CN103008830A - CMT (Cold Metal Transfer)-based light metal arc spot welding method and device thereof - Google Patents
CMT (Cold Metal Transfer)-based light metal arc spot welding method and device thereof Download PDFInfo
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- CN103008830A CN103008830A CN2012105260078A CN201210526007A CN103008830A CN 103008830 A CN103008830 A CN 103008830A CN 2012105260078 A CN2012105260078 A CN 2012105260078A CN 201210526007 A CN201210526007 A CN 201210526007A CN 103008830 A CN103008830 A CN 103008830A
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Abstract
The invention discloses a CMT (Cold Metal Transfer)-based light metal arc spot welding method and a device thereof. The method is implemented on an arc spot welding device by using a clamping mechanism and comprises the following steps of: clamping a light metal plate to be welded through the clamping mechanism; arranging a welding gun with a welding wire of the arc spot welding device perpendicular to a board of the light metal plate and aligning the welding wire with a position of a to-be-welded point; after previously introducing protective gas to the position of the to-be-welded point, igniting arc in a CMT mode; burning the welding wire to melt the light metal plate; and forming a fusion welding joint after an arc starting stage. According to the method and the device, larger deformation caused by a large expansion coefficient of the light metal wire is reduced, and the quality and the stability of a spot welding joint are greatly improved; and the method and the device have the advantages of low cost and easiness in generalization and application.
Description
Technical field
The present invention relates to a kind of electric arc spot welding method, be specifically related to a kind of light metal electric arc spot welding method and device thereof based on CMT, belong to welding technology field.
Background technology
The light metal material such as aluminium, magnesium has that density is little, the specific strength high, and therefore substituting traditional steel with light metal material has become one of topmost method of automotive light weight technology, and this just relates to the problem that connects between the light metal.
The light metal such as aluminium, magnesium interconnection technique mainly comprises resistance spot welding, friction stir spot welding, semitubular rivet self-piercing riveting etc.The resistance spot welding technology is widely used in the connection of steel plate vehicle body, and the light metals such as aluminium, magnesium all have the characteristics such as thermal conductivity is large, resistivity is low, linear expansion coefficient is large, energy consumption uprises when therefore causing resistance spot welding, the electrode surface wearing and tearing are very fast, it is serious that nugget is mingled with pore, the problems such as welding process produces splashes, and joint quality is unstable; Friction stir spot welding belongs to the solid phase interconnection technique, have lower energy input, the less advantages such as distortion, although avoided to a certain extent the problems referred to above, but welding can stay the fabrication hole spoon after finishing, and easily produces stress and concentrates, and strength of joint is reduced, although the backfill type stirring friction spot welding technology postwelding by Germany's invention can not stay the fabrication hole spoon, but its equipment configuration is complicated, and cost and control accuracy require high, and speed of welding is slow; The semitubular rivet self-piercing riveting is widely used light metal interconnection technique, the method makes the mechanical cold forming process that forms firm interlock between rivet and the plate, the problem that exists in the time of can effectively avoiding the molten light metal weldering, has higher-strength, but the light metal elongations such as aluminium, magnesium are lower usually, joint easily cracks even embrittlement when therefore riveting light metal material, and riveted joint requires high to the rivet die Combination Design during thin plate, rivet can make cost rise simultaneously, and virtually increases body quality.
Find through the retrieval to prior art, Fronius has invented a kind of cold metal transfer technology of arc welding of (Cold Metal Transfer is called for short CMT) that is called based on welding (MIG).Because the CMT method makes the welding wire pumpback realize the transition of metal drop by Digital Control, the greatly reduction of technology of arc welding phase specific heat input with routine becomes a kind of light metal method of attachment that has application prospect.The method is generally used for the seam weldering at present, and the light metal material linear expansion coefficients such as aluminium, magnesium are large, and especially can there be very large welding deformation in joint when the welding thin plate, is difficult to finish well the connection between light metal.
