CN115947528B - Method for reducing formation of microscopic waviness in glass substrate production - Google Patents
Method for reducing formation of microscopic waviness in glass substrate production Download PDFInfo
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- CN115947528B CN115947528B CN202310107760.1A CN202310107760A CN115947528B CN 115947528 B CN115947528 B CN 115947528B CN 202310107760 A CN202310107760 A CN 202310107760A CN 115947528 B CN115947528 B CN 115947528B
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- 239000011521 glass Substances 0.000 title claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000758 substrate Substances 0.000 title claims abstract description 20
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 25
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000004458 analytical method Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000002844 melting Methods 0.000 claims abstract description 15
- 230000008018 melting Effects 0.000 claims abstract description 15
- 244000309464 bull Species 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 230000005389 magnetism Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention discloses a method for reducing microscopic waviness formation in glass substrate production, which specifically comprises the following steps: step one: firstly, a temperature sensor is arranged in a melting furnace of a glass production line, then a laser scanner is arranged at a forming section of the production line, a rotating speed sensor and a sensing control mechanism are arranged outside a tin liquid pool of the production line, simultaneously, the temperature sensor, the laser scanner and an electromagnet of the sensing control mechanism as well as the rotating speed sensor are electrically connected with an external control circuit, simultaneously, a feeding device and a temperature control device of the melting furnace are electrically connected with the external control circuit, and analysis recording software is arranged in a control program in the external control circuit; step two: after the material is heated and melted in the melting furnace, clarified and the like, the glass liquid flows into the molten tin bath, relates to the technical field of glass substrate production, and solves the problems that the glass microscopic waviness value is difficult to control and the glass display imaging is easy to influence in the production process of the existing glass substrate.
Description
Technical Field
The invention relates to the technical field of glass substrate production, in particular to a method for reducing microscopic waviness formation in glass substrate production.
Background
Because the information display glass substrate is fine glass, the requirements on various internal properties and apparent properties of the glass are harsh, the threshold is higher, fine fluctuation exists on the surface of the glass, the fluctuation measurement standard is microscopic waviness, when the microscopic waviness does not reach the standard, the transparent electrode is not in contact, the image quality or touch control is affected, and meanwhile, the phenomenon of 'spareribs rainbow' is caused after liquid crystal is combined.
The micro waviness is difficult to control, the micro waviness is generated in the glass drawing process, the numerical value of the micro waviness is directly related to the drawing speed, the production thickness, the parameters of a edge drawing machine and the forming temperature system, and the lower the drawing speed is, the smaller the micro waviness value is, and the thicker the glass thickness is, the smaller the micro waviness value is, so that a method for reducing the numerical value of the micro waviness is needed to be systematically analyzed to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for reducing microscopic waviness formation in glass substrate production, which solves the problems that the value of the microscopic waviness of glass is difficult to control and glass display imaging is easy to influence in the production process of the existing glass substrate.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a method for reducing microscopic waviness formation in glass substrate production specifically comprises the following steps:
step one: firstly, a temperature sensor is arranged in a melting furnace of a glass production line, then a laser scanner is arranged at a forming section of the production line, a rotating speed sensor and a sensing control mechanism are arranged outside a tin liquid pool of the production line, simultaneously, the temperature sensor, the laser scanner and an electromagnet of the sensing control mechanism as well as the rotating speed sensor are electrically connected with an external control circuit, simultaneously, a feeding device and a temperature control device of the melting furnace are electrically connected with the external control circuit, and analysis recording software is arranged in a control program in the external control circuit;
step two: after the processes of heating, melting, clarifying and the like of the materials in the melting furnace, the glass liquid flows into a molten tin bath, a motor drives a drawing wheel to draw the glass liquid on the molten tin through a rotating rod, and then external recording analysis software records the amount of the materials, the temperature value and the rotating speed value of the drawing wheel during production;
step three: after the glass liquid in the tin liquid pool is drawn, the glass liquid enters the annealing kiln for cooling and forming, then a laser scanner scans the formed glass to record the thickness value of each part of the formed glass, the thickness value is formed into a heart rate ripple line, analysis and recording software forms a broken line analysis chart and analyzes according to the material quantity, the temperature value, the glass thickness value, the rotating speed of a drawing wheel and the pulling force value generated by drawing, then the material quantity, the temperature value, the drawing rotating speed and the pulling force are adjusted according to the relation between different conditions and glass microscopic ripples, so that the numerical value of the microscopic ripples is reduced, and meanwhile, the analysis result is recorded.
