CN115231809A - Glass melting down-draw machine and system thereof - Google Patents
Glass melting down-draw machine and system thereof Download PDFInfo
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- CN115231809A CN115231809A CN202210976322.4A CN202210976322A CN115231809A CN 115231809 A CN115231809 A CN 115231809A CN 202210976322 A CN202210976322 A CN 202210976322A CN 115231809 A CN115231809 A CN 115231809A
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- 239000011521 glass Substances 0.000 title claims abstract description 52
- 238000002844 melting Methods 0.000 title claims abstract description 23
- 230000008018 melting Effects 0.000 title claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007496 glass forming Methods 0.000 abstract description 3
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000003280 down draw process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/06—Forming glass sheets
- C03B17/068—Means for providing the drawing force, e.g. traction or draw rollers
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention relates to the technical field of glass forming, in particular to a glass melting down-draw machine and a system thereof.A gas nozzle is respectively arranged on the upper surface and the lower surface of a shell, a wind wall is formed on one side of a short roller far away from a reserved gap, two groups of ball seats are also arranged on one side of the shell close to the short roller, the two groups of ball seats can move far away from or close to the short roller, rotatable balls are arranged on the ball seats, the balls are in contact with the surface of the short roller, the ball seats are elastically arranged in the shell, a distance measuring instrument is arranged in the shell and used for measuring and recording distance parameters of the ball seats, high-pressure gas in the gas nozzle drives the ball seats to move along the axial direction of the short roller, and the position of one group of ball seats is marked as x 1 ，x 2 The position of the other ball seat is denoted as y 1 ，y 2 Comparison of x 1 ，x 2 And y 1 ，y 2 The positional state between the two sets of short rollers is determined. The process is guaranteed to be carried out on the premise that the short roller is accurate in position, so that the effect of the pull-down process is improved, and the deformation of the glass substrate is reduced.
Description
Technical Field
The invention relates to the technical field of glass melting and forming, in particular to a glass melting down-draw machine and a system thereof.
Background
Glass products are generally produced by a melting method in which a flux is melted in a high-temperature environment to dissolve inorganic powder in a high-temperature solution, and a glass body is formed after cooling. In addition, in the processing of the glass substrate, the glass needs to be held and pulled down by a guide roller, thereby promoting the glass forming. The guide roller needs to be kept stable in the process of pulling down, and the application numbers are as follows: the Chinese patent application CN202011345445.5 provides a measuring device for the floating amount of a short roller in a substrate glass forming furnace, which mainly detects the positions of shaft seats at two ends of the short roller through a laser ranging sensor so as to judge whether the position of the short roller deviates, and then adjusts the gap between the short rollers by adjusting the transverse movement of the shaft seats.
However, the applicant has found that the prior art has at least the following problems:
the glass substrate is deformed not only because the gap between the short rolls is unstable but also because the glass substrate is deformed due to vertical deviation of the short rolls and uneven temperature difference.
Disclosure of Invention
In view of the above, the present invention is directed to a glass melting down-draw machine and a system thereof, which solve the problem that the glass substrate is deformed due to not only unstable gap between the short rolls but also uneven temperature difference and vertical deviation of the short rolls.
Based on the above purpose, the invention provides a glass melting down-drawing machine, which comprises two groups of mounting seats, wherein the mounting seats are movably mounted, a rotating shaft is mounted between the two groups of mounting seats, short rollers are mounted on the rotating shaft, a reserved gap is formed between the two groups of short rollers, a shell is arranged on one side, away from the reserved gap, of each short roller, the two groups of shells are symmetrically arranged along the central line of the reserved gap, air nozzles are respectively formed in the upper surface and the lower surface of each shell, the air nozzles are flat, high-pressure gas is ejected from the air nozzles, a wind wall is formed on one side, away from the reserved gap, of each short roller, two groups of ball seats are further mounted on one side, close to the short rollers, of each shell and can move away from or close to the short rollers, the two groups of ball seats are arranged on the same vertical line, rotatable balls are mounted on the ball seats, the balls are in contact with the surfaces of the short rollers in an abutting mode, the ball seats are elastically mounted in the shells, a distance measuring instrument is mounted in the shells and used for measuring and recording distance parameters of the ball seats, and simultaneously, the high-pressure gas in the air nozzles drives the ball seats to move along the axial direction of the short rollers, and the ball seats are marked as x 1 ，x 2 Position of the other ball seatNotation y 1 ，y 2 Comparison of x 1 ，x 2 And y 1 ，y 2 The positional state between the two sets of short rollers is determined.
