector need to be close to each other, a defect spot to be observed is placed at the center of the Scale marked by the magnifier, and the specification of the defect is confirmed by taking the marked Scale as a reference;

step C9: inputting a system, completing LOT inspection, recording the quantity of all good products and inputting the quantity into an MES system, and classifying defective products (poor raw materials and poor processing) and inputting the defective products into the MES system;

step C10: cleaning products, enabling good products recorded with the MES system to flow into the next process, and respectively placing classified defective products recorded with the MES system in designated areas;

step C11: and (5) correcting the product, withdrawing the product after the product is corrected and cooled, and observing the correction effect.

Fifthly: checking a line label existing in the previous process, identifying a Mark Mark required by a client and detecting the overall bad condition of the polaroid through AIS equipment;

the AIS equipment comprises the following steps:

step D1: preparing operation, namely preparing required main materials and auxiliary materials, preparing packaging materials, and placing the packaging materials in a box, a PS plate and a blue film roller;

step D2: starting the equipment, starting an equipment operation panel, starting a camera, a lamp tube, an operation panel and software of the lamp tube, resetting a motor and removing all alarm information of a machine table;

step D3: cleaning equipment;

step D4: feeding, confirming the defects of foreign matters, dirt, bruise and the like ON the end face of the product by using a strong-light flashlight, confirming OK to perform the next action, adhering the material to a backrest, aligning and clamping the edge of the product by using a baffle, and switching a magnet switch to be in an ON state;

step D5: program calling, namely confirming that the operation mode of the machine is a manual state, confirming the logistics label, scanning the Lot bar code of the product batch by using a code scanning gun on a program calling interface, and automatically calling the program;

step D6: collecting products, namely placing the clean containing box on a lifting trolley and at a specified position, enabling the fixed side of a movable baffle to face outwards, checking whether a buckle of the containing box is damaged or not, if so, replacing the box in time, placing a PP plate with a size corresponding to 2pcs, and adjusting the position of the baffle according to the position of the PP plate;

step D7: normal operation is carried out;

step D8: packaging, confirming the integrity of the stop block of the containing box before packaging, placing one piece of protective product on the PS plate before packaging, placing 1 piece of pp plate on the surface of the product for protection after the quantity is met, adjusting the movable baffle plate to be completely tightly attached to the edge of the product and locking, and placing the spongy cushion on the surface of the PS plate to be parallel to the surface of the baffle plate to prevent the product from shifting in the moving process;

step D9: labeling, namely labeling a delivery label at the middle position of the upward direction of the spongy cushion, and locking the storage box cover by using a buckle;

step D10: and (4) processing the reserved products, namely conveying the reserved products in the bad trolley to a product inspection place for confirmation.

Sixthly, the method comprises the following steps: and (6) packaging.

Those not described in detail in this specification are within the skill of the art. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.