CN108296607A - A kind of programmable pulse wire feed control system - Google Patents
A kind of programmable pulse wire feed control system Download PDFInfo
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- CN108296607A CN108296607A CN201810088785.0A CN201810088785A CN108296607A CN 108296607 A CN108296607 A CN 108296607A CN 201810088785 A CN201810088785 A CN 201810088785A CN 108296607 A CN108296607 A CN 108296607A
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/124—Circuits or methods for feeding welding wire
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
Abstract
The present invention provides a kind of programmable pulse wire feed control systems reliable, wire feed precision is high, controllable parameter is flexible and changeable easy to operate, the host computer link block of motion control card is connect with processor, the bus module of motion control card includes two close loop control circuits, close loop control circuit includes pushing away a control loop and wire drawing control loop, the output module for pushing away a control loop is connect with a motor driver is pushed away, and input module is connect with a speed feedback device is pushed away；The output module of wire drawing control loop is connect with wire drawing motor driver, and input module is connect with wire drawing speed feedback device, and wire-drawing mechanism exit is connect with welding gun；Automatic control cushioning mechanism is equipped between Tui Si mechanisms and wire-drawing mechanism, automatic control cushioning mechanism includes two end cushion chambers and an intermediate buffering chamber, it is connected to through intermediate buffering chamber between the cushion chamber of end, the overall path length of automatic control cushioning mechanism is more than the straight line fed distance of the welding wire between Tui Si mechanisms and wire-drawing mechanism.
Description
Technical field
The present invention relates to welding technology fields, and in particular to a kind of programmable pulse wire feed control system.
Background technology
Pulse wire feed is a kind of novel feeding method.Pulse wire feed can not only realize no short-circuit process welding, but also can be real
Existing pulse wire feed forces short-circuit process, and small, appearance of weld is beautiful, welding quality is good, is suitble to all-position welding with splashing
The advantages of.Short-circuit process is forced being realized by pulse wire feed, keeps short-circuit frequency and pulse wire feed frequency strictly equal, utilizes arteries and veins
Forward momentum caused by the pause after wire feed is rushed, the droplet transfer is promoted, reduces the liquid metal of welding wire side in foot bridge, simultaneously
Also the splashing for just reducing foot bridge explosion and generating.
Patent of invention 201710669905.1 " a kind of control system and method for dipulse wire feeding motor " provides one kind
The control system and method for dipulse wire feeding motor improve for shortening wire feeding motor by switching to transit time of low speed at a high speed
Dipulse welding performance.Patent of invention 201710262175.3, " the wire feed control systems and method of more motors " describe one kind
The method for controlling multiple electric motors conveying welding wire simultaneously.Invention 201220026744.7, " a kind of real-time synchronization wire feeder " are introduced
It is a to pass through monolithic processor controlled wire feeder.But above-mentioned wire feed control method there are still wire feed precision low, controllable ginseng
Number less, malfunction the deficiencies of, be not suitable for scientific research need.
Invention content
In view of the above technical problems, the present invention provides one kind reliable, wire feed precision height easy to operate, controllable parameter are flexible
Changeable programmable pulse wire feed control system and method.
In order to realize that above-mentioned technical goal, the present invention use following technical scheme：
A kind of programmable pulse wire feed control system, including motion control card, the motion control card include host computer connection
Module and bus module, the host computer link block are connect with processor, and the bus module includes two closed loop controls
Circuit processed, the close loop control circuit include pushing away a control loop and wire drawing control loop, push away the output mould of a control loop
Block is connect with a motor driver is pushed away, and is pushed away a motor driver and is connect with a motor is pushed away, and turning for a motor driving Tui Si mechanisms is pushed away
Dynamic, Tui Si mechanisms are connect with the wire tray of supply welding wire raw material, are pushed away the input module of a control loop and are pushed away a speed feedback device
Connection, pushes away a speed feedback device and is connect with Tui Si mechanisms；The output module of wire drawing control loop connects with wire drawing motor driver
Connect, wire drawing motor driver is connect with wire drawing motor, wire drawing motor drive wire-drawing mechanism rotation, wire-drawing mechanism filament inlet with push away
Welding wire connection of the filament mouth of silk mechanism through conveying, the input module of wire drawing control loop are connect with wire drawing speed feedback device,
Wire drawing speed feedback device is connect with wire-drawing mechanism, and wire-drawing mechanism exit is connect with welding gun；The Tui Si mechanisms and wire drawing
Between mechanism be equipped with automatic control cushioning mechanism, automatic control cushioning mechanism include can accommodate welding wire two end cushion chambers and a centre
Cushion chamber, two end cushion chambers are connected to the exit of Tui Si mechanisms and the inlet of wire-drawing mechanism, end cushion chamber
Between through intermediate buffering chamber be connected to, the overall path of automatic control cushioning mechanism made of being connected to intermediate buffering chamber by end cushion chamber
Length is more than the straight line fed distance of the welding wire between Tui Si mechanisms and wire-drawing mechanism.
