CN203679565U - High-precision welding gun angle swinging system for automatic welding device - Google Patents
High-precision welding gun angle swinging system for automatic welding device Download PDFInfo
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- CN203679565U CN203679565U CN201320632581.1U CN201320632581U CN203679565U CN 203679565 U CN203679565 U CN 203679565U CN 201320632581 U CN201320632581 U CN 201320632581U CN 203679565 U CN203679565 U CN 203679565U
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- 238000003466 welding Methods 0.000 title claims abstract description 144
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 230000009467 reduction Effects 0.000 claims description 26
- 238000005476 soldering Methods 0.000 claims description 16
- 230000010355 oscillation Effects 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 abstract 3
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
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- 239000010959 steel Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 238000012827 research and development Methods 0.000 description 1
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Abstract
The utility model relates to the field of welding automation, in particular to a high-precision welding gun angle swinging system for an automatic welding device. The high-precision welding gun angle swinging system for the automatic welding device comprises a planetary reducer, a positioning sensing device, a welding gun posture adjustment mechanism and a welding gun clamping mechanism, wherein the output shaft end of the planetary reducer is connected with the welding gun posture adjustment mechanism, the welding gun posture adjustment mechanism is provided with the welding gun clamping mechanism in a connecting mode through a screw provided with a cam mechanism, the welding gun clamping mechanism is provided with a welding gun in a connecting mode through a screw provided with the cam mechanism, the positioning sensing device is installed on a shell body of the planetary reducer, and the positioning sensing device corresponds to the middle point of a welding joint. Through the position controlling way, the middle point of the swinging range of the welding gun can be enabled to be the central position of the welding joint. The high-precision welding gun angle swinging system for the automatic welding device is simple in structure, small in volume, light in weight, fast and convenient to use, and independent in driving a controlling system, can be installed at the tail ends of all the automatic welding devices, realizes the automatic angle swinging of the welding gun during welding, and improves the quality of the welding joint and the welding efficiency.
Description
Technical field
The utility model relates to Automation of Welding field, relates in particular to a kind of high accuracy welding gun angle swing system for automatic soldering device.
Background technology
The automatic welding of large-scale steel structure members is all to complete welding job by welding gun, and in this welding job process, welding gun need to increase swing to realize multi-layer multi-pass welding, improve melt tank edge moulding, eliminate " undercut " defect, improve weldquality, promote welding bead aesthetic measure.Meanwhile, for adapting to the welding procedure of different weld seams, posture of welding torch, hunting frequency, amplitude of fluctuation and the left and right time of staying all need to adjust.
The swing of welding gun realizes by wig-wag.The conventional swing mode of wig-wag mainly contains yaw and two kinds of forms of angle swing.Yaw type welding gun does linear reciprocating motion along weld width direction, be mainly applicable to surface overlaying, cover welding, in or the welding of thin plate.Angle swing type welding gun does arc swing (being commonly called as pendulum-type) along weld width direction, is applicable to the welding of angle welding in middle plate or slab, U-shaped, double V-groove, in the welding of steel construction, shipbuilding, pressure vessel, pipeline, is used widely.
Existing angle swing mechanism adopts worm type of reduction gearing more, as Chinese patent literature, publication number is CN201493625U, and the applying date is the utility model patent on May 7th, 2009, disclose name and be called " Multifunctional oscillator of welder ", adopted the pendulum module of worm type of reduction gearing.But worm type of reduction gearing transmission efficiency is lower, to processing and installation accuracy require high, be difficult to meet welding service precision; Meanwhile, wig-wag and molten bath close together, spatter is large, work under bad environment, temperature rise is higher, easily accelerates the wearing and tearing of worm couple, and service life is short.
In the multi-pass welding termination process of large-scale steel structure members, per pass weld joint welding process difference, posture of welding torch and swing parameter all need to adjust, and in existing swing mechanism, adopt of posture of welding torch guiding mechanism is threaded more, adjustment process is relatively numerous and diverse, uses extremely inconvenient.Therefore, a kind of high accuracy of research and development design, high reliability, lightweight, angle swing system easy to use, significant to improving weldquality and welding efficiency.
Utility model content
The utility model provides a kind of high accuracy welding gun angle swing system for automatic soldering device, realizes the automatic angle swing of welding gun for automatic welding process, and long service life improves weldquality and welding efficiency.