Summary of the invention
The present invention is directed to the deficiency that above-mentioned prior art exists, a kind of light metal electric arc spot welding method and device thereof based on CMT is provided, namely adopt clamp mechanism in conjunction with cold metal transfer arc welding technology (being called for short CMT) spot welding, and before finishing, welding adds the receipts arc stage, weld the problem of the joint gross distortion that causes to solve continuous seam, thereby improve joint quality and the stability thereof of spot welding.
The present invention is achieved by the following technical solutions:
A kind of light metal electric arc spot welding method based on CMT; adopt clamp mechanism to implement at arc spot welded device; its by described clamp mechanism with light metal board clamping to be welded; the vertical setting of plate face of the welding gun with welding wire of described arc spot welded device and light metal plate and welding wire aimed at treat the solder joint position; after passing into protective gas in advance until the solder joint position; with the CMT pattern electric arc that ignites, welding wire combustion melting light metal plate forms joint made by flame welding through receiving arc after the stage.
Described CMT pattern refers to make the welding wire pumpback realize the transition of metal drop by Digital Control.
The described receipts arc stage changes the process that technological parameter welds before referring to weld and finishing.
Described light metal electric arc spot welding method may further comprise the steps:
The first step, be positioned on another light metal plate a light metal plate is overlapping, and by the described clamp mechanism with cushion block it clamped, this cushion block is positioned at treating under the solder joint position of lower floor's light metal plate, and tightly fits with lower floor light metal plate;
Second step, the vertical setting of plate face of the welding gun with welding wire of described arc spot welded device and light metal plate and welding wire aimed at treat the solder joint position;
The 3rd step, after pass into protective gas in advance until the solder joint position, adopt pre-set welding parameter, with the CMT pattern electric arc that ignites, the upper and lower layer of welding wire combustion melting light metal plate, this welding parameter is: welding current 127A ~ 178A, weldingvoltage 15.3V ~ 17.0V, wire feed rate 6.0m/min ~ 8.0m/min and weld interval 0.3s ~ 1.9s;
The 4th goes on foot, enters and receive the arc stage; adopt pre-set receipts arc parameter to receive arc welding; receive arc and finish to form joint made by flame welding; extinguish arcs also continues to pass into protective gas and prevents the joint oxidation; this receipts arc parameter is: receive arc current 16A ~ 85A; receive arc voltage 10V ~ 12.6V, receive arc time 0.1s ~ 1.0s.
Described light metal plate to be welded is aluminium alloy or magnesium alloy.
Another technical scheme of the present invention is:
A kind of clamp mechanism for described light metal electric arc spot welding method based on CMT, it comprises: cushion block, briquetting and compression executing agency, described cushion block be close to overlapping placement two light metal plates to be welded lower floor's light metal plate below, described briquetting be pressed on this two light metal plate to be welded upper strata light metal plate above, described compression executing agency connects respectively and drives briquetting and cushion block with two light metal board clampings to be welded.
The matrix material of described cushion block is materials with high melting point, and this materials with high melting point is copper or pottery.
Described compression executing agency is machinery, hydraulic pressure or Pneumatic Transmission mechanism.
Another technical scheme of the present invention is:
A kind of arc spot welded device for described light metal electric arc spot welding method based on CMT, it comprises: CMT electric arc welding system, welding wire, gas cylinder, robot control cabinet and robot, wherein, the CMT electric arc welding system links to each other with robot control cabinet and transmits the welding control signal, welding wire is loaded in the CMT electric arc welding system, the gas cylinder that is filled with argon gas is communicated with the CMT electric arc welding system, and robot control cabinet links to each other with robot and the transferring robot motion control signal.
Described CMT electric arc welding system comprises: welding gun, wire-feed motor, host power supply and tank for coolant, wherein, welding gun is contained in the end of described robot, and link to each other successively with wire-feed motor, host power supply, tank for coolant, wire-feed motor is controlled by host power supply, described welding wire device is in wire-feed motor and welding gun, tank for coolant provides power supply and control signal to cool off whole CMT electric arc welding system by host power supply, and host power supply links to each other with described robot control cabinet with input, output signal in the transmission welding process.
The artificial industrial machinery arm of described machine, it has six axles that rotatablely move, and described welding gun is installed on wherein the 6th axle.
The present invention compared with prior art has the following advantages: the present invention replaces continuously seam weldering with spot welding, thereby has reduced to a great extent the moderate finite deformation that causes greatly owing to the light metal linear expansion coefficient; In addition, receive the arc stage by clamp mechanism and introducing with cushion block, greatly improved tack-weld quality and stability thereof; The present invention simply is easy to realize, compares self-piercing riveting technique, has advantages of that cost is low, and on realize for a long time the not impact of welding method of vehicle body parts assembling based on resistance spot welding process, is easy to apply.
Description of drawings
Fig. 1 is the schematic diagram of clamp mechanism of the present invention.
Fig. 2 is the schematic diagram of arc spot welded device of the present invention.
Fig. 3 is the process schematic diagram that the present invention is based on the light metal electric arc spot welding method of CMT.
The specific embodiment
The below elaborates to embodiments of the invention, and this embodiment provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment take technical solution of the present invention as prerequisite.
Light metal electric arc spot welding method based on CMT of the present invention adopts clamp mechanism to implement at arc spot welded device; its by described clamp mechanism with light metal board clamping to be welded; the vertical setting of plate face of the welding gun with welding wire of described arc spot welded device and light metal plate and welding wire aimed at treat the solder joint position; after passing into protective gas in advance until the solder joint position; with the CMT pattern electric arc that ignites; welding wire combustion melting light metal plate forms joint made by flame welding through receiving arc after the stage.
Described CMT pattern refers to the CMT method that Austrian Fronius company proposes, and the method makes the welding wire pumpback realize the transition of metal drop by Digital Control, compares the sweating heat input with the arc welding droplet transfer mode of routine and can greatly reduce.
The described receipts arc stage is changed into the process that low technological parameter welds before referring to weld end.
Described light metal plate to be welded is aluminium alloy or magnesium alloy.
Among the present invention, CMT spot welding can solve the problem that continuous seam weldering makes the joint gross distortion; Clamping device can be avoided because of problems such as the excessive welding that causes of when welding light metal plate gap are unstable; Bottom light metal plate is close to cushion block can solve the problem that joint that CMT point postwelding produces subsides even the crack occurs; Welding process add to be received the arc stage and can be solved the problems such as the postwelding joint alligatoring of CMT point and welding quality be unstable.Therefore, the present invention can greatly improve tack-weld quality and stability thereof.
As shown in Figure 1, the clamp mechanism that is used for described light metal electric arc spot welding method based on CMT comprises: cushion block 3, briquetting 4 and compress executing agency 5, described cushion block 3 be close to two light metal plates 1 to be welded of overlapping placement and lower floor's light metal plate 2 of 2 below, the matrix material of this cushion block 3 is the high-melting-point materials such as copper or pottery; Described briquetting 4 be pressed on this two light metal plate 1 to be welded and 2 upper strata light metal plate 1 above; Described compression executing agency 5 connects respectively and drives briquetting 4 and cushion block 3 clamps two light metal plates 1 to be welded and 2, and this compresses executing agency be mechanical, hydraulic pressure or Pneumatic Transmission mechanism.
As shown in Figure 2, the arc spot welded device that is used for described light metal electric arc spot welding method based on CMT comprises: CMT electric arc welding system 7, welding wire 6, gas cylinder 8, robot control cabinet 9 and robot 10; Wherein, CMT electric arc welding system 7 links to each other with robot control cabinet 9 and transmits the welding control signal, welding wire 6 is loaded in the CMT electric arc welding system 7, and the gas cylinder 8 that is filled with argon gas is communicated with CMT electric arc welding system 7, and robot control cabinet 9 links to each other with robot 10 and transferring robot 10 motion control signals.
