CN103192206A - Welding gun balancing and positioning device, rear floor welding system with same and implement method of rear floor welding system - Google Patents
Welding gun balancing and positioning device, rear floor welding system with same and implement method of rear floor welding system Download PDFInfo
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- CN103192206A CN103192206A CN2013101388556A CN201310138855A CN103192206A CN 103192206 A CN103192206 A CN 103192206A CN 2013101388556 A CN2013101388556 A CN 2013101388556A CN 201310138855 A CN201310138855 A CN 201310138855A CN 103192206 A CN103192206 A CN 103192206A
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Abstract
The invention discloses a welding gun balancing and positioning device comprising a rotary table base, a sliding table base, a sliding support frame and a vertical swinging arm. The sliding table base is connected with the rotary table base through a rotary table bearing, the sliding support frame is connected with the sliding table base through a straight guiderail, and the vertical swinging arm is connected with the sliding support frame through a spring balance mechanism. The arranged direction of the straight guiderail is in parallel with a swing surface of the vertical swinging arm. The invention further provides a rear floor welding system with the welding gun balancing and positioning device and an implement method of the rear floor welding system. The welding gun balancing and positioning device is simple in structure and ingenious in idea, and utilizes mutual cooperation of the spring balance mechanism and the vertical swinging arm, so that partial rotary constant torque balance is realized; only one operator is needed to operate easily, so that working intensity of manual operations is reduced and manpower is saved; and the welding gun balancing and positioning device is convenient to operate, low in production cost and applicable to popularize and apply.
Description
Technical field
The present invention relates to a kind of welding gun balance positioner, also relate to back floor welding system and its implementation of being constituted by it.
Background technology
In the technology of automobile body-in-white welding, back floor spare tyre is placed the welding of bag, adopts following dual mode usually: the one, adopt robot welding; The 2nd, the big welding gun welding of artificial use; But all there is defective in it.Wherein:
Adopt robot welding, because the welding gun size is big, Heavy Weight, load request to robot is very big, even if all very high in the price of common in the market welding robot, the price of the welding robot of big specification, heavy load is self-evident especially, fund cost such for medium and small minuscule-type-enterprise drops into too in high, be difficult to bear, just can select even prudent choice also must be made by large enterprise, be unfavorable for progress and the development of propelling vehicle welding procedure quality.
When adopting artificial the welding, a welding post need dispose 2 operating personnel's compounding practices, and a people controls the rear portion of welding gun, the spot welding position of one people's control electrode head, it is more not only to drop into manpower, and labour intensity is big, matching coordinative requires high, and can not guarantee welding quality effectively.Simultaneously, the operation of this kind manual type must with the weight of the big welding gun of balance, otherwise can't be welded at welding gun overhung balancer at all.And in the process layout of reality, track and the equipment of conveying is usually arranged above anchor clamps, and differing lifts the balancer of welding gun surely, and therefore, there is significant limitation in the mode of the big welding gun of this manual control.
Therefore innovation and creation are a kind of with low cost and can effectively alleviate the problem that auxiliary welding equipment that labor intensity of operating staff reduces human input becomes those skilled in the art of the present technique's primary study.
Summary of the invention
In order to address the above problem, the invention provides a kind of with low cost and can effectively alleviate labor intensity of operating staff reduce human input, mainly by lower support welding gun and the welding gun balance positioner regulated.
To achieve these goals, the technical solution used in the present invention is as follows:
Welding gun balance positioner, comprise rotary base, the slide unit base that is connected with rotary base by the turntable bearing, the slide holder that is connected with the slide unit base by line slideway, the vertical pendulum swing arm that is connected with slide holder by spring balancing mechanism, wherein, the set direction of line slideway and the vertical pendulum swing arm plane parallel of swinging.
Further, described vertical pendulum swing arm comprises the gyroaxis of fixedlying connected with slide holder, the load arm of force and the acting force arm that all are rotationally connected and are solidified as a whole mutually with gyroaxis, and wherein, acting force arm and spring balancing mechanism are hinged.
Further, described spring balancing mechanism comprises the turning cylinder of fixedlying connected with slide holder, an end and turning cylinder balancing spring hinged and that be made of spring and fixing body, and the actuating rod that is connected with the balancing spring other end, wherein, actuating rod and acting force arm are hinged.