Through the above technical solutions, the present invention devises, a set of wire feed precision is high, corresponding speed is fast, the flexible pulse of control
Wire feed control system, control system of the invention include two sets of independent close loop control circuits, and operator is in advance by pulse wire feed
The characteristic parameter that the needs of process control such as wire feed rate V, the wire feed period wire feed rate V of being averaged1, wire feed cycle time length T1、
Reel off raw silk from cocoons period spinning speeds V2, reel off raw silk from cocoons cycle time length T2, stalled cycles time span T3Etc. being transported in processor.Solid
Determine under pulse wire feed pattern, processor according to above-mentioned parameter, order by the output that associated motor driver is arranged by motion control card
It enables, makes to push away a motor and wire drawing motor according to fixed pulse period, direction and speed conveying welding wire；In controlled wire feed pattern
Under, it can also be according to the welding process electrical signal information that synchronous acquisition arrives, as needed in constant speed by feedback device processor
During wire feed, change wire feed rate and direction in real time, realizes accurately controlling in real time to welding process.Motion control card is base
In PC buses, realize that the multiaxis of multiple servo motors coordinates control using high-performance microprocessor and field programmable gate function
A kind of high performance step/servo motor motion control card, including pulse output, step-by-step counting, numeral input, numeral output,
The functions such as D/A outputs, it can send out continuous, high-frequency train of pulse, send out the frequency of pulse by change to control electricity
The speed of machine, change send out the quantity of pulse to control the position of motor.
Control the driving life for pushing away a motor driver and wire drawing motor driver in the application respectively by motion control card
It enables, it is independent to rotate after a certain distance sends out the welding wire in wire tray when Tui Si mechanisms are under the drive for pushing away a motor, then pass through
Wire drawing motor drives wire-drawing mechanism to start to rotate synchronously, and starts normal burst wire feed process.Wire-drawing mechanism is in the process of running
What is be first carried out is wire feed process, after welding wire is sent to welding gun, the welding process that is arrived according to synchronous acquisition by feedback device
Information enters welding wire pumpback stage, pumpback welding wire appropriate or pause wire feed process as needed；So pass through setting
The cooperation of the motion control card, motor driver and speed feedback device of two close loop control circuits, can detect and push away a machine
The real-time wire feed rate of structure, and the wire feed rate of Tui Si mechanisms being regulated and controled by motor driver, it is ensured that push away speed with
Drawing speed is identical.It at the end of welding process, pushes away a motor and stops rapidly, Tui Si mechanisms stop wire feed；Wire-drawing mechanism then exists
After period and the stalled cycles of reeling off raw silk from cocoons, terminate operation, Tui Si mechanisms and wire-drawing mechanism have a set of independent driving and movement
Reponse system cooperates between them and is independent of each other again, can more flexible, efficient, accurately complete wire feed work.
The important innovations point of the application is：The application not only devises a set of Tui Si mechanisms and wire-drawing mechanism and that deposits send
Silk control system, and two independent closed-loop controls are provided on the motion control card of control Tui Si mechanisms and wire-drawing mechanism
System and speed feedback device, the system not only can independently control Tui Si mechanisms and wire-drawing mechanism, and can profit
The wire feed situation that welding process is controlled with the directly collected signal of the speed feedback device of wire-drawing mechanism, passes through Tui Si mechanisms
Speed feedback device is precisely controlled the wire feed situation of Tui Si mechanisms.Power in the application during wire feed is mainly by Tui Si mechanisms
It provides, wire drawing machine, which is mainly used for realizing, accurately controls the whole procedure parameter such as wire feed rate, time.Mutually matched push away is set
Silk mechanism and wire-drawing mechanism, then welding wire transmission process major part load is undertaken by pushing away a machine, wire-drawing mechanism light load inhibits
Wire feed hysteresis phenomenon, corresponding speed are further speeded up, and wire feed precision gets a promotion in turn.