The technical scheme that the utility model adopts is:
A kind of high accuracy welding gun angle swing system for automatic soldering device, it is characterized in that: comprise planetary reduction gear, orientation sensing device, posture of welding torch guiding mechanism and welding torch clamping mechanism, the output shaft end of planetary reduction gear is connected with posture of welding torch guiding mechanism, posture of welding torch guiding mechanism is connected and installed welding torch clamping mechanism by the screw rod of strap cam mechanism, on welding torch clamping mechanism, is connected and installed welding gun by the screw rod of strap cam mechanism; Described orientation sensing device is installed on the housing of planetary reduction gear, and orientation sensing device is corresponding with the position of weld seam mid point, adopts Position Control mode, consistent to guarantee the mid point of the welding gun amplitude of oscillation and the center of weld seam.
Further, described welding torch clamping mechanism is locked welding gun by quick-locking mechanism, and described quick-locking mechanism adopts cam-type quick-locking device.Welding gun is installed on welding torch clamping mechanism, highly adjustable, determines after welding gun setting height(from bottom), is locked by the quick-speed jigs on welding torch clamping mechanism.
On one end of described welding torch clamping mechanism, collets are housed, the outer surface of collets is cylindric, and described collets are positioned in the open slot of posture of welding torch guiding mechanism, and the outer surface of collets is close to the notch surface of described open slot.Because in welding process, between welding wire and workpiece, there is electric arc, on welding gun, metal part may have electric current to pass through, and therefore need between robot and end welding gun, increase collets, avoids charged on robot body.
Further, described posture of welding torch guiding mechanism is locked welding torch clamping mechanism by quick-speed jigs, and described quick-speed jigs adopts cam-type quick-locking device.The setting angle capable of regulating of the welding torch clamping mechanism of welding gun is installed, determines after setting angle, be locked by the quick-speed jigs on posture of welding torch guiding mechanism.
Because posture of welding torch and clip position need to be adjusted at any time according to the difference of welding operating mode, need adjustment process simple and fast, simultaneously, welding gun is in welding robot robot end, structure should realize lightweight as much as possible, if but adopting other quick-speed jigs, for example four link type quick-speed jigs, can not meet the demands; So the quick-speed jigs here adopts cam-type quick-locking device, and Cam-type rapid clamp has simple in structurely, and cost is low, is easy to the advantages such as realization, be highly suitable on this device, and be therefore optimal case.
Described orientation sensing device adopts position sensor.
Further, the input shaft end of described planetary reduction gear is connected to the output shaft end of servomotor by servo motor flange, and welding gun is take the output shaft of planetary reduction gear as oscillation center axle.
Further, described servomotor is connected to controller by cable.
Further, described controller comprises embedded control unit, motor driver, man-machine interaction button and display screen.By man-machine interaction button, the parameters such as the frequency, amplitude, the time of staying of torch swinging can be set.Described display screen is display parameters and running status in real time.Described motor driver moves according to control order drive motors.
Further, the utility model carries out accurate timing by timer.
Further, the mounting interface designing on the housing of described planetary reduction gear is convenient to be connected with various automatic soldering devices.
The utility model can meet welding gun should be realized in the plane perpendicular to weldment surface and swinging, also to realize with the angled plane in weldment surface in the requirement that swings.The utility model can be realized the angle of inclination capable of regulating on welding gun and weldment surface.And swaying direction is the width along weld seam, not to swing along angle of inclination direction.
The beneficial effects of the utility model are as follows:
The utility model is simple in structure, small volume, lightweight, use quick and conveniently, driving control system is independent, can be installed on various automatic soldering device ends, realizes the automatic angle swing of welding gun in welding process, improves weldquality and welding efficiency; The utility model adopts planetary reduction gear, that precision is high, speed ratio is large, volume is little, transmission efficiency advantages of higher because planetary reduction gear has, be easy to install, there is high load capability, therefore angle swing system swing positioning precision described in the utility model is higher, can strengthen the controllability of torch swinging, make welding bead more even, attractive in appearance.
Accompanying drawing explanation
Fig. 1 is the utility model angle swing system schematic;
Fig. 2 is the utility model angle swing mechanism structure schematic diagram;
Fig. 3 is the utility model welding torch clamping mechanism and posture of welding torch reconditioner composition;
Fig. 4 is the utility model workflow schematic diagram;
Fig. 5 is the utility model Position Control schematic diagram.
