CN106903432A - Based on the laser assembly solder device and its control method that are rolled with weldering - Google Patents
Based on the laser assembly solder device and its control method that are rolled with weldering Download PDFInfo
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- CN106903432A CN106903432A CN201710315290.2A CN201710315290A CN106903432A CN 106903432 A CN106903432 A CN 106903432A CN 201710315290 A CN201710315290 A CN 201710315290A CN 106903432 A CN106903432 A CN 106903432A
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- Prior art keywords
- pressure
- welding
- weldering
- plate
- pressure apparatus
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Classifications
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Abstract
The present invention proposes a kind of based on the laser assembly solder device rolled with weldering, including the welding job platform being separately fixed on ground, welding mobile platform and centering pressure apparatus, wherein described centering pressure apparatus and welding job platform set gradually on the ground along the direction of transfer for treating welding plate, and the welding mobile platform is across the welding job platform；It is described welding mobile platform on be connected with laser head, weldering before pressure apparatus and postwelding pressure apparatus, pressure apparatus and postwelding pressure apparatus can treat that welding plate is in contact with being sent on the welding job platform before the weldering, and the laser beam foucing of the laser head is in the preceding plate surface to be welded between pressure apparatus and postwelding pressure apparatus of weldering；Control system connects the control welding job platform, welding mobile platform, centering pressure apparatus, laser head, pressure apparatus and postwelding pressure apparatus before weldering by data wire.Said apparatus are simple and reliable for structure, easy to operate, can improve the welding effect of dissimilar metal thin plate.
Description
Technical field
The present invention relates to materials processing engineering field, more particularly to it is a kind of based on the laser assembly solder device rolled with weldering and its
Control method.
Background technology
The industrial circle that is connected to of aluminum/steel dissimilar metal has a wide range of applications, and especially in automobile industry, realizes the two
Being reliably connected can effectively mitigate car body weight, saving energy consumption, reduce exhaust emissions.Influence aluminum/steel dissimilar metal connects
The most critical part of head performance is the control of interface intermetallic compounds layer.Blocked up brittle intermetallic layer will be tight
Ghost image rings the performance of joint, therefore, the generation and growth that suppress intermetallic compounds layer are the effective ways for improving joint performance.
And excessive heat input can promote thick big intermetallic compounds layer to generate.
Additionally, the welding stress of light sheet material is larger, it is easy to the defects such as HOT CRACK FOR WELDING P, welding deformation occur, and aluminium/
Two kinds of physical and chemical performances of material of steel（Thermal coefficient of expansion）There is bigger difference, post welding distortion is particularly evident.This is directed to, is had
The method for laser welding of smaller heat input and heat affected area be considered as it is a kind of weld aluminum/steel dissimilar metal Perfected process, but on
Problem on deformation is stated to remain to be further improved.
Therefore, take auxiliary with weldering rolling method in welding process, pressure is synchronously applied in welded joints and is considered as solving
A kind of effective way of above mentioned problem, but it is existing with weldering rolling apparatus or with weldering impact device, there is their weak point.
Huge with weldering rolling device as disclosed in the patent of the U of Publication No. CN 204771174, rolling wheel easily stops sharp
Light path, or roll that position is too remote with laser action positional deviation, do not reach the purpose with weldering.Publication No. CN 201728471
Trailing peening device disclosed in the patent of U, direct contact type impact is carried out to surface of test piece using mechanical force, and the pressure of applying is simultaneously
Discontinuously, it is difficult to ensure the uniformity of rolling effect, while the size of impulsive force is difficult to quantify.Chinese patent ZL03132581.5
Disclosed weld with trailing impactive rolling device is the technology of a kind of new control welding stress and deformation, and the method is although compensate for weldering
Roll not enough with part with weldering percussion mechanism, but still be that discontinuous applies pressure, the guarantee of its impact effect is set up and subtracted
On the basis of small impact area, and the size of impulsive force is difficult to quantify.
The content of the invention
In order to solve the deficiencies in the prior art, the present invention proposes a kind of based on the laser assembly solder rolled with weldering dress
Put and its control method, to improve the welding effect of dissimilar metal.
To achieve these goals, an aspect of of the present present invention propose it is a kind of based on the laser assembly solder device that rolls of weldering,
Including the welding job platform being separately fixed on ground, mobile platform and centering pressure apparatus are welded, wherein the centering pressure
Power apparatus and welding job platform set gradually on the ground along the direction of transfer for treating welding plate, and the welding mobile platform is across institute
State welding job platform；It is described welding mobile platform on be connected with laser head, weldering before pressure apparatus and postwelding pressure apparatus,
Pressure apparatus and postwelding pressure apparatus can treat that welding plate is in contact with being sent on the welding job platform before the weldering,
The laser beam foucing of the laser head is in the preceding plate surface to be welded between pressure apparatus and postwelding pressure apparatus of weldering；Control system
System connects the control welding job platform, welding mobile platform, centering pressure apparatus, laser head, pressure before weldering by data wire
Power apparatus and postwelding pressure apparatus.
Preferably, the centering pressure apparatus includes the support column for fixing on the ground；Installed on the support column
There is cross slide way, transverse moving mechanism is installed on the cross slide way, the transverse moving mechanism is provided with and the transverse direction
The transverse shifting wheel that guide rail is used cooperatively, is additionally provided with the second mobile motor on the transverse moving mechanism, push pedal is by laterally pressing
Force snesor is connected with the transverse moving mechanism；The push pedal is provided with the groove matched with the plate shape to be welded,
Second mobile motor and the transverse pressure sensor are connected by data wire with the control system.
Preferably, the welding job platform includes the welding job base station for fixing on the ground, in the Welder
Make base station and be provided with welding job backing plate, protection air drain is offered on the welding job backing plate, in the welding job backing plate
Two groups of first pressure motors are respectively equipped with the welding job base station of both sides, two fastenings are equipped with every group of first pressure motor
Pressure apparatus, offers fastening pressure stopper slot on each fastening pressure device, every group of fastening pressure device is by the fastening
Pressure stopper slot connects a clam member, and described two clam members are arranged at the top of the welding job backing plate, and
And the space between described two clam members is corresponding with the protection air drain；The first pressure motor by data wire with
The control system connection.
Preferably, the welding mobile platform includes the first support frame for fixing on the ground, in the described first support
Frame is provided with longitudinal rail, and longitudinal rail groove is offered on the longitudinal rail, and longitudinal shifting is provided with the longitudinal rail
Motivation structure, the longitudinal moving mechanism is provided with the first mobile motor and vertically moves wheel, and the wheel that vertically moves is arranged on
In the longitudinal rail groove, laser head mounting bracket and two groups of adjustable positioning in position are provided with the longitudinal moving mechanism
Plate, the laser head mounting bracket is connected with the laser head；First mobile motor is by data wire and the control system
System is connected.
Preferably, the postwelding pressure apparatus includes the second support frame, and second support frame is by away from laser head
The location-plate of mounting bracket is fixed on the welding mobile platform；Second pressure motor is arranged on second support frame；Institute
State second pressure motor, first pressure bar and first pressure drive link to be from top to bottom connected in turn, wherein described
Together with two pressure motors are coaxially connected with first pressure bar, first pressure sensor, institute are provided with the first pressure bar
The bottom for stating first pressure bar is provided with the first locating shaft, and two groups of first pressure drive links are connected with first locating shaft
Connect, the end of every group of first pressure drive link is provided with the first rolling wheel, and the home position of first rolling wheel is provided with first axle
Hold, the first connecting shaft for connecting first pressure drive link, the first connection the tip of the axis are provided with the clutch shaft bearing
Sunk key is formed, gag lever post is connected by the sunk key with first rolling wheel；It is symmetrical on second support frame to set
There are two limiting plates, offered on the limiting plate for adjusting the limiting plate with the relative position of second support frame
Keyway；Wire feed support is being provided with the limiting plate of laser head side, the wire feed support is provided with wire feeding head；Described second
Pressure motor is connected by data wire with the first pressure sensor with the control system.
Preferably, pressure apparatus includes the 3rd support frame before the weldering, and the 3rd support frame is by near laser head
The location-plate of mounting bracket is fixed on the welding mobile platform, and the 3rd pressure motor is arranged on the 3rd support frame；Institute
State the 3rd pressure motor, second pressure bar and second pressure drive link to be from top to bottom connected in turn, wherein described
Together with three pressure motors are coaxially connected with second pressure bar, second pressure sensor, institute are provided with the second pressure bar
The bottom for stating second pressure bar is provided with the second locating shaft, and one group of second pressure drive link is connected on second locating shaft,
The end of the second pressure drive link is connected with the second rolling wheel, and the home position of second rolling wheel is provided with the second axle
Hold, the second connecting shaft for connecting second pressure drive link is provided with the second bearing, at the end of the second pressure bar
End is additionally provided with and makes the second pressure drive link vertically oriented plate axially movable, the 3rd pressure motor and described second
Pressure sensor is connected by data wire with the control system.
Preferably, first mobile motor, the second mobile motor, first pressure motor, second pressure motor and
3rd pressure motor uses servomotor.
Another aspect of the present invention also proposed a kind of based on the above-mentioned control based on the laser assembly solder device rolled with weldering
Method, the described method comprises the following steps：Step 1, will treat that welding plate is placed at the push pedal of the centering pressure apparatus, by described
Control system calibrates centering parameter, makes to treat that welding plate is compressed on the welding job platform in and through clam member；Step 2,
Adjusted when the postwelding pressure by adjusting the relative position of the limiting plate in the postwelding pressure apparatus and the second support frame
When the surface that device treats welding plate applies default pressure, two the first rolling wheels are in the position of the plate surface to be welded；Adjustment
The laser beam foucing of the laser head in the position of the plate surface to be welded, make laser beam foucing near the of the laser head
Spacing between one rolling wheel is in 3 ~ 5mm；Adjusted by adjusting the position of the 3rd support frame before the weldering in pressure apparatus
Second rolling wheel makes the spacing between laser beam foucing and second rolling wheel exist in the position of the plate surface to be welded
100~120mm；The position of step 3, adjustment welding zero point；Step 4, by the control system set path of welding and weldering
Connect parameter；Step 5, make the postwelding pressure apparatus and weldering by the control system before pressure apparatus treat the surface of welding plate
Apply default pressure；Step 6, the adjustment wire feeding head and the relative position for treating welding plate；Step 7, treat welding plate implement weldering
Connect.
Preferably, the welding parameter in the step 4 include laser power be 1kW ~ 6kW, defocusing amount be+10 mm ~+
30 mm, Ar protection air-flow amount are 10 L/min ~ 30 L/min, and speed of welding is 0.5 m/min ~ 3 m/min.
The beneficial effect of the program of the present invention is above-mentioned based on simply may be used with the laser assembly solder apparatus structure that rolls of weldering
Lean on, it is easy to operate, the accurate clamping of such as dissimilar metal such as aluminium/steel thin plate docking is capable of achieving, improve welding effect；Welding
Rolling wheel real-time synchronization rolls weld metal in journey, can suppress thin plate post welding distortion and change between refining the metal at dissimilar metal interface
Compound layer, improves Weld Performance；First rolling wheel is minimum with laser beam direct effect position spacing, in the range of 5 mm, for
The characteristics of laser welding heating cooling velocity is fast, is capable of achieving effectively to roll；Rolling pressure can real-time control, it is ensured that rolling effect.
Brief description of the drawings
Fig. 1 shows the structural representation based on the laser assembly solder device rolled with weldering involved in the present invention.
Fig. 2 shows the structural representation of centering pressure apparatus involved in the present invention.
Fig. 3 shows the structural representation of welding job platform involved in the present invention.
Fig. 4 shows the structural representation of welding mobile platform involved in the present invention.
Fig. 5 shows the structural representation of postwelding pressure apparatus involved in the present invention.
Fig. 6 shows the structural representation of pressure apparatus before weldering involved in the present invention.
Reference：1- control systems, 2- laser heads, 3- welding mobile platforms, 4- centering pressure apparatus, 5- welding jobs
Platform, 6- postwelding pressure apparatus, pressure apparatus before 7- welderings, 8- longitudinal moving mechanisms, 9- vertically moves wheel, 10- longitudinal rail grooves,
11- laser head mounting brackets, 12- location-plates, the support frames of 13- first, the mobile motors of 14- first, 15- longitudinal rails, 16- supports
Post, 17- cross slide ways, the mobile motors of 18- second, 19- transverse shifting wheels, 20- treats welding plate, and 21- push pedals, 22- transverse pressures are passed
Sensor, 23- transverse moving mechanisms, 24- fastening pressure devices, 25- fastening pressure stopper slots, 26- first pressure motors, 27- welderings
Connect work base station, 28- protection air drains, 29- welding job backing plates, 30- clam members, 32- second pressure motors, 33- keyways,
34- limiting plates, 35- first pressure bars, 36- first pressure drive links, 37- wire feed supports, 38- wire feeding heads, 39- first is rolled
Wheel, 40- hard alloy wheels, 41- sunk keies, 42- clutch shaft bearings, 43- gag lever posts, 44- first pressure sensors, 45- second is supported
Frame, the support frames of 46- the 3rd, 47- second pressure bars, 48- second pressure drive links, the rolling wheels of 49- second, 50- second pressures are passed
Sensor, the vertically oriented plates of 51-, the pressure motors of 52- the 3rd.
Specific embodiment
Specific embodiment of the invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1, involved in the present invention include being separately fixed at ground based on the laser assembly solder device rolled with weldering
On welding job platform 5, weld mobile platform 3 and centering pressure apparatus 4, wherein the centering pressure apparatus 4 and Welder
Make platform 5 to be set gradually on the ground along the direction of transfer for treating welding plate 20, the welding mobile platform 3 is across the welding job
Platform 5；It is described welding mobile platform 3 on be connected with laser head 2, weldering before pressure apparatus 7 and postwelding pressure apparatus 6, it is described
Pressure apparatus 7 and postwelding pressure apparatus 6 can welding plate 20 connect with treating on the welding job platform 5 is sent to before weldering
Touch, the laser beam foucing of the laser head 2 treats the table of welding plate 20 before being in weldering between pressure apparatus 7 and postwelding pressure apparatus 6
Face；Control system 1 by data wire connect the control welding job platform 5, welding mobile platform 3, centering pressure apparatus 4,
Laser head 2, pressure apparatus 7 and postwelding pressure apparatus 6 before weldering.
As shown in Fig. 2 the centering pressure apparatus 4 includes the support column 16 for fixing on the ground；In the support column 16
On cross slide way 17 is installed, on the cross slide way 17 install transverse moving mechanism 23, on the transverse moving mechanism 23
The transverse shifting wheel 19 used cooperatively with the cross slide way 17 is provided with, the second movement is additionally provided with the transverse moving mechanism 23
Motor 18, push pedal 21 is connected by transverse pressure sensor 22 with the transverse moving mechanism 23；The push pedal 21 is provided with
The groove that the shape of welding plate 20 matches is treated with described, treats that welding plate 20 reaches welding position to promote.Second mobile motor
18 and the transverse pressure sensor 22 be connected with the control system 1 by data wire.
As shown in figure 3, the welding job platform 5 includes the welding job base station 27 for fixing on the ground, in the weldering
Connect work base station 27 and be provided with welding job backing plate 29, protection air drain 28 is offered on the welding job backing plate 29, described
Two groups of first pressure motors 26, every group of first pressure electricity are respectively equipped with the welding job base station 27 of the both sides of welding job backing plate 29
Two fastening pressure devices 24 are equipped with machine 26, fastening pressure stopper slot 25 is offered on each fastening pressure device 24, often
Group fastening pressure device 24 connects a clam member 30, described two clam members by the fastening pressure stopper slot 25
30 tops for being arranged at the welding job backing plate 29, and the space between described two clam members 30 and the protection
Air drain 28 is corresponding；The first pressure motor 26 is connected by data wire with the control system 1.Treat welding plate 20 by described
Centering pressure apparatus 4 is pushed to welding position, and the welding position refers between the welding job backing plate 29 and clam member 30
Position, and make dissimilar metal welding point be in it is described protection air drain 28 position.
As shown in figure 4, the welding mobile platform 3 includes the first support frame 13 for fixing on the ground, described first
Support frame 13 is provided with longitudinal rail 15, and longitudinal rail groove 10 is offered on the longitudinal rail 15, in the longitudinal rail 15
On longitudinal moving mechanism 8 is installed, the longitudinal moving mechanism 8 is provided with the first mobile motor 14 and vertically moves wheel 9, institute
State and vertically move wheel and 9 be arranged in the longitudinal rail groove 10, laser head mounting bracket 11 is provided with the longitudinal moving mechanism 8
And two groups of adjustable location-plates 12 in position, the laser head mounting bracket 11 is connected with the laser head 2；First movement
Motor 14 is connected by data wire with the control system 1.
As shown in figure 5, the postwelding pressure apparatus 6 include the second support frame 45, second support frame 45 by away from
The location-plate 12 of laser head mounting bracket 11 is fixed on the welding mobile platform 3；Second pressure motor 32 is arranged on described
On two support frames 45；The second pressure motor 32, first pressure bar 35 and first pressure drive link 36 are from top to bottom successively
Link together, wherein together with the second pressure motor 32 is coaxially connected with first pressure bar 35, in the first pressure
Bar 35 is provided with first pressure sensor 44, and the bottom of the first pressure bar 35 is provided with the first locating shaft, and two group first is pressed
Power drive link 36 is connected with first locating shaft, and the end of every group of first pressure drive link 36 is provided with the first rolling wheel
39, in the present embodiment, using hard alloy wheel 40, the home position of first rolling wheel 39 sets first rolling wheel 39
There is a clutch shaft bearing 42, be provided with the first connecting shaft for connecting first pressure drive link 36 in the clutch shaft bearing 42, described the
One connection the tip of the axis forms sunk key 41, and gag lever post 43 is connected with first rolling wheel 39 by the sunk key 41, passed through
The horizontal direction displacement of first rolling wheel 39 of the gag lever post 43 pairs carries out spacing；It is symmetrical on second support frame 45
Be provided with two limiting plates 34, keyway 33 is opened up on the limiting plate 34, to adjust the limiting plate 34 with described second
The relative position of support 45；Wire feed support 37 is being provided with the limiting plate 34 of the side of laser head 2, on the wire feed support 37
It is provided with wire feeding head 38；The second pressure motor 32 passes through data wire and the control system with the first pressure sensor 44
1 connection.
As shown in fig. 6, pressure apparatus 7 includes the 3rd support frame 46 before the weldering, the 3rd support frame 46 is by being close to
The location-plate 12 of laser head mounting bracket 11 is fixed on the welding mobile platform 3, and the 3rd pressure motor 52 is arranged on described the
On three support frames 46；The 3rd pressure motor 52, second pressure bar 47 and second pressure drive link 48 are from top to bottom successively
Link together, wherein together with the 3rd pressure motor 52 is coaxially connected with second pressure bar 47, in the second pressure
Bar 47 is provided with second pressure sensor 50, and the bottom of the second pressure bar 47 is provided with the second locating shaft（Do not show in figure
Go out）, one group of second pressure drive link 48, the end connection of the second pressure drive link 48 are connected on second locating shaft
The home position for having the second rolling wheel 49, second rolling wheel 49 is provided with second bearing, be provided with the second bearing for
Second connecting shaft of connection second pressure drive link 48, in order to ensure the second pressure drive link 48 axially movable, in institute
The end for stating second pressure bar 47 is additionally provided with vertically oriented plate 51, the 3rd pressure motor 52 and the second pressure sensor
50 are connected by data wire with the control system 1.
In order to realize high-precision control, the first mobile motor 14, the second mobile motor 18, first involved in the present invention
Pressure motor 26, the pressure motor 52 of second pressure motor 32 and the 3rd can use servomotor.