When using, there is the clearance of predetermineeing between two sets of stub rolls, carry out the centre gripping drop-down to the glass substrate, rush into high-pressure gas in the casing, high-pressure gas spouts from the air jet, form the wind wall, the influence that the separation external temperature that the wind wall can the certain degree was drawn down to the substrate, high-pressure gas drive ball seat in the air jet is along the axial displacement of stub roll simultaneously, remove the in-process, the distancer measures and takes notes the position parameter of its ball seat that corresponds, can reduce the influence of temperature difference to glass shaping with the wind wall, simultaneously wind-force drive ball seat removes, whether the skew takes place according to the position parameter change judgement two sets of stub rolls of ball seat, guarantee the process goes on under the accurate prerequisite in stub roll position, thereby promote the effect of drop-down process, reduce the deformation of glass substrate.
Optionally, when x 1 ＝x 2 ＝y 1 ＝y 2 And x 1 、x 2 、y 1 And y 2 If the size is kept unchanged, judging that the positions of the two groups of short rollers are not deviated, otherwise, judging that the positions of the short rollers are deviated, specifically, when x is constant 1 ＞x 2 Then, the corresponding short roll position is judged to be deviated downwards, if x is 1 ＜x 2 Judging that the corresponding short roller is deviated upwards; if y 1 ＞y 2 Judging that the corresponding short roll position is deviated downwards, if y 1 ＜y 2 Then, the position of the corresponding short roller is judged to be deviated upward, if x is 1 、x 2 、y 1 And y 2 If the size of the short rollers is changed, the short rollers are judged to be deviated in the horizontal direction, signal lamps are further arranged outside the shell, and when the positions of the two groups of short rollers are judged not to be deviated, the signal lamps light green; otherwise, the red light is lighted.
Optionally, an air duct is formed in the housing, the air duct is fixedly installed in the air duct, an air outlet duct is formed in the guide plate, a sliding valve is sleeved on the guide plate, the air inlet duct is formed in the sliding valve, the air duct is communicated with the two groups of air nozzles, the sliding valve has at least two states in the air duct, and in the first state, the sliding valve blocks the air duct, so that the air duct is not communicated with the air nozzles; under the second state, the slide valve receives the effect of wind channel high-pressure gas to remove along the wind channel, and intake duct and gas outlet channel UNICOM this moment, the gas in the wind channel is outwards spout along two sets of air jets, the slide valve is connected with two sets of connecting rods, and two sets of connecting rods set up at the slide valve longitudinal symmetry, the inner wall UNICOM in wind channel has the sliding tray, and the connecting rod stretches out along the sliding tray, connecting rod tip with ball seat elastic connection.
When the ball bearing is used, the sliding valve blocks the air channel when high-pressure gas is not introduced into the air channel, and when the high-pressure gas is introduced into the air channel, the sliding valve is pushed by the gas, so that the air inlet channel is communicated with the air outlet channel, the high-pressure gas is sprayed out from the air spray port, and meanwhile, the sliding valve moves to drive the connecting rod to move, so that extrusion force is provided for the ball bearing seat, and the ball bearing is abutted against and contacted with the surface of the short roller.
Optionally, a movable hole is formed in the shell, the connecting rod is connected with an elastic seat, the elastic seat is installed in the movable hole in an adaptive mode, a guide hole is formed in the elastic seat, a guide post is installed in the guide hole, a reset spring is sleeved on the periphery of the guide post, the two ends of the reset spring are fixedly connected with the elastic seat and the ball seat respectively, and the distance measuring instrument is installed on the elastic seat.
Optionally, the connecting rod is connected with a reciprocating lead screw, a moving block is installed on the reciprocating lead screw in a threaded manner, the moving block is connected with a connecting column, the connecting column is fixedly connected with the elastic seat, an impeller is fixedly installed on the reciprocating lead screw, part of the impeller is located in the air jet, and high-pressure air flow in the air jet pushes the impeller to rotate.
Optionally, a velocimeter is installed on the side surface of the reciprocating screw rod, and the velocimeter measures the moving speed of the moving block.
Optionally, a guide groove is formed in the mounting seat, an adjusting lead screw is installed in the guide groove, a lead screw sliding block is installed on the adjusting lead screw in an adaptive mode, the lead screw sliding block is installed in the guide groove in an adaptive mode, the guide groove is communicated upwards to form a moving groove, the lead screw sliding block is connected with a connecting plate, the connecting plate is connected with the connecting plate, the adjusting lead screw is connected with a driving motor in a power mode, and the driving motor is fixedly installed on the mounting seat.
