CN106181007A - A kind of spot-welded standard parameter automatic switchover system - Google Patents

A kind of spot-welded standard parameter automatic switchover system Download PDF

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Publication number
CN106181007A
CN106181007A CN201610741111.7A CN201610741111A CN106181007A CN 106181007 A CN106181007 A CN 106181007A CN 201610741111 A CN201610741111 A CN 201610741111A CN 106181007 A CN106181007 A CN 106181007A
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CN
China
Prior art keywords
welding
spot
substation
controller
automatic switchover
Prior art date
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Pending
Application number
CN201610741111.7A
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Chinese (zh)
Inventor
周鑫
洪涛
胡敏
龚蒙
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Tianjin 707 Hi Tech Co Ltd
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Tianjin 707 Hi Tech Co Ltd
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Application filed by Tianjin 707 Hi Tech Co Ltd filed Critical Tianjin 707 Hi Tech Co Ltd
Priority to CN201610741111.7A priority Critical patent/CN106181007A/en
Publication of CN106181007A publication Critical patent/CN106181007A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/10Spot welding; Stitch welding
    • B23K11/11Spot welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/36Auxiliary equipment

Abstract

A kind of spot-welded standard parameter automatic switchover system, it is characterized in that: include host computer, PLC system main website, switch, some substation controllers and some welding controllers, the quick alternating transmission of data is ensured by EPA communication between described host computer and PLC system main website, by EPA communication between described PLC system main website and switch, by EPA communication between described switch and some substation controllers, some described substation controllers are connected interactive information with some described welding controllers by cable.System is by each detection device signal on collection site welding production line, identify the different workpieces information of current welding, then the welding variables collection corresponding to the current workpiece of control system Auto-matching, meanwhile, solder joints different in welding also can the different welding variables of Auto-matching.When occur many weldering solder joints or less the situation such as weldering solder joint also can provide alarm and keep a record at host computer.