Wire-drawing mechanism also has some inevitable defects, in controlled wire feed pattern while enhancing wire feed precision
Lower wire-drawing mechanism can change wire feed rate according to the Real-time Feedback of speed feedback device, once the instantaneous wire feed rate of wire-drawing mechanism
It can cause serious problem when inconsistent with the wire feed rate of Tui Si mechanisms.The instantaneous wire feed rate of wire-drawing mechanism is excessive may
Cause welding wire conveying unstable, even if the use of sufficient welding wire supply welding gun can not be obtained, gently then due to welding wire insufficient supply
Wire drawing machine is caused to skid with motor speed difference, the predicament that can even cause welding wire to be broken when serious；And wire-drawing mechanism is instantaneous
When wire feed rate is too small, a large amount of welding wire can be formed in the short time between Tui Si mechanisms and wire-drawing mechanism and is detained, welding wire is caused
Build-up effect, directly affect follow-up welding wire into silk process.Although in this way, the control to welding wire is sensitiveer, but increasing
The uncontrollable consequence of bigger is added, this is not that we want to see.
In this regard, the present invention is provided with automatic control cushioning mechanism, automatic control cushioning mechanism packet between Tui Si mechanisms and wire-drawing mechanism
Two end cushion chambers and an intermediate buffering chamber are included, is connected to through intermediate buffering chamber between two end cushion chambers, is delayed by end
Rush automatic control cushioning mechanism made of chamber is connected to intermediate buffering chamber overall path length be more than Tui Si mechanisms and wire-drawing mechanism it
Between welding wire straight line fed distance.Automatic control cushioning mechanism is in order to avoid because wire-drawing mechanism instantaneous velocity and Tui Si mechanisms differ
Cause and design.Once instantaneous drawing speed is less than speed is pushed away, welding wire is stranded in automatic control cushioning mechanism, due to automatic control cushioning
The overall path length of mechanism is more than the straight line fed distance of the welding wire between Tui Si mechanisms and wire-drawing mechanism, and welding wire can be introduced into
It is made of in buffer path two end cushion chambers and an intermediate buffering chamber, welding wire can be uniform in entire buffer path
A small amount of accumulation distribution will not cause accumulated deformation effect caused by being largely detained in the short time, until Tui Si mechanisms and wire drawing machine
Structure reaches the balance of wire feed rate by regulation and control again；Conversely, when instantaneous drawing speed is higher than thread speed is pushed away, the weldering in hose
Filament length degree gradually decreases, and avoids because wire drawing machine caused by motor speed difference skids at two, wire feed accuracy decline etc. is bad
Phenomenon, wire drawing machine slipping phenomenon caused by being improved in order to avoid instantaneous drawing speed for the first time, can when connecting system for the first time
A small amount of welding wire is accumulated in automatic control cushioning mechanism.
Further, through the scalable company of telescopic component between intermediate buffering chamber of the present invention and at least one end cushion chamber
It connects, the welding wire motive force of the Tui Si mechanisms is more than the flexible resistance of telescopic component.
Through the above technical solutions, invention automatic control cushioning mechanism is one has the slow of length tunability to a certain degree
Punch mechanism, when instantaneous drawing speed is less than speed is pushed away, welding wire is stranded in automatic control cushioning mechanism, once welding wire appearance is a large amount of stagnant
Stay the case where still may causing automatic control cushioning mechanism that can not accommodate a large amount of welding wires, to intermediate buffering chamber of this present invention with extremely
It is scalable connection between a few end cushion chamber, and this telescopic component is driven to need resistance is overcome to be less than and push away a machine
The motive force of structure, once there is the excessive delay that can not be accommodated in welding wire, so that intermediate buffering under the lasting promotion of Tui Si mechanisms
Chamber and end cushion chamber relative motion, intermediate buffering chamber and the overlapping region of end cushion chamber are reduced, and automatic control cushioning mechanism is delayed
It rushes path to further increase, thus considerably increases the ability of regulation and control of automatic control cushioning mechanism.
Further, end cushion chamber and intermediate buffering chamber of the present invention are made of flexible material.
Further, end cushion chamber and intermediate buffering chamber of the present invention cross section be circle, intermediate buffering chamber it is interior
Diameter is more than the outer diameter of two end cushion chambers, and the free end of end cushion chamber is respectively cooperating with the both ends for being inserted into intermediate buffering chamber.
Further, welding wire straightening mechanism is equipped between wire-drawing mechanism exit of the present invention and welding gun to connect.
Through the above technical solutions, the present invention is provided with welding wire straightening mechanism, wire-drawing mechanism band in wire-drawing mechanism exit
Dynamic welding wire is moved to via wire-straightening unit at welding gun, and moving direction changes according to the variation of control instruction.Welding wire straightening
The increase of structure reduces welding wire end disturbing phenomenon caused by stem elongation is long, after welding wire is sent out by wire-drawing mechanism,
Into welding wire straightening mechanism, it is ensured that the welding wire for entering welding gun is smooth straight and upright, inhibits disturbing at dry extension of electrode to the maximum extent
It is dynamic.
The beneficial effects of the present invention are：1. the present invention overcomes the deficiencies in the prior art, a kind of Tui Si mechanisms are provided
With wire-drawing mechanism and the wire feed system deposited, welding wire transmission process major part load is undertaken by pushing away a machine, and wire-drawing mechanism load is light, suppression
Wire feed hysteresis phenomenon is made, response speed is further speeded up, and is one kind reliable, wire feed precision height easy to operate, controllable parameter spirit
Changeable wire feed control system living.2. the present invention is provided with two independent close loop control circuits on motion control card, not only
Independently Tui Si mechanisms and wire-drawing mechanism can be controlled, and the rotating speed of wire-drawing mechanism and Tui Si mechanisms can be utilized anti-
Feedback device is precisely controlled wire feed situation, and realization accurately controls the whole procedure parameter such as wire feed rate, time.3. the present invention is pushing away
It is provided with automatic control cushioning mechanism between silk mechanism and wire-drawing mechanism, automatic control cushioning mechanism can be according to instantaneous drawing speed and pushing away silk
Welding wire capacity in the variation holes mechanism of speed, both can to avoid accumulated deformation effect caused by being largely detained in the short time,
It can be avoided the wire drawing machine caused by welding wire insufficient supply and motor speed difference again to skid, wire feed accuracy decline etc. is bad existing
As.4. invention automatic control cushioning mechanism be one to a certain degree with length tunability buffer gear, once welding wire occur
The delay that can not excessively accommodate makes intermediate buffering chamber and end cushion chamber relative motion under the lasting promotion of Tui Si mechanisms,
Intermediate buffering chamber and the overlapping region of end cushion chamber are reduced, and the buffer path of automatic control cushioning mechanism further increases, thus greatly
The big ability of regulation and control for increasing automatic control cushioning mechanism.5. the present invention introduces welding wire straightening mechanism after wire-drawing mechanism, by weldering
The processing of silk aligning mechanism, it is ensured that the welding wire for entering welding gun is smooth straight and upright, inhibits disturbing at dry extension of electrode to the maximum extent
It is dynamic.
Description of the drawings
Fig. 1 is the overall structure control figure of the present invention.
Fig. 2 is the structural schematic diagram of the one of which realization method of automatic control cushioning mechanism of the present invention.
Specific implementation mode
With reference to embodiment, the specific embodiment of the present invention is further described.
A kind of programmable pulse wire feed control system, by processor 1, motion control card 2, servo-driver 3a, servo electricity
Machine 3b, wire-drawing mechanism 3c, wire drawing speed feedback device 3d, DC motor driver 4a, direct current printed motor 4b, Tui Si mechanisms
4c, a speed feedback device 4d, automatic control cushioning mechanism 5, welding wire straightening mechanism 6, wire tray 7 and the composition of welding gun 8 are pushed away.Processor 1 with
Motion control card 2 is connected, and motion control card 2 includes host computer link block and bus module, and the host computer connects mould
Block is connect with processor 1, and the bus module includes two close loop control circuits, and the close loop control circuit includes pushing away silk
The parameter that operator is arranged is changed into program control instruction and is transported to motion control card 1 by control loop and wire drawing control loop；Fortune
Dynamic control card 1 is connected with servo-driver 3a and DC motor driver 4a, and above-mentioned control instruction is transferred to servo-drive
Device 3a and DC motor driver 4a realizes the control to servo motor 3b and direct current printed motor 4b；Direct current printed motor 3b bands
Dynamic Tui Si mechanisms 4c is connect with wire tray 7, drives wire tray 7 to be pushed out welding wire, a speed feedback is pushed away with what Tui Si mechanisms 4c was connect
Device 4d is by Tui Si mechanisms speed feedback to motion control card 1；The wire-drawing mechanism 3c of servo motor 3b driving drive welding wire via
Welding wire straightening mechanism 6 is moved at welding gun 8, and the wire drawing speed feedback device being connect with wire-drawing mechanism 3c is anti-by wire-drawing mechanism rotating speed
It is fed to motion control card 1, moving direction changes according to the variation of control instruction.