In figure, the 1st, welding gun, the 2nd, welding torch clamping mechanism, the 3rd, quick-locking mechanism, the 4th, posture of welding torch guiding mechanism, the 5th, quick-speed jigs, the 6th, position sensor, the 7th, planetary reduction gear, the 8th, servomotor, the 9th, connection cable, the 10th, controller, the 11st, display screen, the 12nd, collets.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As Figure 1-3, a kind of high accuracy welding gun angle swing system for automatic soldering device comprises planetary reduction gear 7, orientation sensing device, posture of welding torch guiding mechanism 4 and welding torch clamping mechanism 2, the output shaft end of planetary reduction gear 7 is connected with posture of welding torch guiding mechanism 4, posture of welding torch guiding mechanism 4 is connected and installed welding torch clamping mechanism 2 by the screw rod of strap cam mechanism, on welding torch clamping mechanism 2, is connected and installed welding gun 1 by the screw rod of strap cam mechanism; Described orientation sensing device is installed on the housing of planetary reduction gear 7, and orientation sensing device is corresponding with the position of weld seam mid point, adopts Position Control mode, to guarantee that the mid point of welding gun 1 amplitude of oscillation is the center of weld seam.
Welding gun 1 is installed on welding torch clamping mechanism 2, highly adjustable, determines after the setting height(from bottom) of welding gun 1, is locked by the quick-speed jigs 5 on welding torch clamping mechanism 2.Described quick-locking mechanism 3 adopts cam-type quick-locking device.
Described orientation sensing device adopts position sensor 6.
Posture of welding torch guiding mechanism 4 is arranged on by flange on the output flange of planetary reduction gear 7, with output flange synchronous rotary, the sensing chip of position sensor 6 is housed on posture of welding torch guiding mechanism 4, position sensor 6 is arranged on the place corresponding with amplitude of oscillation center on planetary reduction gear 7 housings, the input of planetary reduction gear 7 is equipped with servomotor 8, servomotor 8 is arranged on the shell of planetary reduction gear 7, its output shaft is connected by shaft coupling with the power shaft of planetary reduction gear 7, the driving of servomotor 8 and control module are installed in controller 10 inside, the control signal of controller 10 is exported to servomotor 8 through connection cable 9, the amplitude of oscillation is installed on controller 10 and regulates button, hunting frequency regulates button, centering button, the time of staying arranges button, scram button, and display screen 11, man-machine interaction while swinging parameter adjusting to realize.
Operation of the present utility model is divided into three phases, and preparatory stage, rocking test stage, swing execution phase, its workflow as shown in Figure 4.In the weld preparation stage, can good welding gun 1 its clamped height of quick adjustment and welding gun 1 angle by quick-locking mechanism 3 and quick-locking device 5, manually control welding gun 1 centering, after " centering ", recording current location is oscillation center value; Swinging the execution phase, according to welding procedure needs, hunting frequency, amplitude of fluctuation, the both sides time of staying are set in real time, then swing.
The utility model adopts Position Control, and carries out accurate timing by timer.As shown in Figure 5, swinging while carrying out, first from center, move to amplitude position, then carry out timing according to the time of staying; Timing finishes rear opposite direction and swings to amplitude, then according to time of staying timing, swings to amplitude after timing finishes in the other direction again, so repeatedly carries out, and realizes the swing of welding gun 1 welding process.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model and oneself, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. the high accuracy welding gun angle swing system for automatic soldering device, it is characterized in that: comprise planetary reduction gear (7), orientation sensing device, posture of welding torch guiding mechanism (4) and welding torch clamping mechanism (2), the output shaft end of planetary reduction gear (7) is connected with posture of welding torch guiding mechanism (4), posture of welding torch guiding mechanism (4) is connected and installed welding torch clamping mechanism (2) by the screw rod of strap cam mechanism, and welding torch clamping mechanism (2) is upper is connected and installed welding gun (1) by the screw rod of strap cam mechanism; Described orientation sensing device is installed on the housing of planetary reduction gear (7), and orientation sensing device is corresponding with the position of weld seam mid point, and the mid point of described welding gun (1) amplitude of oscillation is consistent with the center of weld seam.
2. a kind of high accuracy welding gun angle swing system for automatic soldering device according to claim 1, it is characterized in that: described welding torch clamping mechanism (2) is by quick-locking mechanism (3) locking welding gun (1), and described quick-locking mechanism (3) adopts cam-type quick-locking device.
3. a kind of high accuracy welding gun angle swing system for automatic soldering device according to claim 1 and 2, it is characterized in that: the collets (12) for isolating robot and welding gun (1) are housed on one end of described welding torch clamping mechanism (2), the outer surface of collets (12) is cylindric, described collets (12) are positioned in the open slot of posture of welding torch guiding mechanism (4), and the outer surface of collets (12) is close to the notch surface of described open slot.