Preferably, the outside of tin liquid bath is provided with sensing mechanism, sensing mechanism includes the riser, the outside of riser is provided with draws the limit subassembly, the inner chamber has been seted up to the inside of riser, the inside swing joint of inner chamber has the slide, the outside of slide is provided with the linkage subassembly, the dovetail groove has been seted up to the surface of slide, the internal surface swing joint of dovetail groove has the trapezoidal plate, the internal surface fixedly connected with drum of inner chamber, the inside of drum runs through sliding connection has the connecting rod, the surface of connecting rod and the internal surface swing joint of inner chamber, the one end and the surface fixedly connected with of trapezoidal plate of connecting rod, the one end fixedly connected with magnetic plate of connecting rod, the internal surface fixedly connected with electro-magnet of drum, the electro-magnet is electrified to rise magnetism, the electro-magnet is connected with magnetic plate through magnetism, the inside embedding fixedly connected with spring bar of slide, the one end and the inner wall fixedly connected with of inner chamber of spring bar.
Preferably, the linkage assembly comprises a gear, the surface of gear is rotationally connected with the internal surface of inner chamber, the inside of gear runs through fixedly connected with pivot, the surface of pivot is rotationally connected with the internal surface of inner chamber, the both ends of pivot all are rotationally connected with the inner wall embedding of inner chamber, the surface meshing of gear has an upper rack, the surface of upper rack and the surface fixed connection of slide, the surface of upper rack and the internal surface swing joint of inner chamber, the surface of upper rack runs through sliding connection with the inside of riser.
Preferably, the outer surface meshing of gear has down the rack, the surface and the internal surface swing joint of inner chamber of rack down, the surface and the inside run through swing joint of riser of rack down, the surface fixedly connected with spacing of rack down, the surface and the internal surface swing joint of inner chamber of spacing, the surface fixedly connected with push rod of rack down, the surface of push rod is provided with connecting element.
Preferably, the connecting unit comprises a cutting sleeve, the outer surface of the cutting sleeve is fixedly connected with a connecting plate, a through connecting hole is formed in the connecting plate, and a bolt is movably connected to the inner surface of the connecting hole.
Preferably, the end of the bolt is movably connected with the outer surface of the connecting plate, the outer surface of the bolt is in threaded connection with a screw sleeve, the outer surface of the screw sleeve is movably connected with the outer surface of the connecting plate, and the outer surface of the screw sleeve is fixedly connected with one end of the push rod.
Preferably, the edge pulling assembly comprises a motor, a bracket is fixedly connected to the outer surface of the motor, the outer surface of the vertical plate is fixedly connected with the outer surface of the bracket, a sliding rheostat is fixedly connected to the outer surface of the bracket, the output end of the sliding rheostat is electrically connected with the input end of the motor, and the inner surface of the clamping sleeve is clamped with the outer surface of the movable end of the sliding rheostat.
Preferably, the output of motor passes through shaft coupling fixedly connected with bull stick, the outside of bull stick is provided with rotation speed sensor, rotation speed sensor's surface runs through fixed connection with the inside of support, the surface of bull stick runs through rotation with the inside of tin liquid bath and is connected, the one end fixedly connected with of bull stick draws the limit wheel, the surface that draws the limit wheel and the internal surface swing joint of tin liquid bath.
Advantageous effects
The invention provides a method for reducing microscopic waviness formation in glass substrate production. Compared with the prior art, the method has the following beneficial effects:
(1) Through setting up sensing control mechanism, after scanning glass thickness, form broken line analysis chart and "heart rate ripple diagram" according to the thickness value, and contrast out actual thickness value and the difference of predetermined thickness value in "heart rate ripple diagram", if the difference is not the condition of zero, control circuit control electromagnet circuit's electric current size, through magnetic force size change, trapezoidal plate is at the inside up-and-down motion of inner chamber, all can slide through trapezoidal slot extrusion slide, thereby form sensing control linkage, with control the edge pulling speed, thereby reduce the numerical value of microcosmic ripple degree, avoid influencing glass's demonstration formation of image.
