CN206127108U - Overflow method glass production line and automatic control system thereof - Google Patents
Overflow method glass production line and automatic control system thereof Download PDFInfo
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- CN206127108U CN206127108U CN201620527129.2U CN201620527129U CN206127108U CN 206127108 U CN206127108 U CN 206127108U CN 201620527129 U CN201620527129 U CN 201620527129U CN 206127108 U CN206127108 U CN 206127108U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses an overflow method glass production line and automatic control system thereof, wherein automatic control system includes: a glass data detection mechanism for obtaining data, a data analysis module for data analysis, a parameter correction module for parameter adjustment, the parameter correction module is according to detect and analysis gained data are adjusted the relevant parameter of glass production system in real time. The utility model discloses the degree of automation of overflow method glass production can be improved, and then the glass quality is improved.
Description
Technical field
This utility model is related to press over system field of glass production technology, more particularly to a kind of press over system glass production line and its
Automatic control system.
Background technology
Press over system glass producing system is a kind of advanced glass producing system, is particularly suited for the scale of glass substrate
Production.Requirement of the glass substrate to thickness is more sensitive, and high to the quality stability requirement of bulk article.
Current press over system glass production control system is open-loop control system：Regulation and control of the glass in channel heating system
Under, flow out from passage, and keep the relatively stable of flow.The glass flowed out from passage enters forming area, and passes sequentially through
The Muffle furnace of forming area, forming furnace and annealing furnace, when glass flows out Muffle furnace, edge machine clamping glass both sides are keeping glass
It is stable to launch.Glass is flowed out after forming furnace, and carry-over pinch rolls are drawn to control the thickness of glass to glass.Glass flows out annealing furnace
Afterwards, into semi-finished product machining area, by severing of glass, robot is by the breaking off glass after cutting and is transferred to follow-up work for transverse cutting unit
Packed position.The partial quality indexs such as the thickness of glass, thickness slope and flow need to again feed back to life after off-line measurement
In producing line, by production-line technique controllers according to additional technique adjustment after offline metrology data interpretation；Although or part index number
With on-line measurement, but the production-line technique controllers of each operation can be needed to carry out real-time interpretation.Due to aforementioned each operation operator
Member to subsequent work stations institute feedack by carrying out after subjective judgment, then carries out technique contrast, and is entered according to sentence read result
Row technique adjustment, causes technique adjustment to there is hysteresis quality, while being affected larger by the subjectivity of technologist.
Utility model content
In view of this, this utility model embodiment provides a kind of automatic control system of press over system glass production, main mesh
Be improve press over system glass production automaticity, and then improve glass quality.
To reach above-mentioned purpose, this utility model mainly provides following technical scheme：
On the one hand, this utility model embodiment provides a kind of automatic control system of press over system glass production, including：
Glass data testing agency, online glass speed, glass plate length, the glass non-streaming of obtaining is to thickness and glass weight
Related data；
Data analysis module, the real time data to obtaining carries out on-line analyses, obtains plate weight statistical value, plate and changes again tiltedly
Rate, flow value, thickness slope value and thickness average value；
Parameters revision module, is adjusted in real time according to detecting and analyzing the data obtained to the relevant parameter of glass producing system
It is whole.
Preferably, the parameters revision module is according to the glass speed for obtaining, real-time adjustment transverse cutting unit and robot
Downlink component and glass speed sync.
Preferably, the parameters revision module is according to glass plate length and the difference of the long standard value of plate, adjustment transverse cutting unit starts
Time deviation, it is ensured that glass plate length is within error tolerance band.
Preferably, the parameters revision module changes slope and flow value adjustment traction according to plate weight statistical value, plate again
Roller rotating speed, to ensure glass average thickness in tolerance band.
Preferably, the parameters revision module turns according to the relation adjustment carry-over pinch rolls of thickness average value and theoretic throat value
Speed, to ensure glass average thickness in tolerance band.
Preferably, the parameters revision module adjusts Muffle furnace heater output work according to the variable quantity of thickness slope
Rate, to ensure the thickness slope stability of glass.
Preferably, the parameters revision module changes slope and flow value adjustment passage according to plate weight statistical value, plate again
Heating system power, to ensure the stability of flow.