Description

A kind of spot-welded standard parameter automatic switchover system
Technical field
The present invention relates to welding technology field, be specifically related to the program specification ginseng of welding controller in car body welding producing line Number automatically switches, solder joint data statistics, and this equipment can not only be applied to automobile industry, and the spot welding that can also apply to other industry is raw During product.
Background technology
In the workshop that is welded of automobile production manufacture, apply a lot of spot-welded equipment, often join under set welding equipment 1 or 2 soldering turrets of person.In actual production, first, site technique personnel connect equipment for different welding workpiece butt welding and weld Parameter is preprogrammed and stored in each specification number of welding equipment, then, workman according to technological requirement to different welding positions Select different welding conditions number, utilize identical or different soldering turrets to carry out welding process.Along with the development of welding procedure becomes Changing, on the one hand, increasing new material is used, on the other hand, the variation day by day of automotive type, these two aspects will The welding conditions number having asked on-the-spot actual production to use get more and more.The selection of welding conditions number gets more and more, to field worker Requirement more and more higher because frequently switching welding conditions had both delayed the production time of workman, there will be again workman and select mistake Specification thus cause welding quality accident, and on soldering turret specification switching switch often can only select two kinds of specifications, can not Meet the requirements overlapping normative choice more.
Existing three kinds of solutions realizing parameter switching.The first is to be switched by hand by operator, such as when welding Chinese patent application " Multifunctional spot-welding machine joystick and utilize handle carry out welding control method " (application number 201010163624.7) toggle switch that the installation parameter on welding clamp handle proposed in selects, operator is manually at each Switch between parameter.But manual switching parameter not only adds the labor intensity of operator, training request and implementation capacity requirement, and There is insecure factors such as operator's maloperation, thus the existence possibility of misincorporation number, so and impracticable.The second be The mechanism detecting current soldering turret welding position, such as Chinese patent application " spot-welding equipment welding parameter are installed on weld jig And number of welds fiber identification system " soldering turret of installing on fixture of proposing in (application number 200720096990.9) nods location Block, protector for optical fiber, identification optical fiber and the current solder joint of fiber amplifier identification, and then realize the adjustment of welding parameter Automatic parameter; Chinese patent application " a kind of welding parameter automatic transfer equipment " (application number 200920075927.6) proposes at weld clip Soldering turret detection device identification current solder joint is installed on tool, and then realizes welding parameter and automatically change.This peace on weld jig The method of welding equipment pincers welding position (and then knowing current bond pad locations) detection device needs to install and changeable ginseng on fixture " detection device " and the cable that number quantity is directly proportional, causes and connects up loaded down with trivial details, the decline of soldering turret accessibility, use inconvenience and maintenance work Amount is big, and stability is the highest.The third is to realize different parameters switching, such as Chinese patent Shen according to current solder joint total thickness of slab difference Please " can automatically adjust the soldering turret of welding parameter " and propose in (application number 201120028235.3) installs by sensing on soldering turret Device mounting seat, elastic rubber fitting, sensor connecting base with can touch sensor composition detection welding time upper and lower horn relative away from From, and then calculate welded part thickness and realize automatically adjusting the scheme of welding parameter.The program, exists and cannot realize gross thickness The asynchronous parameter switching of identical but sheet metal thickness, bond pad locations difference cannot be tackled, the works such as sheet material matching difference cannot be tackled Need to adjust welding parameter, system under condition without the problem of the error-disable functions such as sound and light alarm, thus the effect of butt welding point increased quality Limited.
The present invention is to select to be realized by automatic control system by the welding conditions of the workshop human weld's station that is welded, first First need not substantial amounts of wiring and sensor support, stability and ease for maintenance higher, and can set up with welding controller Signal is mutual, and before workman starts welding process, welding conditions select complete, use for producers more convenient, easily operate Property is higher.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of spot-welded standard parameter automatic switchover system, system By each detection device signal on collection site welding production line, identify the vehicle workpiece information of current welding, then The welding variables of control system this vehicle of Auto-matching, meanwhile, solder joints different in welding also can Auto-matching different Welding variables.
The present invention solves above-mentioned technical problem and be the technical scheme is that a kind of spot-welded standard parameter automatically switches System, it is characterised in that: host computer, printer, PLC system main website, switch, some substation controllers and some welding control By EPA communication, device, ensures that data interaction is transmitted between described host computer and PLC system main website, described PLC system By EPA communication between main website and switch, by industry ether between described switch and some substation controllers Netcom interrogates, and some described substation controllers are connected interactive information with some described welding controllers by cable;
Described host computer is industrial control computer, coordinates configuration software to use, the various letters collected by PLC system main website Breath, shows in real time by configuration picture, the information needing record is formed form and is stored in computer hard disc;