(2) Through setting up the linkage subassembly, when the slide motion, through the connection between last rack, lower rack and the gear for synchronous motion can be followed to the push rod, thereby promotes slide rheostat expansion end motion, with the electric current of control motor circuit, reduces motor rotational speed, thereby reduces the numerical value of microscopic waviness.
(3) Through setting up the connection unit, be convenient for push rod and slide rheostat's connection, simultaneously because slide rheostat carries out the adjustment resistance according to actual production thickness, its active end is in the easy wearing and tearing state, has consequently been convenient for break away from again with slide rheostat's connection to the change of slide rheostat of being convenient for.
(4) Through setting up and drawing limit subassembly, the motor drives through the bull stick and draws limit wheel rotation to can draw the limit to glass liquid, thereby control glass's thickness, set up the slide rheostat simultaneously, through the rotational speed of control motor, steerable microcosmic waviness's numerical value, and rotational speed sensor can acquire the rotational speed numerical value of motor, so that the contrast analysis, thereby be favorable to systematic analysis to come out the method that reduces microcosmic waviness numerical value.
Drawings
FIG. 1 is a perspective view of an external structure of the present invention;
FIG. 2 is a cross-sectional view of the internal structure of the riser of the present invention;
FIG. 3 is a cross-sectional view of the internal structure of the cylinder of the present invention;
FIG. 4 is a split view of the outer structure of the skateboard of the present invention;
FIG. 5 is a split view of the outer structure of the push rod of the present invention.
In the figure: 1. a tin liquid pool; 2. a sensing control mechanism; 21. a riser; 22. edge pulling components; 221. a motor; 222. a bracket; 223. a slide rheostat; 224. a rotating rod; 225. a rotation speed sensor; 226. edge roller; 23. an inner cavity; 24. a slide plate; 25. a linkage assembly; 251. a gear; 252. a rotating shaft; 253. a rack is arranged; 254. a lower rack; 255. a limit bar; 256. a push rod; 257. a connection unit; 2571. a cutting sleeve; 2572. a connecting plate; 2573. a connecting hole; 2574. a bolt; 2575. a screw sleeve; 26. a trapezoid groove; 27. a trapezoidal plate; 28. a cylinder; 29. a connecting rod; 210. a magnetic plate; 211. an electromagnet; 212. a spring rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: a method of reducing microscopic waviness formation in glass substrate production:
embodiment one:
the method specifically comprises the following steps:
step one: firstly, a temperature sensor is arranged in a melting furnace of a glass production line, then a laser scanner is arranged at a forming section of the production line, a rotating speed sensor 225 and a sensing control mechanism 2 are arranged outside a tin liquid pool 1 of the production line, simultaneously, an electromagnet 211 and the rotating speed sensor 225 of the temperature sensor, the laser scanner and the sensing control mechanism 2 are electrically connected with an external control circuit, simultaneously, a feeding device and a temperature control device of the melting furnace are electrically connected with the external control circuit, and analysis recording software is arranged in a control program in the external control circuit;
step two: after the processes of heating, melting, clarifying and the like of the materials in the melting furnace, the glass liquid flows into the molten tin bath 1, the motor 221 drives the edge pulling wheel 226 to pull the glass liquid on the molten tin through the rotating rod 224, and then the external recording analysis software records the amount of the materials, the temperature value and the rotating speed value of the edge pulling wheel 226 during production;
step three: after the glass liquid in the tin liquid pool 1 is drawn, the glass liquid enters an annealing kiln for cooling and forming, a laser scanner scans the formed glass to record thickness values of all parts of the formed glass, the thickness values form heart rate ripple lines, analysis and recording software forms a broken line analysis chart and analyzes according to the material quantity including the material type, the temperature value, the glass thickness value, the rotating speed of a drawing wheel 226 and the pulling force value generated by drawing, and then adjusts the material quantity, the temperature value, the drawing rotating speed and the pulling force according to the relation between different conditions and glass microscopic ripples so as to reduce the numerical value of the microscopic ripples, and meanwhile, the analysis result is recorded.