Preferably, the glass data testing agency include glass tachometric survey mechanism, thickness of glass testing agency and
Glass weight weighing mechanism, wherein
Glass tachometric survey mechanism, the speed of service of the glass flowed out to self annealing stove carries out real-time detection, obtains glass
Speed, and the glass plate after further being cut is long；
Thickness of glass testing agency, detects to the non-streaming of glass to thickness；
Glass weight weighing mechanism, obtains the weight of the glass after cutting；
The data analysis module includes plate signal analysis module and Thickness Analysis module again, wherein
Plate signal analysis module again, receives the glass weight data of glass weight measuring mechanism Real-time Feedback, to working as header board
Weight and history plate weight, theoretical plate carry out statistical analysiss again, and output board weight statistical value, plate change slope and flow value again；
Thickness Analysis module, receives the glass non-streaming of thickness of glass measuring mechanism Real-time Feedback to thickness data, to real-time
Thickness data carries out statistical analysiss, output thickness slope value and thickness average value；
The parameters revision module includes transverse cutting unit, robot speed's tracking module, hauling speed correcting module, Muffle furnace
Heating power correcting module and passage heating correcting module, wherein
Transverse cutting unit, robot speed's tracking module, receive the real-time speed of the glass that glass tachometric survey mechanism provides, and
Real-time speed is delivered to respectively crosscutting machine servo system and robot servo's system, so as to control transverse cutting unit and robot under
Row component and glass speed sync, according to glass plate length and the difference of the long standard value of plate, send adjustment horizontal to crosscutting machine servo system
Cut the instruction of machine starting time, it is ensured that glass plate length is within error tolerance band；
Hauling speed correcting module, plate weight statistical value, the plate of analysis plates signal analysis module output again change again slope and
Flow value, so as to send speedup or deceleration instruction to carry-over pinch rolls servosystem, adjusts carry-over pinch rolls rotating speed, to ensure that glass is averagely thick
Degree is in tolerance band；The thickness average value of analysis Thickness Analysis module output, according to thickness average value and theoretic throat value
Relation, to carry-over pinch rolls servosystem speedup or deceleration instruction are sent, and adjust carry-over pinch rolls rotating speed, to ensure that glass average thickness is being permitted
Can be in scope；
Muffle furnace heating power correcting module, according to the variable quantity of the thickness slope of Thickness Analysis module output, to Muffle
Stove heat device output adjust instruction, to ensure the thickness slope stability of glass；
Passage heats correcting module, plate weight statistical value, the plate of analysis plates signal analysis module output again change again slope and
Flow value, according to the variable quantity of flow value, to channel heating system output adjust instruction, by adjusting channel heating system
Power, to ensure the stability of flow；
The automatic control system also includes self feed back primary module, the automatic feedback module control parameter correcting module
Data is activation, reception and storage.
Preferably, the hauling speed correcting module includes that the first hauling speed correcting module and the second hauling speed are repaiied
Positive module, again the plate weight statistical value of signal analysis module output, plate change the first hauling speed correcting module analysis plates again
Slope and flow value, so as to send speedup or deceleration instruction to carry-over pinch rolls servosystem, adjust carry-over pinch rolls rotating speed, to ensure glass
Glass average thickness is in tolerance band；The thickness of the second hauling speed correcting module analysis Thickness Analysis module output is average
Value, according to thickness average value and the relation of theoretic throat value, to carry-over pinch rolls servosystem speedup or deceleration instruction is sent, and adjustment is led
Pick-up roll rotating speed, to ensure glass average thickness in tolerance band.
Preferably, the parameters revision module is PLC.
Preferably, the glass tachometric survey mechanism be laser light curtain formula measuring mechanism, ultrasonic locating measuring mechanism,
CCD takes (take the photograph) picture matching measurement mechanism, mechanical displacement sensor measuring mechanism or LVDT displacement sensors mechanism.
Preferably, the glass tachometric survey mechanism includes detecting element and computing unit, the unit that tests the speed has
Measurement zone, the front end for testing the speed unit detection glass enters and passes the time of measurement zone, and the computing unit is according to measurement
The front end of the length in area and glass enters and passes the time of measurement zone and obtains glass speed.
Preferably, when the absolute value of the difference Δ Q of flow value Q and theoretical delivery Q0 is more than flow threshold C1, i.e. | Δ Q |
>C1, then the first hauling speed correcting module send speedup or deceleration instruction to carry-over pinch rolls servosystem, wherein, when again plate changes
When slope t is more than 0, speedup is slowed down plate changes slope t less than 0 again when.
Preferably, when the absolute value of thickness average value T and the difference Δ T of theoretic throat T0 is more than thickness threshold value C2, i.e., |
ΔT|>During C2, the second hauling speed correcting module sends speed adjust instruction to carry-over pinch rolls servosystem, wherein, thickness is average
When value T is more than theoretic throat T0, speedup；When thickness average value T is less than theoretic throat T0, slow down.
Preferably, when thickness slope γ is more than 0, Muffle furnace heating power correcting module sends reduction Muffle stove heat
The instruction of device performance number, when thickness slope γ is less than 0, Muffle furnace heating power correcting module sends increase Muffle furnace heater
The instruction of performance number.
Preferably, when the absolute value of the difference Δ Q of flow value Q and theoretical delivery Q0 is more than flow threshold C1, i.e. | Δ Q |
>C1, then passage heating correcting module send power to channel heating system and increase or decrease instruction, wherein, when again plate changes tiltedly
When rate t is more than 0, channel heating system power is reduced, plate changes slope t less than 0 again when, increase channel heating system power.
On the other hand, this utility model embodiment provides a kind of press over system glass production line, including passage heating system
System, carry-over pinch rolls servosystem, crosscutting machine servo system, robot servo's system and Muffle furnace heater, also including above-mentioned enforcement
The automatic control system of example, the automatic control system passes through parameters revision module adjust automatically channel heating system, carry-over pinch rolls
The running parameter of servosystem, crosscutting machine servo system, robot servo's system and Muffle furnace heater.