Described PLC system main website includes host CPU, bus system and vehicle cab recognition detection device, and vehicle is known by described host CPU The information collected of device Jian Ce not carry out operational analysis, and output order, described bus system is by host CPU, vehicle cab recognition inspection Surveying device, switch and each substation controller to link together, and carry various instruction, described vehicle cab recognition detection device divides Cloth is arranged on welding production line, and the information gathered is passed through bus transfer to host CPU;
Described switch connects host CPU and some substation controllers, and the instruction sent by host CPU is according to transport protocol conversion For satisfactory information, and send to substation controller;
Described substation controller analysis judges the information of CPU in master station, carries out the rotation of welding variables, result is carried To corresponding welding controller;
Described welding controller controls soldering turret and carries out spot welding.
As preferably, described PLC system uses Siemens 1500 series, and communication speed is 100Mbit/s.
As preferably, described communication modes is EPA communication.
As preferably, described substation controller is provided with man-machine interaction touch screen, shows welding variables at that time, should be complete Become welding to count, completed welding and count, whether fault etc. produce relevant information, can carry out producing the setting of welding parameter.
As preferably, described substation controller is provided with solder joint management through figures system, when when the many welderings of workman or welding less, and energy Enough warnings also record time of origin, current production status information, current solder joint welding conditions data automatically.
As preferably, described solder joint management through figures system includes that solder joint counts pause button, when workman's butt welding tongs is repaiied When mill, replacing electrode, debugging maintenance, manual switching solder joint count up to halted state, non-automobile body welding action should not entered Number system, in order to avoid causing system entanglement;When workman carries out normal weld, hand-reset halted state, system proceeds Counting.
As preferably, described substation controller is provided with hands/auto-switching push button, when system jam cannot normal work When making, independently being separated with substation controller by welding controller, be switched to manual mode, welding controller returns to unit and uses State, can continue during to ensure the system failure to produce.
As preferably, described host computer has man machine interface at plant site, uses industrial computer to carry out as host computer System administration, the storage of production status data, record, show, control.
As preferably, described host computer human-computer interaction interface, the different productive temps for same workpiece can be carried out It is switched fast, and acts on substation controller, make production control and management carry out the most easily.
As preferably, described vehicle cab recognition detection device uses vision sensor, attitude transducer, range sensor etc. to join Close, accurately judge welding workpiece, number of welds, bond pad locations and welding sequence.
It is an advantage of the current invention that:
1) advanced technology: use advanced Siemens 1500 series CPU and EPA bus system, it is achieved 100M Communication speed, welding controller standard parameter that monitoring management real-time and efficiently is on-the-spot and production status;
2) on-site maintenance is convenient: daily of site administrator need to pass through host computer to on-the-spot all welderings in workshop management room The welding conditions connecing controller select to be monitored, and upload the feedback of status with hardware state, if had by data message Unusual condition occurs, can accurately find the trouble point of generation problem and carry out quickly locating process;
3) flexible working mode: this system can be liberated and frequently switch grasping of welding conditions in the daily production of operator Make, shorten operative's time, it also avoid workman because workpiece kind is different or productive temp changes and selects mistake simultaneously The problem of specification;
4) complete function:
System can identify this station workpiece on sealing wire automatically, and automatically calls the current desired rule of all solder joints of this workpiece Norm evidence, it is achieved according to the function of workpiece automatic switchover welding conditions;
For same workpiece, system can be according to artificial solder joint order and welding process requirement, in human weld's operating process Welding conditions corresponding to the current solder joint of middle automatic switchover, it is not necessary to artificial manual intervention, reduce manual steps;
System individually carries out programme-control and debugging to the slave station of each station, with ensure when certain station is out of order not Other station system functions can be affected, it is achieved that the advantage of centralized management decentralised control;
On-the-spot each have man-machine interaction touch screen from station control, shows current welding conditions, should complete welding and count, Complete welding count, whether fault etc. produce relevant information, can carry out producing the setting of welding parameter;
System possesses solder joint management through figures function, when workman's many welderings solder joint or weldering solder joint less, it is possible to report to the police and automatic Record time of origin, current production status information, current solder joint welding conditions data;
System has counting pause function, when workman's butt welding tongs carries out reconditioning, changes electrode, debugging maintenance, by manually Non-workpiece welding action, to halted state, should not entered number system, in order to avoid causing system entanglement by toggle count.When workman enters During row normal weld, hand-reset halted state, system proceeds counting;
System possesses manual handoff functionality, when system jam cannot normally work, (can weld control with welding equipment Device processed and soldering turret) it is independent that separately soldering turret recovers unit and uses state, can continue during to ensure the system failure to produce;
Control system has man machine interface (display) at plant site, uses industrial computer to carry out system as host computer Management, the storage of production status data, record, show, control etc..
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the workflow diagram of the present invention.
Wherein: 1, host computer 2, printer 3, PLC system main website 4, switch 5, substation controller
6, welding controller
