CN112763032B - TFT-LCD photoelectric glass conveying online weighing system and method - Google Patents
TFT-LCD photoelectric glass conveying online weighing system and method Download PDFInfo
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- CN112763032B CN112763032B CN202011384509.2A CN202011384509A CN112763032B CN 112763032 B CN112763032 B CN 112763032B CN 202011384509 A CN202011384509 A CN 202011384509A CN 112763032 B CN112763032 B CN 112763032B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
Abstract
The invention provides a TFT-LCD photoelectric glass conveying on-line weighing system and a method, which realize the on-line one-time weighing of the TFT-LCD photoelectric glass conveying through a control system and a transportation system; the ID identification station of the vehicle carrying plate collects the current ID information of the vehicle carrying plate through an ID identification sensor, so that the control system can automatically bind the ID information during the rear-end conveying of the vehicle carrying plate; the tare weight data of the vehicle carrying plate is input into the control system, when the vehicle carrying plate is automatically conveyed, the control system calculates the quality of the TFT-LCD photoelectric glass clamped by the vehicle carrying plate according to the weighing data and the tare weight data input before conveying through the weighing data of the vehicle carrying plate with the TFT-LCD photoelectric glass collected by the weighing sensor in the weighing station, one-time weighing is realized, the glass conveying and weighing process is simplified, and the weighing accuracy is improved.
Description
Technical Field
The invention relates to the field of TFT-LCD photoelectric glass production, in particular to a TFT-LCD photoelectric glass conveying on-line weighing system and method.
Background
The existing on-line weighing technology in TFT-LCD photoelectric glass conveying is as follows: two weighing stations are arranged in conveying, wherein one station is used for weighing an empty vehicle carrying plate, the other station is used for weighing the vehicle carrying plate with the TFT-LCD photoelectric glass, and the mass of the TFT-LCD photoelectric glass is the difference value of the two weighing.
The technology has the following defects that 1) the two times of weighing have accumulated errors, and the weighing accuracy is unstable; 2) Glass conveying and weighing are relatively complex and high in cost.
Disclosure of Invention
The invention provides a TFT-LCD photoelectric glass conveying on-line weighing system and method, aiming at the problem of unstable accuracy of accumulated errors existing in two times of weighing in the prior art.
The invention is realized by the following technical scheme:
a TFT-LCD photoelectric glass conveying on-line weighing system comprises a control system and a conveying system; the control system is connected with the power supply of the transportation system to realize the transmission of control signals between the control system and the transportation system;
the transportation system comprises a vehicle carrying plate putting-in and replacing position, a vehicle carrying plate ID identification position, a weighing station, a vehicle carrying plate and a transportation mechanism; the vehicle carrying plate enters the conveying mechanism from the position where the vehicle carrying plate is put into the replacement position, and sequentially passes through the weighing station and the vehicle carrying plate ID identification position along with the conveying mechanism; the transportation mechanism carries out circular transportation between the weighing station and the ID identification position of the vehicle carrying plate; loading TFT-LCD photoelectric glass into the vehicle carrying plate before the vehicle carrying plate is conveyed to a weighing station; unloading the TFT-LCD photoelectric glass after passing through a weighing station;
the ID identification position of the vehicle carrying plate is provided with an ID identification device, and the ID identification device is provided with an ID identification sensor for identifying the identity of the vehicle carrying plate; a weighing device is arranged on the weighing station, and the weighing device comprises a weighing auxiliary mechanism and a weighing sensor; the weighing sensor is arranged on the weighing auxiliary mechanism.
Preferably, the input end of the control system is respectively connected with the data input device, the weighing module and the ID input module; the output end of the control system is respectively connected with the control module and the driving module; the input end of the weighing module is connected with a weighing sensor; the input end of the ID input module is connected with an ID recognition sensor; the output end of the control module is respectively connected with the subtracter and the human-computer interaction module; the output end of the driving module is connected with the transportation system.
Preferably, the weighing auxiliary mechanism comprises a weighing lifting device, a weighing platform and a weighing support device, and the weighing support device is connected with the weighing platform through a weighing sensor; one end of the weighing and lifting device is fixed on the weighing platform, and the other end of the weighing and lifting device jacks up the vehicle carrying plate.
Preferably, the vehicle carrying plate opens or closes the placing part of the vehicle carrying plate through the vehicle carrying plate opening and closing device.