Described CMT electric arc welding system 7 comprises: welding gun 11, wire-feed motor 12, host power supply 13 and tank for coolant 14; Wherein, welding gun 11 is contained in the end of described robot 10, and links to each other successively with wire-feed motor 12, host power supply 13, tank for coolant 14; Wire-feed motor 12 is by host power supply 13 controls, and described welding wire 6 devices are in wire-feed motor 12 and welding gun 11, and its fusing upper strata light metal plate 1 and lower floor's light metal plate 2 form joint made by flame welding; Tank for coolant 14 provides power supply and control signal by host power supply 13, and with the whole CMT electric arc welding system 7 of cooling in welding process, host power supply 13 links to each other with described robot control cabinet 9 with input, output signal in the transmission welding process.
Described robot 10 is the industrial machinery arm, weight capacity and the radius of clean-up satisfy the arc welding requirement, and it has six axles that rotatablely move, and described welding gun 11 is installed on wherein the 6th axle, this robot 10 drives welding gun 11 in the welding process, makes it accurately be positioned the light metal plate and treats the solder joint position.
Light metal electric arc spot welding method based on CMT of the present invention may further comprise the steps, and sees also 3:
The first step, be positioned over that (Fig. 3 a) on another light metal plate 2 with a light metal plate 1 is overlapping, and by with the described clamp mechanism of cushion block 3 with its clamping (Fig. 3 c), this cushion block 3 is positioned at treating under the solder joint position of lower floor's light metal plate 2, and with lower floor light metal plate 2 tightly fit (Fig. 3 b);
Second step, the vertical setting of plate face of the welding gun with welding wire 6 11 of described arc spot welded device and light metal plate 1 and welding wire 6 aimed at treat solder joint position (Fig. 3 d);
The 3rd step, after pass into protective gas in advance until the solder joint position (Fig. 3 e), adopt pre-set welding parameter, with the CMT pattern electric arc that ignites, the upper and lower layer of welding wire combustion melting light metal plate (Fig. 3 f, g), this welding parameter is: welding current 127A ~ 178A, weldingvoltage 15.3V ~ 17.0V, wire feed rate 6.0m/min ~ 8.0m/min and weld interval 0.3s ~ 1.9s;
The 4th goes on foot, enters and receive the arc stage; adopt pre-set receipts arc parameter to receive arc welding; receive arc and finish to form joint made by flame welding (Fig. 3 i; j); extinguish arcs also continues to pass into protective gas and prevents joint oxidation (Fig. 3 h); this receipts arc parameter is: receive arc current 16A ~ 85A, receive arc voltage 10V ~ 12.6V, receive arc time 0.1s ~ 1.0s.
Be the embodiment that adopts the present invention light metal to be carried out the CMT electric arc spot welding below, all adopt clamp mechanism and the arc spot welded device of said structure among this embodiment.
Embodiment 1
Technological parameter: welding current is 153A, voltage 16.2V, and wire feed rate 7.0m/min, be 0.7s weld interval; The receipts arc current is 16A, and the receipts arc voltage is 10V, and receiving the arc time is 0.5s; Welding wire pumpback frequency 70Hz; Adopt argon gas as protective gas, its flow is 15L/min.
The present embodiment course of work is as follows:
The first step, with aluminium alloy plate 1 overlapping being positioned on the aluminium alloy plate 2, by the clamp mechanism with cushion block 3 it is clamped, wherein cushion block 3 is positioned at aluminium alloy plate 2 and treats under the solder joint position, and tightly fits with aluminium alloy plate 2;
Second step, 1 vertical setting of welding gun 11 and aluminium alloy plate that will have welding wire 6 and welding wire 6 are aimed at and are treated the solder joint position;
The 3rd step, after pass into protective gas in advance until the solder joint position, adopt pre-set welding parameter, with the CMT pattern electric arc that ignites, welding wire 6 combustion melting aluminium alloy plates 1 and aluminium alloy plate 2;
The 4th step, enter the arc stage of receiving, adopts pre-set receipts arc parameter to receive arc welding, formation joint made by flame welding after receiving arc and finishing, extinguish arcs also continues to pass into protective gas and prevents the joint oxidation.
