CN208427821U - A kind of double welding gun high-speed welding device - Google Patents
A kind of double welding gun high-speed welding device Download PDFInfo
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- CN208427821U CN208427821U CN201821132712.9U CN201821132712U CN208427821U CN 208427821 U CN208427821 U CN 208427821U CN 201821132712 U CN201821132712 U CN 201821132712U CN 208427821 U CN208427821 U CN 208427821U
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Abstract
The utility model provides a kind of double welding gun high-speed welding device, the first gun rack of welding gun is answered including the first welding gun and the second welding gun and respectively stationary phase, second gun rack, the welding current of first welding gun and the second welding gun is respectively by the first electric welding machine and the second electric welder control, first electric welding machine and the second electric welding machine are controlled by automatic control system, automatic control system includes master controller, its output end is connected with the human-computer interaction device of touch screen type, the master controller is also connected with monitoring system, it is monitored in real time for the molten bath welding situation to the first welding gun and the second welding gun.The utility model is welded simultaneously using two welding guns; speed of welding can be effectively improved; so that continuous weld length is longer; by adjusting single welding current and speed welding gun; realize the alternation of two welding guns; with the switching of single, double welding gun working condition, scaling loss capillary can be replaced in non-stop-machine situation, effectively promotion welding efficiency.
Description
Technical field
The utility model relates to metal tube longitudinal seam welding fields, and in particular to a kind of double welding gun high-speed welding device.
Background technique
In the prior art, general that welding gun is welded using one, the problem is that:
1, speed of welding is lower, under the conditions of certain thickness metal material, welding electricity required for speed of welding is faster
Flow bigger, metal heated thawing speed is also faster, when speed of welding and welding current reach a certain limit of the metal, metal
The speed of the cooling recrystallization of solution does not catch up with thawing speed, and weld seam just will appear wave and marginal trough at this time, which is claimed
For " undercut defect ", and excessively high welding current will lead to the quick scaling loss of capillary, to seriously affect welding quality, these are former
Because causing existing speed of welding lower；
2, maximum continuous weld length is limited, since capillary understands scaling loss after a period of time is used continuously, leads to electric arc not
Stablize, need at this time shut down will capillary reconditioning or replacement capillary after, be further continued for welding, this make the continuous weld length of pipe by
To limitation.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of double welding gun high speeds for metal tube longitudinal seam welding
Welder is welded simultaneously using two welding guns, can effectively improve speed of welding, so that continuous weld length is longer；This
Utility model another technical problem to be solved is, by adjusting single welding current and speed welding gun, to realize two welderings
The alternation of rifle, and the switching of single welding gun, double welding gun working condition, can replace scaling loss weldering in non-stop-machine situation
Needle, effectively promotion welding efficiency.
To achieve the above object, the technical scheme adopted by the utility model is
A kind of double welding gun high-speed welding device, which is characterized in that including the first welding gun 11 and the second welding gun 12 and respectively
Stationary phase answers the first gun rack 21 of welding gun, the second gun rack 22, the welding current of first welding gun 11 and the second welding gun 12
It is controlled respectively by the first electric welding machine 31 and the second electric welding machine 32, first electric welding machine 31 and the second electric welding machine 32 are by automatic control
System 5 processed controls, and the automatic control system 5 includes master controller.
Further, the master controller output end is connected with the human-computer interaction device 6 of touch screen type, and the master controller is also
It is connected with monitoring system, the monitoring system includes the first camera 41, second camera 42, is respectively used to the first welding gun
11, the molten bath welding situation of the second welding gun 12 is monitored in real time, and resulting monitored picture can be on human-computer interaction device 6 simultaneously
Split screen display available.
Further, the master controller is programmable logic controller (PLC) PLC or industrial control computer IPC.
Further, operation key is configured on the human-computer interaction device 6.
Preferably, the operation key is button or switch or knob.
Compared with prior art, the utility model has the beneficial effects that
1, it is welded simultaneously using two welding guns, in the case where same total current, single current reduction welding gun, from
And make continuous weld length longer；
2, a weld seam is welded simultaneously using two welding guns, total current is shared at two, i.e. metal melt and again
Crystallization process is also shared, to solve high speed, high current state places an order and welding gun welding will appear asking for undercut defect
Topic, the limit velocity that undercut defect occurs in double welding gun welding increases, so that speed of welding is got higher；
3, the welding current and speed of welding gun in the welding process, are realized the alternating work of two welding guns by adjusting list
Make, and single welding gun, the switching of double welding gun working condition, to replace scaling loss capillary in non-stop-machine situation, after replacement again
The secondary adjustment for carrying out welding current and speed of welding, makes production line speed of welding reach highest again, finally realizes welding efficiency
Be substantially improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of single welding gun metal tube longitudinal seam welding device in the prior art.
Fig. 2 is the structural schematic diagram of double welding gun high-speed welding device provided by the utility model.
Fig. 3 is the work step flow chart of double welding gun high-speed welding device provided by the utility model.
Fig. 4 be double welding gun high-speed welding device provided by the utility model do not shut down replacement welding gun capillary welding current show
It is intended to.
Fig. 5 is the maximum welding speed and welding current contrast schematic diagram of the utility model embodiment and comparative example.
Description of symbols:
1 ': welding gun, 2 ': capillary, 7 ': weld seam, 8 ': metal tube；11: the first welding guns, 12: the second welding guns, 21: the first welding guns
Frame, 22: the second gun racks, 31: the first electric welding machines, 32: the second electric welding machines, 41: the first cameras, 42: second camera, 5: from
Autocontrol system, 6: human-computer interaction device, 7: weld seam, 8: metal tube；
Ia: the first welding gun current curve, the Ib: the second welding gun current curve, Iw: normal weld electric current, Is: striking electric current,
Tbs: the second welding gun striking time, Tl: striking success detection time, Tt: two welding gun welding current alt times, Tas: the first
The welding gun quenching time；
A: the first welding gun current curve, the B: the second welding gun current curve, C: single welding gun current curve.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.It should be appreciated that herein
The specific embodiment of description is only used for explaining the utility model, is not used to limit the utility model.
As shown in Fig. 2, a kind of double welding gun high-speed welding device, including the first welding gun 11 and the second welding gun 12 and solid respectively
The welding current of the first gun rack 21, the second gun rack 22 of fixed corresponding welding gun, the first welding gun 11 and the second welding gun 12 respectively by
First electric welding machine 31 and the control of the second electric welding machine 32, the first gun rack 21 and the second gun rack 22 can top to bottom, left and right, front and rear from
It is adjusted by three-dimensional is mobile, can be adjusted by motor driven or manually knob adjusting is realized, the first welding gun 11, the second welding gun 12
Top to bottom, left and right, front and rear being carried out by corresponding gun rack respectively, freely three-dimensional movement is adjusted and angle of welding gun is adjusted, the first electricity
Welding machine 31 and the second electric welding machine 32 are controlled by automatic control system 5, and automatic control system 5 includes master controller, two welding guns
The starting the arc, arc extinguishing, welding current, speed of welding by main controller controls, master controller be programmable logic controller (PLC) PLC or
Industrial control computer IPC, master controller output end are connected with the human-computer interaction device 6 of touch screen type, and master controller is also connected with
Monitoring system, monitoring system include the first camera 41, second camera 42, are respectively used to the first welding gun 11, the second welding gun
12 molten bath welding situation monitored in real time, resulting monitored picture can on human-computer interaction device 6 display screen simultaneously split screen
It has been shown that, by master controller reception come the real-time welding signal of self-monitoring system, according to the automation journey worked out in master controller
Sequence, controls the first electric welding machine 31, the second electric welding machine 32 respectively to adjust the welding current of the first welding gun 11, the second welding gun 12,
It realizes the alternation of two welding guns, and the switching of single welding gun, double welding gun working condition, reaches and do not shut down sequential welding for a long time
The purpose connect.It is defeated to be provided with a variety of inputs of display screen, touch screen, button, switch, knob by human-computer interaction device 6 in the present embodiment
Equipment out is integrated on a station, operator can by human-computer interaction device carry out welding parameter setting, save or
Transfer, weld start and stop selection, welding gun exchange, double welding gun at the same weld, welded condition monitor in real time, welding current and speed it is real-time
The operation such as fine tuning, while there is emergency stop function when happening suddenly unexpected occur.According to the automation journey worked out in master controller
Sequence, the first electric welding machine 31 being controlled by it, the second electric welding machine 32 can adjust the first welding gun 11, the second welding gun 12 respectively in real time
Welding current, also can control that the first welding gun 11 works independently, two welding guns work at the same time or the second welding gun 12 works independently.
No matter carry out the welding of single welding gun or double welding gun welded, automatic control system 5 can guarantee welding current size at any time with weldering
Connect synchronous velocity control.Double welding gun high-speed welding device provided by the utility model, metal tube are fed forward by dragger, are made
With two welding guns, to metal tube, weld seam is welded thereon simultaneously, can effectively improve speed of welding, so that continuous weld length is more
It is long, by adjusting single welding current and speed welding gun, realize the alternation of two welding guns, and single welding gun, double welding gun
The switching of working condition can replace scaling loss capillary in non-stop-machine situation, effectively promotion welding efficiency.
Double welding gun high-speed welding device work step flow chart provided by the utility model as shown in figure 3, device start when,
Start button is manually pressed, PLC is calculated after receiving enabled instruction by program, and dragger, electric welding machine enabled instruction, traction are exported
Mechanical, electrical welding machine starting is calculated by PLC program after manual operation raising speed/push buttondown in lifting speed, exports corresponding finger
It enables to dragger, electric welding machine, synchronizes raising speed/reduction of speed；When needing replacing capillary, replacement capillary instruction, PLC are manually pressed
It is calculated after receiving instruction by program, automatically controls the connected electric welding machine welding current of intact capillary and increase, while weldering to be replaced
The connected electric welding machine electric current of needle reduces, and PLC program instruction controls two electric welding machine current synchronizations adjustment, keep welding quality not by
It influences, after the connected electric welding machine electric current of capillary to be replaced is progressively smaller until arc extinguishing, manually removes capillary and replace intact capillary,
Start button is pressed again, former intact capillary connection electric welding machine electric current reduces, and new capillary connection electric welding machine electric current of replacing increases, until
Two electric welding machine current balance types.