Control method based on the laser assembly solder device rolled with weldering involved in the present invention is comprised the following steps：
Step 1, will treat that welding plate 20 is placed at the push pedal 21 of the centering pressure apparatus 4, centering is calibrated by the control system 1
Parameter, makes to treat that welding plate 20 is compressed on the welding job platform 5 in and through clam member 30.
Specific centering process is as follows, and first pressure threshold value is set in the control system 1, drives second movement
Motor 18 is acted so that transverse moving mechanism 23 drives push pedal 21 to be pushed to welding job platform 5 and treats welding plate 20, the laterally pressure
The real-time pressure value that force snesor 22 will be detected is sent to the control system 1, when real-time pressure value and first pressure threshold value
When equal, the stopping of the second mobile motor 18 action now treats that welding plate 20 reaches specified location, that is, treat that welding plate 20 has been in
Between the welding job backing plate 29 and clam member 30, and the welding interface for treating welding plate 20 is in the protection gas
At groove 28, centering operation is so far completed.
Drive the first pressure motor 26 to act by the control system 1, and then cause the band of fastening pressure device 24
Dynamic clam member 30 is moved down, to realize that the fastening for treating welding plate 20 is compressed.
Step 2, the relative position by adjusting the support frame 45 of limiting plate 34 and second in the postwelding pressure apparatus 6,
To adjust when the surface that the postwelding pressure apparatus 6 treats welding plate 20 applies default pressure, two the first rolling wheels 39 exist
The position for treating the surface of welding plate 20；The laser beam foucing of the laser head 2 is adjusted in the position for treating the surface of welding plate 20, is made
Laser beam foucing and the spacing between the first rolling wheel 39 of the laser head 2 are in 3 ~ 5mm；Pressed before by adjusting the weldering
The position of the 3rd support frame 46 in power apparatus 7 adjusts second rolling wheel 49 in the position for treating the surface of welding plate 20,
Make the spacing between laser beam foucing and second rolling wheel 49 in 100 ~ 120mm.
The position of step 3, adjustment welding zero point.Detailed process is as follows：First mobile motor 14 is driven to act so that
Longitudinal moving mechanism 8 drives the laser head 2, postwelding pressure apparatus 6 and pressure apparatus 7 moves to the position specified before weldering.
Step 4, by the control system 1 set path of welding and welding parameter.Specific welding parameter includes swashing
Luminous power is 1kW ~ 6kW, and defocusing amount is+10 mm of mm ~+30, and protection gas uses Ar gas, and shield gas flow rate is 10 L/min
~ 30 L/min, speed of welding is 0.5 m/min ~ 3 m/min.
Step 5, made by the control system 1 the postwelding pressure apparatus 6 and weldering before pressure apparatus 7 treat welding plate 20
Surface applies default pressure.
Detailed process is as follows：The 3rd pressure motor 52 before the weldering in pressure apparatus 7 is driven to act so that second pressure
Bar 47 drives second pressure drive link 48 to move down, and treats the surface of welding plate 20 by the second rolling wheel 49 and implements pressure, until
The real-time pressure value of the feedback of second pressure sensor 50 is equal with the second pressure threshold value of setting in the control system 1,
The pressure that now the second rolling wheel 49 applies is maintained in the range of 1kN ~ 5kN.Drive second in the postwelding pressure apparatus 6
Pressure motor 32 is acted so that first pressure bar 35 drives first pressure drive link 36 to move down, by the first rolling wheel 39
Treat the surface of welding plate 20 and implement pressure, until the real-time pressure value and the control system of the first pressure sensor 44 feedback
The 3rd pressure threshold of setting is equal in 1, and the pressure that now the first rolling wheel 39 applies is maintained in the range of 1kN ~ 20kN.
Step 6, the adjustment wire feeding head 38 and the relative position for treating welding plate 20.
Step 7, treat welding plate 20 implement welding.
