CN106903432B - Based on the laser assembly solder device and its control method rolled with weldering - Google Patents

Based on the laser assembly solder device and its control method rolled with weldering Download PDF

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Publication number
CN106903432B
CN106903432B CN201710315290.2A CN201710315290A CN106903432B CN 106903432 B CN106903432 B CN 106903432B CN 201710315290 A CN201710315290 A CN 201710315290A CN 106903432 B CN106903432 B CN 106903432B
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China
Prior art keywords
pressure
welding
plate
weldering
motor
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CN106903432A (en
Inventor
檀财旺
陈波
孟圣昊
张泽群
宋晓国
冯吉才
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Kunshan Baojin Laser Tailor Welding Co Ltd
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Harbin Institute of Technology Weihai
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    • 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
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20Bonding
    • B23K26/21Bonding by welding
    • B23K26/24Seam 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
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • B23K26/702Auxiliary equipment

Abstract

The present invention proposes a kind of based on the laser assembly solder device rolled with weldering, including the welding platform being separately fixed on ground, weld mobile platform and centering pressure apparatus, wherein the centering pressure apparatus and welding platform are set gradually on the ground along the direction of transfer to welding plate, and the welding mobile platform is across the welding platform;Pressure apparatus and postwelding pressure apparatus before laser head, weldering are connected on the welding mobile platform, before the weldering pressure apparatus and postwelding pressure apparatus can be sent to being in contact on the welding platform to welding plate, the laser beam foucing of the laser head is in the plate surface to be welded before welded between pressure apparatus and postwelding pressure apparatus;Control system controls the welding platform, welding mobile platform, centering pressure apparatus, laser head, pressure apparatus and postwelding pressure apparatus before welding by data line connection.Above-mentioned apparatus is simple and reliable for structure, easy to operate, can improve the welding effect of dissimilar metal thin plate.

Description

Based on the laser assembly solder device and its control method rolled with weldering
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 that rolls of weldering and its Control method.
Background technique
Both the industrial circle that is connected to of aluminum/steel dissimilar metal has a wide range of applications, especially in automobile industry, realize Car body weight can effectively be mitigated by being reliably connected, energy saving, reduce exhaust emissions.Aluminum/steel dissimilar metal is influenced to connect It is the control of interface intermetallic compounds layer in place of the most critical of head performance.Blocked up brittle intermetallic layer will be tight Ghost image rings the performance of connector, therefore, inhibits the generation of intermetallic compounds layer and growth is to improve the effective way of joint performance. And excessive heat input can promote thick big intermetallic compounds layer to generate.
In addition, the welding stress of light sheet material is larger, it is easy to there is the defects of HOT CRACK FOR WELDING P, welding deformation, and aluminium/ The physical and chemical performance (thermal expansion coefficient) of two kinds of materials of steel has bigger difference, and post welding distortion is particularly evident.In view of this, have 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 ideal method, but on Problem on deformation is stated to remain to be further improved.
Therefore, take auxiliary with weldering rolling method in the welding process, the synchronous pressure that applies is considered as solving in welded joints A kind of effective way of the above problem, but it is existing with weldering rolling apparatus or with weldering impact device, there is their shortcoming.
As 204771174 U of Publication No. CN patent disclosure with weldering rolling device it is huge, rolling wheel be easy stop swash Light path, or roll position and laser action position and deviate too far, the purpose with weldering is not achieved.Publication No. CN 201728471 The trailing peening device of the patent disclosure of U carries out direct contact type impact to surface of test piece using mechanical force, and the pressure of application is simultaneously Discontinuously, it is difficult to guarantee the uniformity of rolling effect, while the size of impact 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 this method is although compensate for weldering It rolls and insufficient with the part of weldering percussion mechanism, but still is that discontinuous applies pressure, the guarantee foundation of impact effect is subtracting On the basis of small impact area, and the size of impact force is difficult to quantify.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention proposes a kind of based on the laser assembly solder rolled with weldering dress It sets and its control method, to improve the welding effect of dissimilar metal.
To achieve the goals above, an aspect of of the present present invention proposes a kind of based on the laser assembly solder device that rolls of weldering, Including the welding platform being separately fixed on ground, mobile platform and centering pressure apparatus are welded, wherein the centering pressure Power device and welding platform are set gradually on the ground along the direction of transfer to welding plate, and the welding mobile platform is across institute State welding platform;Pressure apparatus and postwelding pressure apparatus before laser head, weldering are connected on the welding mobile platform, Before the weldering pressure apparatus and postwelding pressure apparatus can be sent to being in contact on the welding platform to welding plate, The laser beam foucing of the laser head is in the plate surface to be welded before welded between pressure apparatus and postwelding pressure apparatus;Control system System controls the welding platform, welding mobile platform, centering pressure apparatus, laser head, pressure before welding by data line connection Power device and postwelding pressure apparatus.
Preferably, the centering pressure apparatus includes the support column fixed on the ground;It is 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 equipped with and the transverse direction The transverse shifting wheel that guide rail is used cooperatively, the second mobile motor is additionally provided on the transverse moving mechanism, and push plate passes through laterally pressure Force snesor is connected with the transverse moving mechanism;The push plate is equipped with the groove to match with the plate shape to be welded, Second mobile motor and the transverse pressure sensor are connect by data line with the control system.
Preferably, the welding platform includes the welding base station fixed on the ground, in the Welder Make base station and be equipped with welding backing plate, protection air drain is offered on the welding backing plate, in the welding backing plate Two groups of first pressure motors are respectively equipped on the welding base station of two sides, be all provided on every group of first pressure motor there are two fastening Pressure apparatus offers fastening pressure limiting slot on each fastening pressure device, and every group of fastening pressure device passes through the fastening Pressure limiting slot connects a clam member, and described two clam members are arranged at the top of the welding backing plate, and And the gap between described two clam members is corresponding with the protection air drain;The first pressure motor by data line with The control system connection.
Preferably, the welding mobile platform includes the first support frame fixed on the ground, in first support Frame is equipped with longitudinal rail, offers longitudinal rail slot on the longitudinal rail, longitudinal shifting is equipped on the longitudinal rail Motivation structure, the longitudinal moving mechanism are equipped with first movement motor and longitudinal movement wheel, and the longitudinal movement wheel setting exists In the longitudinal rail slot, laser head mounting rack and two groups of adjustable positioning in position are equipped on the longitudinal moving mechanism Plate, the laser head mounting rack are connected with the laser head;The first movement motor passes through data line and control system System is connected.
Preferably, the postwelding pressure apparatus includes the second support frame, and second support frame passes through far from laser head The positioning plate of mounting rack is fixed on the welding mobile platform;Second pressure motor is arranged on second support frame;Institute It states second pressure motor, first pressure bar and first pressure drive rod to be from top to bottom connected in turn, wherein described Two pressure motors and first pressure bar are coaxially connected together, and first pressure sensor, institute are equipped on the first pressure bar The lower end for stating first pressure bar is equipped with the first locating shaft, and two groups of first pressure drive rods are connected with first locating shaft It connects, the end of every group of first pressure drive rod is equipped with the first rolling wheel, and the center location of first rolling wheel is equipped with first axle It holds, the first connecting shaft for connecting first pressure drive rod, the first connection the tip of the axis is equipped in the first bearing Sunk key is formed, gag lever post is connected by the sunk key with first rolling wheel;It is symmetrically set on second support frame There are two limit plate, the relative position for adjusting the limit plate and second support frame is offered on the limit plate Keyway;Wire feed bracket is equipped on the limit plate close to laser head side, the wire feed bracket is equipped with wire feeding head;Described second Pressure motor is connect by data line with the control system with the first pressure sensor.
