CN115231809B - Glass melting down-draw machine and system thereof - Google Patents
Glass melting down-draw machine and system thereof Download PDFInfo
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- CN115231809B CN115231809B CN202210976322.4A CN202210976322A CN115231809B CN 115231809 B CN115231809 B CN 115231809B CN 202210976322 A CN202210976322 A CN 202210976322A CN 115231809 B CN115231809 B CN 115231809B
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- 239000011521 glass Substances 0.000 title claims abstract description 48
- 238000002844 melting Methods 0.000 title claims abstract description 21
- 230000008018 melting Effects 0.000 title claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 238000003280 down draw process Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000007496 glass forming Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000156 glass melt Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The application relates to the technical field of glass forming, and hasThe utility model relates to a glass melting drop-down machine and system thereof, through having seted up the air jet respectively at the upper and lower surface of casing, form the air wall in the side that the clearance was kept away from to the short roll, two sets of ball seats are still installed to the side that the casing is close to the short roll, and two sets of ball seats can keep away from or be close to the short roll and remove, install rotatable ball on the ball seat, the ball is contradicted with the short roll surface and is contacted, ball seat elastic mounting is in the casing, installs the distancer in the casing, and the distancer is used for measuring the distance parameter of ball seat and records, and the axial displacement of the high-pressure gas drive ball seat along the short roll in the air jet simultaneously, and x is regarded as to the position of a set of ball seat 1 ，x 2 The position of the other ball seat is denoted y 1 ，y 2 Comparison of x 1 ，x 2 Y 1 ，y 2 And determining the positional state between the two sets of stub rolls. The process is guaranteed to be carried out on the premise of accurate position of the short roller, so that the effect of the down-drawing process is improved, and the deformation of the glass substrate is reduced.
Description
Technical Field
The application relates to the technical field of glass fusion forming, in particular to a glass fusion down-draw machine and a system thereof.
Background
In the process of producing a glass product, a melting method is generally adopted, and a flux is melted in a high-temperature environment to dissolve an inorganic powder in a high-temperature solution, and the solution is cooled to form a glass body. In addition, the glass substrate is processed by clamping and pulling down the glass with guide rollers, thereby facilitating glass molding. The guide roller is kept stable in the process of pulling down, and the application number is as follows: the chinese patent application CN202011345445.5 provides a measuring device for the floating amount of a short roll in a substrate glass forming furnace, mainly by detecting the positions of the shaft seats at two ends of the short roll through a laser ranging sensor, thereby judging whether the positions of the short roll are deviated, and then by adjusting the lateral movement of the shaft seats, adjusting the gap between the short rolls.
However, the present inventors have found that the prior art has at least the following problems:
the deformation of the glass substrate is caused by not only unstable gaps between the short rolls, but also uneven vertical deviations of the positions of the short rolls and uneven temperature differences.
Disclosure of Invention
In view of the above, an object of the present application is to provide a glass melting and pulling machine and a system thereof, which solve the problems that the deformation of the glass substrate is caused by the uneven gap between the short rolls, and the vertical deviation of the positions of the short rolls and the uneven temperature difference.
In view of the above, the present application provides a glass melting down-drawing machine, including two sets of mounting seats, movably mounted on the mounting seats, a rotating shaft mounted between the two sets, a stub roller mounted on the rotating shaft, a clearance gap between the two sets of stub rollers, a housing disposed on one side of the stub roller away from the clearance gap, the two sets of housings symmetrically disposed along a center line of the clearance gap, air nozzles disposed on upper and lower surfaces of the housing, respectively, the air nozzles being flat, high pressure air ejected from the air nozzles, forming an air wall on one side of the stub roller away from the clearance gap, two sets of ball seats mounted on one side of the housing near the stub roller, the two sets of ball seats being movable away from or near the stub roller, the two sets of ball seats being mounted on the same vertical line, rotatable balls mounted on the ball seats, the balls abutting against the surface of the stub roller, the ball seats being elastically mounted in the housing, a distance meter mounted in the housing for measuring distance parameters of the ball seats and recording, while the high pressure air driving seats in the housings are moved along the axial direction of the balls of the stub roller, the position of the ball seats is recorded as x 1 ，x 2 The position of the other ball seat is denoted y 1 ，y 2 Comparison of x 1 ，x 2 Y 1 ，y 2 And determining the positional state between the two sets of stub rolls.