Preferably, the vehicle carrying plate is provided with an ID code.
Preferably, the control system adopts a PLC control system.
A TFT-LCD photoelectric glass conveying on-line weighing method is based on the on-line weighing system and comprises the following steps:
step 2, loading TFT-LCD photoelectric glass into a transportation mechanism of the vehicle carrying plate, and entering a weighing station;
and 4, after the vehicle carrying plate leaves the weighing station, the vehicle carrying plate opening and closing device opens the vehicle carrying plate, the weighed TFT-LCD photoelectric glass is unloaded and is conveyed to an ID recognition position of the vehicle carrying plate, the ID code in the vehicle carrying plate is recognized through the ID recognition device, data of the vehicle carrying plate is confirmed, and the TFT-LCD photoelectric glass is weighed on line for a new round through the conveying mechanism.
Preferably, in the step 3, a subtracter is adopted in the control system to calculate data, and the tare weight data of the vehicle carrying plate before transportation is subtracted from the weighing data of the vehicle carrying plate after passing through the weighing station to obtain the weight of the TFT-LCD photoelectric glass.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a TFT-LCD photoelectric glass conveying on-line weighing system, which realizes the on-line one-time weighing of the TFT-LCD photoelectric glass conveying through a control system and a transportation system; the vehicle carrying plate ID identification station collects the current vehicle carrying plate ID information through an ID identification sensor, so that the control system can automatically bind the ID information during the rear-end conveying of the vehicle carrying plate; the tare weight data of the vehicle carrying plate is input into the control system, when the vehicle carrying plate is automatically conveyed, the control system calculates the quality of the TFT-LCD photoelectric glass clamped by the vehicle carrying plate according to the weighing data and the tare weight data input before conveying by the weighing sensor in the weighing station, so that one-time weighing is realized, the glass conveying and weighing process is simplified, and the weighing accuracy is improved.
Furthermore, the data acquired by the data acquisition is effectively output in the control system, and the quality of the TFT-LCD photoelectric glass is calculated at one time through the control system, so that the calculation accuracy is improved.
Furthermore, in the weighing auxiliary mechanism, a weighing support device and a weighing platform are connected through a weighing sensor; weighing and lifting device one end is fixed on the weighing platform, and the other end jack-up carries the sweep setting, and weighing and lifting device lifts up and carries the sweep, and weighing sensor is effectual to have gathered weighing data, has improved weighing data acquisition's accuracy.
Furthermore, after the vehicle carrying plate is opened through the vehicle carrying plate opening and closing device, the TFT-LCD photoelectric glass is filled in, so that weighing data can be conveniently collected in a weighing station in the later period, and the vehicle carrying plate is closed through the vehicle carrying plate opening and closing device, so that the TFT-LCD photoelectric glass is prevented from falling off.
Furthermore, the vehicle carrying plate is provided with an ID code, so that identification and authentication can be conveniently carried out on the ID identification position of the vehicle carrying plate through an ID identification sensor.
Furthermore, the control system adopts a PLC control system, the TFT-LCD photoelectric glass is reliably weighed, and the weighing accuracy is improved.
A TFT-LCD photoelectric glass conveying on-line weighing method includes inputting tare weight data of a vehicle carrying plate in a control system, acquiring weighing data of the vehicle carrying plate with the TFT-LCD photoelectric glass by a weighing sensor in a weighing station, calculating the quality of the TFT-LCD photoelectric glass clamped by the vehicle carrying plate by the control system according to the weighing data and the tare weight data input before transportation to realize one-time weighing, effectively eliminating weighing accumulated errors by reducing the number of the vehicle carrying plate on-line automatic weighing stations and reducing the number of times of automatic weighing of the vehicle carrying plate, enabling weighing accuracy to be more stable, simplifying conveying and weighing complexity of the vehicle carrying plate and effectively reducing device cost.
Furthermore, the control system adopts a subtracter to perform data calculation, and the tare weight data of the vehicle carrying plate before transportation is subtracted from the weighing data of the vehicle carrying plate after passing through the weighing station to obtain the weight of the TFT-LCD photoelectric glass, so that repeated weighing is avoided, and the accuracy of the weighing data is improved.