In order to realize that better the location keeps, the present invention also comprises being connected in is convenient to the maintaining body that the vertical pendulum swing arm moves the location, back between vertical pendulum swing arm and the slide unit base.
Specifically, described maintaining body comprises the supporter of fixedlying connected with the slide unit base, the maintenance bar that the middle part is hinged with supporter, be arranged at the gathering sill on the vertical pendulum swing arm, and be installed in the gathering sill and the guide pad hinged with maintenance bar one end, wherein, keep the other end of bar to be provided with the pulley that rolls and be connected with the slide unit base.
Again further, described slide unit base is provided with the chute that is complementary with pulley.
Based on said structure, the present invention also provides floor, a kind of back welding system, comprise clamp base, be installed in the clamp body on the clamp base, and welding gun, also comprise above-mentioned welding gun balance positioner, wherein, described welding gun is fixedlyed connected with the vertical pendulum swing arm, and described rotary base is installed on the clamp base.
Based on above-mentioned hardware configuration, the present invention also provides the implementation method of this floor, back welding system, comprises the steps:
(1) welding gun initial position setting: the welding gun electrode arm is in open mode, and welding gun is in the horizontal direction away from clamp body, and the load arm of force is bottom state, and is kept by the position of maintaining body to the vertical pendulum swing arm, and this moment, welding gun was in heeling condition;
(2) the back floor part that will need to weld is fixed on the clamp body, and the electrode tip of itself and welding gun staggers in the relative altitude position;
(3) regulate slide holder and move horizontally along line slideway, make the electrode tip translation of welding gun near the top at part place to be welded, floor, back;
(4) make the upwards swing of the load arm of force by the position of regulating welding gun, keep torque by spring balancing mechanism, make the electrode tip upset downwards of welding gun near part place to be welded, floor, back, weld;
(5) regulate the slide unit base and horizontally rotate, make the electrode tip of welding gun carry out the welding of circular arc multiple spot at floor, back part;
(6) after welding is finished, regulate welding gun and recover initial position, namely open the welding gun electrode arm, by the position that spins upside down of regulating welding gun the load arm of force is swung downwards, staggered in the electrode tip of welding gun and the relative altitude position of floor, back part; Slide holder is moved horizontally to away from the location of workpiece along line slideway.
Design principle of the present invention is, how solving floor, back when welding uses that the welding gun size is big, the problem of Heavy Weight, the weight of welding gun is usually above 100 kilograms in the prior art, need during operation to turn an angle with vertical direction in the horizontal direction, because the restriction of the centre of gyration causes deviation of gravity center far, gravity off-centre is very big again, prior art adopts the balancer of lifting to balance weight usually, is convenient to manually-operated.But because technology change, prior art up the scheme of hanging balancing device because implementing with other technological equipments interference.
How to solve the balance of welding gun, it is the primary problem that solves, because the influence of the suspender passage of top, basically there is not possibility that conventional balancer is installed up, therefore can only be below considering to adopt balance mode, but below balance and the difference of overhung balance are very big, available technology adopting overhung balance, only needing balancer to hang at point of position of centre of gravity of welding gun gets final product, and from adopting the below balance mode, must have enough intensity can fix and support the weight of welding gun on the structure, therefore connecting must be firmly, again because the fastness that connects, the level of welding gun and vertical rotation just must could realize that moving horizontally of welding gun also needs corresponding track to realize with fixing articulated structure, therefore, must have and horizontally rotate, flip vertical and the mechanism that moves horizontally.
How the balance eccentric weight guarantees the easy to operate difficult point that becomes.After the scheme of having considered cylinder compressed air balance, can utilize limited space because of this frock, be not convenient for the motion of carrying out compressed air line and carry, add the structure more complicated, therefore given up the cylinder balancing scheme.Certainly require more impossible employing hydro-cushion scheme because of site environment.And from angle simple for structure, considered common spring balancing scheme, though this scheme can the balance eccentric load, but can not overcome the variation of the power when flip vertical, by analysis and thinking, creatively combine the characteristic of lever and spring, utilized spring balancing mechanism and the effect of cooperatively interacting of vertical pendulum swing arm, realized the permanent balance of local rotation, thus the equilibrium of forces problem when having solved vertical local upset well.Through practice examining, this scheme is feasible fully, and is respond well.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention is simple in structure, be skillfully constructed, utilize spring balancing mechanism and the effect of cooperatively interacting of vertical pendulum swing arm, realized the permanent balance of local rotation, only needed a people to get final product easy manipulation, and alleviated manually-operated labour intensity, saved manpower, have outstanding substantive distinguishing features and obvious improvement, and it has been easy to operate, with low cost, be fit to apply.