Embodiment two:
referring to fig. 2, 3 and 4 of the specification on the basis of the first embodiment, a sensing control mechanism 2 is arranged outside the tin bath 1, the sensing control mechanism 2 comprises a vertical plate 21, a drawing edge component 22 is arranged outside the vertical plate 21, an inner cavity 23 is arranged inside the vertical plate 21, a sliding plate 24 is movably connected inside the inner cavity 23, the sliding plate 24 is made of a compression-resistant and wear-resistant material, a linkage component 25 is arranged outside the sliding plate 24, a trapezoid groove 26 is arranged on the outer surface of the sliding plate 24, a trapezoid plate 27 is movably connected with the inner surface of the trapezoid groove 26, the trapezoid plate 27 is made of a compression-resistant and wear-resistant material, a cylinder 28 is fixedly connected with the inner surface of the inner cavity 23, a connecting rod 29 is connected inside the cylinder 28 in a penetrating and sliding manner, the connecting rod 29 is made of a compression-resistant and wear-resistant material, the outer surface of the connecting rod 29 is movably connected with the inner surface of the inner cavity 23, one end of the connecting rod 29 is fixedly connected with the outer surface of the trapezoid plate 27, one end of the connecting rod 29 is fixedly connected with a magnetic plate 210, the magnetic plate 210 is made of a material which is resistant to compression and abrasion and has magnetism, the trapezoidal plate 27 can be limited to prevent connection dislocation, an electromagnet 211 is fixedly connected to the inner surface of the cylinder 28, the electromagnet 211 is electrically connected with an external control circuit, the electromagnet 211 is electrified to lift magnetism, the electromagnet 211 is connected with the magnetic plate 210 through magnetism, a spring rod 212 is fixedly connected to the inner embedded part of the sliding plate 24, the spring rod 212 is made of a material which is resistant to compression and fatigue, the sliding plate 24 is convenient to reset, one end of the spring rod 212 is fixedly connected with the inner wall of the inner cavity 23, a broken line analysis chart and a heart rate ripple chart are formed according to thickness values after glass thickness scanning, and differences between actual thickness values and preset thickness values are compared in the heart rate ripple chart, if the difference is not zero, the control circuit controls the current of the electromagnet 211 circuit, and the trapezoidal plate 27 moves up and down in the inner cavity 23 through the magnetic force change, and the trapezoidal plate 26 extrudes the sliding plate 24 to slide, so that sensing linkage is formed to control the edge pulling speed, thereby reducing the numerical value of microscopic waviness and avoiding affecting the display imaging of glass.
Embodiment III:
referring to fig. 2 and 5 of the second embodiment, the linkage assembly 25 includes a gear 251, the gear 251 is made of a compression-resistant and wear-resistant material, the outer surface of the gear 251 is rotationally connected with the inner surface of the inner cavity 23, a rotating shaft 252 is fixedly connected with the inner surface of the inner cavity 23 in a penetrating manner, the outer surface of the rotating shaft 252 is rotationally connected with the inner surface of the inner cavity 23, both ends of the rotating shaft 252 are embedded in and rotationally connected with the inner wall of the inner cavity 23, the outer surface of the gear 251 is meshed with an upper rack 253, the upper rack 253 is made of a compression-resistant and wear-resistant material, the position of the upper rack 253 is far away from the trapezoidal plate 27 by changing the bottom height of the sliding plate 24, so as to avoid interference to the descent of the trapezoidal plate 27, the outer surface of the upper rack 253 is fixedly connected with the outer surface of the sliding plate 24, the outer surface of the upper rack 253 is movably connected with the inner surface of the inner cavity 23, the outer surface of the upper rack 253 is meshed with the outer surface of the lower rack 254, the outer surface of the lower rack 254 is made of a compression-resistant and wear-resistant material, the outer surface of the lower rack 254 is movably connected with the inner surface of the inner cavity 23, the upper rack 255 is movably connected with the inner surface of the inner cavity 23 by a limit rod 255, the upper rack 255 is movably connected with the upper rack 255, and the lower rack 255 is movably connected with the inner surface of the upper rack 255 through the limit rod 255, the limit rod 255 is movably connected with the upper limit rod 255, so that the push rod 256 follows the synchronous motion, thereby pushing the movable end of the slide rheostat 223 to move so as to control the current of the circuit of the motor 221, reduce the rotating speed of the motor 221 and reduce the value of microscopic waviness.