When using, there is the clearance of predetermineeing between two sets of short rolls, carry out the centre gripping pull down to glass substrate, blow into high-pressure gas in the casing, high-pressure gas is spouted from the jet, form the air wall, the influence of the outside temperature of separation to the substrate pull down of air wall can certain degree, the axial displacement of the ball seat along the short rolls is driven to high-pressure gas in the air jet simultaneously, the in-process is removed to the range finder measurement, can reduce the influence of temperature difference to glass shaping with the air wall, simultaneously wind-force drive ball seat removes, judge whether two sets of short rolls take place the skew according to the position parameter variation of ball seat, guarantee that the process goes on under the accurate prerequisite of short roll position, thereby promote the effect of pull down process, reduce glass substrate's deformation.
Alternatively, when x 1 ＝x 2 ＝y 1 ＝y 2 And x is 1 、x 2 、y 1 Y 2 If the size is kept unchanged, judging that the positions of the two groups of short rollers are not shifted, otherwise judging that the positions of the short rollers are shifted, specifically, when x is 1 ＞x 2 Determining the corresponding short roll position to be deflected downwards, if x 1 ＜x 2 Judging that the corresponding short roller position is biased upwards; if y 1 ＞y 2 Determining the downward deviation of the corresponding short roller position, if y 1 ＜y 2 Determining that the corresponding short roller is biased upwards, if x 1 、x 2 、y 1 Y 2 If the size of the short rollers is changed, judging that the short rollers deviate in the horizontal direction, and a signal lamp is arranged outside the shell, and when the positions of the two groups of short rollers are judged to be not deviated, the signal lamp lights a green lamp; otherwise, the red light is turned on.
Optionally, an air duct is formed in the shell, the air duct is fixedly installed in the air duct, an air outlet channel is formed in the guide plate, a sliding valve is sleeved on the guide plate, an air inlet channel is formed in the sliding valve, the air duct is communicated with the two groups of air nozzles, the sliding valve at least has 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 sliding valve is moved along the air duct under the action of high-pressure gas in the air duct, at the moment, the air duct is communicated with the air outlet duct, gas in the air duct is sprayed outwards along the two groups of air nozzles, the sliding valve is connected with two groups of connecting rods, the two groups of connecting rods are arranged symmetrically up and down on the sliding valve, the inner wall of the air duct is communicated with a sliding groove, the connecting rods extend out along the sliding groove, and the end parts of the connecting rods are elastically connected with the ball seat.
When the air duct is used, the sliding valve blocks the air duct when high-pressure air is not introduced into the air duct, when the high-pressure air is introduced into the air duct, the sliding valve is pushed by air, so that the air inlet duct is communicated with the air outlet duct, the high-pressure air is sprayed out of the air spraying port, and meanwhile, the sliding valve moves to drive the connecting rod to move, so that extrusion force is provided for the ball seat, and the balls are in abutting contact with the surface of the short roller.
Optionally, the casing has seted up the removal hole, the connecting rod is connected with the elastic seat, and the elastic seat adaptation is installed in the removal hole, set up the guiding hole on the elastic seat, install the guide post in the guiding hole, guide post week side cover is equipped with reset spring, reset spring both ends fixed connection elastic seat and ball seat respectively, the distancer is installed on the elastic seat.
Optionally, the connecting rod is connected with reciprocating screw, and the screw thread is installed on reciprocating screw and is moved the piece, and the movable block is connected with the spliced pole, fixed connection between spliced pole and the elastic seat that shows, fixed mounting has the impeller on the reciprocating screw, and the part of impeller is in the jet, and the high-pressure air flow in the jet promotes the impeller rotation.
Optionally, a velocimeter is installed on the side face of the reciprocating screw, and the velocimeter measures the moving speed of the moving block.