(2) horizontally rotate employing turntable bearing among the present invention, move horizontally the employing line slideway, flip vertical adopts spring balancing mechanism, its track is fixed, during the manually-operated welding, only need to pull welding gun according to the scale indication and can implement welding to suitable angle, positional precision and the quality of welding all are improved largely.
(3) the present invention has adopted the below balance mode, utilizes rotary base and slide unit base as support, does not interfere with the suspender transfer passage of top, has increased mobility and the adaptability of operation.
Description of drawings
Fig. 1 is the structural representation of welding gun balance positioner among the present invention.
Fig. 2 is the structural representation of floor, back welding system among the present invention.
Fig. 3 is the position view of welding-torch horizontal rotation among the present invention.
Fig. 4 is the schematic diagram of the permanent balance of local rotation among the present invention.
In the above-mentioned accompanying drawing, Reference numeral corresponding components title is as follows:
The 1-rotary base, 2-turntable bearing, 3-slide unit base, 4-line slideway, the 5-slide holder, the 6-load arm of force, 7-acting force arm, 8-gyroaxis, the 9-turning cylinder, 10-balancing spring, 11-actuating rod, the 12-supporter, 13-keeps bar, 14-pulley, the 15-guide pad, 16-gathering sill, 17-clamp base, the 18-clamp body, 19-welding gun, floor part behind the 20-.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figures 1 to 4, this welding gun balance positioner, comprise rotary base 1, the slide unit base 3 that is connected with rotary base by turntable bearing 2, the slide holder 5 that is connected with the slide unit base by line slideway 4, the vertical pendulum swing arm that is connected with slide holder by spring balancing mechanism, wherein, the plane parallel that the direction that line slideway is set and vertical pendulum swing arm are swung.
Further, described vertical pendulum swing arm comprises the gyroaxis 8 of fixedlying connected with slide holder, the load arm of force 6 that all is rotationally connected and is solidified as a whole mutually with gyroaxis and acting force arm 7, and wherein, acting force arm and spring balancing mechanism are hinged.
Further, the balancing spring 10 that described spring balancing mechanism comprises turning cylinder 9, one ends of fixedlying connected with slide holder and turning cylinder is hinged and be made of spring and fixing body, and the actuating rod 11 that is connected with the balancing spring other end, wherein, actuating rod and acting force arm are hinged.
In order to realize that better the location keeps, the present invention also comprises being connected in is convenient to the maintaining body that the vertical pendulum swing arm moves the location, back between vertical pendulum swing arm and the slide unit base.
Specifically, described maintaining body comprises the supporter 12 of fixedlying connected with the slide unit base, the maintenance bar 13 that the middle part is hinged with supporter, be arranged at the gathering sill 16 on the vertical pendulum swing arm, and be installed in the gathering sill and the guide pad 15 hinged with maintenance bar one end, wherein, keep the other end of bar to be provided with the pulley 14 that rolls and be connected with the slide unit base.
Again further, described slide unit base is provided with the chute that is complementary with pulley.
Based on said structure, the present invention also provides floor, a kind of back welding system, comprise clamp base 17, be installed in the clamp body 18 on the clamp base, and welding gun 19, also comprise above-mentioned welding gun balance positioner, wherein, described welding gun is fixedlyed connected with the vertical pendulum swing arm, and described rotary base is installed on the clamp base.