Preferably, pressure apparatus includes third support frame before the weldering, and the third support frame passes through close to laser head The positioning plate of mounting rack is fixed on the welding mobile platform, and third pressure motor is arranged on the third support frame;Institute It states third pressure motor, second pressure bar and second pressure drive rod to be from top to bottom connected in turn, wherein described Three pressure motors and second pressure bar are coaxially connected together, and second pressure sensor, institute are equipped on the second pressure bar The lower end for stating second pressure bar is equipped with the second locating shaft, and one group of second pressure drive rod is connected on second locating shaft, The end of the second pressure drive rod is connected with the second rolling wheel, and the center location of second rolling wheel is equipped with the second axis It holds, the second connecting shaft for connecting second pressure drive rod is equipped in the second bearing, at the end of the second pressure bar End, which is additionally provided with, makes the vertically oriented plate of the second pressure drive rod axially movable, the third pressure motor and described second Pressure sensor is connected by data line with the control system.
Preferably, the first movement motor, the second mobile motor, first pressure motor, second pressure motor and Third pressure motor is all made of servo motor.
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 be placed at the push plate of the centering pressure apparatus to welding plate, by described Control system calibrates centering parameter, makes to compress to welding plate on the welding platform in and through clam member;Step 2, By adjusting the relative position of limit plate and the second support frame in the postwelding pressure apparatus, to adjust when the postwelding pressure When the surface that device treats welding plate applies preset 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 makes laser beam foucing and close to the of the laser head in the position of the plate surface to be welded Spacing between one rolling wheel is in 3 ~ 5mm;It is adjusted by adjusting the position of the third support frame in pressure apparatus before the weldering 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 sets path of welding and weldering by the control system Connect parameter;Step 5 is made the postwelding pressure apparatus by the control system and welds the surface that preceding pressure apparatus treats welding plate Apply preset pressure;Step 6, the adjustment wire feeding head and the relative position to welding plate;Step 7 treats welding plate implementation weldering It connects.
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 the L/min of 10 L/min ~ 30, and speed of welding is the m/min of 0.5 m/min ~ 3.
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 It leans on, it is easy to operate, it can be achieved that the accurate clamping that the dissimilar metal thin plate such as aluminium/steel docks, improves welding effect;It was welding Rolling wheel real-time synchronization rolls weld metal in journey, can inhibit thin plate post welding distortion and refines and changes between the metal at dissimilar metal interface Nitride layer is closed, Weld Performance is improved;First rolling wheel and the direct active position spacing of laser beam are minimum, within the scope of 5 mm, for Laser welding heats the fast feature of cooling velocity, it can be achieved that effectively rolling;Rolling pressure can real-time control, guarantee rolling effect.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram according to the present invention based on the laser assembly solder device rolled with weldering.
Fig. 2 shows the structural schematic diagrams of centering pressure apparatus according to the present invention.
Fig. 3 shows the structural schematic diagram of welding platform according to the present invention.
Fig. 4 shows the structural schematic diagram of welding mobile platform according to the present invention.
Fig. 5 shows the structural schematic diagram of postwelding pressure apparatus according to the present invention.
Fig. 6 shows the structural schematic diagram of pressure apparatus before weldering according to the present invention.
Appended drawing reference: 1- control system, 2- laser head, 3- weld mobile platform, 4- centering pressure apparatus, 5- welding Platform, 6- postwelding pressure apparatus, pressure apparatus before 7- is welded, 8- longitudinal moving mechanism, 9- longitudinal movement wheel, 10- longitudinal rail slot, 11- laser head mounting rack, 12- positioning plate, the first support frame of 13-, 14- first movement motor, 15- longitudinal rail, 16- support Column, 17- cross slide way, the second mobile motor of 18-, 19- transverse shifting wheel, 20- wait for welding plate, 21- push plate, and 22- transverse pressure passes Sensor, 23- transverse moving mechanism, 24- fastening pressure device, 25- fastening pressure limiting slot, 26- first pressure motor, 27- weldering Connecing work base station, 28- protects air drain, 29- welding backing plate, 30- clam member, 32- second pressure motor, 33- keyway, 34- limit plate, 35- first pressure bar, 36- first pressure drive rod, 37- wire feed bracket, 38- wire feeding head, 39- first are rolled Wheel, 40- hard alloy wheel, 41- sunk key, 42- first bearing, 43- gag lever post, 44- first pressure sensor, 45- second are supported Frame, 46- third support frame, 47- second pressure bar, 48- second pressure drive rod, the second rolling wheel of 49-, 50- second pressure pass Sensor, the vertically oriented plate of 51-, 52- third pressure motor.