Optionally, the guide way has been seted up in the mount pad, install the regulation lead screw in the guide way, the adaptation is installed the lead screw slider on the regulation lead screw, and the lead screw slider adaptation is installed in the guide way, the guide way upwards UNICOM has the removal groove, and the lead screw slider is connected with the connecting plate, and the connecting plate is connected with, the regulation lead screw power is connected with driving motor, driving motor fixed mounting is on the mount pad.
A downdraw system for a glass melting downdraw machine, comprising:
the clamping module comprises two clamping units, wherein a preset gap is arranged between the two clamping units and is used for clamping the glass substrate;
the air wall generating module is used for manufacturing an air wall and shielding glass from outside air;
the detection module is used for detecting the accuracy of the preset gap of the clamping module; comprising the following steps:
the supporting units are respectively in supporting contact with the two clamping units; the two groups of abutting units are symmetrically arranged by taking the axis of the clamping unit as a symmetrical line, and the abutting contacts move along the axial direction of the clamping unit;
a distance measuring unit for detecting the position change of the contact point;
the data processing module receives the position condition of the abutting contact detected by the detecting unit and judges whether the preset gap is accurate according to the position condition of the abutting contact.
Optionally, the receiving the position condition of the contact detected by the detecting unit includes:
setting a standard origin, and measuring a measurement distance x between the contact point and the standard origin 1 、x 2 、y 1 Y 2 Wherein the measurement distance measured by two abutting contact points of one group of abutting units is x 1 、x 2 The measurement distance measured by the two abutting contact points of the other abutting unit is y 1 、y 2 。
Optionally, the determining whether the preset gap is accurate according to the position condition of the abutting contact includes:
when x is 1 ＝x 2 ＝y 1 ＝y 2 And x is 1 、x 2 、y 1 Y 2 If the size is kept unchanged, determining that the positions of the two clamping units are not shifted, otherwise determining that the positions of the clamping units are shifted, specifically, when x 1 ＞x 2 Determining the position of the corresponding clamping unit to be biased downwards, if x 1 ＜x 2 Judging that the corresponding clamping unit is biased upwards; if y 1 ＞y 2 Determining the downward deviation of the corresponding clamping unit position, if y 1 ＜y 2 Determining that the corresponding clamping unit is biased upwards, if x 1 、x 2 、y 1 Y 2 If the size of the clamp unit is changed, it is determined that the clamp unit is shifted in the horizontal direction
The application has the beneficial effects that: when using, there is the clearance of predetermineeing between two sets of short rolls, carry out the centre gripping pull down to glass substrate, blow into high-pressure gas in the casing, high-pressure gas is spouted from the jet, form the air wall, the influence of the outside temperature of separation to the substrate pull down of air wall can certain degree, the axial displacement of the ball seat along the short rolls is driven to high-pressure gas in the air jet simultaneously, the in-process is removed to the range finder measurement, can reduce the influence of temperature difference to glass shaping with the air wall, simultaneously wind-force drive ball seat removes, judge whether two sets of short rolls take place the skew according to the position parameter variation of ball seat, guarantee that the process goes on under the accurate prerequisite of short roll position, thereby promote the effect of pull down process, reduce glass substrate's deformation.
Drawings
In order to more clearly illustrate the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the application and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a glass melting downdraw machine according to an embodiment of the present application;
FIG. 2 is a schematic side view of a glass melting downdraw machine according to an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of a glass melting downdraw machine according to an embodiment of the present application;
FIG. 4 is a schematic partial view of a glass melting downdraw and system thereof according to an embodiment of the present application;
FIG. 5 is an enlarged schematic view of a portion A of FIG. 4;
FIG. 6 is a schematic cross-sectional view of a mounting base of a glass melting downdraw machine according to an embodiment of the present application.
Marked in the figure as:
101. a mounting base; 102. a shaft seat; 103. a moving groove; 104. a connecting plate; 105. a screw rod sliding block; 106. a guide groove; 107. a driving motor; 108. adjusting a screw rod; 201. a rotation shaft; 202. a short roller; 301. a housing; 302. an air duct; 303. a guide plate; 304. an air outlet channel; 305. a sliding 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. a connecting column; 314. an elastic seat; 315. a guide hole; 316. a guide post; 317. a return spring; 318. a ball seat; 319. a ball; 320. a range finder; 321. the hole is moved.
Detailed Description
The present application will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present application more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present application belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1 to 6, the embodiment of the present disclosure provides a glass melting down-drawing machine, which includes two sets of mounting seats 101, a shaft seat 102 is movably mounted on the mounting seats 101, a rotating shaft 201 is mounted between the two sets of shaft seats 102, a stub roll 202 is mounted on the rotating shaft 201, and a reserved gap is provided between the two sets of stub rolls 202; the side that the short roll 202 kept away from the reserved gap is equipped with casing 301, and two sets of casings 301 set up along the central line symmetry in reserved gap, air jet 307 has been seted up respectively to casing 301 upper and lower surface, and air jet 307 is the platykurtic, and high-pressure gas is spouted from air jet 307, forms the wind wall in the side that the short roll 202 kept away from reserved gap, two sets of ball seats 318 are still installed to the side that casing 301 is close to the short roll 202, and two sets of ball seats 318 can keep away from or be close to the short roll 202 and remove, and two sets of ball seats 318 are on same vertical line, install rotatable ball 319 on the ball seat 318, and ball 319 is contradicted with the short roll 202 surfaceThe ball seats 318 are elastically installed in the housing 301, a distance meter 320 is installed in the housing 301, the distance meter 320 is used for measuring and recording the distance parameters of the ball seats 318, meanwhile, the high-pressure gas in the gas nozzle 307 drives the ball seats 318 to move along the axial direction of the stub roller 202, and the position of a group of ball seats 318 is denoted as x 1 ，x 2 The position of the other set of ball sockets 318 is denoted y 1 ，y 2 Comparison of x 1 ，x 2 Y 1 ，y 2 Determining the positional state between the two sets of stub rolls 202, when x 1 ＝x 2 ＝y 1 ＝y 2 And x is 1 、x 2 、y 1 Y 2 The size remains unchanged, then the positions of the two groups of short rolls 202 are judged to be not deviated, otherwise, the positions of the short rolls 202 are judged to be deviated, in particular, when x is 1 ＞x 2 Determining the position of the corresponding stub roller 202 to be biased downwards, if x 1 ＜x 2 Determining that the corresponding stub roller 202 is positionally biased; if y 1 ＞y 2 Determining that the corresponding stub roll 202 is shifted downward, if y 1 ＜y 2 Then determine that the corresponding stub roll 202 is shifted upward, if x 1 、x 2 、y 1 Y 2 If the size of the short rolls 202 is changed, it is determined that the short rolls 202 are shifted in the horizontal direction, a signal lamp is further arranged outside the shell 301, and when it is determined that the positions of the two groups of short rolls 202 are not shifted, the signal lamp lights a green lamp; otherwise, the red light is turned on. 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 and is sprayed out from the air nozzle 307 to form an air wall, the air wall can block the influence of external temperature on the substrate pull down to a certain extent, meanwhile, the high-pressure gas in the air nozzle 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 sockets 318 is denoted y 1 ，y 2 Comparison of x 1 ，x 2 Y 1 ，y 2 Determining the positional state between the two sets of stub rolls 202, when x 1 ＝x 2 ＝y 1 ＝y 2 And x is 1 、x 2 、y 1 Y 2 If the size is kept unchanged, then the positions of the two groups of short rollers 202 are judged to be not deviated, otherwise, the positions of the short rollers 202 are judged to be deviated, in particular, when x is 1 ＞x 2 Determining the position of the corresponding stub roller 202 to be biased downwards, if x 1 ＜x 2 Determining that the corresponding stub roller 202 is positionally biased; if y 1 ＞y 2 Determining that the corresponding stub roll 202 is shifted downward, if y 1 ＜y 2 Then determine that the corresponding stub roll 202 is shifted upward, if x 1 、x 2 、y 1 Y 2 If the size of the short rolls 202 is changed, it is determined that the short rolls 202 are shifted in the horizontal direction, a signal lamp is further arranged outside the shell 301, and when it is determined that the positions of the two groups of short rolls 202 are not shifted, the signal lamp lights a green lamp, otherwise lights a red lamp; because the ball socket 318 moves along the axial direction of the stub roller 202 and the balls 319 are held against the stub roller 202, x is the distance meter 320 is shifted in the horizontal direction 1 、x 2 、y 1 Y 2 The size varies with time, if x 1 、x 2 、y 1 Y 2 Progressively larger, this indicates that the two sets of stub rolls 202 are progressively closer together, if x 1 、x 2 、y 1 Y 2 The gradual decrease indicates that the two sets of stub rolls 202 are gradually farther apart, if x 1 、x 2 Gradually become larger, y 1 Y 2 Taper or x 1 、x 2 Gradually become smaller, y 1 Y 2 The gradual increase indicates that the two groups of short rollers 202 are wholly offset anticlockwise or clockwise in the horizontal direction, so that the influence of temperature difference on glass molding can be reduced by using the wind wall, meanwhile, the ball seat 318 is driven by wind force to move, the position deflection condition of the two groups of short rollers 202 can be judged, and the process is ensured to be carried out under the premise that the positions of the short rollers 202 are accurate, thereby improving the effect of the down-drawing process and reducing the deformation of the glass substrate.
In some optional embodiments, as shown in fig. 1, fig. 4 and fig. 5, an air duct 302 is provided in the housing 301, a guide plate 303 is fixedly installed in the air duct 302, an air outlet channel 304 is provided on the guide plate 303, a sliding valve 305 is sleeved on the guide plate 303, an air inlet channel 306 is provided on the sliding valve 305, the air duct 302 is communicated with two groups of air nozzles 307, the sliding valve 305 has at least two states in the air duct 302, and in the first state, the sliding valve 305 blocks the air duct 302, so that the air duct 302 is not communicated with the air nozzles 307; in the second state, the sliding valve 305 is moved along the air channel 302 under the action of high pressure gas in the air channel 302, at this time, the air channel 306 is communicated with the air outlet channel 304, the gas in the air channel 302 is sprayed outwards along two groups of air nozzles 307, the sliding valve 305 is connected with two groups of connecting rods 308, the two groups of connecting rods 308 are symmetrically arranged up and down on the sliding valve 305, the inner wall of the air channel 302 is communicated with a sliding groove 309, the connecting rods 308 extend out along the sliding groove 309, and the end parts of the connecting rods 308 are elastically connected with the ball seats 318. When the air duct 302 is used, the sliding valve 305 blocks the air duct 302 when high-pressure air is not introduced into the air duct 302, when the high-pressure air is introduced into the air duct 302, the sliding valve 305 is pushed by 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 jet 307, and meanwhile, the sliding valve 305 moves to drive the connecting rod 308 to move, so that the ball seat 318 provides extrusion force, and the ball 319 is in abutting contact with the surface of the stub 202.
In some optional embodiments, as shown in fig. 1, fig. 4 and fig. 5, a moving hole 321 is formed in the housing 301, the connecting rod 308 is connected with an elastic seat 314, the elastic seat 314 is adapted to be installed in the moving hole 321, a guiding hole 315 is formed in the elastic seat 314, a guiding column 316 is installed in the guiding hole 315, a return spring 317 is sleeved on the peripheral side of the guiding column 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 range finder 320 is installed on the elastic seat 314. In use, the return spring 317 provides the ball seat 318 with a spring force such that the ball 319 abuts the stub roller 202.
In some alternative embodiments, as shown in fig. 1, 4 and 5, the connecting rod 308 is connected with a reciprocating screw 311, a moving block 310 is mounted on the reciprocating 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 an elastic seat 314, an impeller 312 is fixedly mounted on the reciprocating screw 311, a part of the impeller 312 is located in the air nozzle 307, and high-pressure air flow in the air nozzle 307 pushes the impeller 312 to rotate. In use, the impeller 312 is driven to rotate by the high pressure air flow in the air jet 307, the impeller 312 rotates to drive the reciprocating screw 311 to rotate, and the reciprocating screw 311 rotates to axially move the moving block 310 along the reciprocating screw 311, so that the balls 319 axially move along the stub roller 202.
