CN106843129A - Automotive welding production line spot welding data-management application method - Google Patents
Automotive welding production line spot welding data-management application method Download PDFInfo
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- CN106843129A CN106843129A CN201710154695.2A CN201710154695A CN106843129A CN 106843129 A CN106843129 A CN 106843129A CN 201710154695 A CN201710154695 A CN 201710154695A CN 106843129 A CN106843129 A CN 106843129A
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- welding
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- host computer
- real time
- pinpoint
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Classifications
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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
- G05B19/054—Input/output
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- 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
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
Abstract
The invention discloses a kind of automotive welding production line spot welding data-management application method, including host computer, welding machine group control system database, welding robot control PLC, host computer gathers the first pinpoint welding procedure real time data from welding machine group control system database, welding robot control PLC uploads the second pinpoint welding procedure real time data to host computer, host computer is by the first pinpoint welding procedure real time data, second pinpoint welding procedure real time data, solder joint is numbered and vehicle identity information is bound, treatment, analyze data variation tendency, generation welding procedure data analysis report, data query is realized in host computer, data display and real-time early warning, realize the point quality information tracing of vehicle Life cycle.The present invention can effectively manage the real time data in welding process, and spot-welding technology data are bound with the vehicle information for currently producing vehicle automatically；Spot-welding technology data variation trend can be analyzed, to indicate operator in time.
Description
Technical field
The present invention relates to automobile assembling technical field, and in particular to a kind of automotive welding production line spot welding data-management application
Method.
Background technology
At present, resistance spot welding is still most important connected mode in white car body assembling, and quality of welding spot is directly affected
The security reliability and assembling deviation of vehicle body, therefore, spot welding data management is very great to auto industry meaning.
Tradition sled inspection method and ultrasound examination are confined to the scope of small sample, and lack real-time.And for example CN
" distributed soldering point quality monitoring system and method " that 100517149C is recorded, the patent is received using distributed node slave computer
The displacement of servo torch feedback electrode calculates weld indentation, is sent to CAN, and quality of welding spot information is completed by monitoring host computer
Statistics and management, and solder joint matching modification information is sent to slave computer, refresh judge the whether qualified java standard library of solder joint in real time,
And the unqualified welding spot counter that resets, while the time data according to record is stored, for checking.But the method is present such as
Lower shortcoming：
（1）Distributed node slave computer element is more and complicated, is easily splashed by welding scene and spark is influenceed, and current its function is
Replaced by welding machine controller, spot-welding technology data can real-time and accurately be gathered by controller on-line monitoring and controlling soft；
（2）Quality of welding spot is reflected with weld indentation, the method is not objective enough, and the weld indentation of same depth has no current to pass through
Can cause；
（3）According to time data check and be unfavorable for that later stage quality of welding spot is reviewed, and solder joint numbering, quality of welding spot not with vehicle
Identity information is bound, and is unfavorable for that the quality information record of vehicle Life cycle is safeguarded；
（4）Solder joint monitoring system cannot realize the analysis to real-time spot-welding technology data variation trend, it is impossible to realize butt welding machine control
The predictive maintenance early warning of device processed.
Therefore, it is necessary to develop a kind of new automotive welding production line spot welding data-management application method.
The content of the invention
It is an object of the invention to provide a kind of automotive welding production line spot welding data-management application method, weldering can be effectively managed
Real time data in termination process, and spot-welding technology data are bound with the vehicle information for currently producing vehicle automatically；
Spot-welding technology data variation trend can be analyzed, operator is indicated in time, and generate welding procedure data analysis report on demand
Accuse, for welding procedure engineer optimize technique, lifting welding process quality provide data supporting.
Automotive welding production line spot welding data-management application method of the present invention, including host computer, welding machine team control system
System database, welding robot control PLC, the host computer gather the first pinpoint welding procedure reality from welding machine group control system database
When data, the welding robot control PLC uploads the second pinpoint welding procedure real time data to host computer, and host computer is by the first spot welding
Process real time data, the second pinpoint welding procedure real time data, solder joint numbering and vehicle identity information are bound, are processed, and analyze number
According to variation tendency, welding procedure data analysis report is generated, data query, data display and pre- in real time are realized in host computer
It is alert, realize the point quality information tracing of vehicle Life cycle.
When the first pinpoint welding procedure real time data includes weld interval, welding current, conduction ratio, pressing time, maintenance
Between, the stop time；
The second pinpoint welding procedure real time data includes electrode pressure.
The data query refers to be inquired about according to solder joint numbering, vehicle identity information search condition；
The data display refers to the welding current of bicycle multiple spot, electrode pressure, the variation tendency of conduction ratio and Duo Che single-points
Welding current, electrode pressure, the variation tendency of conduction ratio be shown by chart；
The real-time early warning refers to carry out early warning value setting to critical data, and the critical data includes welding current, electrode pressure
And conduction ratio, when critical data reaches setting number of times beyond the number of times of early warning value, host computer triggers early warning automatically, to point out work
Artist person or site administrator are processed.
