CN103192206B - 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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- CN103192206B CN103192206B CN201310138855.6A CN201310138855A CN103192206B CN 103192206 B CN103192206 B CN 103192206B CN 201310138855 A CN201310138855 A CN 201310138855A CN 103192206 B CN103192206 B CN 103192206B
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- welding gun
- rear floor
- welding
- arm
- swing arm
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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 the rear floor welded system and its implementation that are made up of it.
Background technology
In the technique of automobile body-in-white welding, the welding of bag placed by rear floor spare tyre, usually adopts following two kinds of modes: one is adopt robot welding; Two is the large welding gun welding of artificial use; But its equal existing defects.Wherein:
Adopt robot welding, because welding gun size is large, Heavy Weight, very large to the load request of robot, even if all very high in the price of welding robot common in the market, the price of the welding robot of large gauge, heavy load is self-evident especially, drop into too high for fund cost such medium and small minuscule-type-enterprise, be difficult to bear, just can select even if prudent choice also must be made by large enterprise, be unfavorable for progress and the development of propelling vehicle welding procedure quality.
When adopting human weld, a welding post needs configuration 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, not only drop into manpower more, and labour intensity is large, matching coordinative requires high, and effectively can not ensure welding quality.Meanwhile, this kind of manual type operation at welding gun overhung balancer, to balance the weight of large welding gun, otherwise cannot must be welded at all.And in the process layout of reality, above fixture, usually have track and the equipment of conveying, differing lifts the balancer of welding gun surely, and therefore, the mode of the large welding gun of this manual control exists significant limitation.
Therefore innovation and creation are a kind of with low cost and effectively can alleviate labor intensity of operating staff and reduce the problem that the auxiliary welding equipment of human input becomes those skilled in the art of the present technique's primary study.
Summary of the invention
In order to solve the problem, the invention provides a kind of with low cost and effectively can alleviate labor intensity of operating staff and reduce human input, primarily of lower support welding gun and the welding gun carrying out regulating balance positioner.
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 be connected with rotary base by turntable bearing, by the slide holder that line slideway is connected with slide unit base, the vertical pendulum swing arm be connected with slide holder by spring balancing mechanism, wherein, the direction set by line slideway is parallel with the plane that vertical pendulum swing arm swings.
Further, described vertical pendulum swing arm comprises the gyroaxis be fixedly connected with slide holder, is all rotationally connected with gyroaxis and the load arm of force be mutually solidified as a whole and acting force arm, wherein, acting force arm and spring balancing mechanism hinged.
Further, described spring balancing mechanism comprises the turning cylinder be fixedly connected with slide holder, one end and the hinged and balancing spring that is that be made up of spring and fixing body of turning cylinder, and the actuating rod be connected with the balancing spring other end, wherein, actuating rod and acting force arm hinged.
Keep to realize location better, the present invention also comprises being connected between vertical pendulum swing arm and slide unit base is convenient to the maintaining body that vertical pendulum swing arm moves rear location.
Specifically, described maintaining body comprises the supporter be fixedly connected with slide unit base, the maintenance bar that middle part is hinged with supporter, be arranged at the gathering sill on vertical pendulum swing arm, and be installed on guide pad in gathering sill and hinged with keeping bar one end, wherein, keep the other end of bar to be provided with rolling with slide unit base the pulley be connected.
Again further, described slide unit base is provided with the chute matched with pulley.
Based on said structure, present invention also offers a kind of rear floor welded system, comprise clamp base, be arranged on the clamp body in clamp base, and welding gun, also comprise above-mentioned welding gun balance positioner, wherein, described welding gun is fixedly connected with vertical pendulum swing arm, and described rotary base is installed in clamp base.
Based on above-mentioned hardware configuration, present invention also offers the implementation method of this rear floor welded system, comprise the steps:
(1) welding gun initial position setting: welding gun electrode arm is in open mode, 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 vertical pendulum swing arm, and now welding gun is in heeling condition;
(2) the rear floor part of welding will be needed to be fixed on clamp body, the electrode tip of itself and welding gun staggers on relative altitude position;
(3) regulate slide holder linearly guide rail move horizontally, make the electrode tip translation of welding gun near the top at part place to be welded, rear floor;
(4) by regulating the position of welding gun to make the load arm of force upwards swing, keeping torque by spring balancing mechanism, the electrode tip of welding gun being overturn downwards near part place to be welded, rear floor, welds;
(5) regulate slide unit base to horizontally rotate, make the electrode tip of welding gun carry out circular arc multi-point welding on the part of rear floor;
(6) after having welded, regulating welding gun to recover initial position, namely open welding gun electrode arm, by regulating the position that spins upside down of welding gun to make the load arm of force swing downwards, being staggered in the relative altitude position of the electrode tip of welding gun and rear floor part; Make again slide holder linearly guide rail be moved horizontally to away from the location of workpiece.