In the next alternative embodiment, as shown in fig. 5, a velocimeter is mounted on the side of the reciprocating screw 311, and the velocimeter measures the moving speed of the moving block 310. When in use, the velocimeter measures the moving speed of the moving block 310, thereby judging the gas spraying speed in the gas spraying port 307 and ensuring the stability of the air wall.
In some alternative embodiments, as shown in fig. 6, a guide groove 106 is formed in the mounting seat 101, an adjusting screw 108 is installed in the guide groove 106, a screw slider 105 is installed on the adjusting screw 108 in an adapting manner, the screw slider 105 is installed in the guide groove 106 in an adapting manner, the guide groove 106 is communicated with a moving groove 103 upwards, the screw slider 105 is connected with a connecting plate 104, the connecting plate 104 is connected with a shaft seat 102, the adjusting screw 108 is in power connection with a driving motor 107, and the driving motor 107 is fixedly installed on the mounting seat 101. The drive motor 107 drives the adjusting screw 108 to rotate, so as to drive the screw slider 105 to move, thereby adjusting the distance between the two groups of short rollers 202.
The present specification also provides a glass melt downdraw system comprising:
the clamping module comprises two clamping units, wherein a preset gap is arranged between the two clamping units and is used for clamping the glass substrate;
the air wall generating module is used for manufacturing an air wall and shielding glass from outside air;
the detection module is used for detecting the accuracy of the preset gap of the clamping module; comprising the following steps:
the supporting units are respectively in supporting contact with the two clamping units; the two groups of abutting units are symmetrically arranged by taking the axis of the clamping unit as a symmetrical line, and the abutting contacts move along the axial direction of the clamping unit;
a distance measuring unit for detecting the position change of the contact point;
the data processing module receives the position condition of the abutting contact detected by the detecting unit and judges whether the preset gap is accurate according to the position condition of the abutting contact.
In some optional embodiments, the receiving detection unit detects a position of the contact point:
setting a standard origin, and measuring a measurement distance x between the contact point and the standard origin 1 、x 2 、y 1 Y 2 Wherein the measurement distance measured by two abutting contact points of one group of abutting units is x 1 、x 2 The measurement distance measured by the two abutting contact points of the other abutting unit is y 1 、y 2 。
In some optional specific embodiments, 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 is 1 、x 2 、y 1 Y 2 If the size is kept unchanged, determining that the positions of the two clamping units are not shifted, otherwise determining that the positions of the clamping units are shifted, specifically, when x 1 ＞x 2 Determining the position of the corresponding clamping unit to be biased downwards, if x 1 ＜x 2 Judging that the corresponding clamping unit is biased upwards; if y 1 ＞y 2 Determining the downward deviation of the corresponding clamping unit position, if y 1 ＜y 2 Determining that the corresponding clamping unit is biased upwards, if x 1 、x 2 、y 1 Y 2 If the magnitude of (a) is changed, it is determined that the clamping unit is shifted in the horizontal direction.