Specific embodiment
A specific embodiment of the invention is further described with reference to the accompanying drawing.
As shown in Figure 1, according to the present invention based on including being separately fixed at ground with the laser assembly solder device that rolls of weldering On welding platform 5, mobile platform 3 and centering pressure apparatus 4 are welded, wherein the centering pressure apparatus 4 and Welder Make platform 5 to set gradually on the ground along the direction of transfer to welding plate 20, the welding mobile platform 3 is across the welding Platform 5;Pressure apparatus 7 and postwelding pressure apparatus 6 before being connected with laser head 2 on the welding mobile platform 3, welding, it is described Before welding pressure apparatus 7 and postwelding pressure apparatus 6 can be sent to connecting on the welding platform 5 to welding plate 20 Touching, the laser beam foucing of the laser head 2 is in weld before between pressure apparatus 7 and postwelding pressure apparatus 6 to 20 table of welding plate Face;Control system 1 by data line connection control the welding platform 5, welding mobile platform 3, centering pressure apparatus 4, Laser head 2, pressure apparatus 7 and postwelding pressure apparatus 6 before welding.
As shown in Fig. 2, the centering pressure apparatus 4 includes the support column 16 fixed on the ground;In the support column 16 On cross slide way 17 is installed, transverse moving mechanism 23 is installed on the cross slide way 17, on the transverse moving mechanism 23 Equipped with the transverse shifting wheel 19 being used cooperatively with the cross slide way 17, it is mobile that second is additionally provided on the transverse moving mechanism 23 Motor 18, push plate 21 are connected by transverse pressure sensor 22 with the transverse moving mechanism 23;The push plate 21 is equipped with With the groove to match to 20 shape of welding plate, welding position is reached to welding plate 20 to push.Second mobile motor 18 and the transverse pressure sensor 22 connect with the control system 1 by data line.
As shown in figure 3, the welding platform 5 includes the welding base station 27 fixed on the ground, in the weldering It connects work base station 27 and is equipped with welding backing plate 29, protection air drain 28 is offered on the welding backing plate 29, described Two groups of first pressure motors 26, every group of first pressure electricity are respectively equipped on the welding base station 27 of 29 two sides of welding backing plate It is all provided on machine 26 there are two fastening pressure device 24, offers fastening pressure limiting slot 25 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 limiting slot 25 30 are arranged at the top of the welding backing plate 29, and the gap between described two clam members 30 and the protection Air drain 28 is corresponding;The first pressure motor 26 is connect by data line with the control system 1.Pass through to welding plate 20 described Centering pressure apparatus 4 is pushed to welding position, which refers between the welding backing plate 29 and clam member 30 Position, and make the welding point of dissimilar metal 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 fixed on the ground, described first Support frame 13 is equipped with longitudinal rail 15, longitudinal rail slot 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 equipped with first movement motor 14 and longitudinal movement wheel 9, institute It states longitudinal movement wheel 9 to be arranged in the longitudinal rail slot 10, laser head mounting rack 11 is equipped on the longitudinal moving mechanism 8 And the adjustable positioning plate 12 in two groups of positions, the laser head mounting rack 11 are connected with the laser head 2;The first movement Motor 14 is connected by data line with the control system 1.