The vehicle identity information is vehicle VIN.
The host computer numbers and vehicle the first pinpoint welding procedure real time data, the second pinpoint welding procedure real time data, solder joint
Identity information bound, process after, each data are shown with list mode, and Abnormal welding point is highlighted.
Beneficial effects of the present invention：The present invention realizes the spot-welding technology data in effectively management welding process, automatically will
The spot-welding technology data for collecting are bound with the vehicle information for currently producing vehicle.Realize real-time analysis site welder
Skill data variation trend, indicates operator in time, and can on demand generate welding procedure data analysis report, is welding
Process engineer's optimize technique provides data supporting, promotes product quality to be lifted by optimize technique.
Brief description of the drawings
Fig. 1 is data transfer schematic diagram in the present invention；
Fig. 2 is welding machine group control system data type schematic diagram in the present invention；
Fig. 3 is the system interface schematic diagram of host computer in the present invention；
Fig. 4 is welding procedure data analysis report schematic diagram in the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Automotive welding production line spot welding data-management application method as shown in Figure 1, including host computer, welding machine group control system
Database, welding robot control PLC, host computer, welding machine group control system database, welding robot control PLC are by industry
Ethernet is connected.The host computer gathers the first pinpoint welding procedure real time data from welding machine group control system database；The welding
Robot control PLC uploads the second pinpoint welding procedure real time data to host computer；Host computer passes through AIMS（I.e. automobile intelligent manufactures system
System）Systems soft ware numbers and vehicle identity information the first pinpoint welding procedure real time data, the second pinpoint welding procedure real time data, solder joint
Bound（It is saved in the database of server after binding）, treatment, analyze data variation tendency, generate welding procedure data
Analysis report.Data query, data display and real-time early warning are realized in host computer, the spot welding matter of vehicle Life cycle is realized
Amount information tracing.Wherein：The data query refers to be inquired about according to solder joint numbering, vehicle identity information search condition.Institute
It refers to the welding to the welding current of bicycle multiple spot, electrode pressure, the variation tendency of conduction ratio and Duo Che single-points to state data display
Electric current, electrode pressure, the variation tendency of conduction ratio are shown by chart.The real-time early warning refers to that critical data is carried out
Early warning value is set, and the critical data includes welding current, electrode pressure and conduction ratio, when critical data is beyond the number of times of early warning value
When reaching setting number of times, host computer triggers early warning automatically, to point out technologist or site administrator to be processed.
In the present invention, the vehicle identity information uses vehicle VIN, and host computer is from factory's MES system（That is manufacturing enterprise's life
Product process execution system）Vehicle VIN is obtained by text mode.Solder joint numbering imports AIMS systems by process engineer's batch.
As shown in figure 1, host computer gathers the first pinpoint welding procedure real time data from welding machine group control system database including：Weldering
Connect the time, welding current, conduction ratio, pressing time, hold time, the stop time.Conducted electricity on the welding robot control PLC
Extreme pressure power is to host computer.The present invention can more properly reflect quality of welding spot by gathering Real-time process supplemental characteristic.
As shown in Fig. 2 for the data class and SQL data structures of welding machine group control system database, intermediate frequency controller and change
The welding record of frequency controller can be all write in this table, by controller type（）Distinguish, whether some of which effectively needs
To determine according to controller type.Vehicle body leave where after station, the data of needs are read as needed, after reading can according to when
Between carry out deletion record.
As shown in figure 3, be the system interface schematic diagram of host computer, in the system interface of the host computer, workpiece schematic diagram
On everywhere red spots represent Abnormal welding point.Host computer enters the spot-welding technology real time data of acquisition with current production vehicle VIN
Row binding, after carrying out data integration treatment, is shown with list mode, and Abnormal welding point is highlighted with obvious color, in shape
In state column, represent that the solder joint process data is within normal range (NR) with green, and without departing from early warning value bound；With red table
Show that the solder joint process data is overproof, beyond the bound scope of arranges value；Represent that the solder joint process data needs early warning with yellow,
Without departing from arranges value bound scope but beyond early warning value bound.Bound scope of the bound of early warning value in arranges value
Within, configured in configuration interface, play a part of early warning.