Embodiment four:
referring to fig. 5 of the present disclosure on the basis of the third embodiment, the connection unit 257 includes a ferrule 2571, an outer surface of the ferrule 2571 is fixedly connected with a connection plate 2572, both the ferrule 2571 and the connection plate 2572 are made of compression-resistant and wear-resistant materials, a through connection hole 2573 is formed in the connection plate 2572, a bolt 2574 is movably connected to an inner surface of the connection hole 2573, an end portion of the bolt 2574 is movably connected to an outer surface of the connection plate 2572, a threaded sleeve 2575 is screwed to an outer surface of the bolt 2574, an outer surface of the threaded sleeve 2575 is movably connected to an outer surface of the connection plate 2572, an outer surface of the threaded sleeve 2575 is fixedly connected to one end of the push rod 256, and connection between the push rod 256 and the slide rheostat 223 is facilitated by setting the connection unit 257, and meanwhile, as the slide rheostat 223 is adjusted according to an actual production thickness, a movable end of the slide rheostat 223 is in an easy-wear state, connection with the slide rheostat 223 is facilitated, and replacement of the slide rheostat 223 is facilitated.
Fifth embodiment:
referring to fig. 1 and 5 of the drawings on the basis of the fourth embodiment, the edge pulling assembly 22 comprises a motor 221, the outer surface of the motor 221 is fixedly connected with a bracket 222, the outer surface of the vertical plate 21 is fixedly connected with the outer surface of the bracket 222, the outer surface of the bracket 222 is fixedly connected with a sliding rheostat 223, the input end of the sliding rheostat 223 is electrically connected with an external control circuit, the output end of the sliding rheostat 223 is electrically connected with the input end of the motor 221, the inner surface of a clamping sleeve 2571 is clamped with the outer surface of the movable end of the sliding rheostat 223, the output end of the motor 221 is fixedly connected with a rotating rod 224 through a coupler, the rotating rod 224 is made of a compression-resistant and wear-resistant material, the outer part of the rotating rod 224 is provided with a rotating speed sensor 225, the rotating speed sensor 225 is electrically connected with the external control circuit, the model that adopts is SZB-B-03, the surface of rotation speed sensor 225 runs through fixed connection with the inside of support 222, the surface of bull stick 224 runs through rotatable connection with the inside of tin liquid bath 1, the one end fixedly connected with of bull stick 224 draws limit wheel 226, draw the surface of limit wheel 226 and the internal surface swing joint of tin liquid bath 1, through setting up and drawing limit subassembly 22, motor 221 drives through bull stick 224 and draws limit wheel 226 rotation, thereby can draw the limit to glass liquid, thereby control glass's thickness, set up slide rheostat 223 simultaneously, through the rotational speed of control motor 221, can control the numerical value of microcosmic waviness, and rotation speed sensor 225 can acquire the rotational speed numerical value of motor 221, so that contrast analysis, thereby be favorable to systematic analysis to come out the method of reducing microcosmic waviness numerical value.
And all that is not described in detail in this specification is well known to those skilled in the art.