The present embodiment welds under above-mentioned welding parameter condition, aluminium alloy plate 1, aluminium alloy plate 2 and the cushion block 3 that not only can guarantee to treat the solder joint position with the clamp mechanism of cushion block 3 are tightly fitted, and cushion block 3 can be avoided subsiding because of the low joint that causes of aluminium alloy fusing point effectively, introduce simultaneously the receipts arc stage and played good transitional function, solved the problem of joint alligatoring, thereby welding quality and stability thereof have been improved, can obtain good tack-weld, the smooth symmetry of joint pattern, without splashing, the weld defects such as pore, crackle are few.Postwelding adopts universal testing machine to stretch, and joint can reach higher shear strength.Simultaneously, multiple spot series spot welding joint pattern is smooth attractive in appearance, and post welding distortion is little, and upper and lower two-layer aluminium alloy plate 1 and 2 basic maintenances are smooth, compare with the seam weldering, without obviously bending, adopt the method for the invention can greatly reduce to be connected the distortion of workpiece.
Technological parameter: welding current is 148A, voltage 15.7V, and wire feed rate 6.8m/min, be 0.7s weld interval; the receipts arc current is 16A, and the receipts arc voltage is 10V, and receiving the arc time is 0.5s; welding wire pumpback frequency 70Hz adopts argon gas as protective gas, and its flow is 15L/min.
The present embodiment course of work is as follows:
The first step, with magnesium alloy plate 1 overlapping being positioned on the magnesium alloy plate 2, by the clamp mechanism with cushion block 3 it is clamped, wherein cushion block 3 is positioned at magnesium alloy plate 2 and treats under the solder joint position, tightly fits with magnesium alloy plate 2;
Second step, 1 vertical setting of welding gun 11 and magnesium alloy plate that will have welding wire 6 and welding wire 6 are aimed at and are treated the solder joint position;
The 3rd step, after pass into protective gas in advance until the solder joint position, adopt pre-set welding parameter, with the CMT pattern electric arc that ignites, welding wire 6 combustion melting magnesium alloy plates 1 and magnesium alloy plate 2;
The 4th step, enter the arc stage of receiving, adopts pre-set receipts arc parameter to receive arc welding, formation joint made by flame welding after receiving arc and finishing, extinguish arcs also continues to pass into protective gas and prevents the joint oxidation.
The present embodiment welds under above-mentioned welding parameter condition, magnesium alloy plate 1, magnesium alloy plate 2 and the cushion block 3 that not only can guarantee to treat the solder joint position with the clamping device of cushion block 3 are tightly fitted, and cushion block 3 can be avoided subsiding because of the low joint that causes of magnesium alloy fusing point effectively, introduce simultaneously the receipts arc stage and played good transitional function, solved the problem of joint alligatoring, thereby welding quality and stability raising thereof, can obtain good tack-weld, the smooth symmetry of joint pattern, without splashing, the weld defects such as pore, crackle are less.Postwelding adopts universal testing machine to stretch, and joint can reach higher shear strength.Simultaneously, multiple spot series spot welding joint pattern is smooth attractive in appearance, and post welding distortion is little, and upper and lower two-layer magnesium alloy plate 1 and 2 basic maintenances are smooth, compare with the seam weldering, without obviously bending, adopt the method for the invention can greatly reduce to be connected the distortion of workpiece.
Technological parameter: welding current is 127A, voltage 15.3V, and wire feed rate 6.0m/min, be 0.3s weld interval; The receipts arc current is 45A, and the receipts arc voltage is 11.5V, and receiving the arc time is 0.1s; Welding wire pumpback frequency 70Hz; Adopt argon gas as protective gas, its flow is 15L/min.