Involved in the present invention is simple and reliable based on the laser assembly solder apparatus structure rolled with weldering, easy to operate, is capable of achieving
For example the accurate clamping of the dissimilar metal such as aluminium/steel thin plate docking, improves welding effect；The rolling wheel real-time synchronization in welding process
Weld metal is rolled, thin plate post welding distortion can be suppressed and the intermetallic compounds layer at dissimilar metal interface is refined, improve weld seam
Energy；First rolling wheel is minimum with laser beam direct effect position spacing, in the range of 5 mm, for laser welding heating cooling speed
The characteristics of spending fast, is capable of achieving effectively to roll；Rolling pressure can real-time control, it is ensured that rolling effect.
Claims (9)
1. a kind of based on the laser assembly solder device rolled with weldering, it is characterised in that：Including the Welder being separately fixed on ground
Make platform, weld mobile platform and centering pressure apparatus, wherein welding plate is treated on the centering pressure apparatus and welding job platform edge
Direction of transfer set gradually on the ground, it is described welding mobile platform across the welding job platform；Moved in the welding
Pressure apparatus and postwelding pressure apparatus, pressure apparatus and postwelding pressure before the weldering before laser head, weldering are connected with moving platform
Power apparatus can treat that welding plate is in contact with being sent on the welding job platform, and the laser beam foucing of the laser head is in
Plate surface to be welded before weldering between pressure apparatus and postwelding pressure apparatus；Control system connects the control weldering by data wire
Connect workbench, welding mobile platform, centering pressure apparatus, laser head, pressure apparatus and postwelding pressure apparatus before weldering.
2. according to claim 1 based on the laser assembly solder device rolled with weldering, it is characterised in that：The centering pressure dress
Put the support column including fixing on the ground；Cross slide way is installed on the support column, is installed on the cross slide way
Transverse moving mechanism, the transverse moving mechanism is provided with the transverse shifting wheel used cooperatively with the cross slide way, the horizontal stroke
To the second mobile motor is additionally provided with travel mechanism, push pedal is connected by transverse pressure sensor with the transverse moving mechanism
Connect；The push pedal is provided with the groove matched with the plate shape to be welded, second mobile motor and the transverse pressure
Sensor is connected by data wire with the control system.
3. according to claim 1 and 2 based on the laser assembly solder device rolled with weldering, it is characterised in that：The Welder
Making platform includes the welding job base station for fixing on the ground, and welding job backing plate, institute are provided with the welding job base station
State and protection air drain is offered on welding job backing plate, be respectively equipped with the welding job base station of the welding job backing plate both sides
Two groups of first pressure motors, are equipped with two fastening pressure devices on every group of first pressure motor, on each fastening pressure device
Fastening pressure stopper slot is offered, every group of fastening pressure device connects a clam member by the fastening pressure stopper slot,
Described two clam members are arranged at the top of the welding job backing plate, and the space between described two clam members
It is corresponding with the protection air drain；The first pressure motor is connected by data wire with the control system.
4. according to claim 3 based on the laser assembly solder device rolled with weldering, it is characterised in that：The welding is mobile flat
Platform includes the first support frame for fixing on the ground, longitudinal rail is provided with first support frame, on the longitudinal rail
Longitudinal rail groove is offered, longitudinal moving mechanism is installed on the longitudinal rail, the longitudinal moving mechanism is provided with
One mobile motor and wheel is vertically moved, the wheel that vertically moves is arranged in the longitudinal rail groove, is vertically moved described
Mechanism is provided with laser head mounting bracket and two groups of adjustable location-plates in position, the laser head mounting bracket and the laser head phase
Connection；First mobile motor is connected by data wire with the control system.
5. according to claim 4 based on the laser assembly solder device rolled with weldering, it is characterised in that：The postwelding pressure dress
Put including the second support frame, second support frame is fixed on the welding movement by the location-plate away from laser head mounting bracket
On platform；Second pressure motor is arranged on second support frame；The second pressure motor, first pressure bar and first
Pressure actuation bar is from top to bottom connected in turn, wherein the second pressure motor is coaxially connected one with first pressure bar
Rise, first pressure sensor be provided with the first pressure bar, the bottom of the first pressure bar is provided with the first locating shaft,
Two groups of first pressure drive links are connected with first locating shaft, and the end of every group of first pressure drive link is provided with the first stone roller
Pinch roller, the home position of first rolling wheel is provided with clutch shaft bearing, is provided with for connecting first pressure in the clutch shaft bearing
First connecting shaft of drive link, the first connection the tip of the axis forms sunk key, and gag lever post passes through the sunk key and described first
Rolling wheel is connected；It is symmetrical on second support frame to be provided with two limiting plates, offered for adjusting on the limiting plate
The keyway of the whole limiting plate and the relative position of second support frame；Sent being provided with the limiting plate of laser head side
Silk support, the wire feed support is provided with wire feeding head；The second pressure motor passes through data with the first pressure sensor
Line is connected with the control system.