The working principle of the application is as follows: when in use, 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 and is sprayed out from the air nozzle 307 to form an air wall, and the air wall can block the outside to a certain extentThe temperature affects the substrate pull-down, while the high pressure gas in the gas jet 307 drives the ball seats 318 to move along the axial direction of the stub rolls 202, during which the distance meter 320 measures and records the position parameters of the corresponding ball seats 318, the position of a group of ball seats 318 is denoted as x 1 ，x 2 The position of the other set of ball sockets 318 is denoted y 1 ，y 2 Comparison of x 1 ，x 2 Y 1 ，y 2 Determining the positional state between the two sets of stub rolls 202, when x 1 ＝x 2 ＝y 1 ＝y 2 And x is 1 、x 2 、y 1 Y 2 If the size is kept unchanged, then the positions of the two groups of short rollers 202 are judged to be not deviated, otherwise, the positions of the short rollers 202 are judged to be deviated, in particular, when x is 1 ＞x 2 Determining the position of the corresponding stub roller 202 to be biased downwards, if x 1 ＜x 2 Determining that the corresponding stub roller 202 is positionally biased; if y 1 ＞y 2 Determining that the corresponding stub roll 202 is shifted downward, if y 1 ＜y 2 Then determine that the corresponding stub roll 202 is shifted upward, if x 1 、x 2 、y 1 Y 2 If the size of the short rolls 202 is changed, it is determined that the short rolls 202 are shifted in the horizontal direction, a signal lamp is further arranged outside the shell 301, and when it is determined that the positions of the two groups of short rolls 202 are not shifted, the signal lamp lights a green lamp, otherwise lights a red lamp; because the ball socket 318 moves along the axial direction of the stub roller 202 and the balls 319 are held against the stub roller 202, x is the distance meter 320 is shifted in the horizontal direction 1 、x 2 、y 1 Y 2 The size varies with time, if x 1 、x 2 、y 1 Y 2 Progressively larger, this indicates that the two sets of stub rolls 202 are progressively closer together, if x 1 、x 2 、y 1 Y 2 The gradual decrease indicates that the two sets of stub rolls 202 are gradually farther apart, if x 1 、x 2 Gradually become larger, y 1 Y 2 Taper or x 1 、x 2 Gradually become smaller, y 1 Y 2 Progressively larger, this indicates that the two sets of stub rolls 202 are offset in the horizontal direction, either counter-clockwise or clockwise, as a wholeNot only can reduce the influence of temperature difference to glass shaping with the wind wall, wind-force drive ball seat 318 removes simultaneously, can judge the position deflection condition of two sets of short rolls 202, guarantees that the process goes on under the accurate prerequisite in short roll 202 position to promote the effect of downdraw process, reduce glass substrate's deformation.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the application (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the application, the steps may be implemented in any order and there are many other variations of the different aspects of the application as described above, which are not provided in detail for the sake of brevity.
The present application is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present application should be included in the scope of the present application.
Claims (8)
1. The utility model provides a glass melting drop-down machine, includes two sets of mount pad (101), movably installs axle bed (102) on mount pad (101), installs rotation axis (201) between two sets of axle bed (102), installs short roll (202) on rotation axis (201), has reserved clearance between two sets of short rolls (202), characterized in that, short roll (202) keep away from one side of reserved clearance is equipped with casing (301), and two sets of casings (301) set up along the central line symmetry of reserved clearance, air jet (307) have been seted up respectively to casing (301) upper and lower surface, air jet (307) are flat, and high-pressure gas is spouted from air jet (307), forms the wind wall in one side that short roll (202) kept away from reserved clearance, casing (301) are still installed two sets of ball seats (318), and two sets of ball seats (318) can keep away from or be close to short roll (202) removal, and two sets of ball seats (318) are on same vertical line, install rotatable ball (319) on ball seat (318) along the central line symmetry of reserved clearance, and ball seat (318) are in contact with short roll (202) and ball seat (301) are in distance measuring instrument (320) surface-measuring instrument, and are used for recording the parameter in the casing (301) and are located in distance measuring instrument (301) surface measuring instrument (320), at the same time, high-pressure gas in the gas jet (307) drives the ball seats (318) to move along the axial direction of the short rollers (202), the positions of one group of ball seats (318) are marked as x1 and x 2, the positions of the other group of ball seats (318) are marked as y 1 and y 2, and the size relations of x1, x 2 and y 1 and y 2 are compared to determine the position state between the two groups of short rollers (202).