Drawings
FIG. 1 is a top view of a TFT-LCD photoelectric glass transportation and weighing process in the present invention;
FIG. 2 is a schematic view of the structure of the auxiliary weighing mechanism of the present invention;
fig. 3 is a schematic structural diagram of a control system according to the present invention.
In the figure: 1-a control system; 2, putting the vehicle carrying plate into a replacement position; 3-vehicle carrying board ID identification position; 4-a weighing station; 5, carrying a vehicle board; 6-ID code; 7-a weighing device; 8-ID identification means; 9-TFT-LCD photoelectric glass; 10-a vehicle carrying board opening and closing device; 71-a weighing aid mechanism; 72-a load cell; 711-weighing and lifting device; 712-a weighing platform; 713-title support device.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
The invention provides a TFT-LCD photoelectric glass conveying on-line weighing system, which comprises a control system 1 and a transportation system, wherein the control system is shown in figure 1; the control system 1 is connected with a power supply of the transportation system to realize the transmission of control signals between the control system 1 and the transportation system;
the transportation system comprises a vehicle carrying plate putting-in replacing position 2, a vehicle carrying plate ID recognition position 3, a weighing station 4, a vehicle carrying plate 5 and a transportation mechanism; the vehicle carrying plate 5 enters the conveying mechanism from the position where the vehicle carrying plate is put into the replacement position 2, and sequentially passes through the weighing station 4 and the vehicle carrying plate ID recognition position 3 along with the conveying mechanism; the conveying mechanism circularly conveys the materials between the weighing station 4 and the vehicle carrying plate ID identification position 3; the loading plate 5 is loaded with TFT-LCD photoelectric glass 9 before being transported to the weighing station 4; the TFT-LCD photoelectric glass 9 is unloaded after passing through the weighing station 4; the vehicle carrying plate ID recognition position 3 is provided with an ID recognition device 8, and the ID recognition device 8 is provided with an ID recognition sensor for recognizing the identity of the vehicle carrying plate 5;
a weighing device 7 is arranged on the weighing station 4, the weighing device 7 comprises a weighing auxiliary mechanism 71 and a weighing sensor 72, and as shown in fig. 2, the weighing sensor 72 is arranged on the weighing auxiliary mechanism 71; the weighing auxiliary mechanism 71 comprises a weighing lifting device 711, a weighing platform 712 and a weighing support device 713, wherein the weighing support device 713 is connected with the weighing platform 712 through a weighing sensor 72; one end of the weighing and lifting device 711 is fixed on the weighing platform 712, and the other end of the weighing and lifting device jacks up the vehicle carrying plate 5.
According to fig. 3, the input end of the control system 1 is connected with a data input device, a weighing module and an ID input module, respectively; the output end of the control system 1 is respectively connected with the control module and the driving module; the input end of the weighing module is connected with a weighing sensor 72; the input end of the ID input module is connected with an ID recognition sensor; the output end of the control module is respectively connected with the subtracter and the human-computer interaction module; the output end of the driving module is connected with the transportation system.
The vehicle carrying plate 5 opens or closes the placing part of the vehicle carrying plate 5 through the vehicle carrying plate opening and closing device 10, so that the TFT-LCD photoelectric glass 9 can be conveniently loaded or unloaded; after the vehicle carrying plate 5 is opened through the vehicle carrying plate opening and closing device 10, the TFT-LCD photoelectric glass 9 is filled in, weighing data can be conveniently collected in the weighing station 4 at the later stage, and the vehicle carrying plate 5 is closed through the vehicle carrying plate opening and closing device 10, so that the TFT-LCD photoelectric glass 9 is prevented from falling.
The vehicle carrying plate 5 is provided with an ID code 6; the vehicle carrying plate ID identification position 3 is convenient to identify and authenticate through an ID identification sensor.
According to the invention, the control system 1 adopts a PLC control system, the TFT-LCD photoelectric glass 9 is reliably weighed, and the weighing accuracy is improved. The human-computer interaction module adopts an HMI human-computer operation interface; the conveying mechanism adopts a conveyor belt, the vehicle carrying plate 5 is a device for clamping the glass plate to carry, weigh and the like, and the specific part of the vehicle carrying plate is provided with an ID code 6.