Automatic control cushioning mechanism is equipped between the Tui Si mechanisms and wire-drawing mechanism, automatic control cushioning mechanism includes that can accommodate weldering
End cushion chamber 9a, the end cushion chamber 9c and intermediate buffering chamber 9b, two end cushion chambers of silk are connected to Tui Si mechanisms
Exit and wire-drawing mechanism inlet, end cushion chamber and intermediate buffering chamber of flexible pipe by being made, intermediate buffering chamber
Internal diameter be more than the outer diameters of two end cushion chambers, be connected to through intermediate buffering chamber between the cushion chamber of end, intermediate buffering chamber 9b with
Scalable connection between two ends cushion chamber 9a and 9c, the free end of specially end cushion chamber, which is respectively cooperating among insertion, delays
The both ends of chamber are rushed, the welding wire motive force of Tui Si mechanisms is more than stretching between intermediate buffering chamber 9b and two ends cushion chamber 9a and 9c
Contracting resistance.
The device model used in present embodiment is as follows：ADT-8948 motion control cards, BLS AC servo motors and its
Mating servo-driver, 120SN10-CQ printing direct current generators and mating wire feed machinery assembly, E6B2-CWZ6C photoelectricity are compiled
Code device, WS-2 wire-straightening units.Control instruction is transferred to BLS AC servo drivers when use and direct current voltage reulation driver is real
The control of direct current generator is now printed to BLS AC servo motors and 120SN10-CQ；
The specifically used method of pulse wire feed control system of the present invention is as follows：
Operator first by the way that the characteristic parameter of pulse wire feed process is transported in processor, processor according to above-mentioned parameter,
The rotating speed of servo motor and printed motor is set by motion control card；The pulse wire feed process feature parameter value includes flat
Equal wire feed rate V, wire feed period wire feed rate V1, wire feed cycle time length T1, reel off raw silk from cocoons period spinning speeds V2, reel off raw silk from cocoons the period
Time span T2, stalled cycles time span T3Etc. indexs, These parameters meet following formula：V=（V1*T1-V2*T2）/（T1+T2+
T3）.Then for installation wire tray to Tui Si mechanisms, manual wire feed makes welding wire end stretch out resistance welding gun electric conducting nozzle.
Under fixed pulse wire feed pattern, after normal wire feed process starts, according to pulse wire feed process feature parameter value,
Tui Si mechanisms 4c needs pre- wire feed certain length under the drive of direct current printed motor 4b.I.e. firstly the need of Tui Si mechanisms 4c straight
A certain distance L, L=max are independently rotated under the drive of stream printed motor 4b（L1, L0）, i.e. the value of distance L is L1And L0The two is worked as
In higher value.Wherein, to prevent due to sending on flight lead from too short so that when later stage wire-drawing mechanism is in higher drawing speed,
Since drawing speed occurs slipping phenomenon and sends on flight lead from L according to practical experience far above speed, wire-drawing mechanism is pushed away0At least
For 10mm；If in addition, during pulse wire feed, if the time in wire feed period is longer or speed is larger, wire drawing machine can also occur
Therefore structure slipping phenomenon sends on flight lead from the length of string that need to be higher than in the monocycle, i.e. L1= V1*T1。
It drives wire-drawing mechanism 3c to start to rotate synchronously after the welding wire submitting in wire tray 7, then by servo motor 3b, starts
Normal burst wire feed process.What wire-drawing mechanism 3c was first carried out is wire feed process, and the welding wire of submitting is straightened through welding wire straightening mechanism 6
Afterwards, it send to welding gun 8, then, further according to needs, into the welding wire pumpback stage, pumpback welding wire appropriate or pause wire feed mistake
Journey.Motion control card 2 detects the real-time wire feed rate of Tui Si mechanism 4c by pushing away a speed feedback device 4d, and passes through direct current
Machine driver 4a regulates and controls the wire feed rate of Tui Si mechanisms 4c, it is ensured that it is identical as drawing speed to push away speed.When welding
At the end of journey needs, direct current printed motor 4b stops rapidly, and Tui Si mechanisms 4c stops wire feed；Wire-drawing mechanism 3c then needs reeling off raw silk from cocoons
After period and stalled cycles, terminate operation.