A down-draw system of a glass melting down-draw machine, comprising:
the clamping module comprises two clamping units, a preset gap is formed between the two clamping units, and the clamping module is used for clamping the glass substrate;
the air wall generation module is used for manufacturing an air wall, shielding glass and outside air;
the detection module is used for detecting the accuracy of the preset gap of the clamping module; the method comprises the following steps:
the abutting units are respectively abutted and contacted with the two clamping units; the two groups of abutting contact points are symmetrically arranged by taking the axis of the clamping unit as a symmetrical line, and the abutting contact points move along the axial direction of the clamping unit;
a distance measuring unit for detecting a position change of the abutting contact;
and the data processing module is used for receiving the position condition of the abutting contact detected by the detection unit and judging whether the preset gap is accurate or not according to the position condition of the abutting contact.
Optionally, the position condition of the abutting contact detected by the receiving and detecting unit includes:
setting a standard origin, and measuring the distance between the contact and the standard origin as x 1 、x 2 、y 1 And y 2 Wherein the measured distance measured by two holding contacts of one group of holding units is x 1 、x 2 The measured distance measured by two holding contacts of another set of holding units is y 1 、y 2 。
Optionally, the determining whether the preset gap is accurate according to the position of the abutting contact includes:
when x is 1 ＝x 2 ＝y 1 ＝y 2 And x 1 、x 2 、y 1 And y 2 When the size is kept unchanged, judging that the positions of the two clamping units are not deviated, otherwise, judging that the positions of the clamping units are deviated, specifically, when x is equal to x 1 ＞x 2 If x is greater than x, the position of the corresponding clamping unit is judged to be deviated downwards 1 ＜x 2 Judging that the corresponding clamping unit is deviated upwards; if y 1 ＞y 2 Judging that the corresponding clamping unit is deviated downwards, if y 1 ＜y 2 Then, the position of the corresponding clamping unit is judged to be deviated upwards, if x is 1 、x 2 、y 1 And y 2 When the magnitude of (2) is changed, it is judged that the clamping unit is shifted in the horizontal direction
The invention has the beneficial effects that: when using, there is the clearance of predetermineeing between two sets of stub rolls, carry out the centre gripping drop-down to the glass substrate, rush into high-pressure gas in the casing, high-pressure gas spouts from the air jet, form the wind wall, the influence that the separation external temperature that the wind wall can the certain degree was drawn down to the substrate, high-pressure gas drive ball seat in the air jet is along the axial displacement of stub roll simultaneously, remove the in-process, the distancer measures and takes notes the position parameter of its ball seat that corresponds, can reduce the influence of temperature difference to glass shaping with the wind wall, simultaneously wind-force drive ball seat removes, whether the skew takes place according to the position parameter change judgement two sets of stub rolls of ball seat, guarantee the process goes on under the accurate prerequisite in stub roll position, thereby promote the effect of drop-down process, reduce the deformation of glass substrate.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic view of a glass fusion downdraw machine according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a glass melting downdraw according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a glass melting downdraw according to an embodiment of the present invention;
FIG. 4 is a partial schematic view of a glass melting downdraw machine and system according to an embodiment of the present invention;
FIG. 5 is an enlarged partial view of portion A of FIG. 4;
FIG. 6 is a schematic cross-sectional view of a mount for a glass melting downdraw machine according to an embodiment of the present invention.
Labeled in the figure as:
101. a mounting seat; 102. a shaft seat; 103. a moving groove; 104. a connecting plate; 105. a lead screw slider; 106. a guide groove; 107. a drive motor; 108. adjusting the lead screw; 201. a rotating shaft; 202. a short roll; 301. a housing; 302. an air duct; 303. a guide plate; 304. an air outlet channel; 305. a slide valve; 306. an air inlet channel; 307. an air jet; 308. a connecting rod; 309. a sliding groove; 310. a moving block; 311. a reciprocating screw; 312. an impeller; 313. connecting columns; 314. an elastic seat; 315. a guide hole; 316. a guide post; 317. a return spring; 318. a ball seat; 319. a ball bearing; 320. a range finder; 321. the hole is moved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.