The present embodiment course of work is as follows:
The first step, with aluminium alloy plate 1 overlapping being positioned on the aluminium alloy plate 2, by the clamp mechanism with cushion block 3 it is clamped, wherein cushion block 3 is positioned at aluminium alloy plate 2 and treats under the solder joint position, and tightly fits with aluminium alloy plate 2;
Second step, 1 vertical setting of welding gun 11 and aluminium alloy plate that will have welding wire 6 and welding wire 6 are aimed at and are treated the solder joint position;
The 3rd step, after pass into protective gas in advance until the solder joint position, adopt pre-set welding parameter, with the CMT pattern electric arc that ignites, welding wire 6 combustion melting aluminium alloy plates 1 and aluminium alloy plate 2;
The 4th step, enter the arc stage of receiving, adopts pre-set receipts arc parameter to receive arc welding, formation joint made by flame welding after receiving arc and finishing, extinguish arcs also continues to pass into protective gas and prevents the joint oxidation.
Technological parameter: welding current is 178A, voltage 17.0V, and wire feed rate 8.0m/min, be 1.9s weld interval; the receipts arc current is 85A, and the receipts arc voltage is 12.6V, and receiving the arc time is 1.0s; welding wire pumpback frequency 70Hz adopts argon gas as protective gas, and its flow is 15L/min.
The present embodiment course of work is as follows:
The first step, with magnesium alloy plate 1 overlapping being positioned on the magnesium alloy plate 2, by the clamp mechanism with cushion block 3 it is clamped, wherein cushion block 3 is positioned at magnesium alloy plate 2 and treats under the solder joint position, tightly fits with magnesium alloy plate 2;
Second step, 1 vertical setting of welding gun 11 and magnesium alloy plate that will have welding wire 6 and welding wire 6 are aimed at and are treated the solder joint position;
The 3rd step, after pass into protective gas in advance until the solder joint position, adopt pre-set welding parameter, with the CMT pattern electric arc that ignites, welding wire 6 combustion melting magnesium alloy plates 1 and magnesium alloy plate 2;
The 4th step, enter the arc stage of receiving, adopts pre-set receipts arc parameter to receive arc welding, formation joint made by flame welding after receiving arc and finishing, extinguish arcs also continues to pass into protective gas and prevents the joint oxidation.
Claims (14)
1. light metal electric arc spot welding method based on CMT; adopt clamp mechanism to implement at arc spot welded device; it is characterized in that; by described clamp mechanism with light metal board clamping to be welded; the vertical setting of plate face of the welding gun with welding wire of described arc spot welded device and light metal plate and welding wire aimed at treat the solder joint position, after passing into protective gas in advance until the solder joint position, with the CMT pattern electric arc that ignites; welding wire combustion melting light metal plate forms joint made by flame welding through receiving arc after the stage.
2. the light metal electric arc spot welding method based on CMT according to claim 1 is characterized in that, described CMT pattern refers to make the welding wire pumpback realize the transition of metal drop by Digital Control.
3. the light metal electric arc spot welding method based on CMT according to claim 1 is characterized in that, changes the process that technological parameter welds before the described receipts arc stage refers to weld and finishes.
4. the light metal electric arc spot welding method based on CMT according to claim 1 is characterized in that, described light metal electric arc spot welding method may further comprise the steps:
The first step, be positioned on another light metal plate a light metal plate is overlapping, and by the described clamp mechanism with cushion block it clamped, this cushion block is positioned at treating under the solder joint position of lower floor's light metal plate, and tightly fits with lower floor light metal plate;
Second step, the vertical setting of plate face of the welding gun with welding wire of described arc spot welded device and light metal plate and welding wire aimed at treat the solder joint position;
The 3rd step, after pass into protective gas in advance until the solder joint position, adopts pre-set welding parameter, with the CMT pattern electric arc that ignites, upper and lower layer of light metal plate of welding wire combustion melting;
The 4th step, enter the arc stage of receiving, adopts pre-set receipts arc parameter to receive arc welding, receive arc and finish the formation joint made by flame welding, extinguish arcs also continues to pass into protective gas and prevents the joint oxidation.