A TFT-LCD photoelectric glass conveying on-line weighing method comprises the following steps:
step 2, loading TFT-LCD photoelectric glass 9 into the transportation mechanism of the vehicle carrying plate 5, and entering a weighing station 4;
and 4, after the vehicle carrying plate 5 leaves the weighing station 4, the vehicle carrying plate opening and closing device 10 opens the vehicle carrying plate 5, unloads the weighed TFT-LCD photoelectric glass 9, transports the TFT-LCD photoelectric glass to the vehicle carrying plate ID recognition position 3, recognizes the ID code 6 in the vehicle carrying plate 5 through the ID recognition device 8, confirms the data of the vehicle carrying plate 5, and carries out the on-line weighing of the TFT-LCD photoelectric glass 9 again through the transmission mechanism.
And a subtracter is adopted in the control system 1 for data calculation, and the tare weight data of the vehicle carrying plate 5 before transportation is subtracted from the weighing data of the vehicle carrying plate 5 passing through the weighing station 4 to obtain the weight of the TFT-LCD photoelectric glass 9.
In the invention, the vehicle carrying plate ID identification position 3 is used for carrying out ID acquisition on the vehicle carrying plate 5 passing through the station by the control system 1, and the acquired ID information is transmitted to the control system 1; the ID code 6 is associated with information such as tare of the corresponding vehicle carrying plate 5 in the control system 1, and the tare refers to vehicle carrying plate quality data input by an HMI (human machine interface) when the vehicle carrying plate is put into replacement by manual work.
In the invention, the tare weight data of the vehicle carrying plate 5 is input into the control system 1, and the tare weight and ID information are manually input into the HMI when the vehicle carrying plate 5 is newly put into or replaced. When the vehicle carrying plate 5 is automatically conveyed, the control system 1 collects current vehicle carrying plate ID information through the ID recognition device 8 at the vehicle carrying plate ID recognition position 3, the vehicle carrying plate 5 automatically binds the ID information in rear conveying, the vehicle carrying plate 5 only needs to be weighed once at the weighing station 4, the control system can calculate the mass of the TFT-LCD photoelectric glass 9 clamped by the vehicle carrying plate according to weighing data and the tare weight in the binding information, the accumulated weighing error is eliminated by only once weighing, and the weighing accuracy is more stable.
Claims (6)
1. The TFT-LCD photoelectric glass conveying on-line weighing system is characterized by comprising a control system (1) and a conveying system; the control system (1) is connected with a power supply of the transportation system to realize control signal transmission between the control system (1) and the transportation system;
the transportation system comprises a vehicle carrying plate feeding and replacing position (2), a vehicle carrying plate ID recognition position (3), a weighing station (4), a vehicle carrying plate (5) and a transportation mechanism; the vehicle carrying plate (5) enters the conveying mechanism from the vehicle carrying plate throwing replacement position (2), and sequentially passes through the weighing station (4) and the vehicle carrying plate ID identification position (3) along with the conveying mechanism; the conveying mechanism circularly conveys the materials between the weighing station (4) and the vehicle carrying plate ID identification position (3); the loading vehicle plate (5) is loaded with TFT-LCD photoelectric glass (9) before being transported to the weighing station (4); the TFT-LCD photoelectric glass (9) is unloaded after passing through the weighing station (4);
an ID recognition device (8) is arranged on the vehicle carrying plate ID recognition position (3), and an ID recognition sensor is arranged on the ID recognition device (8) and used for recognizing the identity of the vehicle carrying plate (5);
an ID code (6) is arranged on the vehicle carrying plate (5);
a weighing device (7) is arranged on the weighing station (4), and the weighing device (7) comprises a weighing auxiliary mechanism (71) and a weighing sensor (72); the weighing sensor (72) is arranged on the weighing auxiliary mechanism (71);
the weighing auxiliary mechanism (71) comprises a weighing lifting device (711), a weighing platform (712) and a weighing support device (713), and the weighing support device (713) is connected with the weighing platform (712) through a weighing sensor (72); one end of the weighing and lifting device (711) is fixed on the weighing platform (712), and the other end jacks up the vehicle carrying plate (5).
2. The TFT-LCD photoelectric glass conveying on-line weighing system of claim 1, wherein the input end of the control system (1) is respectively connected with a data input device, a weighing module and an ID input module; the output end of the control system (1) is respectively connected with the control module and the driving module; the input end of the weighing module is connected with a weighing sensor (72); the input end of the ID input module is connected with an ID recognition sensor; the output end of the control module is respectively connected with the subtracter and the human-computer interaction module; the output end of the driving module is connected with the transportation system.