Compared with prior art, the beneficial effects of the utility model are：
The automatic control system of the press over system glass production that this utility model embodiment is provided makes thickness of glass statistical average
Value is greatly reduced to the sensitivity of flowed fluctuation, and the stability of the thickness index of quality is substantially improved.Producing line technique tune is greatly reduced
Whole frequency, reduces the impact that technologist's subjectivity runs to producing line, improves the automaticity of producing line operation.Thickness is steady
It is qualitative while greatly improve, the temperature stability of shaping area equipment it is also synchronous in the index of quality such as lifting, stress stability
Lifted.
Description of the drawings
Fig. 1 is the structural representation of the automatic control system of press over system glass production of the present utility model；
Fig. 2 is the schematic diagram of press over system glass production line of the present utility model；
Fig. 3 a and Fig. 3 b are the schematic diagram of glass tachometric survey mechanism of the present utility model.
Specific embodiment
This utility model is described in further detail with reference to specific embodiment, but not as to of the present utility model
Limit.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same embodiment.Additionally, one or
Special characteristic, structure or feature in multiple embodiments can be combined by any suitable form.
Referring to Fig. 1 and Fig. 2, this utility model embodiment provides a kind of automatic control system of press over system glass production,
Including：
Glass data testing agency, online glass speed, glass plate length, the glass non-streaming of obtaining is to thickness and glass weight
Related data；
Data analysis module, the real time data to obtaining carries out on-line analyses, obtains plate weight statistical value, plate and changes again tiltedly
Rate, flow value, thickness slope value and thickness average value；
Parameters revision module, is adjusted in real time according to detecting and analyzing the data obtained to the relevant parameter of glass producing system
It is whole.
The automatic control system that this utility model embodiment is provided by after the data of line Real-time Feedback are analyzed,
The relevant parameter of production line is corrected automatically again, speed of production, thickness, slope and flow that glass 4 is reached with this etc.
Automatically control, improve the self-control of production stability, quality stability and the producing line of glass, reduce the master of technologist
Impact of the sight ability to production quality stability.
As the preferred of above-described embodiment, parameters revision module according to the glass speed for obtaining, real-time adjustment transverse cutting unit and
The downlink component of robot and glass speed sync.The present embodiment realize transverse cutting unit and robot it is descending from motion tracking, protect
Demonstrate,prove and glass speed sync, it is to avoid product quality is affected because of the speed difference between transverse cutting unit and robot and glass even
Affect the operation of whole production line.
Used as the preferred of above-described embodiment, parameters revision module is according to glass plate length and the difference of the long standard value of plate, and adjustment is horizontal
Cut machine starting time deviation, it is ensured that glass plate length is within error tolerance band.The present embodiment is adjusted in time according to glass speed
The starting time of transverse cutting unit, it is consistent with design length so as to ensure that glass plate length, it is to avoid beyond the error of the specification operation
Scope, and the generation of caused defect ware.
Used as the preferred of above-described embodiment, parameters revision module changes slope and flow value again according to plate weight statistical value, plate
Adjustment carry-over pinch rolls rotating speed, to ensure glass average thickness in tolerance band.The present embodiment is real by real-time adjustment hauling speed
The adjustment of existing thickness of glass, it is ensured that the uniformity of thickness of glass and the concordance with design thickness.Avoid because under line measurement,
Manually adjust, it is impossible to make for the change such as flow and adjusting in time, and caused glass uneven distribution or the thickness beyond permission
Error and cause the generation of defect ware.
Used as the preferred of above-described embodiment, parameters revision module is adjusted according to the relation of thickness average value and theoretic throat value
Carry-over pinch rolls rotating speed, to ensure glass average thickness in tolerance band.The present embodiment is according to actual (real) thickness and theoretic throat (design
Thickness) difference adjusting carry-over pinch rolls rotating speed, so as to ensure that thickness of glass index.
Used as the preferred of above-described embodiment, parameters revision module adjusts Muffle furnace heater according to the variable quantity of thickness slope
Output, to ensure the thickness slope stability of glass.The present embodiment adjusts in time muffle furnace and adds by thickness slope variation
The output of hot device, so as to adjust flow regime of the glass in muffle furnace, stablizes flow regime, so as to ensure that product
What the stable and production line of quality ran stablizes.
Used as the preferred of above-described embodiment, parameters revision module changes slope and flow value again according to plate weight statistical value, plate
Adjustment channel heating system power, to ensure the stability of flow.The present embodiment is by adjustment channel heating system power in time
To adjust flow, it is ensured that glass flow rate is stablized, make production line stable operation, improve product quality is stablized.
Used as the preferred of above-described embodiment, the glass data testing agency includes that glass tachometric survey mechanism, glass are thick
Degree testing agency and glass weight weighing mechanism, wherein
Glass tachometric survey mechanism 22, the speed of service of the glass flowed out to self annealing stove carries out real-time detection, obtains glass
Glass speed, and the glass plate after further being cut is long；
Thickness of glass testing agency 26, detects to the non-streaming of glass to thickness；
Glass weight weighing mechanism 25, obtains the weight of the glass after cutting；
The data analysis module includes plate signal analysis module and Thickness Analysis module again, wherein
Plate signal analysis module again, receives the glass weight data of glass weight measuring mechanism Real-time Feedback, to working as header board
Weight and history plate weight, theoretical plate carry out statistical analysiss again, and output board weight statistical value, plate change slope and flow value again；
Thickness Analysis module, receives the glass non-streaming of thickness of glass measuring mechanism Real-time Feedback to thickness data, to real-time
Thickness data carries out statistical analysiss, output thickness slope value and thickness average value；
The parameters revision module includes transverse cutting unit, robot speed's tracking module, hauling speed correcting module, Muffle furnace
Heating power correcting module and passage heating correcting module, wherein
Transverse cutting unit, robot speed's tracking module, receive the real-time speed of the glass that glass tachometric survey mechanism provides, and
Real-time speed is delivered to respectively crosscutting machine servo system and robot servo's system, so as to control transverse cutting unit and robot under
Row component and glass speed sync, according to glass plate length and the difference of the long standard value of plate, send adjustment horizontal to crosscutting machine servo system
Cut the instruction of machine starting time, it is ensured that glass plate length is within error tolerance band；
Hauling speed correcting module, plate weight statistical value, the plate of analysis plates signal analysis module output again change again slope and
Flow value, so as to send speedup or deceleration instruction to carry-over pinch rolls servosystem, adjusts carry-over pinch rolls rotating speed, to ensure that glass is average
Thickness is in tolerance band；The thickness average value of analysis Thickness Analysis module output, according to thickness average value and theoretic throat value
Relation, send speedup or deceleration instruction to carry-over pinch rolls servosystem, carry-over pinch rolls rotating speed is adjusted, to ensure that glass average thickness exists
In tolerance band；
Muffle furnace heating power correcting module, according to the variable quantity of the thickness slope of Thickness Analysis module output, to Muffle
Stove heat device output adjust instruction, to ensure the thickness slope stability of glass；
Passage heats correcting module, plate weight statistical value, the plate of analysis plates signal analysis module output again change again slope and
Flow value, according to the variable quantity of flow value, to channel heating system output adjust instruction, by adjusting channel heating system
Power, to ensure the stability of flow；
Automatic control system also includes self feed back primary module, the data of the automatic feedback module control parameter correcting module
Send, receive and store..
The automatic control system of the present embodiment is capable of achieving the rapid feedback of data and process, manufacturing parameter is repaiied in time
Just, it is ensured that product quality is stablized.Certainly also can adjust on the basis of the present embodiment each module process data scope or
Person realizes data acquisition, analysis, process and feedback etc. using the system constituted with the diverse module of the present embodiment.Such as lead
Draw speed correcting module including the first hauling speed correcting module and the second hauling speed correcting module, first hauling speed
Again the plate weight statistical value of signal analysis module output, plate change slope and flow value to correcting module analysis plates again, so as to traction
Roller servosystem sends speedup or deceleration instruction, carry-over pinch rolls rotating speed is adjusted, to ensure glass average thickness in tolerance band；Institute
The thickness average value of the second hauling speed correcting module analysis Thickness Analysis module output is stated, it is thick according to thickness average value and theory
The relation of angle value, to carry-over pinch rolls servosystem speedup or deceleration instruction are sent, and carry-over pinch rolls rotating speed are adjusted, to ensure that glass is averagely thick
Degree is in tolerance band.Used as the preferred of above-described embodiment, above-mentioned each module can be PLC.Specifically, transverse cutting unit, machine
Again signal analysis module, Thickness Analysis module, the first hauling speed correcting module, the second traction are fast for people's speed Tracking module, plate
Degree correcting module, Muffle furnace heating power correcting module, passage heating correcting module and self feed back primary module can be single
PLC, or a two or more shared PLC therein, multiple PLC constitute PLC systems.Had using PLC simple easy
OK, the advantages of precise control is quick.
Used as the preferred of above-described embodiment, glass tachometric survey mechanism is laser light curtain formula measuring mechanism, ultrasonic locating
Measuring mechanism, CCD take (take the photograph) picture matching measurement mechanism, mechanical displacement sensor measuring mechanism or LVDT displacement sensor machines
Structure.Or using other any mechanisms that can be used to test the speed.Glass tachometric survey mechanism generally comprises detecting element and calculating
Unit, the unit that tests the speed has measurement zone, and the front end of the unit that tests the speed detection glass enters and pass the time of measurement zone, computing unit
Glass speed is obtained according to the time that the length of measurement zone and the front end of glass entered and passed measurement zone.Referring to Fig. 3 a and figure
3b, illustrates by taking laser light curtain formula measuring mechanism as an example to glass tachometric survey mechanism and its operation principle.Fig. 3 a and Fig. 3 b
In, detecting element includes lasing light emitter 221 and laser receiver 222, is formed between lasing light emitter 221 and laser receiver 222
Measurement zone, when the front end of glass 4 enters measurement zone, triggering lasing light emitter starts to test the speed, and the front end for recording glass 4 enters measurement zone
Time t1, when the front end of glass 4 passes measurement zone, measurement terminates, and the front end for recording glass 4 passes the time t2 of measurement zone,
According to length S of measured zone, you can be calculated glass speed v, v=S/ (t2-t1).Cut off when glass 4 is crosscut machine 16,
After robot 17 removes in the glass 4 of cut-out, the time t3 of measurement zone is entered by next piece of faceplate of detection, with reference to upper one
Block glass edge enters the time t1 of measurement zone, in conjunction with glass speed v that lastblock glass is calculated, can calculate and just cut
The long L of glass plate obtained after cutting, L=v (t3-t1).
As the number that the preferred of above-described embodiment, the first hauling speed correcting module provide according to plate again signal analysis module
Instruct accordingly according to sending, specifically, when the absolute value of the difference Δ Q of flow value Q and theoretical delivery Q0 is more than flow threshold C1,
That is | Δ Q |>C1, then the first hauling speed correcting module send speedup or deceleration instruction to carry-over pinch rolls servosystem, plate changes again
Slope t>When 0, flow is in and is stepped up state, and plate changes slope t again<When 0, flow is in and gradually reduces state, therefore,
When plate changes slope t more than 0 again, speedup is slowed down plate changes slope t less than 0 again when.The occurrence of C1 needs to set according to technique
Put, to ensure average thickness within tolerance band.
As the preferred of above-described embodiment, when the absolute value of thickness average value T and the difference Δ T of theoretic throat T0 is more than thickness
During threshold value C2, i.e., | Δ T |>During C2, the second hauling speed correcting module sends speed adjust instruction to carry-over pinch rolls servosystem, its
In, when thickness average value T is more than theoretic throat T0, speedup；When thickness average value T is less than theoretic throat T0, slow down.Δ T=T-
The specific value of T0, C2 needs to arrange according to technique, to ensure average thickness within tolerance band.
As the preferred of above-described embodiment, when thickness slope γ changes, show stream of the glass 4 in Muffle furnace 11
Dynamic state changes, and is to control thickness slope γ in tolerance band, to adjust the power of Muffle furnace heater 23, passes through
Temperature change in Muffle furnace 11, reaching improves the purpose of glass flow regime.Concrete adjustment is as follows, when thickness slope γ is more than
When 0, Muffle furnace heating power correcting module sends the instruction for reducing Muffle furnace heater power value, when thickness slope γ is less than 0
When, Muffle furnace heating power correcting module sends the instruction for increasing Muffle furnace heater power value.
As the preferred of above-described embodiment, when the absolute value of the difference Δ Q of flow value Q and theoretical delivery Q0 is more than flow threshold
During C1, i.e., | Δ Q |>C1, then passage heating correcting module send power to channel heating system and increase or decrease instruction, wherein,
When plate changes slope t more than 0 again, channel heating system power is reduced, plate changes slope t less than 0 again when, increase passage heating
System power.
Self feed back primary module in this utility model embodiment is the skeleton of whole modular system, each submodule (control automatically
Other parts in system processed in addition to self feed back primary module) run under the unified management of self feed back primary module.
Self feed back primary module has following functions：1st, data management；2nd, rights management；3rd, alarming and managing；4th, submodule isolation
With recovery management etc..
Data management：The data that each submodule gathered, exports are managed collectively by self feed back primary module；
Rights management：Each submodule, self feed back primary module arrange different Permission Levels, and different grades of user has not
Same control authority.As user gradation is divided into three-level：One is supervisor level, is highest authority, and all systems and data can be entered
Row management, operation and maintenance；Two is maintenance person's level, is intermediate authority, each key process parameter can be modified and be arranged；Three
For operator's level, only it is responsible for checking system operation data, confirming.
Alarming and managing：Each module running status and data are monitored, when beyond set point, starts warning journey
Sequence.Type of alarm can need according to different process and process environments are using various forms such as sound, light, electricity.
Submodule is isolated and recovery management：In normal productive process, each submodule is in automatic running state.When according to reality
Border technique needs, and need to disable certain submodule and when manual mode is run, and starts submodule isolation features.Start submodule every
After function, all data of the submodule and technology controlling and process all switch to the manual method of operation, and enter with remaining submodule number evidence
Row isolation, to ensure the normal operation of remaining submodule.When needing for the submodule to recover automatic running, start submodule extensive
Multiple function, all data of the submodule and technology controlling and process all switch to automatic running by operation manually, and enter with remaining submodule
Row data association.
On the other hand, this utility model embodiment provides a kind of press over system glass production line, referring to Fig. 2, press over system glass
Glass production line is broadly divided into three regions：Passage area 1, forming area 2 and semi-finished product machining area 3, glass 4 is first from passage
Flow out in region 1, under the regulation and control of channel heating system (21), the glass flowed out from passage area 1 keeps the relative of flow
It is stable.The glass 4 flowed out from passage area 1 enters forming area 2, and in forming area 2, glass passes sequentially through Muffle furnace
11st, forming furnace 12 and annealing furnace 14, when glass 4 flows out Muffle furnace 11, the both sides of 13 clamping glass of edge machine 4 are keeping stabilization
Launch.Glass is flowed out after forming furnace 12, and carry-over pinch rolls 15 draw under the control of carry-over pinch rolls servosystem 24 to glass 4, with
Keep the thickness of glass.Glass 4 is flowed out after annealing furnace 14, and into semi-finished product machining area 3, transverse cutting unit 16 cuts off in glass 4, peace
Glass 4 after cutting is broken to break and be transferred to subsequent work stations and is packed by the robot 17 being mounted on robot base 18.Wherein
Transverse cutting unit and robot work respectively under respective servo system control, and muffle furnace has muffle furnace heater 23.This enforcement
The production line of example includes the automatic control system of above-described embodiment, and automatic control system is logical by parameters revision module adjust automatically
The work ginseng of road heating system, carry-over pinch rolls servosystem, crosscutting machine servo system, robot servo's system and Muffle furnace heater
Number.In the present embodiment, glass tachometric survey mechanism 22, thickness of glass testing agency 26 and glass weight weighing mechanism 25 are located at half
Finished product machining area 3, glass tachometric survey mechanism 22 is located at the lower section of transverse cutting unit 16.Thickness of glass testing agency 26 and glass weight
Next station of the amount weighing mechanism 25 after cutting.
According to this utility model embodiment, prior art is improved.Referring to Fig. 1 to Fig. 3 (Fig. 3 a and Fig. 3 b), adopt
It is as follows that this utility model embodiment carries out Improving Glass Manufacturing Processes：
S1. when the laser light curtain that the front end of glass 4 is entered between the detecting element of glass tachometric survey mechanism, glass speed
Measuring mechanism starts to start, and the process that tests the speed is as follows：
Start to test the speed, until the measurement zone that the front end of glass 4 is formed beyond laser light curtain, end of testing the speed, PLC is by measuring
Time and known measurement volume length calculate and export glass speed v；
Glass is cut after removing, and the front end of next sheet glass enters measurement zone, and PLC is calculating the same of current glass speed
When, the time difference of measurement zone is entered by block faceplate in PLC calculating and current glass front end, and by upper piece glass speed
The long L of glass plate is obtained, or by calculating the linear displacement of carry-over pinch rolls 15, obtains the long L of glass plate.
S2. transverse cutting unit, robot speed's tracking system input glass speed v, and adjust automatically transverse cutting unit 16 and robot
The downlink component of 17 speeds of service so as to glass speed v Auto-matching.By analyzing the long L of glass plate and long standard value L0 of plate
Error delta L, such as Δ L exceed standard value, then adjust the starting time deviation of transverse cutting unit 16, it is ensured that the long L of glass plate error permit
Within the scope of.
S3. robot 17 capture it is crosscutting after glass 4 send into next station, weighed and thickness measuring operation, by glass
Weight weighing mechanism (can adopt weight sensor) 25 weight plate weights, again signal analysis module is counted plate with reference to historical data
Simultaneously output board weight statistical value W, plate change slope t and flow value Q again for analysis.Thickness measuring (can be adopted by thickness of glass testing agency
Instrument) to thickness, online Thickness Analysis module is analyzed and output thickness slope value γ and thickness 26 measurement non-streaming to thickness data
Degree meansigma methodss T.
S4. again the plate weight statistical value W of signal analysis module, plate change slope to the first hauling speed correcting module tablet again
T and flow value Q, and comparing with standard value, according to departure amendment carry-over pinch rolls servosystem 24 changing carry-over pinch rolls 15
Running speed, to ensure strip thickness control within standard claimed range.
S5. thickness average value T of the second hauling speed correcting module Input Online Thickness Analysis module, and with reference to expert system
System is compared with standard value, according to departure amendment carry-over pinch rolls servosystem 24 to change the running speed of carry-over pinch rolls 15, with
Ensure strip thickness control within standard claimed range.
S6. Muffle furnace heating power correcting module is by input thickness slope value γ, the power of amendment Muffle furnace heater 23
Value, corrects thickness of glass slope γ, to ensure that glass imposite thickness deviation conformance with standard is required.
S7. passage heating correcting module tablet again the plate weight statistical value W of signal analysis module, plate change again slope t and
Flow value Q, the power of adjust automatically channel heating system 21, to correct glass flow rate in tolerance band.
After employing the technical scheme of this utility model embodiment, there is following effect compared with the prior art before transformation
Really：
Glass thickness variations are greatly reduced to the sensitivity of changes in flow rate, and flowed fluctuation scope is carried by original ± 1.5KG
When height is to ± 3KG, thickness of glass extreme difference exceeding standard rate is without significant change, i.e. improve the technique width range of passage area 1.
Glass non-streaming to thickness extreme difference exceeding standard rate is reduced, and is mainly shown as that thickness extreme difference meansigma methodss are reduced to by 0.0081mm
0.0072mm；Thickness extreme difference standard deviation is reduced to 0.0006mm by 0.0008mm.
With the raising of thickness of glass stability, the temperature stability of the equipment of forming area 2 is also synchronously improved, main table
Now 81.3PSI is reduced to by 92.4PSI for glass imposite stress meansigma methodss, imposite stress standard deviation is reduced to by 10.3PSI
8.5PSI。
Moulding process adjustment frequency statistics assay value reduces by 37.3%.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any those familiar with the art can readily occur in change in the technical scope that this utility model is disclosed
Or replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (17)
1. the automatic control system of press over system glass production, it is characterised in that include：
Glass data testing agency, online acquisition glass speed, glass plate length, glass non-streaming are related to glass weight to thickness
Data；
Data analysis module, the real time data to obtaining carries out on-line analyses, obtains plate weight statistical value, plate and changes slope, stream again
Value, thickness slope value and thickness average value；
Parameters revision module, real-time adjustment is carried out according to detecting and analyzing the data obtained to the relevant parameter of glass producing system.