6. according to claim 4 or 5 based on the laser assembly solder device that rolls of weldering, it is characterised in that：Pressed before the weldering
Power apparatus include the 3rd support frame, and the 3rd support frame is fixed on the welding by near the location-plate of laser head mounting bracket
On mobile platform, the 3rd pressure motor is arranged on the 3rd support frame；The 3rd pressure motor, second pressure bar and
Second pressure drive link is from top to bottom connected in turn, wherein the 3rd pressure motor is coaxially connected with second pressure bar
Together, second pressure sensor is provided with the second pressure bar, the bottom of the second pressure bar is provided with second and determines
Position axle, connects one group of second pressure drive link on second locating shaft, and the end of the second pressure drive link is connected with
Second rolling wheel, the home position of second rolling wheel is provided with second bearing, is provided with the second bearing for connecting the
Second connecting shaft of two pressure actuation bars, being additionally provided with the end of the second pressure bar makes the second pressure drive link along axle
To the vertically oriented plate of motion, the 3rd pressure motor is with the second pressure sensor by data wire and the control system
System is connected.
7. according to claim 6 based on the laser assembly solder device rolled with weldering, it is characterised in that：The first movement electricity
Machine, the second mobile motor, first pressure motor, second pressure motor and the 3rd pressure motor use servomotor.
8. a kind of based on the control method based on the laser assembly solder device rolled with weldering described in claim 6, it is characterised in that：
The described method comprises the following steps：
Step 1, will treat that welding plate is placed at the push pedal of the centering pressure apparatus, centering parameter calibrated by the control system,
Make to treat that welding plate is compressed on the welding job platform in and through clam member；
Step 2, work as institute to adjust by adjusting the relative position of the limiting plate in the postwelding pressure apparatus and the second support frame
State postwelding pressure apparatus treat welding plate surface apply default pressure when, two the first rolling wheels are in the plate surface to be welded
Position；The laser beam foucing of the laser head is adjusted in the position of the plate surface to be welded, makes laser beam foucing and near described
Spacing between first rolling wheel of laser head is in 3 ~ 5mm；By adjusting the 3rd support frame before the weldering in pressure apparatus
Position adjusts second rolling wheel in the position of the plate surface to be welded, make laser beam foucing and second rolling wheel it
Between spacing in 100 ~ 120mm；
The position of step 3, adjustment welding zero point；
Step 4, by the control system set path of welding and welding parameter；
Step 5, made by the control system postwelding pressure apparatus and weldering before pressure apparatus treat welding plate surface apply
Default pressure；
Step 6, the adjustment wire feeding head and the relative position for treating welding plate；
Step 7, treat welding plate implement welding.
9. according to claim 8 based on the control method for welding the laser assembly solder device for rolling, it is characterised in that：It is described
Welding parameter in step 4 includes that laser power is 1kW ~ 6kW, and defocusing amount is+10 mm of mm ~+30, and Ar protection air-flow amounts are
10 L/min ~ 30 L/min, speed of welding is 0.5 m/min ~ 3 m/min.
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| CN201710315290.2A CN106903432B (en) | 2017-05-08 | 2017-05-08 | Based on the laser assembly solder device and its control method rolled with weldering |
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Effective date of registration: 20220815 Address after: 215300 No. 289, Jinshun Road, Jinxi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: KUNSHAN BAOJIN LASER TAILOR-WELDED Co.,Ltd. Address before: 264200 No. 2, Wenhua West Road, Shandong, Weihai Patentee before: HARBIN INSTITUTE OF TECHNOLOGY (WEIHAI) |
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