Based on above-mentioned hardware configuration, the present invention also provides the implementation method of this floor, back welding system, comprises the steps:
(1) welding gun initial position setting: the welding gun electrode arm is in open mode, and welding gun is in the horizontal direction away from clamp body, and the load arm of force is bottom state, and is kept by the position of maintaining body to the vertical pendulum swing arm, and this moment, welding gun was in heeling condition;
(2) the back floor part that will need to weld is fixed on the clamp body, and the electrode tip of itself and welding gun staggers in the relative altitude position;
(3) regulate slide holder and move horizontally along line slideway, make the electrode tip translation of welding gun near the top at part place to be welded, floor, back;
(4) make the upwards swing of the load arm of force by the position of regulating welding gun, keep torque by spring balancing mechanism, make the electrode tip upset downwards of welding gun near part place to be welded, floor, back, weld;
(5) regulate the slide unit base and horizontally rotate, make the electrode tip of welding gun carry out the welding of circular arc multiple spot at floor, back part;
(6) after welding is finished, regulate welding gun and recover initial position, namely open the welding gun electrode arm, by the position that spins upside down of regulating welding gun the load arm of force is swung downwards, staggered in the electrode tip of welding gun and the relative altitude position of floor, back part; Slide holder is moved horizontally to away from the location of workpiece along line slideway.
Among the present invention, the arm of force that utilizes spring impetus wraparound commentaries on classics center to rotate changes, and mates with the linear change of spring force, realizes the real-time balance to the frock moment of torsion.Computing formula according to moment: the moment=power * arm of force, in the present embodiment, the moment of torsion that frock produces is constant to be M0=F0 * L0, and corresponding counter balance torque M=hA * FN when a high position that spring produces, M ' when low level=hB * F ' N, the elastic force of its medi-spring is FN when a high position, is F ' N when low level, and the displacement difference of elastic force between a high position and low level is Δ L, so FN＜F ' N, and hA＞hB, so M approximately equate with the numerical value of M ', guarantee its permanent balance thus.
According to above-described embodiment, just can realize the present invention well.What deserves to be explained is; under the prerequisite based on above-mentioned design principle; for solving same technical problem; some do not have substantial change or polishing even in that content basis disclosed in this invention is made; the essence of the technical scheme that adopts is still the same with the present invention, so it also should be in protection scope of the present invention.
Claims (8)
1. welding gun balance positioner, it is characterized in that, comprise rotary base (1), the slide unit base (3) that is connected with rotary base (1) by turntable bearing (2), the slide holder (5) that is connected with slide unit base (3) by line slideway (4), the vertical pendulum swing arm that is connected with slide holder by spring balancing mechanism, wherein, the plane parallel that the direction that line slideway is set and vertical pendulum swing arm are swung.
2. welding gun balance positioner according to claim 1, it is characterized in that, described vertical pendulum swing arm comprises the gyroaxis (8) of fixedlying connected with slide holder, the equal load arm of force (6) and acting force arm (7) that is rotationally connected and is solidified as a whole mutually with gyroaxis (8), wherein, acting force arm (7) is hinged with spring balancing mechanism.
3. welding gun balance positioner according to claim 2, it is characterized in that, described spring balancing mechanism comprises the turning cylinder (9) of fixedlying connected with slide holder (5), one end and turning cylinder (9) balancing spring (10) hinged and that constituted by spring and fixing body, and the actuating rod (11) that is connected with balancing spring (10) other end, wherein, actuating rod (11) is hinged with acting force arm (7).
4. according to each described welding gun balance positioner of claim 1～3, it is characterized in that, also comprise being connected in and be convenient to the maintaining body that the vertical pendulum swing arm moves the location, back between vertical pendulum swing arm and the slide unit base.
5. welding gun balance positioner according to claim 4, it is characterized in that, described maintaining body comprises the supporter (12) of fixedlying connected with slide unit base (3), the maintenance bar (13) that the middle part is hinged with supporter (12), be arranged at the gathering sill (16) on the vertical pendulum swing arm, and be installed in the gathering sill (16) and the guide pad (15) hinged with maintenance bar (13) one ends, wherein, keep the other end of bar (13) to be provided with the pulley (14) that rolls and be connected with slide unit base (3).
6. welding gun balance positioner according to claim 5 is characterized in that, described slide unit base is provided with the chute that is complementary with pulley.
7. floor welding system after, comprise clamp base (17), be installed in the clamp body (18) on the clamp base (17), and welding gun (19), it is characterized in that, also comprise as each described welding gun balance positioner of claim 1～6, wherein, described welding gun (19) is fixedlyed connected with the vertical pendulum swing arm, and described rotary base (1) is installed on the clamp base (17).
