CN106645778B - Ultra-thin glass coding method - Google Patents
Ultra-thin glass coding method Download PDFInfo
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- CN106645778B CN106645778B CN201611024226.0A CN201611024226A CN106645778B CN 106645778 B CN106645778 B CN 106645778B CN 201611024226 A CN201611024226 A CN 201611024226A CN 106645778 B CN106645778 B CN 106645778B
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- passing
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- 239000011521 glass Substances 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 40
- 230000000903 blocking effect Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 11
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000012634 fragment Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
Abstract
The invention discloses an ultra-thin glass coding method, which comprises the following steps of 1) virtually coding ultra-thin glass sequentially arranged on a conveying mechanism, setting a monitoring point capable of monitoring the passing state of the ultra-thin glass at one side of the conveying mechanism, 2) obtaining the passing time t0 of each ultra-thin glass passing through the monitoring point, and the interval time t from the front ultra-thin glass to the rear ultra-thin glass reaching the monitoring point, 3) reading the conveying speed of a driving belt, and obtaining the equivalent time t1 of a single ultra-thin glass passing through the monitoring point according to the width, the interval and the conveying speed of the ultra-thin glass; 4) Whether the chips are missing or not and the number of the chips are missing or not are evaluated according to the interval time and the equivalent time; 5) And storing the virtual coding information and the missing ultrathin glass quantity information, and carrying out code pasting by a coding mechanism. The invention can realize accurate coding of the ultra-thin glass with the thickness of about 1mm, improves the quality and reduces the cost.
Description
Technical Field
The invention relates to the technical field of reflector preparation, in particular to an ultrathin glass coding method.
Background
In the production and processing, for the purpose of quality traceability, etc., the product is generally encoded from the raw material side. The common method is to paste or code the raw material business. However, when ultra-thin glass, such as glass with a thickness of about 1mm, is processed in the glass silver plating industry, the code cannot be pasted before the silver plating line, and the laser code printing cannot be performed, and because the toughness of the glass is affected, the produced silver plating mirror and raw material information, inspection information, equipment information and the like cannot be accurately associated, so that quality tracing cannot be performed, and quick positioning quality problem causes cannot be caused.
Disclosure of Invention
The invention aims at overcoming the technical defects in the prior art and provides an ultrathin glass coding method.
The technical scheme adopted for realizing the purpose of the invention is as follows:
an ultra-thin glass coding method comprises the following steps,
1) The ultra-thin glass sequentially arranged on the conveying mechanism is virtually encoded, meanwhile, a monitoring point capable of monitoring the passing state of the ultra-thin glass is arranged on one side of the conveying mechanism,
2) Obtaining the passing time t0 of each piece of ultra-thin glass passing through the monitoring point and the interval time t from the front piece of ultra-thin glass to the rear piece of ultra-thin glass reaching the monitoring point,
3) Reading the conveying speed of the transmission belt, and obtaining the equivalent time t1 of the single ultrathin glass passing through the monitoring point according to the width, the interval and the conveying speed of the ultrathin glass;
4) Whether the chips are missing or not and the number of the chips are missing or not are evaluated according to the interval time and the equivalent time;
5) And storing the virtual coding information and the missing ultrathin glass quantity information, and carrying out code pasting by a coding mechanism.
In the step 4), the difference between the interval time and the equivalent time is marked as t3, if t3 is less than a1 x t0, no missing piece is considered, if a2 x t0 is less than a3 x t0, the missing piece is marked as missing piece, if t3 is more than or equal to a3 x t0, the ratio of missing piece number is marked as t to t1 is rounded and the missing piece number is marked as missing piece number, if a1 x t0 is less than or equal to t3 is less than or equal to a2 x t0, whether missing piece is detected according to the change of the transmission speed of the transmission mechanism, wherein a1, a2 and a3 are constants.
If acceleration process exists, the absence of a piece is considered, if deceleration process exists, the absence of a piece is considered, if no speed change exists, t3<0.5×t0 is marked as no piece missing, otherwise, a piece missing is performed.
And if the ratio of the width of the ultrathin glass to the passing time exceeds a preset value compared with the conveying speed, alarming.
And the number of the monitoring points is two, and if the passing time of the two monitoring points exceeds a preset value, an alarm is given.
In the step 4), the method further comprises a blocking judging step, wherein the running speed of the last section of conveying mechanism along the conveying direction is read from the industrial personal computer, if the running speed is smaller than a second preset value, the blocking is judged, the blocking starting time is read and is recorded as blocking time, if the interval time of the follow-up ultra-thin glass passing through the monitoring point is smaller than the sum of the standard interval time and the blocking time, the ultra-thin glass is recorded as ultra-thin glass before blocking, and the missing piece number calculating method is unchanged;
if the interval time of the ultra-thin glass passing through the monitoring point is larger than the sum of the standard interval time and the blocking time, marking that the ultra-thin glass passes through again after the blocking condition is eliminated, and the number of missing pieces is the ratio of the difference between the interval time of the ultra-thin glass passing through the monitoring point and the blocking time to the equivalent time;
the standard interval time is the ratio of the set interval of the front piece and the rear piece and the conveying speed.