2. the automatic control system of press over system glass production according to claim 1, it is characterised in that the parameters revision
Downlink component and glass speed sync of the module according to the glass speed for obtaining, real-time adjustment transverse cutting unit and robot.
3. the automatic control system of press over system glass production according to claim 1, it is characterised in that the parameters revision
Module adjusts transverse cutting unit starting time deviation, it is ensured that glass plate length is permitted in error according to glass plate length and the difference of the long standard value of plate
Can within the scope of.
4. the automatic control system of press over system glass production according to claim 1, it is characterised in that the parameters revision
Module changes slope and flow value adjustment carry-over pinch rolls rotating speed again according to plate weight statistical value, plate, to ensure that glass average thickness is being permitted
Can be in scope.
5. the automatic control system of press over system glass production according to claim 1, it is characterised in that the parameters revision
Module adjusts carry-over pinch rolls rotating speed according to the relation of thickness average value and theoretic throat value, to ensure glass average thickness in license model
In enclosing.
6. the automatic control system of press over system glass production according to claim 1, it is characterised in that the parameters revision
Module adjusts Muffle furnace heater wattage output according to the variable quantity of thickness slope, to ensure the thickness slope stability of glass.
7. the automatic control system of press over system glass production according to claim 1, it is characterised in that the parameters revision
Module changes slope and flow value adjustment channel heating system power again according to plate weight statistical value, plate, to ensure stablizing for flow
Property.
8. the automatic control system of press over system glass production according to claim 1, it is characterised in that the glass data
Testing agency includes glass tachometric survey mechanism, thickness of glass testing agency and glass weight weighing mechanism, wherein
Glass tachometric survey mechanism, the speed of service of the glass flowed out to self annealing stove carries out real-time detection, obtains glass speed,
And the glass plate after further being cut is long；
Thickness of glass testing agency, detects to the non-streaming of glass to thickness；
Glass weight weighing mechanism, obtains the weight of the glass after cutting；
The data analysis module includes plate signal analysis module and Thickness Analysis module again, wherein
Plate signal analysis module again, receives the glass weight data of glass weight measuring mechanism Real-time Feedback, to when header board weight and
History plate weight, theoretical plate carry out statistical analysiss again, and output board weight statistical value, plate change slope and flow value again；
Thickness Analysis module, receives the glass non-streaming of thickness of glass measuring mechanism Real-time Feedback to thickness data, to real-time thickness
Data carry out statistical analysiss, output thickness slope value and thickness average value；
The parameters revision module includes transverse cutting unit, robot speed's tracking module, hauling speed correcting module, Muffle stove heat
Power correction module and passage heating correcting module, wherein
Transverse cutting unit, robot speed's tracking module, receive the real-time speed of the glass that glass tachometric survey mechanism provides, and will be real
Shi Sudu is delivered to respectively crosscutting machine servo system and robot servo's system, so as to control descending point of transverse cutting unit and robot
Amount and glass speed sync, according to glass plate length and the difference of the long standard value of plate, to crosscutting machine servo system adjustment transverse cutting unit are sent
Starting time is instructed, it is ensured that glass plate length is within error tolerance band；
Hauling speed correcting module, again the plate weight statistical value of signal analysis module output, plate change slope and flow to analysis plates again
Value, so as to send speedup or deceleration instruction to carry-over pinch rolls servosystem, adjusts carry-over pinch rolls rotating speed, to ensure that glass average thickness exists
In tolerance band；The thickness average value of analysis Thickness Analysis module output, according to thickness average value and the relation of theoretic throat value,
Speedup or deceleration instruction are sent to carry-over pinch rolls servosystem, carry-over pinch rolls rotating speed is adjusted, to ensure glass average thickness in license model
In enclosing；
Muffle furnace heating power correcting module, according to the variable quantity of the thickness slope of Thickness Analysis module output, to Muffle furnace plus
Hot device output adjust instruction, to ensure the thickness slope stability of glass；
Passage heats correcting module, and again the plate weight statistical value of signal analysis module output, plate change slope and flow to analysis plates again
Value, according to the variable quantity of flow value, to channel heating system output adjust instruction, by adjusting channel heating system work(
Rate, to ensure the stability of flow；
The automatic control system also includes self feed back primary module, the data of the automatic feedback module control parameter correcting module
Send, receive and store.
9. the automatic control system of press over system glass production according to claim 8, it is characterised in that the hauling speed
Correcting module includes the first hauling speed correcting module and the second hauling speed correcting module, the first hauling speed amendment mould
Again the plate weight statistical value of signal analysis module output, plate change slope and flow value to block analysis plate again, so as to carry-over pinch rolls servo
System sends speedup or deceleration instruction, carry-over pinch rolls rotating speed is adjusted, to ensure glass average thickness in tolerance band；Described second
The thickness average value of hauling speed correcting module analysis Thickness Analysis module output, according to thickness average value and theoretic throat value
Relation, to carry-over pinch rolls servosystem speedup or deceleration instruction are sent, and adjust carry-over pinch rolls rotating speed, to ensure that glass average thickness is being permitted
Can be in scope.