It is to be noted that technical terms or scientific terms used herein should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs, unless otherwise defined. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1 to 6, an embodiment of the present specification provides a glass melting down-draw machine, which includes two sets of mounting seats 101, wherein shaft seats 102 are movably mounted on the mounting seats 101, a rotating shaft 201 is mounted between the two sets of shaft seats 102, short rollers 202 are mounted on the rotating shaft 201, and a reserved gap is formed between the two sets of short rollers 202; one side that reserve clearance was kept away from to short roller 202 is equipped with casing 301, and two sets of casings 301 set up along the central line symmetry in reserving the clearance, jet 307 has been seted up respectively to casing 301 upper and lower surface, and jet 307 is the platykurtic, and high-pressure gas spouts from jet 307, forms the brattice in one side that reserve clearance was kept away from to short roller 202, casing 301 is close to one side of short roller 202 and still installs two sets of ball seat 318, and two sets of ball seat 318 can be kept away from or be close to short roller 202 and remove, and two sets of ball seat 318 are on same vertical line, install rotatable ball 319 on ball seat 318, and ball 319 and short roller 202 surface conflict contact, ball seat 318 elastic mounting is in casing 301, installs distancer 320 in the casing 301, and distancer 320 are used for measuring ball seat 318's distance parameter and record, and high-pressure gas drive ball seat 318 in the jet 307 simultaneously moves along the axial of short roller 202, and the position note of a set of ball seat 318 is as x 1 ，x 2 The position of the other set of ball seats 318 is denoted y 1 ，y 2 Comparison of x 1 ，x 2 And y 1 ，y 2 The positional state between the two sets of stub rollers 202 is determined when x is 1 ＝x 2 ＝y 1 ＝y 2 And x 1 、x 2 、y 1 And y 2 If the size is kept unchanged, the positions of the two groups of short rollers 202 are judged not to be deviated, otherwise, the positions of the short rollers 202 are judged to be deviated, and specifically, when x is kept unchanged, the position of the short rollers 202 is judged to be deviated 1 ＞x 2 Then, the position of the corresponding stub roll 202 is determined to be deviated downward, and if x is reached 1 ＜x 2 Judging that the corresponding short roller 202 is deviated upwards; if y 1 ＞y 2 Then, the position of the corresponding stub roll 202 is determined to be deviated downward, and if y is the case 1 ＜y 2 Then, the position of the corresponding stub roll 202 is determined to be deviated, and if x is determined to be deviated 1 、x 2 、y 1 And y 2 Is changed, it is determined that the short roller 202 is shifted in the horizontal direction,a signal lamp is arranged outside the shell 301, and when the positions of the two groups of short rollers 202 are not deviated, the signal lamp is turned on green; otherwise, the red light is lighted. When the glass substrate clamping device is used, a preset gap exists between two groups of short rollers 202, glass substrates are clamped and pulled down, high-pressure gas is injected into the shell 301 and is sprayed out of the air jet 307 to form a wind wall, the wind wall can be used for blocking the influence of the external temperature on the substrate pull down to a certain degree, meanwhile, the high-pressure gas in the air jet 307 drives the ball seat 318 to move along the axial direction of the short rollers 202, in the moving process, the distance meter 320 measures and records the position parameters of the corresponding ball seat 318, and the position of one group of ball seat 318 is marked as x 1 ，x 2 The position of the other set of ball seats 318 is denoted y 1 ，y 2 Comparison of x 1 ，x 2 And y 1 ，y 2 The position state between the two sets of short rollers 202 is determined when x is 1 ＝x 2 ＝y 1 ＝y 2 And x 1 、x 2 、y 1 And y 2 When the size is kept unchanged, judging that the positions of the two groups of short rollers 202 are not deviated, otherwise judging that the positions of the short rollers 202 are deviated, specifically, when x is 1 ＞x 2 Then, the position of the corresponding stub roll 202 is determined to be deviated downward, and if x is reached 1 ＜x 2 Judging that the corresponding short roller 202 is deviated upwards; if y 1 ＞y 2 Then, the position of the corresponding stub roll 202 is determined to be deviated downward, and if y is the case 1 ＜y 2 Then, it is judged that the corresponding short roll 202 is positioned at an upper position, and if x is 1 、x 2 、y 1 And y 2 If the size of the short rollers 202 is changed, the short rollers 202 are judged to be deviated in the horizontal direction, signal lamps are further arranged outside the shell 301, when the positions of the two groups of short rollers 202 are judged not to be deviated, the signal lamps light green, otherwise, the signal lamps light red; since the ball seat 318 moves along the axial direction of the stub roller 202 and the ball 319 abuts against the stub roller 202, x is a distance when the distance measuring device 320 is shifted in the horizontal direction 1 、x 2 、y 1 And y 2 The magnitude changes with time, if, x 1 、x 2 、y 1 And y 2 Gradually increasing indicates that the two sets of short rollers 202 are gradually approaching, if x 1 、x 2 、y 1 And y 2 The gradual decrease indicates that the two sets of short rollers 202 are gradually far away, if x 1 、x 2 Gradually becomes larger, y 1 And y 2 Taper down or x 1 、x 2 Gradually become smaller, y 1 And y 2 The grow gradually then indicates that two sets of stub rolls 202 are whole at the horizontal direction anticlockwise or clockwise skew, not only can reduce the fashioned influence of temperature difference to glass with the wind-break, and wind-force drive ball seat 318 removes simultaneously, can judge the position condition of deflecting of two sets of stub rolls 202, guarantees that the process goes on under the accurate prerequisite in stub roll 202 position to promote the effect of drop-down process, reduce the deformation of glass substrate.