When there is welding gun capillary to occur burning phenomenon, the capillary of the first welding gun 11 occurs burning phenomenon needs in the present embodiment
Replace capillary, as shown in figure 4, the second welding gun 12 is automatically with Is striking current arc ignition, once detect the second welding gun 12 open arc at
The electric current of function, the second welding gun 12 will incrementally increase, and current curve Ib is as shown, the electric current of the first welding gun 11 is gradually simultaneously
Reduce, current curve Ia is as shown, electric current when the first welding gun 11 works independently before 12 electric current of the second welding gun reaches
After Iw, hereafter the automatic arc extinguishing of the first welding gun 11 advances to the second welding gun 12 and works independently state, can manually carry out at this time
The replacement capillary of one welding gun 11 operates.Above-mentioned behaviour is repeated when phenomenon needs replacing capillary when burning occurs in the capillary of the second welding gun 12
Make, so realizes and do not shut down the purpose continuously welded for a long time.
Comparative example:
As shown in Figure 1, existing list welding gun metal tube longitudinal seam welding device, works welding gun 1 ' using single, thereon capillary 2 '
Weld seam 7 ' is welded, metal tube 8 ' is the aluminum pipe of wall thickness 2.4mm, as shown in figure 5, abscissa V indicates speed of welding, indulges and sits
Marking I indicates welding current, maximum weld electric current ImaxFor 150A, maximum welding speed V1It, will be out if further accelerated for 2.5m/min
Existing undercut defect.
Embodiment:
The present embodiment metal tube 8 is the aluminum pipe of wall thickness 2.4mm, the first welding gun 11 and the second welding gun 12 simultaneously to weld seam 7 into
Row welding, capillary is as close to as shown in figure 5, C indicates single welding gun current curve, two welding guns under double welding gun mode thereon
Welding current and speed of welding as shown in curve A, B, A, B respectively indicate the first welding gun, the second welding gun current curve, can see
Out, when being worked at the same time using double welding gun, since two welding guns have shared welding current, main controller controls the first welding gun electric current
140A, the second welding gun electric current 150A, so that highest welding speed V2It is greatly increased to 3.6m/min, improving productivity 1.44
Times.
The above is only the preferred embodiment of the utility model only, is not used to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (5)
1. a kind of double welding gun high-speed welding device, which is characterized in that including the first welding gun (11) and the second welding gun (12) and divide
Other stationary phase answers the first gun rack (21) of welding gun, the second gun rack (22), first welding gun (11) and the second welding gun (12)
Welding current controlled respectively by the first electric welding machine (31) and the second electric welding machine (32), first electric welding machine (31) and second electric
Welding machine (32) is controlled by automatic control system (5), and the automatic control system (5) includes master controller.
2. a kind of double welding gun high-speed welding device according to claim 1, which is characterized in that the master controller output end
It is connected with the human-computer interaction device (6) of touch screen type, the master controller is also connected with monitoring system, and the monitoring system includes the
One camera (41), second camera (42) are respectively used to weld situation to the molten bath of the first welding gun (11), the second welding gun (12)
It is monitored in real time.
3. a kind of double welding gun high-speed welding device according to claim 1, which is characterized in that the master controller is that can compile
Journey logic controller PLC or industrial control computer IPC.
4. a kind of double welding gun high-speed welding device according to claim 2, which is characterized in that the human-computer interaction device
(6) operation key is configured on.
5. a kind of double welding gun high-speed welding device according to claim 4, which is characterized in that the operation key be button or
Switch or knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132712.9U CN208427821U (en) | 2018-07-17 | 2018-07-17 | A kind of double welding gun high-speed welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132712.9U CN208427821U (en) | 2018-07-17 | 2018-07-17 | A kind of double welding gun high-speed welding device |
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| Publication Number | Publication Date |
|---|---|
| CN208427821U true CN208427821U (en) | 2019-01-25 |
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ID=65096683
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821132712.9U Active CN208427821U (en) | 2018-07-17 | 2018-07-17 | A kind of double welding gun high-speed welding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273749A (en) * | 2021-12-17 | 2022-04-05 | 江苏靖宁智能制造有限公司 | Method for realizing no-joint welding of welding seam by double-robot cooperative welding of space complex component |
-
2018
- 2018-07-17 CN CN201821132712.9U patent/CN208427821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273749A (en) * | 2021-12-17 | 2022-04-05 | 江苏靖宁智能制造有限公司 | Method for realizing no-joint welding of welding seam by double-robot cooperative welding of space complex component |
| CN114273749B (en) * | 2021-12-17 | 2023-08-25 | 江苏靖宁智能制造有限公司 | Method for realizing joint-free welding seam by cooperative welding of double robots of space complex components |
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