As shown in figure 5, the postwelding pressure apparatus 6 includes the second support frame 45, second support frame 45 passes through separate The positioning plate 12 of laser head mounting rack 11 is fixed on the welding mobile platform 3;The setting of second pressure motor 32 is described the On two support frames 45;The second pressure motor 32, first pressure bar 35 and first pressure drive rod 36 are from top to bottom successively It links together, wherein the second pressure motor 32 and first pressure bar 35 are coaxially connected together, in the first pressure Bar 35 is equipped with first pressure sensor 44, and the lower end of the first pressure bar 35 is equipped with the first locating shaft, two group of first pressure Power drive rod 36 is connected with first locating shaft, and the end of every group of first pressure drive rod 36 is equipped with the first rolling wheel 39, in the present embodiment, first rolling wheel 39 uses hard alloy wheel 40, and the center location of first rolling wheel 39 is set There is a first bearing 42, is equipped with the first connecting shaft for connecting first pressure drive rod 36 in the first 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, is passed through The gag lever post 43 limits the horizontal direction displacement of first rolling wheel 39;It is symmetrical on second support frame 45 Set there are two limit plate 34, keyway 33 is opened up on the limit plate 34, to adjust the limit plate 34 and described second The relative position of support 45;Wire feed bracket 37 is equipped on the limit plate 34 close to 2 side of laser head, on the wire feed bracket 37 Equipped with wire feeding head 38;The second pressure motor 32 passes through data line and the control system with the first pressure sensor 44 1 connection.
As shown in fig. 6, pressure apparatus 7 includes third support frame 46 before the weldering, the third support frame 46 passes through close The positioning plate 12 of laser head mounting rack 11 is fixed on the welding mobile platform 3, and the setting of third pressure motor 52 is described the On three support frames 46;The third pressure motor 52, second pressure bar 47 and second pressure drive rod 48 are from top to bottom successively It links together, wherein the third pressure motor 52 and second pressure bar 47 are coaxially connected together, in the second pressure Bar 47 is equipped with second pressure sensor 50, and the lower end of the second pressure bar 47 is equipped with the second locating shaft and (does not show in figure Out), one group of second pressure drive rod 48, the end connection of the second pressure drive rod 48 are connected on second locating shaft There is the second rolling wheel 49, the center location of second rolling wheel 49 is equipped with second bearing, is equipped with and is used in the second bearing The second connecting shaft for connecting second pressure drive rod 48, in order to guarantee the second pressure drive rod 48 axially movable, in institute The end for stating second pressure bar 47 is additionally provided with vertically oriented plate 51, the third pressure motor 52 and the second pressure sensor 50 are connected by data line with the control system 1.
In order to realize high-precision control, first movement motor 14 according to the present invention, the second mobile motor 18, first Pressure motor 26, second pressure motor 32 and third pressure motor 52 can use servo motor.
It is according to the present invention based on the control method of laser assembly solder device rolled with weldering the following steps are included:
Step 1 will be placed at the push plate 21 of the centering pressure apparatus 4 to welding plate 20, be calibrated by the control system 1 Centering parameter makes to compress to welding plate 20 on the welding 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 acts, so that transverse moving mechanism 23 drives push plate 21 to push to welding platform 5 to welding plate 20, the laterally pressure The real-time pressure value that force snesor 22 will test is sent to the control system 1, when real-time pressure value and first pressure threshold value When equal, 18 stopping of the second mobile motor movement reaches designated position to welding plate 20 at this time, i.e., has been in welding plate 20 Between the welding backing plate 29 and clam member 30, and the welding interface to welding plate 20 is in the protection gas At slot 28, centering operation is so far completed.
The first pressure motor 26 is driven to act by the control system 1, so that 24 band of fastening pressure device Dynamic clam member 30 moves down, to realize that the fastening for treating welding plate 20 compresses.
Step 2, by adjusting the relative position of limit plate 34 and the second support frame 45 in the postwelding pressure apparatus 6, Come adjust when the postwelding pressure apparatus 6 treat welding plate 20 surface apply preset pressure when, two the first rolling wheels 39 exist The position to 20 surface of welding plate;The laser beam foucing of the laser head 2 is adjusted in the position to 20 surface of welding plate, is made Spacing between laser beam foucing and the first rolling wheel 39 of the close laser head 2 is in 3 ~ 5mm;By adjusting being pressed before the weldering The position of third support frame 46 in power device 7 adjusts second rolling wheel 49 in the position to 20 surface of welding plate, 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: drive the first movement motor 14 to act, so that Pressure apparatus 7 is moved to specified position before longitudinal moving mechanism 8 drives the laser head 2, postwelding pressure apparatus 6 and welds.