Under controlled wire feed pattern, after normal wire feed process starts, bands of the Tui Si mechanisms 4c in direct current printed motor 4b
It is independent to rotate a certain distance L, L=10mm under dynamic.After welding wire in wire tray 7 is sent out, then is driven and drawn by servo motor 3b
Silk mechanism 3c starts to rotate synchronously, and starts constant-speed wire-feeding process.Push away speed and drawing speed keep constant it is constant, for average speed
Spend V.Motion control card 2 detects the real-time wire feed rate of Tui Si mechanism 4c by pushing away a speed feedback device 4d, and passes through motor
Driver regulates and controls the wire feed rate of Tui Si mechanisms 4c, it is ensured that it is identical as drawing speed to push away speed.
Once the welding process electrical signal information that processor is arrived according to synchronous acquisition, judgement needs during constant-speed wire-feeding
Change wire feed rate in real time and direction, motion control card will be to the wire feed rate V after change4, direction and change after state
Duration T4Etc. doing corresponding adjustment.State duration T after change4After, speed is restored to average speed
Spend V.At the end of welding process needs, direct current printed motor 4b stops rapidly, and Tui Si mechanisms 4c stops wire feed；Wire-drawing mechanism 3c
It then needs after reeling off raw silk from cocoons period and stalled cycles, terminates operation.
Embodiment 1：
With average wire feed rate V=100mm/s, T1=T2=50ms, dead time T3=0, for, if wishing, each cycle welding wire returns
It is 2mm, i.e. V to take out distance2*T2=2mm, the calculation shows that, V2=40mm/s, V1=240mm/s。
Operator by the characteristic parameter of pulse wire feed process first by being transported to processor.Characteristic parameter is：Averagely send
Silk speed V=100mm/s, T1=T2=50ms, dead time T3=0, V1=240mm/s。V2=40mm/s, processor is according to above-mentioned ginseng
Number is arranged BLS AC servo motors by motion control card ADT-8948 and 120SN10-CQ prints the rotating speed of direct current generator；So
For installation wire tray to Tui Si mechanisms, manual wire feed makes welding wire end stretch out resistance welding gun electric conducting nozzle afterwards.
After normal wire feed process starts, according to pulse wire feed process feature parameter value, Tui Si mechanisms are in 120SN10-CQ
It is independent to rotate a certain distance L under the drive of direct current printed motor.Due to L1=V1*T1=12mm, L1>10mm, therefore L=12mm.
It drives wire-drawing mechanism to start to rotate synchronously after the welding wire submitting in wire tray, then by BLS AC servo motors, opens
Beginning normal burst wire feed process；What wire-drawing mechanism was first carried out is wire feed process, and the welding wire of submitting is through WS-2 welding wire straightening mechanisms
Afterwards, it send to welding gun, then, further according to needs, into the welding wire pumpback stage, pumpback welding wire appropriate or pause wire feed mistake
Journey；Motion control card detects the real-time wire feed rate of Tui Si mechanisms by speed feedback device, and by motor driver to pushing away
The wire feed rate of silk mechanism is regulated and controled, it is ensured that it is identical as drawing speed to push away speed.
At the end of welding process needs, 120SN10-CQ direct current printed motors stop rapidly, and Tui Si mechanisms stop wire feed；
Wire-drawing mechanism then needs after reeling off raw silk from cocoons period and stalled cycles, terminates operation.
Embodiment 2
With average wire feed rate V=100mm/s, the wire feed rate V after change4=200mm/s, state after change it is lasting when
Between T4For=10ms, if control requirement is：When monitoring arc voltage higher than certain value, judgement is needed in constant-speed wire-feeding process
In increase wire feed rate in real time, continue for some time rear speed and restore to average speed.
The characteristic parameter of pulse wire feed process is transported to computer by operator by computer first.Characteristic parameter is：It is average
Wire feed rate V=100mm/s, V4=200mm/s, the state duration T after change4=10ms, computer is according to above-mentioned ginseng
Number is arranged BLS AC servo motors by motion control card ADT-8948 and 120SN10-CQ prints the rotating speed of direct current generator；So
For installation wire tray to Tui Si mechanisms, manual wire feed makes welding wire end stretch out resistance welding gun electric conducting nozzle afterwards.