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertically ", Orientation or the position relationship of the instruction such as " level ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to Be easy to describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation, With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " is only used for describing purpose, and it is not intended that indicate or hint relative importance.
A kind of spot-welded standard parameter automatic switchover system, it is characterised in that: include host computer 1, printer 2, PLC system System main website 3, switch 4, some substation controllers 5 and some welding controllers 6, described host computer 1 and PLC system main website 3 it Between by EPA communication ensure data interaction transmit, between described PLC system main website 3 and switch 4 by industry with Too Netcom's news, by EPA communication between described switch 4 and some substation controllers 5, some described substations control Device 5 is connected interactive information with some described welding controllers 6 by cable;
Described host computer 1 is industrial control computer, coordinates configuration software to use, and that is collected by PLC system main website is various Information, shows in real time by configuration picture, the information needing record is formed form and is stored in computer hard disc;
Described PLC system main website 3 includes host CPU, bus system and vehicle cab recognition detection device, and described host CPU is by vehicle The information that identification and detection device is collected carries out operational analysis, and output order, and described bus system is by host CPU, vehicle cab recognition Detection device, switch and each substation controller link together, and carry various instruction, described vehicle cab recognition detection device Distribution is arranged on welding production line, and the information gathered is passed through bus transfer to host CPU;
Described switch 4 connects host CPU and some substation controllers, and the instruction sent by host CPU turns according to host-host protocol It is changed to satisfactory information, and sends to substation controller;
The information judging CPU in master station analyzed by described substation controller 5, carries out the rotation of welding variables, and result is defeated Give corresponding welding controller;
Described welding controller 6 controls soldering turret and carries out spot welding.
As preferably, described PLC system uses Siemens 1500 series, and communication speed is 100Mbit/s.
As preferably, described communication modes is EPA communication.
As preferably, described substation controller is provided with man-machine interaction touch screen, shows welding variables at that time, should be complete Become welding to count, completed welding and count, whether fault etc. produce relevant information, can carry out producing the setting of welding parameter.
As preferably, described substation controller is provided with solder joint management through figures system, when workman's many welderings solder joint or few weldering During solder joint, it is possible to report to the police and automatically record time of origin, current production status information, current solder joint welding conditions data.
As preferably, described solder joint management through figures system includes that solder joint counts pause button, when workman's butt welding tongs is repaiied When mill, replacing electrode, debugging maintenance, manual switching solder joint count up to halted state, non-automobile body welding action should not entered Number system, in order to avoid causing system entanglement;When workman carries out normal weld, hand-reset halted state, system proceeds Counting.
As preferably, described substation controller is provided with hands/auto-switching push button, when system jam cannot normal work When making, independently being separated with substation controller by welding controller, be switched to manual mode, welding controller returns to unit and uses State, can continue during to ensure the system failure to produce
As preferably, described host computer has man machine interface at plant site, uses industrial computer to carry out as host computer System administration, the storage of production status data, record, show, control.
As preferably, described workpiece identification detection device uses vision sensor, attitude transducer, range sensor etc. to join Close, accurately judge welding vehicle, number of welds, bond pad locations and welding sequence.
As it is shown in figure 1, the present invention includes four parts, Part I is host computer 1 part, is responsible for man-machine interaction, display system The various online information of system, and gather the various data that storage needs to record;Part II is the CPU in master station of PLC system main website 3 Control chamber part, is responsible for the signal such as workpiece information of collection site, does data interaction with following substation controller 5, and monitoring is also Process various information;Part III is on-the-spot high speed switch, is responsible for the most various information from station control;4th Part is from station control, is responsible for directly with the signal of Site Welding controller is mutual, and the setting of this station welding parameter, having must Will time provide onsite alarming signal and transfer back to PLC master station CPU and host computer.
As it is shown in figure 1, be ensure that the real-time of data acquisition between host computer and PLC master station CPU by EPA, CPU in master station is followed by EPA communication between station control, from station control with welding control with switch, switch Interactive information is connected by cable between device.
CPU in master station system both can have been connected by cable can also pass through bus communication.The vehicle letter of site welding wiring is Or workpiece information is detected by various sensors, information feeds back to CPU in master station system.
CPU in master station passes through EPA communication with from station control, and communication speed is 100Mbit/s, and network structure is Star bus connected mode based on switch, can be with multistage nesting in conjunction with on-the-spot needs.Such topology network architecture, a side Face improves network exchange speed, on the one hand avoids some network node failure to affect the danger of whole network.
Using the direct-connected mode of cable between substation controller 5 and welding controller 6, substation controller directly controls welding control The standard parameter of device processed selects.Certainly, substation controller is provided with hands/be automatically brought into operation switch knob, when special circumstances occur, and can To switch to manual operation mode, operator can manually select welding variables and proceed to produce.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit;To the greatest extent The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered Row equivalent;And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology The scope of scheme.