5. the light metal electric arc spot welding method based on CMT according to claim 4, it is characterized in that, described the 3rd the step in welding parameter be: welding current 127A ~ 178A, weldingvoltage 15.3V ~ 17.0V, wire feed rate 6.0m/min ~ 8.0m/min and weld interval 0.3s ~ 1.9s.
6. the light metal electric arc spot welding method based on CMT according to claim 4 is characterized in that, the receipts arc parameter in described the 4th step is: receive arc current 16A ~ 85A, receive arc voltage 10V ~ 12.6V, receive arc time 0.1s ~ 1.0s.
7. according to claim 1 or 4 described light metal electric arc spot welding methods based on CMT, it is characterized in that, described light metal plate to be welded is aluminium alloy or magnesium alloy.
8. clamp mechanism that is used for claim 1 or 4 described light metal electric arc spot welding methods based on CMT, it is characterized in that, described clamp mechanism comprises: cushion block, briquetting and compression executing agency, described cushion block be close to overlapping placement two light metal plates to be welded lower floor's light metal plate below, described briquetting be pressed on this two light metal plate to be welded upper strata light metal plate above, described compression executing agency connects respectively and drives briquetting and cushion block with two light metal board clampings to be welded.
9. clamp mechanism according to claim 8 is characterized in that, the matrix material of described cushion block is materials with high melting point.
10. clamp mechanism according to claim 9 is characterized in that, described materials with high melting point is copper or pottery.
11. clamp mechanism according to claim 8 is characterized in that, described compression executing agency is machinery, hydraulic pressure or Pneumatic Transmission mechanism.
12. arc spot welded device that is used for claim 1 or 4 described light metal electric arc spot welding methods based on CMT, it is characterized in that, described arc spot welded device comprises: CMT electric arc welding system, welding wire, gas cylinder, robot control cabinet and robot, wherein, the CMT electric arc welding system links to each other with robot control cabinet and transmits the welding control signal, welding wire is loaded in the CMT electric arc welding system, the gas cylinder that is filled with argon gas is communicated with the CMT electric arc welding system, and robot control cabinet links to each other with robot and the transferring robot motion control signal.
13. arc spot welded device according to claim 12, it is characterized in that, described CMT electric arc welding system comprises: welding gun, wire-feed motor, host power supply and tank for coolant, wherein, welding gun is contained in the end of described robot, and with wire-feed motor, host power supply, tank for coolant links to each other successively, wire-feed motor is controlled by host power supply, described welding wire device is in wire-feed motor and welding gun, tank for coolant provides power supply and control signal to cool off whole CMT electric arc welding system by host power supply, and host power supply links to each other with described robot control cabinet with the input in the transmission welding process, output signal.
14. arc spot welded device according to claim 12 is characterized in that, the artificial industrial machinery arm of described machine, and it has six axles that rotatablely move, and described welding gun is installed on wherein the 6th axle.
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| CN106607641A (en) * | 2015-10-23 | 2017-05-03 | 宝山钢铁股份有限公司 | Cold metal transfer welding process of magnesium alloy thin-walled workpiece |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4359599A (en) * | 1980-02-13 | 1982-11-16 | Westinghouse Electric Corp. | Electrical conductor connection and method of making same |