After normal wire feed process starts, according to pulse wire feed process feature parameter value, Tui Si mechanisms are in 120SN10-CQ
It is independent to rotate a certain distance 10mm under the drive for printing direct current generator.
It drives wire-drawing mechanism to start to rotate synchronously after the welding wire submitting in wire tray, then by BLS AC servo motors, opens
Begin normal wire feed process；Motion control card detects the real-time wire feed rate of Tui Si mechanisms by speed feedback device, and passes through electricity
Machine driver regulates and controls the wire feed rate of Tui Si mechanisms, it is ensured that it is identical as drawing speed to push away speed.
When monitoring arc voltage higher than certain value, judgement needs to increase wire feed rate in real time extremely during constant-speed wire-feeding
200mm/s, duration 20ms.20ms timing times restore to rear speed to average speed 100mm/s.
At the end of welding process needs, 120SN10-CQ printing direct current generators stop rapidly, and Tui Si mechanisms stop rapidly
Wire feed；After since there is no reel off raw silk from cocoons period and stalled cycles, wire-drawing mechanism stops rapidly.
Claims (5)
1. a kind of programmable pulse wire feed control system, it is characterised in that：Including motion control card, the motion control card packet
Host computer link block and bus module are included, the host computer link block is connect with processor, the bus module packet
Two close loop control circuits are included, the close loop control circuit includes pushing away a control loop and wire drawing control loop, pushes away control
The output module in circuit is connect with a motor driver is pushed away, and is pushed away a motor driver and is connect with a motor is pushed away, and a motor driving is pushed away
The rotation of Tui Si mechanisms, Tui Si mechanisms are connect with the wire tray of supply welding wire raw material, are pushed away the input module of a control loop and are pushed away silk
Speed feedback device connects, and pushes away a speed feedback device and is connect with Tui Si mechanisms；The output module of wire drawing control loop and wire drawing
Motor driver connects, and wire drawing motor driver is connect with wire drawing motor, and wire drawing motor drives the rotation of wire-drawing mechanism, wire drawing machine
Structure filament inlet is connect with welding wire of the filament mouth of Tui Si mechanisms through conveying, and the input module and wire drawing rotating speed of wire drawing control loop are anti-
Device connection is presented, wire drawing speed feedback device is connect with wire-drawing mechanism, and wire-drawing mechanism exit is connect with welding gun；Described pushes away silk
Automatic control cushioning mechanism is equipped between mechanism and wire-drawing mechanism, automatic control cushioning mechanism includes that can accommodate two end cushion chambers of welding wire
With an intermediate buffering chamber, two end cushion chambers are connected to the exit of Tui Si mechanisms and the inlet of wire-drawing mechanism,
It is connected to through intermediate buffering chamber between the cushion chamber of end, automatic control cushioning mechanism made of being connected to intermediate buffering chamber by end cushion chamber
Overall path length be more than the straight line fed distance of welding wire between Tui Si mechanisms and wire-drawing mechanism.
2. a kind of programmable pulse wire feed control system according to claim 1, it is characterised in that：The intermediate buffering chamber
Through the scalable connection of telescopic component between at least one end cushion chamber, the welding wire motive force of the Tui Si mechanisms, which is more than, stretches
The flexible resistance of component.
3. a kind of programmable pulse wire feed control system according to claim 2, it is characterised in that：The end buffering
Chamber and intermediate buffering chamber are made of flexible material.
4. a kind of programmable pulse wire feed control system according to claim 3, it is characterised in that：The end buffering
The cross section of chamber and intermediate buffering chamber is circle, and the internal diameter of intermediate buffering chamber is more than the outer diameter of two end cushion chambers, and end is slow
The free end for rushing chamber is respectively cooperating with the both ends for being inserted into intermediate buffering chamber.