4. a kind of high accuracy welding gun angle swing system for automatic soldering device according to claim 1, it is characterized in that: described posture of welding torch guiding mechanism (4) is by quick-speed jigs (5) locking welding torch clamping mechanism (2), and described quick-speed jigs (5) adopts cam-type quick-locking device.
5. a kind of high accuracy welding gun angle swing system for automatic soldering device according to claim 1, is characterized in that: described orientation sensing device adopts position sensor (6).
6. a kind of high accuracy welding gun angle swing system for automatic soldering device according to claim 1, it is characterized in that: the input shaft end of described planetary reduction gear (7) is connected to the output shaft end of servomotor (8) by servomotor (8) flange, welding gun (1) is take the output shaft of planetary reduction gear (7) as oscillation center axle.
7. a kind of high accuracy welding gun angle swing system for automatic soldering device according to claim 6, is characterized in that: described servomotor (8) is connected to controller (10) by cable.
8. a kind of high accuracy welding gun angle swing system for automatic soldering device according to claim 1, is characterized in that: on the housing of described planetary reduction gear (7), be provided with and be convenient to the mounting interface that is connected with various automatic soldering devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632581.1U CN203679565U (en) | 2013-10-14 | 2013-10-14 | High-precision welding gun angle swinging system for automatic welding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632581.1U CN203679565U (en) | 2013-10-14 | 2013-10-14 | High-precision welding gun angle swinging system for automatic welding device |
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| CN203679565U true CN203679565U (en) | 2014-07-02 |
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| CN201320632581.1U Expired - Lifetime CN203679565U (en) | 2013-10-14 | 2013-10-14 | High-precision welding gun angle swinging system for automatic welding device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483114A (en) * | 2018-11-27 | 2019-03-19 | 河北创力机电科技有限公司 | A kind of cast tube build-up welding apparatus and method |
| CN109877427A (en) * | 2019-04-16 | 2019-06-14 | 柴震宇 | A kind of oscillator of welding gun |
| CN110253187A (en) * | 2019-07-23 | 2019-09-20 | 宁波焊特智能科技有限公司 | Welding torch clamping mechanism and welder |
| CN111347203A (en) * | 2020-04-30 | 2020-06-30 | 汕头市瑞祥模具有限公司 | Multi-angle spot welding equipment |
| CN112756826A (en) * | 2021-01-23 | 2021-05-07 | 欧拓飞科技(珠海)有限公司 | Center position adjusting device of automatic welding machine oscillator |
| CN115106627A (en) * | 2022-07-18 | 2022-09-27 | 江苏海事职业技术学院 | Intelligent auxiliary manual electric arc welding gun device with variable swing amplitude and using method |
-
2013
- 2013-10-14 CN CN201320632581.1U patent/CN203679565U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483114A (en) * | 2018-11-27 | 2019-03-19 | 河北创力机电科技有限公司 | A kind of cast tube build-up welding apparatus and method |
| CN109877427A (en) * | 2019-04-16 | 2019-06-14 | 柴震宇 | A kind of oscillator of welding gun |
| CN109877427B (en) * | 2019-04-16 | 2024-03-22 | 智船科技(嘉兴)有限公司 | Welding gun swinging device |
| CN110253187A (en) * | 2019-07-23 | 2019-09-20 | 宁波焊特智能科技有限公司 | Welding torch clamping mechanism and welder |
| CN111347203A (en) * | 2020-04-30 | 2020-06-30 | 汕头市瑞祥模具有限公司 | Multi-angle spot welding equipment |
| CN112756826A (en) * | 2021-01-23 | 2021-05-07 | 欧拓飞科技(珠海)有限公司 | Center position adjusting device of automatic welding machine oscillator |
| CN115106627A (en) * | 2022-07-18 | 2022-09-27 | 江苏海事职业技术学院 | Intelligent auxiliary manual electric arc welding gun device with variable swing amplitude and using method |
| CN115106627B (en) * | 2022-07-18 | 2023-11-28 | 江苏海事职业技术学院 | Intelligent auxiliary manual arc welding gun device with variable swing amplitude and use method |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20180503 Address after: 610000 18 West core road, hi-tech West District, Chengdu, Sichuan Patentee after: DONGFANG ELECTRIC Co.,Ltd. Address before: 610036 Shu Han Road, Jinniu District, Chengdu, Sichuan Province, No. 333 Patentee before: DONGFANG ELECTRIC Corp. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |