CN105676769A - Method for switching products on production line - Google Patents
Method for switching products on production line Download PDFInfo
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- CN105676769A CN105676769A CN201610003288.7A CN201610003288A CN105676769A CN 105676769 A CN105676769 A CN 105676769A CN 201610003288 A CN201610003288 A CN 201610003288A CN 105676769 A CN105676769 A CN 105676769A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25268—PLD programmable logic device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/40—Minimising material used in manufacturing processes
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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Abstract
The invention provides a method for switching products on a production line. Processes with connected functions are seen as an integral and classified into one module so that when switching products, a module controller will detect the integral module to determine whether there is any former product or not in the module; only when there is no former product in the integral module, a main PLC interlocking command signal corresponding to the module is changed to a shut-down signal by the module controller, and therefore devices inside the module can receive new products from upper-stream line; otherwise, even if there is no former product in some of the devices inside the module, but there is former product in some other devices, all of the devices in the module cannot receive new products; Under the premise of product quality not being influenced, the time and labor distribution for switching products or changing materials are greatly reduced, and system monitor can be performed to product quality to prevent Q-time overtime during new product transmission.
Description
Technical field
The present invention relates to the manufacture field of display device, particularly relate to a kind of method producing line replacing product.
Background technology
In display panels manufacturing, especially LTPS, TFT-LCD factory, automaticity is higher, and production is all carry out according to production line (Line). Production line refers to being put into by glass substrate, in succession carry out multiple production process, the general device cluster required by many distinct devices or different process is linked together and constitutes production line, to improve efficiency, in general one is produced line by a lot of equipment (Equipment, EQ) compositions, produce product line as shown in Figure 1 and include equipment 1,2,3 ... 11 ... wait a lot of equipment. But in order to tackle the market environment of outside, article one, the product producing line production is not unalterable, need to carry out the quick switching of product, thus needing the material that production line is put into, device parameter, apparatus and process index etc. to switch over, the equipment switching under technology today background is all complete with reference to below scheme:
Scheme one: whole piece is produced line at goods (WorkInProduc, WIP) empty, then the product that (loading) is new is reloaded, the line operation principle of producing of this kind of scheme is the equipment 1 that will produce on line, 2 ... 11 ... wait the material in all devices all to discharge, then from first equipment charging; The advantage of the program one is be possible to prevent between the product of each model to obscure, and shortcoming is longer for the switching product time, will sacrifice a lot of production capacity;
Scheme two: empty the product of each EQ successively, and accept new product successively, the product line operation principle of this kind of scheme for being divided into several part by a lot of equipment, put into as it is shown in figure 1, equipment 1,2 is ready for accepting new material after emptying material, what be sequentially carried out equipment 3,4,5 empties input etc.; The advantage of the program two is that conversion time is short, when shortcoming for there being Q-time (time entering next operation within a time to ensure product quality must assure that) to limit between board and board, the risk of Q-time time-out can be there is, cause product rejection.
Summary of the invention
It is an object of the invention to provide a kind of method that product changed by line of producing, the time that shortening switching product spends, it is prevented that new old product is obscured, and it is not overtime to control new product Q-time.
For achieving the above object, the present invention provides a kind of and produces the method that product changed by line, comprises the following steps:
Step 1, with the equipment of each operation producing line, module controller being set up communication connection respectively, this module controller is produce each equipment distribution PLC point position in line, this block controller whole product line of control; The all process steps produced on line is in turn divided into several module, each module includes at least one procedure, operation in each module is functionally connected, and is set according to these several modules respectively by all process steps produced on line in the program setting of PLC simultaneously;
Step 2, empty old product in each module successively, and accept new product successively;
When the module of upstream prepares to transfer product to next module adjacent, module controller detects the product quantity in the equipment of each operation in this next module in real time, and carries out the calculating of product quantity in this next module;
If the product quantity in this next module is 0, then module controller is by the main PLC interlocking signal of next module becoming OFF signal, after in this next module, the relevant device in corresponding operation detects this OFF signal, this equipment accepts the product transferred from up-stream module;
If the product quantity in this next module is not 0, then module controller continues to judge that whether the product type that the product in this next module transfers with up-stream module is consistent, if it is consistent, then module controller is by the main PLC interlocking signal of next module becoming OFF signal, after in this next module, the relevant device in corresponding operation detects this OFF signal, this equipment accepts the product transferred from up-stream module; If inconsistent, then module controller is by the main PLC interlocking signal of next module becoming ON signal, and after in this lower module, the relevant device of corresponding operation detects this ON signal, this equipment does not accept the product transferred from up-stream module.