The monitoring point is detected by one or a pair of glass photoelectric sensors.
Compared with the prior art, the invention has the beneficial effects that:
the invention can realize accurate coding of ultra-thin glass with the thickness of about 1mm, the production line speed is read by monitoring the glass spacing and the opc mode through the photoelectric switch, so as to virtually code silver-plated glass in the production process of a silver plating line, and record and artificially classify the defects of the glass caused by factors such as drawing and detecting sheets, fragments and the like in the production process. And then the coding information is sent to a server in real time, and the server corresponds to the information such as equipment data, material consumption, material details, supplier information, supply time and the like in real time one by one accurately, and forms a data packet. The quality tracing can be accurately and rapidly carried out by processing the data packet, so that the quality problem solving efficiency is improved, and the cost is reduced. Meanwhile, the data comparison treatment according to the checking result can be carried out more quickly, so that the quality is improved and the cost is reduced.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The ultra-thin glass encoding method of the present invention includes the steps of,
1) The ultra-thin glass sequentially distributed on the roller type conveying mechanism is virtually encoded, meanwhile, monitoring points capable of monitoring the passing state of the ultra-thin glass are arranged on one side of the conveying mechanism, preferably, one or a pair of photoelectric switches for glass are added to each section of conveying mechanism of the silvered wire, the control steps executed by each section are identical, the pair of photoelectric switches are used for reducing the probability of the photoelectric switch faults, the system stability is improved, and if one photoelectric switch fault is always in an IO (input/output) quantity of 0 or 1, a program can judge which point position has faults according to whether the faults occur synchronously. One point location fails and the other point location continues to work until the maintenance of the failed point location is completed, i.e. the two photoelectric switches form a relationship of hot standby with each other.
2) The passing time t0 of each piece of ultrathin glass passing through the monitoring point and the interval time t of the front piece of ultrathin glass leaving to the rear piece of ultrathin glass reaching the monitoring point are obtained, when the glass passes through, the photoelectric switch gives an IO value of 1, and when the glass does not pass through, the photoelectric switch gives an IO value of 0, and then the interval time IO value of the glass is 0. I.e. the time interval between a falling edge and a rising edge, the transit time of the glass is 1. I.e. the time interval between a rising edge and a falling edge
3) And (3) reading the conveying speed of the conveyor belt, for example, reading the real-time speed of each conveying mechanism from an industrial control computer of the silver plating line in real time through a profinet protocol. Obtaining the equivalent time t1 of the single ultrathin glass passing through the monitoring point according to the ratio of the sum of the width and the interval of the ultrathin glass and the conveying speed;
4) Whether the chips are missing or not and the number of the chips are missing or not are evaluated according to the interval time and the equivalent time; specifically, the difference between the interval time and the equivalent time is denoted as t3, if t3 is less than a1×t0, no piece is considered as missing, if a2×t0 is less than t3 is less than a3×t0, the piece is denoted as missing, if t3 is greater than or equal to a3×t0, the ratio of the piece missing quantity is denoted as t to t1 is rounded, the piece missing quantity is denoted as missing quantity, if a1×t0 is less than or equal to t3 and less than or equal to a2×t0, whether the piece missing is determined according to the change of the conveying speed of the conveying mechanism, a1 is a constant of 0.2-0.3, a2 is a constant of 0.7-0.8, and a3 is a constant of 1.2-1.3.
When judging whether the sheet is missing according to the change of the conveying speed, if the acceleration process exists, the sheet is considered to be absent, if the deceleration process exists, and if the speed is not changed, t3<0.5 t0 is marked as the sheet is not missing, otherwise the sheet is missing.
5) And storing the virtual coding information and the missing ultrathin glass quantity information, and carrying out code pasting by a coding mechanism.
The invention can realize accurate coding of ultra-thin glass with the thickness of about 1mm, the production line speed is read by monitoring the glass spacing and the opc mode through the photoelectric switch, so as to virtually code silver-plated glass in the production process of a silver plating line, and record and artificially classify the defects of the glass caused by factors such as drawing and detecting sheets, fragments and the like in the production process. And then the coding information is sent to a server in real time, and the server corresponds to the information such as equipment data, material consumption, material details, supplier information, supply time and the like in real time one by one accurately, and forms a data packet. The quality tracing can be accurately and rapidly carried out by processing the data packet, so that the quality problem solving efficiency is improved, and the cost is reduced. Meanwhile, the data comparison treatment according to the checking result can be carried out more quickly, so that the quality is improved and the cost is reduced.
Preferably, to enhance monitoring of the overall apparatus, an alarm is given if the ratio of the width of the ultra-thin glass to the transit time, i.e. the measured conveyance speed, exceeds a predetermined value, in which case a large angle tilt of the glass or other accident typically occurs. Meanwhile, the number of the monitoring points is two, if the passing time of the two monitoring points exceeds a preset value, an alarm is given, and if two detection points on the same transmission section generate larger errors on the passing of the same glass, transmission faults can occur, and operators need to be reminded of paying attention.