2. A glass melting down machine according to claim 1, characterized in that when x1=x2=y1=y2 and the sizes of x1, x 2, y 1 and y 2 remain unchanged, it is determined that the positions of the two sets of stub rolls (202) are not shifted, otherwise it is determined that the positions of the stub rolls (202) are shifted, in particular, when x1 > x 2, it is determined that the positions of their corresponding stub rolls (202) are shifted downwards, and if x1 < x 2, it is determined that the positions of their corresponding stub rolls (202) are shifted upwards; if y 1 is larger than y 2, determining that the corresponding short roller (202) is downward deviated, if y 1 is smaller than y 2, determining that the corresponding short roller (202) is upward deviated, and if the sizes of x1, x 2, y 1 and y 2 are changed, determining that the short roller (202) is deviated in the horizontal direction, wherein a signal lamp is further arranged outside the shell (301), and when the positions of the two groups of short rollers (202) are not deviated, the signal lamp lights a green light; otherwise, the red light is turned on.
3. The glass melting down-drawing machine according to claim 1, wherein an air duct (302) is formed in the shell (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 sliding valve (305) is sleeved on the guide plate (303), an air inlet channel (306) is formed in the sliding valve (305), the air duct (302) is communicated with two groups of air nozzles (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 nozzles (307); under the second state, the sliding valve (305) is acted by high-pressure gas of the air duct (302) to move along the air duct (302), at the moment, the air duct (306) is communicated with the air outlet duct (304), the gas in the air duct (302) is sprayed outwards along two groups of air nozzles (307), the sliding valve (305) is connected with two groups of connecting rods (308), the two groups of connecting rods (308) are symmetrically arranged on the sliding valve (305) up and down, 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 parts of the connecting rods (308) are elastically connected with the ball seats (318).
4. A glass melting downdraw machine according to claim 3, wherein a moving hole (321) is formed in the casing (301), the connecting rod (308) is connected with an elastic seat (314), the elastic seat (314) is adapted to be 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 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 range finder (320) is installed on the elastic seat (314).
5. A glass melting downdraw machine according to claim 3, wherein the connecting rod (308) is connected with a reciprocating screw (311), a moving block (310) is mounted on the reciprocating 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 mounted on the reciprocating screw (311), a part of the impeller (312) is positioned in the air nozzle (307), and high-pressure air flow in the air nozzle (307) pushes the impeller (312) to rotate.
6. A glass melting down-draw machine as defined in claim 5, wherein the reciprocating screw (311) is provided with a velocimeter on a side surface thereof, the velocimeter measuring a moving speed of the moving block (310).
7. The glass melting down-drawing machine according to claim 1, wherein the installation seat (101) is provided with a guide groove (106), an adjusting screw (108) is installed in the guide groove (106), a screw slider (105) is installed on the adjusting screw (108) in an adapting mode, the screw slider (105) is installed in the guide groove (106) in an adapting mode, the guide groove (106) is communicated with a moving groove (103) upwards, the screw slider (105) is connected with a connecting plate (104), the connecting plate (104) is connected with a shaft seat (102), the adjusting screw (108) is connected with a driving motor (107) in a power mode, and the driving motor (107) is fixedly installed on the installation 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, wherein a preset gap is arranged between the two clamping units and is used for clamping the glass substrate;
the air wall generating module is used for manufacturing an air wall and shielding glass from outside air;
the detection module is used for detecting the accuracy of the preset gap of the clamping module; comprising the following steps:
the supporting units are respectively in supporting contact with the two clamping units; the two groups of abutting units are symmetrically arranged by taking the axis of the clamping unit as a symmetrical line, and the abutting contacts move along the axial direction of the clamping unit;
a distance measuring unit for detecting the position change of the contact point;
the data processing module receives the position condition of the abutting contact detected by the detecting unit and judges whether the preset gap is accurate according to the position condition of the abutting contact.
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| CN202210976322.4A CN115231809B (en) | 2022-08-15 | 2022-08-15 | Glass melting down-draw machine and system thereof |
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| CN202210976322.4A CN115231809B (en) | 2022-08-15 | 2022-08-15 | Glass melting down-draw machine and system thereof |
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| EP2714600B1 (en) * | 2011-05-31 | 2015-08-05 | Corning Incorporated | Precision glass roll forming process and apparatus |
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| CN203582698U (en) * | 2013-10-30 | 2014-05-07 | 彩虹显示器件股份有限公司 | Device for manufacturing glass plate |
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| CN115231809A (en) | 2022-10-25 |
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