In described step 1, described module controller is communicated to connect with the equipment of each operation in each module respectively by CC-LinkIE.
In described step 2, described module controller detects the product quantity in the equipment of each operation in real time by CC-LinkIE, and carry out this operation the calculating of product quantity in the module.
Described module controller is produce each equipment distribution PLC point position in line, with the quantity of the various products that real-time update is produced in line in all devices.
Operation in each module is functionally connected, and referring to the duration being entered subsequent processing by a upper operation can affect the adjacent operation of product quality.
The polyimides processing procedure that described product line is display floater produces line.
Described polyimides processing procedure produces each operation in line and is followed successively by glass substrate input operation, cleaning glass substrate operation, glass substrate drying process, moves operation, polyimides liquid painting process, prebake conditions operation, high-temperature baking operation and discharge operation.
In described step 1, the glass substrate input operation produced by polyimides processing procedure successively in line is divided into the first module, cleaning glass substrate operation and glass substrate drying process are divided into the second module, moving operation, polyimides liquid painting process and prebake conditions operation and be divided into three module, high-temperature baking operation is divided into the 4th module with discharging operation.
Beneficial effects of the present invention: the method for product changed by product line provided by the invention, operation function communicated is regarded an entirety as and is divided in same module, so when switching product, module controller can detect the product whether this whole module has been friends in the past inside, only when there is no old product in this whole module, module controller just can by the main PLC interlocking signal of module becoming OFF signal, equipment in this module could receive new product from upstream, even if otherwise some equipment in this module have not had old product, but also have old product in other equipment, then the equipment in this module all can not receive new product,Thus under the premise not affecting product quality, time and manpower needed for can significantly reducing production switch line or changing material distribute, and product quality can be carried out system monitoring, can prevent new product from Q-time time-out occurring in transmission process.
In order to be able to be further understood that inventive feature and technology contents, refer to the detailed description below in connection with the present invention and accompanying drawing, but accompanying drawing only provides reference and use is described, be not used for the present invention is any limitation as.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is described in detail, technical scheme and other beneficial effect will be made apparent.
In accompanying drawing,
Fig. 1 is a kind of structural representation producing and producing line;
Fig. 2 is the FB(flow block) of the step 2 of the method producing line replacing product of the present invention;
Fig. 3 is the schematic diagram of an embodiment of the method producing line replacing product of the present invention.
Detailed description of the invention
For further setting forth the technological means and effect thereof that the present invention takes, it is described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
The present invention provides a kind of and produces the method that product changed by line, comprises the following steps:
Step 1, by module controller (BlockControl, BC) communication connection is set up with the equipment of each operation producing line respectively, this module controller is that each equipment distribution PLC (programmable logic controller (PLC)) produced in line puts position, and this block controller controls whole product line; The all process steps produced on line is in turn divided into several module, each module includes at least one procedure, operation in each module is functionally connected, and is set according to these several modules respectively by all process steps produced on line in the program setting of PLC simultaneously;
Concrete, the operation in each module is functionally connected, and referring to the duration being entered subsequent processing by a upper operation can affect the adjacent operation of product quality, namely has the operation of Q-time restriction between adjacent operation.
Concrete, in described step 1, described module controller is communicated to connect with the equipment of each operation in each module respectively by CC-LinkIE.
Step 2, empty old product in each module successively, and accept new product successively;
Concrete, as in figure 2 it is shown, when the module of upstream prepares to transfer product to next module adjacent, module controller detects the product quantity in the equipment of each operation in this next module, and carries out the calculating of product quantity in this next module.
Concrete, if the product quantity in this next module is 0, by to the main PLC interlocking signal (MPLCInterlockCommand) of next module becoming OFF signal (OFF), after in this next module, the relevant device of corresponding operation detects the OFF signal of this main PLC interlocking signal, then the product that the acceptance of this equipment transfers from up-stream module.