10. the automatic control system of press over system glass production according to claim 1, it is characterised in that the parameter is repaiied
Positive module is PLC.
The automatic control system of 11. press over system glass productions according to claim 8, it is characterised in that the glass speed
Degree measuring mechanism is laser light curtain formula measuring mechanism, ultrasonic locating measuring mechanism, CCD shooting matching measurements mechanism, mechanical position
Displacement sensor measuring mechanism or LVDT displacement sensors mechanism.
The automatic control system of 12. press over system glass productions according to claim 8, it is characterised in that the glass speed
Degree measuring mechanism includes detecting element and computing unit, and the unit that tests the speed has measurement zone, the unit detection glass that tests the speed
Front end enter and pass time of measurement zone, the computing unit is entered and worn according to the length of measurement zone and the front end of glass
The time for going out measurement zone obtains glass speed.
The automatic control system of 13. press over system glass productions according to claim 4, it is characterised in that when flow value Q with
When the absolute value of the difference Δ Q of theoretical delivery Q0 is more than flow threshold C1, i.e. | Δ Q |>C1, then the first hauling speed correcting module to
Carry-over pinch rolls servosystem sends speedup or deceleration instruction, wherein, when plate changes slope t more than 0 again, speedup, plate changes tiltedly again
Rate t is slowed down when being less than 0.
The automatic control system of 14. press over system glass productions according to claim 5, it is characterised in that when thickness it is average
When the absolute value of the difference Δ T of value T and theoretic throat T0 is more than thickness threshold value C2, i.e. | Δ T |>During C2, the second hauling speed amendment
Module to carry-over pinch rolls servosystem sends speed adjust instruction, wherein, when thickness average value T is more than theoretic throat T0, speedup；It is thick
When degree meansigma methodss T are less than theoretic throat T0, slow down.
The automatic control system of 15. press over system glass productions according to claim 6, it is characterised in that when thickness slope
When γ is more than 0, Muffle furnace heating power correcting module sends the instruction for reducing Muffle furnace heater power value, as thickness slope γ
During less than 0, Muffle furnace heating power correcting module sends the instruction for increasing Muffle furnace heater power value.
The automatic control system of 16. press over system glass productions according to claim 7, it is characterised in that when flow value Q with
When the absolute value of the difference Δ Q of theoretical delivery Q0 is more than flow threshold C1, i.e. | Δ Q |>C1, then passage heating correcting module is to passage
Heating system sends power and increases or decreases instruction, wherein, when plate changes slope t more than 0 again, reduce channel heating system work(
Rate, plate changes slope t less than 0 again when, increases channel heating system power.
17. press over system glass production lines, including channel heating system, carry-over pinch rolls servosystem, crosscutting machine servo system, robot
Servosystem and Muffle furnace heater, it is characterised in that also including the automatic control system described in any one of claim 1-16,
The automatic control system is watched by parameters revision module adjust automatically channel heating system, carry-over pinch rolls servosystem, transverse cutting unit
The running parameter of dress system, robot servo's system and Muffle furnace heater.
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| CN201620527129.2U CN206127108U (en) | 2016-06-01 | 2016-06-01 | Overflow method glass production line and automatic control system thereof |
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|---|---|---|---|
| CN201620527129.2U CN206127108U (en) | 2016-06-01 | 2016-06-01 | Overflow method glass production line and automatic control system thereof |
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| CN108249743A (en) * | 2018-03-28 | 2018-07-06 | 河北省沙河玻璃技术研究院 | The method for shaping that a kind of suitable flexible glass is drawn |
| CN110963675A (en) * | 2019-09-29 | 2020-04-07 | 彩虹显示器件股份有限公司 | Method for controlling forming thickness of overflow brick thin plate |
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| CN108249743A (en) * | 2018-03-28 | 2018-07-06 | 河北省沙河玻璃技术研究院 | The method for shaping that a kind of suitable flexible glass is drawn |
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| CN114524608A (en) * | 2022-03-24 | 2022-05-24 | 石家庄旭新光电科技有限公司 | Advanced substrate glass cutting control system and control method |
| CN114524608B (en) * | 2022-03-24 | 2024-03-01 | 石家庄旭新光电科技有限公司 | High-generation substrate glass cutting control system and control method |
| CN115108711A (en) * | 2022-06-28 | 2022-09-27 | 河南旭创光电新材料有限公司 | Method and device for automatically controlling glass thickness |
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Effective date of registration: 20200922 Address after: 050035 No. 9, the Yellow River Avenue, hi tech Zone, Hebei, Shijiazhuang Patentee after: DONGXU OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Address before: The 100070 Beijing Seahawks Fengtai District Science City Road No. 9 Building No. 2 room 266 (Park) Patentee before: TUNGHSU TECHNOLOGY GROUP Co.,Ltd. Patentee before: TUNGHSU GROUP Co.,Ltd. |