In the step 4), the method further comprises a blocking judging step, wherein the running speed of the last section of conveying mechanism along the conveying direction is read from the industrial personal computer, if the running speed is smaller than a second preset value, the blocking is judged, the blocking starting time is read and is recorded as blocking time, if the interval time of the follow-up ultra-thin glass passing through the monitoring point is smaller than the sum of the standard interval time and the blocking time, the ultra-thin glass is recorded as ultra-thin glass before blocking, and the missing piece number calculating method is unchanged;
if the interval time of the ultra-thin glass passing through the monitoring point is larger than the sum of the standard interval time and the blocking time, marking that the ultra-thin glass passes through again after the blocking condition is eliminated, and the number of missing pieces is the ratio of the difference between the interval time of the ultra-thin glass passing through the monitoring point and the blocking time to the equivalent time; the standard interval time is the ratio of the set interval of the front piece and the rear piece to the conveying speed. Meanwhile, corresponding treatment is carried out on equipment faults and production line blockage in the running process of the production line, for example, the upstream part stops and the downstream part continues to produce due to the fact that equipment speed adjustment is not coordinated and a certain section of the production line breaks down in the early production period, and the effectiveness of coding is effectively improved through the effective judgment mechanism to distinguish the defect from the blockage.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. A method for coding ultra-thin glass is characterized by comprising the following steps,
1) The ultra-thin glass sequentially arranged on the conveying mechanism is virtually encoded, meanwhile, a monitoring point capable of monitoring the passing state of the ultra-thin glass is arranged on one side of the conveying mechanism,
2) Obtaining the passing time t0 of each piece of ultra-thin glass passing through the monitoring point and the interval time t from the front piece of ultra-thin glass to the rear piece of ultra-thin glass reaching the monitoring point,
3) Reading the conveying speed of the transmission belt, and obtaining the equivalent time t1 of the single ultrathin glass passing through the monitoring point according to the width, the interval and the conveying speed of the ultrathin glass;
4) Whether the chips are missing or not and the number of the chips are missing or not are evaluated according to the interval time and the equivalent time;
5) And storing the virtual coding information and the missing ultrathin glass quantity information, and carrying out code pasting by a coding mechanism.
2. The method of claim 1, wherein the step 4) is characterized in that the difference between the interval time and the equivalent time is denoted as t3, if t3< a1 x t0, it is regarded as no missing piece, if a2 x t0< t3 x t0, it is denoted as missing piece, if t3 is greater than or equal to a3 x t0, the ratio of missing piece number denoted as t to t1 is rounded as missing piece number, if a1 x t0 is less than or equal to t3 is less than or equal to a2 x t0, it is determined whether missing piece is generated according to the change of the transmission speed of the transmission mechanism, wherein a1, a2 and a3 are constants.
3. The method of claim 2, wherein if there is an acceleration process, then no chipping is considered to be present, if there is a deceleration process, then t3<0.5 x t0 is considered to be absent if there is no speed change, otherwise chipping is considered to be present.
4. The method of claim 1, wherein an alarm is given if the ratio of the width of the ultra-thin glass to the transit time exceeds a predetermined value.
5. The method for encoding the ultra-thin glass according to claim 1, wherein the number of the monitoring points is two, and an alarm is given if the passing time of the two monitoring points exceeds a preset value.
6. The method for encoding ultra-thin glass according to claim 1, wherein in the step 4), the method further comprises a blocking judging step of reading the running speed of the previous section of the conveying mechanism along the conveying direction from the industrial personal computer, if the running speed is smaller than a second preset value, judging that the ultra-thin glass is blocked and reading a blocking start time, and if the interval time of the ultra-thin glass passing through the monitoring point is smaller than the sum of the standard interval time and the blocking time, recording the ultra-thin glass before the blocking, wherein the missing piece number calculating method is unchanged;
if the interval time of the ultra-thin glass passing through the monitoring point is larger than the sum of the standard interval time and the blocking time, marking that the ultra-thin glass passes through again after the blocking condition is eliminated, and the number of missing pieces is the ratio of the difference between the interval time of the ultra-thin glass passing through the monitoring point and the blocking time to the equivalent time;
the standard interval time is the ratio of the set interval of the front piece and the rear piece and the conveying speed.
7. The ultra-thin glass encoding method of claim 1, wherein the monitoring point is detected using one or a pair of glass photosensors.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024226.0A CN106645778B (en) | 2016-11-17 | 2016-11-17 | Ultra-thin glass coding method |
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| CN201611024226.0A CN106645778B (en) | 2016-11-17 | 2016-11-17 | Ultra-thin glass coding method |
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| CN106645778B true CN106645778B (en) | 2023-05-30 |
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| CN111324096B (en) * | 2020-03-03 | 2021-04-23 | 郑州旭飞光电科技有限公司 | Traceability system and traceability method for processing and packaging information of substrate glass |
| CN111774310A (en) * | 2020-07-14 | 2020-10-16 | 深圳路辉物流设备有限公司 | Package distance adjusting device and method for sorting assembly line and storage medium |
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2016
- 2016-11-17 CN CN201611024226.0A patent/CN106645778B/en active Active
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