Claims (10)

1. a spot-welded standard parameter automatic switchover system, it is characterised in that: include host computer, printer, PLC system master Stand, switch, some substation controllers and some welding controllers, by industry between described host computer and PLC system main website Ethernet communication ensures data interaction transmission, by EPA communication between described PLC system main website and switch, described By EPA communication between switch and some substation controllers, some described substation controllers described weld with some Controller connects interactive information by cable;
Described host computer is industrial control computer, coordinates configuration software to use, the various information collected by PLC system main website, Show in real time by configuration picture, the information needing record is formed form and is stored in computer hard disc;
Described PLC system main website includes host CPU, bus system and vehicle cab recognition detection device, and vehicle cab recognition is examined by described host CPU The information that survey device is collected carries out operational analysis, and output order, and described bus system is by host CPU, vehicle cab recognition detection dress Put, switch and each substation controller link together, and carry various instruction, and the detection device distribution of described vehicle cab recognition sets Put on welding production line, the information gathered is passed through bus transfer to host CPU;
Described switch connects host CPU and some substation controllers, and the instruction sent by host CPU is symbol according to transport protocol conversion Close the information required, and send to substation controller;
Described substation controller analysis judges the information of CPU in master station, carries out the switching of welding variables, welding conditions is selected Result flow to corresponding welding controller;
Described welding controller controls soldering turret and carries out spot welding.
A kind of spot-welded standard parameter automatic switchover system the most according to claim 1, it is characterised in that: described PLC System uses Siemens 1500 series, and communication speed is 100Mbit/s.
A kind of spot-welded standard parameter automatic switchover system the most according to claim 1, it is characterised in that: described communication Mode is EPA communication.
A kind of spot-welded standard parameter automatic switchover system the most according to claim 1, it is characterised in that: described substation Controller is provided with man-machine interaction touch screen, shows welding variables at that time, carries out producing the setting of welding parameter.
A kind of spot-welded standard parameter automatic switchover system the most according to claim 1, it is characterised in that: described substation Controller is provided with solder joint management through figures system, when workman's many welderings solder joint or weldering solder joint less, it is possible to report to the police and automatic record Time of origin, current production status information, current solder joint welding conditions data.
A kind of spot-welded standard parameter automatic switchover system the most according to claim 1, it is characterised in that: described solder joint Management through figures system includes that solder joint counts pause button, when workman's butt welding tongs carries out reconditioning, changes electrode, debugging maintenance, by Manual switching solder joint counts up to halted state, non-automobile body welding action is not entered number system;When workman carries out normal weld Time, hand-reset halted state, system proceeds counting.
A kind of spot-welded standard parameter automatic switchover system the most according to claim 1, it is characterised in that: described substation Controller is provided with hands/auto-switching push button, when system jam cannot normally work, by welding controller and substation control Device processed independently separately, is switched to manual mode, and welding controller returns to unit and uses state, can continue during to ensure the system failure Continuous production.
A kind of spot-welded standard parameter automatic switchover system the most according to claim 1, it is characterised in that: described upper Machine has a man machine interface at plant site, uses industrial computer to carry out system administration, the depositing of production status data as host computer Store up, record, show, control.
A kind of spot-welded standard parameter automatic switchover system the most according to claim 1, it is characterised in that: described upper Machine is provided with human-computer interaction interface, carries out being switched fast of the different productive temps for same workpiece, and acts on substation control On device, production control and management is made to carry out the most easily.
A kind of spot-welded standard parameter automatic switchover system the most according to claim 1, it is characterised in that: described car Type identification and detection device uses vision sensor, attitude transducer, range sensor to coordinate, and accurately judges welding workpiece, solder joint Quantity, bond pad locations and welding sequence.
CN201610741111.7A 2016-08-26 2016-08-26 A kind of spot-welded standard parameter automatic switchover system Pending CN106181007A (en)

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CN106735842A (en) * 2017-03-24 2017-05-31 上海骄成机电设备有限公司 A kind of supersonic welder of real-time detection welding quality
CN109343445A (en) * 2018-12-06 2019-02-15 华域汽车车身零件(武汉)有限公司 A kind of poor counting of robot production line leakproof sequence and synchronous clearing control system
CN109814433A (en) * 2018-12-18 2019-05-28 天津工程机械研究院有限公司 The data-sharing systems and method of welding production
CN110153542A (en) * 2019-05-21 2019-08-23 一汽轿车股份有限公司 A kind of method and device for calling manual suspension spot welding machine welding conditions automatically
CN110666321A (en) * 2019-11-14 2020-01-10 上汽通用五菱汽车股份有限公司 Welding method, automatic welding device, and storage medium
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CN112756757A (en) * 2019-05-27 2021-05-07 北京实耐固连接技术有限公司 Resistance welding method for automatically welding inner end of steel coil
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