During the glass production process, when the glass is cooled and molded, the thickness value of the glass is obtained through the laser scanner, a line graph and a heart rate ripple graph can be formed through recorded values, the recorded values in the heart rate ripple graph are compared with the thickness value (in a straight line) of the preset glass, if the difference is negative or positive (under the condition of non-zero), the control circuit controls the current of the electromagnet 211 circuit through calculation, the larger the difference is, the larger the current value of the electromagnet 211 is increased or reduced, the magnetic force is changed due to the current change of the electromagnet 211, the trapezoidal plate 27 is lifted or lowered in the inner cavity 23, the sliding plate 24 is extruded through the trapezoidal groove 26 to move, so that the upper rack 253 moves along, the lower rack 254 moves along through connection among the upper rack 253, the gear 251 and the lower rack 254, the push rod 256 moves along through the clamping sleeve 2571, the resistance of the motor 221 is increased to reduce the rotating speed of the micro-glass, the micro ripple value is reduced, the obtained temperature value, the thickness value and the glass activity value are increased or reduced through the recording software, the microscopic ripple value is analyzed, the microscopic value is produced, and the microscopic ripple value is produced, and the microscopic value is analyzed and the microscopic value is directly analyzed and produced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A method for reducing microscopic waviness formation in glass substrate production, comprising: the method specifically comprises the following steps:
step one: firstly, a temperature sensor is arranged in a melting furnace of a glass production line, then a laser scanner is arranged at a forming section of the production line, a rotating speed sensor (225) and a sensing control mechanism (2) are arranged outside a molten tin bath (1) of the production line, meanwhile, an electromagnet (211) of the temperature sensor, the laser scanner and the sensing control mechanism (2) and the rotating speed sensor (225) are electrically connected with an external control circuit, meanwhile, a feeding device and a temperature control device of the melting furnace are electrically connected with the external control circuit, and analysis recording software is arranged in a control program in the external control circuit;
step two: after the processes of heating, melting, clarifying and the like of the materials in the melting furnace, the glass liquid flows into the molten tin bath (1), a motor (221) drives a drawing wheel (226) to draw the glass liquid on the molten tin through a rotating rod (224), and then external recording analysis software records the amount of the materials, the temperature value and the rotating speed value of the drawing wheel (226) during production;
step three: after the glass liquid in the tin liquid pool (1) is subjected to edge drawing, the glass liquid enters an annealing kiln for cooling and forming, then a laser scanner scans formed glass to record thickness values of all parts of the formed glass, the thickness values form heart rate ripple lines, analysis and recording software forms a broken line analysis chart and analyzes according to material quantity, material type, temperature values, glass thickness values, rotating speed of an edge drawing wheel (226) and tension values generated by edge drawing, and then adjusts the material quantity, the temperature values, the edge drawing rotating speed and the tension according to the relation between different conditions and glass microscopic ripples so as to reduce the numerical value of microscopic ripples, and meanwhile, the analysis result is recorded;
the outside of tin liquid bath (1) is provided with sensing mechanism (2), sensing mechanism (2) includes riser (21), the outside of riser (21) is provided with draws limit subassembly (22), inner chamber (23) have been seted up to the inside of riser (21), the inside swing joint of inner chamber (23) has slide (24), the outside of slide (24) is provided with linkage subassembly (25), trapezoidal groove (26) have been seted up to the surface of slide (24), the internal surface swing joint of trapezoidal groove (26) has trapezoidal plate (27), the internal surface fixedly connected with drum (28) of inner chamber (23), the inside run-through sliding connection of drum (28) has connecting rod (29), the surface of connecting rod (29) and the internal surface swing joint of inner chamber (23), the one end of connecting rod (29) and the surface fixed connection of trapezoidal plate (27), the one end fixedly connected with magnetic plate (210) of connecting rod (29), the internal surface fixed connection of drum (28) has electro-magnet (211), electro-magnet (211) and magnetic plate (212) are connected through the fixed connection of electric magnet (211), one end of the spring rod (212) is fixedly connected with the inner wall of the inner cavity (23).
2. A method of reducing microwaviness in glass substrate production according to claim 1, wherein: the linkage assembly (25) comprises a gear (251), the outer surface of the gear (251) is rotationally connected with the inner surface of the inner cavity (23), a rotating shaft (252) is fixedly connected in a penetrating mode in the gear (251), the outer surface of the rotating shaft (252) is rotationally connected with the inner surface of the inner cavity (23), two ends of the rotating shaft (252) are rotationally connected with the inner wall of the inner cavity (23) in an embedded mode, an upper rack (253) is meshed with the outer surface of the gear (251), the outer surface of the upper rack (253) is fixedly connected with the outer surface of the sliding plate (24), the outer surface of the upper rack (253) is movably connected with the inner surface of the inner cavity (23), and the outer surface of the upper rack (253) is in penetrating sliding connection with the inner portion of the vertical plate (21).