Step 4 sets path of welding and welding parameter by the control system 1.Specific welding parameter includes swashing Optical 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 are the m/min of 0.5 m/min ~ 3.
Step 5 makes pressure apparatus 7 before the postwelding pressure apparatus 6 and weldering treat welding plate 20 by the control system 1 Surface applies preset pressure.
Detailed process is as follows: driving the third pressure motor 52 before the weldering in pressure apparatus 7 to act, so that second pressure Bar 47 drives second pressure drive rod 48 to move down, and treats 20 surface of welding plate by the second rolling wheel 49 and implements pressure, until The real-time pressure value that the second pressure sensor 50 is fed back and the second pressure threshold value set in the control system 1 are equal, The pressure that the second rolling wheel 49 applies at this time is maintained in the range of 1kN ~ 5kN.Drive second in the postwelding pressure apparatus 6 Pressure motor 32 acts, so that first pressure bar 35 drives first pressure drive rod 36 to move down, passes through the first rolling wheel 39 It treats 20 surface of welding plate and implements pressure, until the real-time pressure value and the control system of the first pressure sensor 44 feedback The third pressure threshold set in 1 is equal, and the pressure that the first rolling wheel 39 applies at this time is maintained in the range of 1kN ~ 20kN.
Step 6, the adjustment wire feeding head 38 and the relative position to welding plate 20.
Step 7 treats the implementation welding of welding plate 20.
It is according to the present invention based on simple and reliable with the laser assembly solder apparatus structure that rolls of weldering, it is easy to operate, it can be achieved that Such as the accurate clamping of the dissimilar metals thin plate such as aluminium/steel docking, improve welding effect;Rolling wheel real-time synchronization in the welding process Weld metal is rolled, can inhibit thin plate post welding distortion and refines the intermetallic compounds layer at dissimilar metal interface, improves weld seam Energy;First rolling wheel and the direct active position spacing of laser beam are minimum, within the scope of 5 mm, heat cooling speed for laser welding Fast feature is spent, it can be achieved that effectively rolling;Rolling pressure can real-time control, guarantee rolling effect.

Claims (7)

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 the centering pressure apparatus and welding platform are along to welding plate Direction of transfer set gradually on the ground, the welding mobile platform is across the welding platform;It is moved in the welding Pressure apparatus and postwelding pressure apparatus before laser head, weldering, pressure apparatus and postwelding pressure before the weldering are connected on moving platform Power device can be sent to being in contact on the welding platform to welding plate, the laser beam foucing of the laser head is in Plate surface to be welded before welding between pressure apparatus and postwelding pressure apparatus;Control system controls the weldering by data line connection Connect workbench, welding mobile platform, centering pressure apparatus, laser head, pressure apparatus and postwelding pressure apparatus before welding;Wherein The welding mobile platform includes the first support frame fixed on the ground, and longitudinal rail is equipped on first support frame, Longitudinal rail slot is offered on the longitudinal rail, and longitudinal moving mechanism, longitudinal shifting are installed on the longitudinal rail Motivation structure is equipped with first movement motor and longitudinal movement wheel, and the longitudinal movement wheel is arranged in the longitudinal rail slot, Laser head mounting rack and two groups of adjustable positioning plates in position, the laser head mounting rack are equipped on the longitudinal moving mechanism It is connected with the laser head;The first movement motor is connected by data line with the control system;The postwelding pressure Power device includes the second support frame, and second support frame is fixed on the welding by the positioning plate far from laser head mounting rack On mobile platform;Second pressure motor is arranged on second support frame;The second pressure motor, first pressure bar and First pressure drive rod is from top to bottom connected in turn, wherein the second pressure motor and first pressure bar are coaxially connected Together, first pressure sensor is equipped on the first pressure bar, it is fixed that the lower end of the first pressure bar is equipped with first Position axis, two groups of first pressure drive rods are connected with first locating shaft, and the end of every group of first pressure drive rod is equipped with First rolling wheel, the center location of first rolling wheel are equipped with first bearing, are equipped in the first bearing for connecting the First connecting shaft of one pressure actuation bar, the first connection the tip of the axis form sunk key, and gag lever post passes through the sunk key and institute The first rolling wheel is stated to be connected;It is symmetrically set on second support frame there are two limit plate, is offered on the limit plate For adjusting the keyway of the relative position of the limit plate and second support frame;On the limit plate close to laser head side Equipped with wire feed bracket, the wire feed bracket is equipped with wire feeding head;The second pressure motor and the first pressure sensor are logical Data line is crossed to connect with the control system.