8. the implementation method of floor, back as claimed in claim 7 welding system is characterized in that, comprises the steps:
(1) welding gun initial position setting: welding gun is in the horizontal direction away from clamp body, and the load arm of force is bottom state, and is kept by the position of maintaining body to the vertical pendulum swing arm;
(2) the back floor part that will need to weld is fixed on the clamp body, and the electrode tip of itself and welding gun staggers in the relative altitude position;
(3) regulate slide holder and move horizontally along line slideway, make the electrode tip translation of welding gun near the top at part place to be welded, floor, back;
(4) make the upwards swing of the load arm of force by the position of regulating welding gun, keep torque by spring balancing mechanism, make the electrode tip upset downwards of welding gun near part place to be welded, floor, back, weld;
(5) regulate the slide unit base and horizontally rotate, make the electrode tip of welding gun carry out the welding of circular arc multiple spot at floor, back part;
(6) after welding is finished, regulate welding gun and recover initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310138855.6A CN103192206B (en) | 2013-04-22 | 2013-04-22 | Welding gun balancing and positioning device, rear floor welding system with same and implement method of rear floor welding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310138855.6A CN103192206B (en) | 2013-04-22 | 2013-04-22 | Welding gun balancing and positioning device, rear floor welding system with same and implement method of rear floor welding system |
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| Publication Number | Publication Date |
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| CN103192206A true CN103192206A (en) | 2013-07-10 |
| CN103192206B CN103192206B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310138855.6A Expired - Fee Related CN103192206B (en) | 2013-04-22 | 2013-04-22 | Welding gun balancing and positioning device, rear floor welding system with same and implement method of rear floor welding system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923887A (en) * | 2015-06-26 | 2015-09-23 | 武汉纳瑞格智能设备有限公司 | Transverse direction self-adaptation tracking device for ultra-narrow gap MAG/MIG welding weld line |
| CN105414824A (en) * | 2015-12-01 | 2016-03-23 | 深圳市瑞凌实业股份有限公司 | Moment balance device and movable welding device |
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| JPS602153B2 (en) * | 1980-11-28 | 1985-01-19 | 喜久知工業株式会社 | Welding gun support device |
| CN2058361U (en) * | 1989-08-25 | 1990-06-20 | 河南省新乡市电气控制设备厂 | Cantilever welding machine |
| CN2164939Y (en) * | 1993-04-20 | 1994-05-18 | 陈康德 | Tension spring balance rotary-arm type wire feeder for welding |
| CN1103475A (en) * | 1993-11-29 | 1995-06-07 | 山东矿业学院济南分院 | Five-freedom large-argument self-balancing device |
| CN2936524Y (en) * | 2006-08-08 | 2007-08-22 | 成都鑫兴众力科技发展有限公司 | Swinging angle mechanism for welding gun |
| CN201371332Y (en) * | 2008-10-22 | 2009-12-30 | 温岭市风云机器人有限公司 | Welding manipulator |
| CN203156257U (en) * | 2013-04-22 | 2013-08-28 | 成都鑫焊众达自动化控制有限公司 | Welding gun balance positioning device and rear floor welding system formed by same |
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2013
- 2013-04-22 CN CN201310138855.6A patent/CN103192206B/en not_active Expired - Fee Related
Patent Citations (7)
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|---|---|---|---|---|
| JPS602153B2 (en) * | 1980-11-28 | 1985-01-19 | 喜久知工業株式会社 | Welding gun support device |
| CN2058361U (en) * | 1989-08-25 | 1990-06-20 | 河南省新乡市电气控制设备厂 | Cantilever welding machine |
| CN2164939Y (en) * | 1993-04-20 | 1994-05-18 | 陈康德 | Tension spring balance rotary-arm type wire feeder for welding |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923887A (en) * | 2015-06-26 | 2015-09-23 | 武汉纳瑞格智能设备有限公司 | Transverse direction self-adaptation tracking device for ultra-narrow gap MAG/MIG welding weld line |
| CN104923887B (en) * | 2015-06-26 | 2017-03-22 | 武汉纳瑞格智能设备有限公司 | Transverse direction self-adaptation tracking device for ultra-narrow gap MAG/MIG welding weld line |
| CN105414824A (en) * | 2015-12-01 | 2016-03-23 | 深圳市瑞凌实业股份有限公司 | Moment balance device and movable welding device |
| CN105414824B (en) * | 2015-12-01 | 2017-06-13 | 深圳市瑞凌实业股份有限公司 | Moment compensator and movable welding connection device |
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| CN103192206B (en) | 2015-05-20 |
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