In some optional embodiments, as shown in fig. 1, 4 and 5, an air duct 302 is formed in the housing 301, a guide plate 303 is fixedly installed in the air duct 302, an air outlet channel 304 is formed on the guide plate 303, a sliding valve 305 is sleeved on the guide plate 303, an air inlet channel 306 is formed on the sliding valve 305, the air duct 302 is communicated with two sets of air outlets 307, the sliding valve 305 has at least two states in the air duct 302, and in a first state, the sliding valve 305 blocks the air duct 302, so that the air duct 302 is not communicated with the air outlets 307; in a second state, the sliding valve 305 is moved along the air duct 302 under the action of high-pressure air in the air duct 302, at this time, the air duct 306 is communicated with the air outlet duct 304, air in the air duct 302 is ejected outwards along two sets of air ejection ports 307, the sliding valve 305 is connected with two sets of connecting rods 308, the two sets of connecting rods 308 are arranged on the sliding valve 305 in an up-and-down symmetrical manner, the inner wall of the air duct 302 is communicated with a sliding groove 309, the connecting rods 308 extend out along the sliding groove 309, and the end portions of the connecting rods 308 are elastically connected with the ball seats 318. When the high-pressure air is introduced into the air duct 302, the sliding valve 305 blocks the air duct 302, and when the high-pressure air is introduced into the air duct 302, the sliding valve 305 is pushed by the air, so that the air inlet channel 306 is communicated with the air outlet channel 304, the high-pressure air is ejected from the air ejection port 307, and meanwhile, the sliding valve 305 moves to drive the connecting rod 308 to move, so as to provide extrusion force for the ball seat 318, so that the ball 319 abuts against and contacts with the surface of the short roller 202.
In some optional embodiments, as shown in fig. 1, 4 and 5, a moving hole 321 is formed in the housing 301, the connecting rod 308 is connected to the elastic seat 314, the elastic seat 314 is fittingly installed in the moving hole 321, a guide hole 315 is formed in the elastic seat 314, a guide post 316 is installed in the guide hole 315, a return spring 317 is sleeved around the guide post 316, two ends of the return spring 317 are respectively and fixedly connected to the elastic seat 314 and the ball seat 318, and the distance meter 320 is installed on the elastic seat 314. In use, the return spring 317 provides a spring force to the ball seat 318, such that the ball 319 abuts against the stub roller 202.
In some alternative embodiments, as shown in fig. 1, 4 and 5, the connecting rod 308 is connected to a reciprocating lead screw 311, a moving block 310 is installed on the reciprocating lead screw 311 in a threaded manner, the moving block 310 is connected to a connecting column 313, the connecting column 313 is fixedly connected to the elastic seat 314, an impeller 312 is fixedly installed on the reciprocating lead screw 311, a part of the impeller 312 is located in the air outlet 307, and the impeller 312 is pushed to rotate by high-pressure air flow in the air outlet 307. When the roller pair is used, the impeller 312 is pushed to rotate by the high-pressure air flow in the air jet 307, the impeller 312 rotates to drive the reciprocating lead screw 311 to rotate, the reciprocating lead screw 311 rotates to enable the moving block 310 to move axially along the reciprocating lead screw 311, and therefore the balls 319 move axially along the short rollers 202.
In some alternative embodiments, as shown in fig. 5, a velocimeter is installed on the side of the reciprocating lead screw 311, and the velocimeter measures the moving speed of the moving block 310. When the air wall structure is used, the velocimeter measures the moving speed of the moving block 310, so that the gas ejection speed in the air jet 307 is judged, and the stability of the air wall is guaranteed.
In some optional specific embodiments, as shown in fig. 6, a guide groove 106 is formed in the mounting seat 101, an adjusting lead screw 108 is installed in the guide groove 106, a lead screw slider 105 is installed on the adjusting lead screw 108 in a matching manner, the lead screw slider 105 is installed in the guide groove 106 in a matching manner, the guide groove 106 is communicated upwards with a moving groove 103, the lead screw slider 105 is connected with a connecting plate 104, the connecting plate 104 is connected with a shaft seat 102, the adjusting lead screw 108 is connected with a driving motor 107 in a power manner, and the driving motor 107 is fixedly installed on the mounting seat 101. The adjusting screw 108 is driven by the driving motor 107 to rotate, so that the screw slider 105 is driven to move, and the distance between the two sets of short rollers 202 is adjusted.
The present specification also provides a glass melting downdraw system comprising:
the clamping module comprises two clamping units, and a preset gap is formed between the two clamping units and used for clamping the glass substrate;
the air wall generation module is used for manufacturing an air wall, shielding glass and outside air;
the detection module is used for detecting the accuracy of the preset gap of the clamping module; the method comprises the following steps:
the abutting units are respectively abutted and contacted with the two clamping units; the two groups of abutting contact points are symmetrically arranged by taking the axis of the clamping unit as a symmetrical line, and the abutting contact points move along the axial direction of the clamping unit;
a distance measuring unit for detecting a position change of the abutting contact;
and the data processing module is used for receiving the position condition of the abutting contact detected by the detection unit and judging whether the preset gap is accurate or not according to the position condition of the abutting contact.
In some optional specific embodiments, the receiving detection unit detects a position condition of the abutting contact:
setting a standard origin, and measuring the measurement distance between the contact point and the standard origin as x 1 、x 2 、y 1 And y 2 Wherein the measured distance measured by two holding contacts of one group of holding units is x 1 、x 2 The measured distance measured by two holding contacts of another set of holding units is y 1 、y 2 。
In some optional specific embodiments, the determining, according to the position of the abutting contact, whether the preset gap is accurate includes:
when x is 1 ＝x 2 ＝y 1 ＝y 2 And x 1 、x 2 、y 1 And y 2 When the size is kept unchanged, two clamping sheets are judgedThe position of the element is not shifted, otherwise, the position of the clamping unit is determined to be shifted, specifically, when x 1 ＞x 2 If x is greater than x, the position of the corresponding clamping unit is judged to be deviated downwards 1 ＜x 2 Judging that the corresponding clamping unit is deviated upwards; if y 1 ＞y 2 Judging that the corresponding clamping unit is deviated downwards, if y 1 ＜y 2 Then, the position of the corresponding clamping unit is judged to be deviated upwards, if x is 1 、x 2 、y 1 And y 2 If the magnitude of (2) is changed, it is judged that the holding unit is shifted in the horizontal direction.
The working principle of the invention is as follows: when the device is used, a preset gap exists between the two groups of short rollers 202, the glass substrate is clamped and pulled down, high-pressure gas is injected into the shell 301, the high-pressure gas is sprayed out of the air jet 307 to form a wind wall, the wind wall can prevent the influence of external temperature on the substrate pulling down to a certain degree, meanwhile, the high-pressure gas in the air jet 307 drives the ball seat 318 to move along the axial direction of the short rollers 202, in the moving process, the distance meter 320 measures and records the position parameters of the corresponding ball seat 318, and the position of one group of ball seats 318 is marked as x 1 ，x 2 The position of the other set of ball seats 318 is denoted y 1 ，y 2 Comparison of x 1 ，x 2 And y 1 ，y 2 The position state between the two sets of short rollers 202 is determined when x is 1 ＝x 2 ＝y 1 ＝y 2 And x 1 、x 2 、y 1 And y 2 When the size is kept unchanged, judging that the positions of the two groups of short rollers 202 are not deviated, otherwise judging that the positions of the short rollers 202 are deviated, specifically, when x is 1 ＞x 2 Then, the position of the corresponding stub roll 202 is determined to be deviated downward, and if x is reached 1 ＜x 2 Judging that the corresponding short roller 202 is deviated upwards; if y 1 ＞y 2 Then, the position of the corresponding stub roll 202 is determined to be deviated downward, and if y is the case 1 ＜y 2 Then, the position of the corresponding stub roll 202 is determined to be deviated, and if x is determined to be deviated 1 、x 2 、y 1 And y 2 When the size of the short roller 202 is changed, it is judged that the short roller 202 is deviated in the horizontal direction, and a message is further provided outside the housing 301A signal lamp, wherein when the positions of the two groups of short rollers 202 are not deviated, the signal lamp is turned on in green, otherwise, the signal lamp is turned on in red; since the ball seat 318 moves along the axial direction of the stub roller 202 and the ball 319 abuts against the stub roller 202, x is the distance when the distance measuring device 320 is shifted in the horizontal direction 1 、x 2 、y 1 And y 2 The magnitude changes with time, if, x 1 、x 2 、y 1 And y 2 Gradually increasing indicates that the two sets of short rollers 202 are gradually approaching, if x 1 、x 2 、y 1 And y 2 A gradual decrease indicates that the two sets of short rollers 202 are gradually farther away, if x 1 、x 2 Gradually becomes larger, y 1 And y 2 Taper down or x 1 、x 2 Gradually becoming smaller, y 1 And y 2 The grow gradually then indicates that two sets of stub rolls 202 are whole at the horizontal direction anticlockwise or clockwise skew, not only can reduce the fashioned influence of temperature difference to glass with the wind-break, and wind-force drive ball seat 318 removes simultaneously, can judge the position condition of deflecting of two sets of stub rolls 202, guarantees that the process goes on under the accurate prerequisite in stub roll 202 position to promote the effect of drop-down process, reduce the deformation of glass substrate.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to those examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A glass melting down-draw machine comprises two groups of mounting seats(101) The device is characterized in that one side of the short roller (202) far away from the reserved gap is provided with a shell (301), the two groups of shells (301) are symmetrically arranged along the center line of the reserved gap, the upper surface and the lower surface of the shell (301) are respectively provided with an air nozzle (307), the air nozzle (307) is flat, high-pressure gas is sprayed out from the air nozzle (307), one side of the short roller (202) far away from the reserved gap forms a wind wall, one side of the shell (301) near the short roller (202) is also provided with two groups of ball seats (318), the two groups of ball seats (318) can be far away from or close to the short roller (202) to move, the two groups of ball seats (318) are on the same vertical line, rotatable balls (319) are arranged on the ball seats (318), the balls (319) are in contact with the surface of the short roller (202), the two groups of ball seats (318) can be far away from or close to the short roller (202) to move, the two groups of ball seats (318) are arranged in the elastic roller seat (301), the shell (301), the distance measuring instrument is arranged in the axial direction of the shell (320) and measures the distance of the distance measuring instrument (320), the position of a set of ball seats (318) is denoted x 1 ，x 2 The position of the other set of ball seats (318) is denoted y 1 ，y 2 Comparison of x 1 ，x 2 And y 1 ，y 2 Determines the position state between the two sets of short rollers (202).
2. A glass melting down-draw machine according to claim 1, wherein x is 1 ＝x 2 ＝y 1 ＝y 2 And x 1 、x 2 、y 1 And y 2 If the size is kept unchanged, the positions of the two groups of short rollers (202) are judged not to be deviated, otherwise, the positions of the short rollers (202) are judged to be deviated, specifically, when x is constant 1 ＞x 2 If x is greater than x, the position of the corresponding stub roll (202) is determined to be deviated downward 1 ＜x 2 Judging that the corresponding short roller (202) is deviated upwards; if y 1 ＞y 2 If y is the case, the position of the corresponding stub roll (202) is judged to be deviated downward 1 ＜y 2 Then the position of the corresponding short roller (202) is determinedUpward bias, if x 1 、x 2 、y 1 And y 2 When the size of the short rollers (202) is changed, the short rollers (202) are judged to be deviated in the horizontal direction, signal lamps are further arranged outside the shell (301), and when the positions of the two groups of short rollers (202) are judged not to be deviated, the signal lamps are turned on; otherwise, the red light is turned on.
3. The glass melting down-draw machine according to claim 1, wherein an air duct (302) is formed in the housing (301), a guide plate (303) is fixedly installed in the air duct (302), an air outlet channel (304) is formed in the guide plate (303), a slide valve (305) is sleeved on the guide plate (303), an air inlet channel (306) is formed in the slide valve (305), the air duct (302) is communicated with two groups of air nozzles (307), the slide valve (305) has at least two states in the air duct (302), and in a first state, the slide valve (305) blocks the air duct (302) so that the air duct (302) is not communicated with the air nozzles (307); under the second state, slide valve (305) receive wind channel (302) high-pressure gas to act on and remove along wind channel (302), and wind channel (306) and gas outlet (304) UNICOM this moment, the gas in wind channel (302) outwards spouts along two sets of fumaroles (307), slide valve (305) are connected with two sets of connecting rods (308), and two sets of connecting rods (308) set up at slide valve (305) longitudinal symmetry, the inner wall UNICOM in wind channel (302) has sliding tray (309), and connecting rod (308) stretch out along sliding tray (309), connecting rod (308) tip with ball seat (318) elastic connection.
4. The glass melting down-draw machine according to claim 3, characterized in that a moving hole (321) is formed in the shell (301), the connecting rod (308) is connected with an elastic seat (314), the elastic seat (314) is installed in the moving hole (321) in a matching manner, a guide hole (315) is formed in the elastic seat (314), a guide post (316) is installed in the guide hole (315), a return spring (317) is sleeved on the periphery of the guide post (316), two ends of the return spring (317) are respectively and fixedly connected with the elastic seat (314) and the ball seat (318), and the distance meter (320) is installed on the elastic seat (314).
5. The glass melting downdraw machine according to claim 3, wherein the connecting rod (308) is connected with a reciprocating lead screw (311), a moving block (310) is installed on the reciprocating lead screw (311) in a threaded manner, the moving block (310) is connected with a connecting column (313), the connecting column (313) is fixedly connected with the elastic seat (314), an impeller (312) is fixedly installed on the reciprocating lead screw (311), a part of the impeller (312) is located in the gas injection port (307), and the impeller (312) is pushed to rotate by high-pressure gas flow in the gas injection port (307).
6. A glass melting down-draw machine according to claim 5, characterized in that a velocimeter is mounted to the side of the reciprocating screw (311), which velocimeter measures the speed of movement of the moving block (310).
7. The glass melting down-draw machine according to claim 1, characterized in that a guide groove (106) is formed in the mounting seat (101), an adjusting lead screw (108) is installed in the guide groove (106), a lead screw sliding block (105) is installed on the adjusting lead screw (108) in a matching mode, the lead screw sliding block (105) is installed in the guide groove (106) in a matching mode, the guide groove (106) is communicated with a moving groove (103) upwards, the lead screw sliding block (105) is connected with a connecting plate (104), the connecting plate (104) is connected with a driving motor (102), the adjusting lead screw (108) is connected with a driving motor (107) in a power mode, and the driving motor (107) is fixedly installed on the mounting seat (101).
8. The downdraw system of a glass melting downdraw machine of any of claims 1-7, comprising:
the clamping module comprises two clamping units, and a preset gap is formed between the two clamping units and used for clamping the glass substrate;
the air wall generation module is used for manufacturing an air wall, shielding glass and outside air;
the detection module is used for detecting the accuracy of the preset gap of the clamping module; the method comprises the following steps:
the abutting units are respectively abutted and contacted with the two clamping units; the clamping unit is provided with a plurality of clamping units, each clamping unit is provided with a plurality of groups of abutting contact points, each group of abutting contact points are symmetrically arranged by taking the axis of the clamping unit as a symmetrical line, and the abutting contact points move along the axial direction of the clamping unit;
a distance measuring unit for detecting a position change of the abutting contact;
and the data processing module is used for receiving the position condition of the abutting contact detected by the detection unit and judging whether the preset gap is accurate or not according to the position condition of the abutting contact.
9. The glass fusion downdraw system of claim 8, wherein the receiving detection unit detects a position of the abutting contacts comprising:
setting a standard origin, and measuring the measurement distance between the contact point and the standard origin as x 1 、x 2 、y 1 And y 2 Wherein the measured distance measured by two holding contacts of one group of holding units is x 1 、x 2 The measured distance measured by the two holding contacts of the other set of holding units is y 1 、y 2 。
10. A glass fusion down-draw system in accordance with claim 9, wherein said determining whether the predetermined gap is accurate based on the position of the point of contact comprises:
when x is 1 ＝x 2 ＝y 1 ＝y 2 And x 1 、x 2 、y 1 And y 2 When the size is kept unchanged, judging that the positions of the two clamping units are not deviated, otherwise, judging that the positions of the clamping units are deviated, specifically, when x is equal to x 1 ＞x 2 If x is greater than x, the position of the corresponding clamping unit is judged to be deviated downwards 1 ＜x 2 Judging that the corresponding clamping unit is deviated upwards; if y 1 ＞y 2 Then the corresponding clamping unit is judged to be deviated downwards, if y 1 ＜y 2 Then, the position of the corresponding clamping unit is judged to be deviated upwards, if x is 1 、x 2 、y 1 And y 2 If the magnitude of (2) is changed, it is determined that the clamping unit is shifted in the horizontal direction.
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| CN113880405A (en) * | 2021-09-24 | 2022-01-04 | 彩虹（合肥）液晶玻璃有限公司 | Self-correcting traction roller structure for liquid crystal substrate glass forming |
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| US20120304695A1 (en) * | 2011-05-31 | 2012-12-06 | Alexander Lakota | Precision glass roll forming process and apparatus |
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