Host computer is obtained after real-time spot-welding technology data, and computation model is set in host computer, right in configuration interface
The bound of each item data and upper and lower early warning line are configured, and welding procedure data analysis report are analyzed, referring to Fig. 4.To roll over
Line chart represents welding current real time data, and when electric current reaches upper and lower early warning line, host computer sends warning automatically.In welding procedure
In data analysis report, display directly perceived is patterned for each spot-welding technology data, represents that each is welded with broken line graph
The real-time welding current of point, when real-time welding current reaches setting number of times beyond the number of times of early warning value, host computer sends automatically
Alarm, points out produced on-site supervisor to process the abnormal conditions of current station in time, and actual inspection is carried out by live station, with
Equipment personnel and technologist analyze the reason for causing unusual fluctuations jointly, avoid bad solder joint with this, and be process engineer
Optimizing welding process provides data supporting.
Claims (5)
1. a kind of automotive welding production line spot welding data-management application method, it is characterised in that：Including host computer, welding machine team control system
System database, welding robot control PLC, the host computer gather the first pinpoint welding procedure reality from welding machine group control system database
When data, the welding robot control PLC uploads the second pinpoint welding procedure real time data to host computer, and host computer is by the first spot welding
Process real time data, the second pinpoint welding procedure real time data, solder joint numbering and vehicle identity information are bound, are processed, and analyze number
According to variation tendency, welding procedure data analysis report is generated, data query, data display and pre- in real time are realized in host computer
It is alert, realize the point quality information tracing of vehicle Life cycle.
2. automotive welding production line spot welding data-management application method according to claim 1, it is characterised in that described
One pinpoint welding procedure real time data include weld interval, welding current, conduction ratio, pressing time, hold time, the stop time；
The second pinpoint welding procedure real time data includes electrode pressure.
3. automotive welding production line spot welding data-management application method according to claim 2, it is characterised in that：The number
It is investigated that it refers to be inquired about according to solder joint numbering, vehicle identity information search condition to ask；
The data display refers to the welding current of bicycle multiple spot, electrode pressure, the variation tendency of conduction ratio and Duo Che single-points
Welding current, electrode pressure, the variation tendency of conduction ratio be shown by chart；
The real-time early warning refers to carry out early warning value setting to critical data, and the critical data includes welding current, electrode pressure
And conduction ratio, when critical data reaches setting number of times beyond the number of times of early warning value, host computer triggers early warning automatically, to point out work
Artist person or site administrator are processed.
4., according to any described automotive welding production line spot welding data-management application method of claims 1 to 3, its feature exists
In：The vehicle identity information is vehicle VIN.
5., according to any described automotive welding production line spot welding data-management application method of claims 1 to 3, its feature exists
In：The host computer believes the first pinpoint welding procedure real time data, the second pinpoint welding procedure real time data, solder joint numbering and testing vehicle register
After breath is bound, processed, each data are shown with list mode, and Abnormal welding point is highlighted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710154695.2A CN106843129A (en) | 2017-03-15 | 2017-03-15 | Automotive welding production line spot welding data-management application method |
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| CN201710154695.2A CN106843129A (en) | 2017-03-15 | 2017-03-15 | Automotive welding production line spot welding data-management application method |
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| CN106843129A true CN106843129A (en) | 2017-06-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146312A (en) * | 2019-01-14 | 2019-08-20 | 华晨宝马汽车有限公司 | Method, system, equipment and the medium of predictive maintenance for equipment |
| CN111112815A (en) * | 2020-01-03 | 2020-05-08 | 东风柳州汽车有限公司 | System for collecting welding parameters and monitoring on line by using spot welding machine programmer interface |
| CN111506030A (en) * | 2020-04-16 | 2020-08-07 | 福州泰全工业有限公司 | Quality management system and method for automobile production line |
| TWI741894B (en) * | 2020-12-01 | 2021-10-01 | 英業達股份有限公司 | Abnormal solder point analyzing immediately base on dbscan system and method |
| CN114932341A (en) * | 2022-04-18 | 2022-08-23 | 广州东焊智能装备有限公司 | Intelligent control system for automobile body welding |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146312A (en) * | 2019-01-14 | 2019-08-20 | 华晨宝马汽车有限公司 | Method, system, equipment and the medium of predictive maintenance for equipment |
| CN111112815A (en) * | 2020-01-03 | 2020-05-08 | 东风柳州汽车有限公司 | System for collecting welding parameters and monitoring on line by using spot welding machine programmer interface |
| CN111506030A (en) * | 2020-04-16 | 2020-08-07 | 福州泰全工业有限公司 | Quality management system and method for automobile production line |
| CN111506030B (en) * | 2020-04-16 | 2021-06-25 | 福州泰全工业有限公司 | Quality management system and method for automobile production line |
| TWI741894B (en) * | 2020-12-01 | 2021-10-01 | 英業達股份有限公司 | Abnormal solder point analyzing immediately base on dbscan system and method |
| CN114932341A (en) * | 2022-04-18 | 2022-08-23 | 广州东焊智能装备有限公司 | Intelligent control system for automobile body welding |
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Application publication date: 20170613 |
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