If the product quantity in this next module is not 0, module controller continues to judge that whether the product type that the product in this next module device transfers with up-stream module is consistent; If consistent, by the main PLC interlocking signal of next module becoming OFF signal, the equipment Inspection in this next module after the OFF signal of main PLC interlocking signal, then accepts the product transferred from up-stream module; If it is inconsistent, by to the main PLC interlocking signal of next module becoming ON signal (ON), equipment Inspection in this next module to should next module main PLC interlocking signal ON signal after, then this equipment does not accept the product that transfers from up-stream module.
Concrete, in described step 2, module controller detects the product quantity in the equipment of each operation in real time by CC-LinkIE, and carry out this operation the calculating of product quantity in the module.
Concrete, module controller is produce each equipment distribution PLC point position in line, for the quantity of the various products of each device interior of real-time update.
The present invention produces the method that product changed by line, principle is, operation function communicated regards an entirety as, the program setting of PLC is also unified as a whole module, so when switching product, the module controller that product line is controlled can detect the product whether haveing been friends in the past in this module, only when all there is no old product in all devices in this module, module controller just can by the main PLC interlock command signal of module becoming OFF signal, equipment in this module could receive new product from upstream, even if otherwise there is no old product in the equipment component in this module, but the product still haveing been friends in the past in another part equipment in this module, this module can not receive new product.
Concrete, line is produced for polyimides (PI) processing procedure of display floater, as it is shown on figure 3, polyimides processing procedure produce line mainly include successively glass substrate put into operation (LD), cleaning glass substrate operation (BPC), glass substrate drying process (BPI), by mechanical hand or transmit equipment carrying substrate move operation (Transfer), polyimides liquid painting process (Coater), prebake conditions operation (PPO), high-temperature baking operation (Oven), discharge operation (ULD).
Concrete, line is produced for this polyimides processing procedure, successively LD is divided into the first module (part1), BPC, BPI are divided into the second module (part2), Transfer, Coater and PPO are divided into three module (part3), Oven and ULD is divided into the 4th module (part4).
According to technological quality requirement, a plate base, after Coater processing procedure terminates, within the time of regulation, need to carry out processing procedure as entered in PPO board in 15min, Q-time time-out otherwise can occur; Transfer, Coater and PPO are divided into a module, module controller can detect the quantity of product in each equipment of these three in-process in real time, only when the product of the equipment of 3 operations adds up to 0, just can by the MPLCInterlockCommond of three module should becoming the equipment sensing of signal OFF, Transfer operation and just can receive new product from upstream after this signal OFF; Thus shortening the time that switching product spends, it is prevented that new old product is obscured, and it is not overtime to control new product Q-time.
In sum, the method of product changed by product line provided by the invention, operation function communicated is regarded an entirety as and is divided in same module, so when switching product, module controller can detect the product whether this whole module has been friends in the past inside, only when there is no old product in this whole module, module controller just can by the main PLC interlock command signal of module becoming OFF signal, equipment in this module could receive new product from upstream, even if otherwise some equipment in this module have not had old product, but also have old product in other equipment, then the equipment in this module all can not receive new product, thus under the premise not affecting product quality, time and manpower needed for can significantly reducing production switch line or changing material distribute, and product quality can be carried out system monitoring, can prevent new product from Q-time time-out occurring in transmission process.
The above, for the person of ordinary skill of the art, it is possible to conceive according to technical scheme and technology and make other various corresponding changes and deformation, and all these change and deform the protection domain that all should belong to the claims in the present invention.
Claims (8)
1. one kind is produced the method that product changed by line, it is characterised in that comprise the following steps:
Step 1, with the equipment of each operation producing line, module controller being set up communication connection respectively, this module controller is produce each equipment distribution PLC point position in line, this block controller whole product line of control; The all process steps produced on line is in turn divided into several module, each module includes at least one procedure, operation in each module is functionally connected, and is set according to these several modules respectively by all process steps produced on line in the program setting of PLC simultaneously;
Step 2, empty old product in each module successively, and accept new product successively;
When the module of upstream prepares to transfer product to next module adjacent, module controller detects the product quantity in the equipment of each operation in this next module in real time, and carries out the calculating of product quantity in this next module;
If the product quantity in this next module is 0, then module controller is by the main PLC interlocking signal of next module becoming OFF signal, after in this next module, the relevant device in corresponding operation detects this OFF signal, this equipment accepts the product transferred from up-stream module;
If the product quantity in this next module is not 0, then module controller continues to judge that whether the product type that the product in this next module transfers with up-stream module is consistent, if it is consistent, then module controller is by the main PLC interlocking signal of next module becoming OFF signal, after in this next module, the relevant device in corresponding operation detects this OFF signal, this equipment accepts the product transferred from up-stream module; If inconsistent, then module controller is by the main PLC interlocking signal of next module becoming ON signal, and after in this lower module, the relevant device of corresponding operation detects this ON signal, this equipment does not accept the product transferred from up-stream module.
2. the method producing line replacing product as claimed in claim 1, it is characterised in that in described step 1, described module controller is communicated to connect with the equipment of each operation in each module respectively by CC-LinkIE.
3. the method producing line replacing product as claimed in claim 2, it is characterized in that, in described step 2, described module controller detects the product quantity in the equipment of each operation in real time by CC-LinkIE, and carry out this operation the calculating of product quantity in the module.
4. the method producing line replacing product as claimed in claim 1, it is characterised in that described module controller is produce each equipment distribution PLC point position in line, with the quantity of the various products that real-time update is produced in line in all devices.
5. the method producing line replacing product as claimed in claim 1, it is characterised in that the operation in each module is functionally connected, referring to the duration being entered subsequent processing by a upper operation can affect the adjacent operation of product quality.
6. the method producing line replacing product as claimed in claim 1, it is characterised in that the polyimides processing procedure that described product line is display floater produces line.
7. the method producing line replacing product as claimed in claim 6, it is characterized in that, described polyimides processing procedure produces each operation in line and is followed successively by glass substrate input operation, cleaning glass substrate operation, glass substrate drying process, moves operation, polyimides liquid painting process, prebake conditions operation, high-temperature baking operation and discharge operation.
8. the method producing line replacing product as claimed in claim 7, it is characterized in that, in described step 1, the glass substrate input operation produced by polyimides processing procedure successively in line is divided into the first module, cleaning glass substrate operation and glass substrate drying process are divided into the second module, moving operation, polyimides liquid painting process and prebake conditions operation and be divided into three module, high-temperature baking operation is divided into the 4th module with discharging operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610003288.7A CN105676769B (en) | 2016-01-04 | 2016-01-04 | The method that producing line replaces product |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610003288.7A CN105676769B (en) | 2016-01-04 | 2016-01-04 | The method that producing line replaces product |
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| CN105676769A true CN105676769A (en) | 2016-06-15 |
| CN105676769B CN105676769B (en) | 2018-07-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774206A (en) * | 2016-12-22 | 2017-05-31 | 武汉华星光电技术有限公司 | A kind of liquid crystal panel baking board is anti-to bake system and method excessively |
| CN109347673A (en) * | 2018-10-26 | 2019-02-15 | 苏州华兴源创科技股份有限公司 | A kind of PLC means of communication, device, equipment and storage medium |
| CN109976245A (en) * | 2019-03-19 | 2019-07-05 | 珠海格力智能装备有限公司 | Equipment model switching method and device and production line |
| CN112419082A (en) * | 2020-11-18 | 2021-02-26 | 广东赛意信息科技有限公司 | Intelligent production transfer method based on electronic flexible manufacturing |
| CN116995290A (en) * | 2023-09-28 | 2023-11-03 | 宁德时代新能源科技股份有限公司 | Battery manufacturing method and system |
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| CN112419082A (en) * | 2020-11-18 | 2021-02-26 | 广东赛意信息科技有限公司 | Intelligent production transfer method based on electronic flexible manufacturing |
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| CN116995290A (en) * | 2023-09-28 | 2023-11-03 | 宁德时代新能源科技股份有限公司 | Battery manufacturing method and system |
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|---|---|
| CN105676769B (en) | 2018-07-13 |
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