| CN1623735A (en) * | 2004-12-16 | 2005-06-08 | 上海交通大学 | Mechanism for fast holding thin sheet |
| CN101648312A (en) * | 2009-06-17 | 2010-02-17 | 宁波江丰电子材料有限公司 | Method for welding aluminum materials |
| CN101695784A (en) * | 2009-11-04 | 2010-04-21 | 中国船舶重工集团公司第七二五研究所 | Method for cold arc welding of titanium and titanium alloy |
| CN102049591A (en) * | 2010-12-29 | 2011-05-11 | 上海交通大学 | Dissimilar metal spot welding system of light metal and coated steel and welding method thereof |
| CN102126064A (en) * | 2011-03-10 | 2011-07-20 | 上海交通大学 | Light metal and bare steel plate spot-welding method based on bulk forming solder |
| CN102179639A (en) * | 2011-04-12 | 2011-09-14 | 兰州理工大学 | Cold metal transition fusion welding-soldering connection method for magnesium steel dissimilar metal |
| CN102371421A (en) * | 2011-10-08 | 2012-03-14 | 哈尔工业大学 | Cold metal transition welding method and device thereof |
| CN102500869A (en) * | 2011-11-01 | 2012-06-20 | 上海交通大学 | Novel metal material arc spot welding method |
| KR20120071789A (en) * | 2010-12-23 | 2012-07-03 | 대우조선해양 주식회사 | Hybrid gas metal arc welding method of horizontal butt welding part |
-
2012
- 2012-12-07 CN CN2012105260078A patent/CN103008830A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4359599A (en) * | 1980-02-13 | 1982-11-16 | Westinghouse Electric Corp. | Electrical conductor connection and method of making same |
| CN1623735A (en) * | 2004-12-16 | 2005-06-08 | 上海交通大学 | Mechanism for fast holding thin sheet |
| CN101648312A (en) * | 2009-06-17 | 2010-02-17 | 宁波江丰电子材料有限公司 | Method for welding aluminum materials |
| CN101695784A (en) * | 2009-11-04 | 2010-04-21 | 中国船舶重工集团公司第七二五研究所 | Method for cold arc welding of titanium and titanium alloy |
| KR20120071789A (en) * | 2010-12-23 | 2012-07-03 | 대우조선해양 주식회사 | Hybrid gas metal arc welding method of horizontal butt welding part |
| CN102049591A (en) * | 2010-12-29 | 2011-05-11 | 上海交通大学 | Dissimilar metal spot welding system of light metal and coated steel and welding method thereof |
| CN102126064A (en) * | 2011-03-10 | 2011-07-20 | 上海交通大学 | Light metal and bare steel plate spot-welding method based on bulk forming solder |
| CN102179639A (en) * | 2011-04-12 | 2011-09-14 | 兰州理工大学 | Cold metal transition fusion welding-soldering connection method for magnesium steel dissimilar metal |
| CN102371421A (en) * | 2011-10-08 | 2012-03-14 | 哈尔工业大学 | Cold metal transition welding method and device thereof |
| CN102500869A (en) * | 2011-11-01 | 2012-06-20 | 上海交通大学 | Novel metal material arc spot welding method |
Cited By (9)
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|---|---|---|---|---|
| CN103358024A (en) * | 2013-06-28 | 2013-10-23 | 宁波方太厨具有限公司 | Laser spot welding method for metal panel components |
| CN103358024B (en) * | 2013-06-28 | 2015-07-08 | 宁波方太厨具有限公司 | Laser spot welding method for metal panel components |
| CN104227193A (en) * | 2014-09-28 | 2014-12-24 | 中国电子科技集团公司第三十八研究所 | Method for welding large-sized radar structural members |
| CN104227193B (en) * | 2014-09-28 | 2017-05-31 | 中国电子科技集团公司第三十八研究所 | Radar large-sized structural parts welding method |
| CN104607771A (en) * | 2015-01-19 | 2015-05-13 | 中船重工鹏力（南京）智能装备***有限公司 | Clamp follow-up sheet TIG spot welding self-fluxing fixing welding machine head device |
| CN106607641A (en) * | 2015-10-23 | 2017-05-03 | 宝山钢铁股份有限公司 | Cold metal transfer welding process of magnesium alloy thin-walled workpiece |
| CN105397325A (en) * | 2015-12-31 | 2016-03-16 | 长春大正博凯汽车设备有限公司 | Vehicle body assembly as well as connection technology and connection device thereof |
| CN109128433A (en) * | 2018-10-31 | 2019-01-04 | 安徽忠旺铝合金精深加工有限公司 | A kind of aluminium alloy light weight vehicle body automatic Welding Process |
| CN112338424A (en) * | 2020-11-26 | 2021-02-09 | 常州市科翡焊接成套设备制造有限公司 | Automatic paste tight formula welding set that polishes |
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Application publication date: 20130403 |