5. a kind of programmable pulse wire feed control system according to any claim in claim 1-4, feature exist
In：Welding wire straightening mechanism is equipped between the wire-drawing mechanism exit and welding gun to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088785.0A CN108296607B (en) | 2018-01-30 | 2018-01-30 | Programmable pulse wire feeding control system |
Applications Claiming Priority (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093230A (en) * | 2018-09-18 | 2018-12-28 | 昆山华恒焊接股份有限公司 | Automatic wire feeding mechanism and automatic welding machine for rodlike welding wire |
| CN109648176A (en) * | 2019-01-30 | 2019-04-19 | 杭州凯尔达机器人科技股份有限公司 | Buffer unit and welding system and welding robot for welding wire |
| CN110240023A (en) * | 2019-05-09 | 2019-09-17 | 清华四川能源互联网研究院 | A kind of wire feeder and oil/gas well pulsed discharge machine |
| CN115464240A (en) * | 2022-09-30 | 2022-12-13 | 广州数控设备有限公司 | Differential value composite wire feeding control method and device, computer equipment and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060070986A1 (en) * | 2004-09-28 | 2006-04-06 | Ihde Jeffery R | System and method of precise wire feed control in a welder |
| CN101693321A (en) * | 2009-11-06 | 2010-04-14 | 北京工业大学 | Wire feeding system of double-motor combined welding wire coordinating mechanism |
| CN101786195A (en) * | 2010-03-25 | 2010-07-28 | 杭州凯尔达电焊机有限公司 | Pushing-pulling synchronous wire feeding device and control method |
| CN102770229A (en) * | 2010-02-23 | 2012-11-07 | 伊利诺斯工具制品有限公司 | Wire feed speed referenced variable frequency pulse welding system |
| US20120285939A1 (en) * | 2009-12-18 | 2012-11-15 | Alexander Binzel Schweisstechnik Gmbh & Co. Kg | Method for controlling the advancement of the wear-away wire electrode of welding and/or soldering systems and such a welding and/or soldering system |
| CN103386538A (en) * | 2013-07-17 | 2013-11-13 | 沈阳大学 | PLC (Programmable Logic Controller)-controlled wire filling controller during pulsed tungsten inert gas welding |
| CN105598560A (en) * | 2016-02-24 | 2016-05-25 | 深圳麦格米特电气股份有限公司 | Control method for adjusting wire feeding speed by acquiring counter electromotive force |
-
2018
- 2018-01-30 CN CN201810088785.0A patent/CN108296607B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060070986A1 (en) * | 2004-09-28 | 2006-04-06 | Ihde Jeffery R | System and method of precise wire feed control in a welder |
| CN101693321A (en) * | 2009-11-06 | 2010-04-14 | 北京工业大学 | Wire feeding system of double-motor combined welding wire coordinating mechanism |
| US20120285939A1 (en) * | 2009-12-18 | 2012-11-15 | Alexander Binzel Schweisstechnik Gmbh & Co. Kg | Method for controlling the advancement of the wear-away wire electrode of welding and/or soldering systems and such a welding and/or soldering system |
| CN102770229A (en) * | 2010-02-23 | 2012-11-07 | 伊利诺斯工具制品有限公司 | Wire feed speed referenced variable frequency pulse welding system |
| CN101786195A (en) * | 2010-03-25 | 2010-07-28 | 杭州凯尔达电焊机有限公司 | Pushing-pulling synchronous wire feeding device and control method |
| CN103386538A (en) * | 2013-07-17 | 2013-11-13 | 沈阳大学 | PLC (Programmable Logic Controller)-controlled wire filling controller during pulsed tungsten inert gas welding |
| CN105598560A (en) * | 2016-02-24 | 2016-05-25 | 深圳麦格米特电气股份有限公司 | Control method for adjusting wire feeding speed by acquiring counter electromotive force |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093230A (en) * | 2018-09-18 | 2018-12-28 | 昆山华恒焊接股份有限公司 | Automatic wire feeding mechanism and automatic welding machine for rodlike welding wire |
| CN109093230B (en) * | 2018-09-18 | 2024-01-30 | 昆山华恒焊接股份有限公司 | Automatic wire feeding mechanism for rod-shaped welding wire and automatic welding machine |
| CN109648176A (en) * | 2019-01-30 | 2019-04-19 | 杭州凯尔达机器人科技股份有限公司 | Buffer unit and welding system and welding robot for welding wire |
| CN110240023A (en) * | 2019-05-09 | 2019-09-17 | 清华四川能源互联网研究院 | A kind of wire feeder and oil/gas well pulsed discharge machine |
| CN110240023B (en) * | 2019-05-09 | 2023-12-19 | 清华四川能源互联网研究院 | Wire feeder and oil gas well pulse discharge machine |
| CN115464240A (en) * | 2022-09-30 | 2022-12-13 | 广州数控设备有限公司 | Differential value composite wire feeding control method and device, computer equipment and storage medium |
| CN115464240B (en) * | 2022-09-30 | 2023-10-13 | 广州数控设备有限公司 | Differential value composite wire feeding control method and device, computer equipment and storage medium |
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