3. The TFT-LCD photoelectric glass conveying online weighing system according to claim 1, wherein the vehicle carrying plate (5) opens or closes the placing part of the vehicle carrying plate (5) through a vehicle carrying plate opening and closing device (10).
4. A TFT-LCD photoelectric glass conveying on-line weighing system according to claim 1, characterized in that the control system (1) adopts a PLC control system.
5. A TFT-LCD photoelectric glass conveying on-line weighing method is characterized in that the on-line weighing system based on any one of claims 1 to 4 comprises the following steps:
step 1, putting a vehicle carrying plate (5) on a vehicle carrying plate putting replacement position (2), and collecting tare weight data and an ID code (6) of the vehicle carrying plate (5) by a control system (1);
step 2, loading TFT-LCD photoelectric glass (9) into a transport mechanism of the vehicle carrying plate (5), and entering a weighing station (4);
step 3, weighing the vehicle carrying plate (5) with the TFT-LCD photoelectric glass (9) in the weighing station (4) through a weighing device (7), collecting weighing data by the control system (1), and performing system calculation by the control system (1) according to tare weight data input by the vehicle carrying plate (5) before transportation and the collected weighing data of the vehicle carrying plate (5) after passing through the weighing station (4) to obtain the weight of the TFT-LCD photoelectric glass (9), so as to realize one-time weighing of the TFT-LCD optical glass (9) on line;
and 4, after the vehicle carrying plate (5) leaves the weighing station (4), the vehicle carrying plate opening and closing device (10) opens the vehicle carrying plate (5), the weighed TFT-LCD photoelectric glass (9) is unloaded and is transported to the vehicle carrying plate ID recognition position (3), the ID code (6) in the vehicle carrying plate (5) is recognized through the ID recognition device (8), the data of the vehicle carrying plate (5) is confirmed, and a new round of online weighing on the TFT-LCD photoelectric glass (9) is carried out through the transmission mechanism again.
6. The on-line weighing method for the TFT-LCD photoelectric glass conveying according to claim 5, characterized in that in the step 3, a subtracter is adopted in the control system (1) to perform data calculation, and tare weight data of the vehicle carrying plate (5) before transportation is subtracted from weighing data of the vehicle carrying plate (5) after passing through the weighing station (4) to obtain the weight of the TFT-LCD photoelectric glass (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011384509.2A CN112763032B (en) | 2020-11-30 | 2020-11-30 | TFT-LCD photoelectric glass conveying online weighing system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011384509.2A CN112763032B (en) | 2020-11-30 | 2020-11-30 | TFT-LCD photoelectric glass conveying online weighing system and method |
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| CN112763032A CN112763032A (en) | 2021-05-07 |
| CN112763032B true CN112763032B (en) | 2022-10-14 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5923001A (en) * | 1994-08-05 | 1999-07-13 | Surgical Resources, L.L.C. | Automatic surgical sponge counter and blood loss determination system |
| JP5314477B2 (en) * | 2009-03-31 | 2013-10-16 | アンリツ産機システム株式会社 | Weighing device |
| GB2515029B (en) * | 2013-06-10 | 2015-12-09 | Cashmaster Internat Ltd | Count-by-weight container identification system |
| US20180079556A1 (en) * | 2016-09-22 | 2018-03-22 | Tia Bodington | Reusable labeled coffee bean bag and method of operation |
| CN106682827A (en) * | 2016-12-24 | 2017-05-17 | 江苏宏宝工具有限公司 | Online management system for production line |
| CN108545220B (en) * | 2018-04-28 | 2023-12-29 | 苏州鸿博斯特超净科技股份有限公司 | Full-automatic particulate matter secondary counterweight packaging equipment and counterweight packaging method thereof |
| CN209102193U (en) * | 2018-10-12 | 2019-07-12 | 彩虹（合肥）液晶玻璃有限公司 | A kind of weighing device based on advanced lines base plate glass |
| CN111579035A (en) * | 2020-04-10 | 2020-08-25 | 彩虹集团有限公司 | TFT glass BOD procedure rapid dynamic weighing system and weighing method |
| CN111693126A (en) * | 2020-06-22 | 2020-09-22 | 中机中联工程有限公司 | Control method of online weighing device with identification system |
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