3. A method of reducing microwaviness in glass substrate production according to claim 2, wherein: the outer surface meshing of gear (251) has lower rack (254), the surface and the internal surface swing joint of inner chamber (23) of lower rack (254), the surface and the inside of riser (21) of lower rack (254) run through swing joint, the surface fixedly connected with spacing (255) of lower rack (254), the surface and the internal surface swing joint of inner chamber (23) of spacing (255), the surface fixedly connected with push rod (256) of lower rack (254), the surface of push rod (256) is provided with connecting element (257).
4. A method of reducing microwaviness in glass substrate production according to claim 3, wherein: the connecting unit (257) comprises a clamping sleeve (2571), a connecting plate (2572) is fixedly connected to the outer surface of the clamping sleeve (2571), a through connecting hole (2573) is formed in the connecting plate (2572), and a bolt (2574) is movably connected to the inner surface of the connecting hole (2573).
5. A method of reducing microwaviness in glass substrate production as defined in claim 4, wherein: the end of the bolt (2574) is movably connected with the outer surface of the connecting plate (2572), a threaded sleeve (2575) is connected to the outer surface of the bolt (2574) in a threaded mode, the outer surface of the threaded sleeve (2575) is movably connected with the outer surface of the connecting plate (2572), and the outer surface of the threaded sleeve (2575) is fixedly connected with one end of the push rod (256).
6. A method of reducing microwaviness in glass substrate production as defined in claim 4, wherein: the edge pulling assembly (22) comprises a motor (221), a bracket (222) is fixedly connected to the outer surface of the motor (221), the outer surface of the vertical plate (21) is fixedly connected with the outer surface of the bracket (222), a slide rheostat (223) is fixedly connected to the outer surface of the bracket (222), the output end of the slide rheostat (223) is electrically connected with the input end of the motor (221), and the inner surface of the clamping sleeve (2571) is clamped with the outer surface of the movable end of the slide rheostat (223).
7. A method of reducing microwaviness in glass substrate production as defined in claim 6, wherein: the output of motor (221) passes through shaft coupling fixedly connected with bull stick (224), the outside of bull stick (224) is provided with rotation speed sensor (225), the surface of rotation speed sensor (225) runs through fixed connection with the inside of support (222), the surface of bull stick (224) runs through the rotation with the inside of tin liquid bath (1) and is connected, the one end fixedly connected with of bull stick (224) draws limit wheel (226), the surface of drawing limit wheel (226) and the internal surface swing joint of tin liquid bath (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310107760.1A CN115947528B (en) | 2023-02-14 | 2023-02-14 | Method for reducing formation of microscopic waviness in glass substrate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| JP2000348330A (en) * | 1999-03-31 | 2000-12-15 | Hoya Corp | Substrate for information recording medium and its manufacture |
| CN113651530A (en) * | 2021-06-30 | 2021-11-16 | 漳州旗滨玻璃有限公司 | Preparation method of anti-seismic and anti-crushing ultrathin electronic glass |
| CN113880407A (en) * | 2021-11-09 | 2022-01-04 | 中国洛阳浮法玻璃集团有限责任公司 | Method for adjusting microscopic waviness of Na-Ca-Si system float glass |
| CN218290728U (en) * | 2022-10-28 | 2023-01-13 | 浦亚新材料科技启东有限公司 | Device for adjusting thickness for producing glass |
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| WO2002076675A1 (en) * | 2001-03-27 | 2002-10-03 | Nippon Sheet Glass Co., Ltd. | Substrate for information recording medium and production method thereof, information recording medium, and glass blank sheet |
| US7516628B2 (en) * | 2005-01-11 | 2009-04-14 | Corning Incorporated | On-line thickness gauge and method for measuring the thickness of a moving glass substrate |
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| JP2000348330A (en) * | 1999-03-31 | 2000-12-15 | Hoya Corp | Substrate for information recording medium and its manufacture |
| CN113651530A (en) * | 2021-06-30 | 2021-11-16 | 漳州旗滨玻璃有限公司 | Preparation method of anti-seismic and anti-crushing ultrathin electronic glass |
| CN113880407A (en) * | 2021-11-09 | 2022-01-04 | 中国洛阳浮法玻璃集团有限责任公司 | Method for adjusting microscopic waviness of Na-Ca-Si system float glass |
| CN218290728U (en) * | 2022-10-28 | 2023-01-13 | 浦亚新材料科技启东有限公司 | Device for adjusting thickness for producing glass |
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