2. according to claim 1 based on the laser assembly solder device rolled with weldering, it is characterised in that: the centering pressure dress Set 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 are equipped with the transverse shifting wheel being used cooperatively with the cross slide way, the cross The second mobile motor is additionally provided in mobile mechanism, push plate is connected by transverse pressure sensor with the transverse moving mechanism It connects;The push plate is equipped with the groove to match with the plate shape to be welded, second mobile motor and the transverse pressure Sensor is connect by data line with the control system.
3. according to claim 1 or 2 based on the laser assembly solder device rolled with weldering, it is characterised in that: the Welder Include the welding base station fixed on the ground as platform, welding backing plate, institute are equipped on the welding base station It states and offers protection air drain on welding backing plate, be respectively equipped on the welding base station of welding backing plate two sides Two groups of first pressure motors are all provided on every group of first pressure motor there are two fastening pressure device, on each fastening pressure device Fastening pressure limiting slot is offered, every group of fastening pressure device connects a clam member by the fastening pressure limiting slot, Described two clam members are arranged at the top of the welding backing plate, and the gap between described two clam members It is corresponding with the protection air drain;The first pressure motor is connect by data line with the control system.
4. according to claim 3 based on the laser assembly solder device rolled with weldering, it is characterised in that: pressure fills before the weldering It sets including third support frame, the third support frame is fixed on the welding by the positioning plate close to laser head mounting rack and moves On platform, third pressure motor is arranged on the third support frame;The third pressure motor, second pressure bar and second Pressure actuation bar is from top to bottom connected in turn, wherein the third pressure motor and second pressure bar are coaxially connected one It rises, second pressure sensor is equipped on the second pressure bar, the lower end of the second pressure bar is equipped with the second locating shaft, One group of second pressure drive rod is connected on second locating shaft, the end of the second pressure drive rod is connected with the second stone roller Pinch roller, the center location of second rolling wheel are equipped with second bearing, are equipped in the second bearing for connecting second pressure Second connecting shaft of drive rod, being additionally provided in the end of the second pressure bar makes the second pressure drive rod axially movable Vertically oriented plate, the third pressure motor is connected by data line with the control system with the second pressure sensor It connects.
5. according to claim 4 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 third pressure motor are all made of servo motor.
6. a kind of based on the control method as claimed in claim 4 based on the laser assembly solder device rolled with weldering, it is characterised in that: It the described method comprises the following steps:
Step 1 will be placed at the push plate of the centering pressure apparatus to welding plate, calibrate centering parameter by the control system, Make to compress to welding plate on the welding platform in and through clam member;
Step 2, by adjusting the relative position of limit plate and the second support frame in the postwelding pressure apparatus, work as institute to adjust State postwelding pressure apparatus treat welding plate surface apply preset 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 close to described Spacing between first rolling wheel of laser head is in 3~5mm;By adjusting the third support frame in pressure apparatus before the weldering 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 sets path of welding and welding parameter by the control system;
Step 5 is made the postwelding pressure apparatus by the control system and welds the surface application that preceding pressure apparatus treats welding plate Preset pressure;
Step 6, the adjustment wire feeding head and the relative position to welding plate;
Step 7 treats welding plate implementation welding.
7. the control method according to claim 6 based on the laser assembly solder device rolled with weldering, it is characterised in that: described Welding parameter in step 4 includes that laser power is 1kW~6kW, and defocusing amount is+10mm~+30mm, and Ar protection air-flow amount is 10L/min~30L/min, speed of welding are 0.5m/min~3m/min.
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