Design principle of the present invention is, use when how to solve rear floor welded that welding gun size is large, the problem of Heavy Weight, in prior art, the weight of welding gun is usually more than 100 kilograms, need during operation to turn an angle with vertical direction in the horizontal direction, again because the restriction of the centre of gyration, cause deviation of gravity center far, gravity eccentricity is very large, prior art adopts the balancer of lifting to balance weight usually, is convenient to manual operation.But because technique changes, the scheme of prior art hanging balancing device up cannot be implemented because interfering with other technological equipments.
How to solve the balance of welding gun, it is the primary problem solved, due to the impact of the suspender passage of top, there is no and conventional balancer may be installed up, therefore below balance mode can only be adopted in consideration, but below balance with overhung balance distinguish very large, overhung is adopted to balance in prior art, balancer is only needed to hang at position of centre of gravity point of welding gun, and from adopting the words of below balance mode, structure must there is enough intensity can fix and support the weight of welding gun, therefore connecting must be firmly, again because the fastness connected, the rotation of the horizontal and vertical of welding gun, just could must realize with fixing articulated structure, moving horizontally of welding gun also needs corresponding track to realize, therefore, must have and horizontally rotate, flip vertical and the mechanism moved horizontally.
How to balance eccentric weight, ensure easy to operately to become difficult point.After the scheme considering cylinders compressing air balance, because this frock can utilize limited space, be not convenient for the motion conveying carrying out compressed air line, add complicated structure, therefore given up cylinder balancing scheme.Certainly because site environment requires more impossible employing hydro-cushion scheme.And from angle simple for structure, consider common spring balancing scheme, although this scheme can balance eccentric load, but the change of the power when flip vertical can not be overcome, by analysis and thinking, creatively combine the characteristic of lever and spring, make use of spring balancing mechanism and the effect of cooperatively interacting of vertical pendulum swing arm, achieve local and rotate permanent balance, thus solve the equilibrium problem of power when vertical local overturns well.Through practice examining, the program is feasible, respond well.
Compared with prior art, the present invention has following beneficial effect:
(1) structure of the present invention is simple, be skillfully constructed, make use of spring balancing mechanism and the effect of cooperatively interacting of vertical pendulum swing arm, achieve local and rotate permanent balance, only need a people to get final product easy manipulation, and alleviate manually-operated labour intensity, save manpower, there is outstanding substantive distinguishing features and significant progress, and it is easy to operate, with low cost, be applicable to applying.
(2) employing turntable bearing is horizontally rotated in the present invention, move horizontally employing line slideway, flip vertical adopts spring balancing mechanism, its track is fixed, during manual operation welding, only need pull welding gun according to graduation indication and can implement welding to suitable angle, positional precision and the quality of welding are all improved largely.
(3) present invention employs below balance mode, utilize rotary base and slide unit base as support, do not interfere with the suspender transfer passage of top, add mobility and the adaptability of operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of welding gun balance positioner in the present invention.
Fig. 2 is the structural representation of rear floor welded system in the present invention.
Fig. 3 is the position view that in the present invention, welding-torch horizontal rotates.
Fig. 4 is the schematic diagram that in the present invention, local rotates permanent balance.
In above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows:
1-rotary base, 2-turntable bearing, 3-slide unit base, 4-line slideway, 5-slide holder, the 6-load arm of force, 7-acting force arm, 8-gyroaxis, 9-turning cylinder, 10-balancing spring, 11-actuating rod, 12-supporter, 13-keeps bar, 14-pulley, 15-guide pad, 16-gathering sill, 17-clamp base, 18-clamp body, 19-welding gun, floor part after 20-.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, 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 be connected with rotary base by turntable bearing 2, by the slide holder 5 that line slideway 4 is connected with slide unit base, the vertical pendulum swing arm be connected with slide holder by spring balancing mechanism, wherein, the direction set by line slideway is parallel with the plane that vertical pendulum swing arm swings.
Further, described vertical pendulum swing arm comprises the gyroaxis 8 be fixedly connected with slide holder, is all rotationally connected with gyroaxis and the load arm of force 6 be mutually solidified as a whole and acting force arm 7, wherein, acting force arm and spring balancing mechanism hinged.
Further, described spring balancing mechanism comprises the turning cylinder 9 be fixedly connected with slide holder, one end and the hinged and balancing spring 10 that is that be made up of spring and fixing body of turning cylinder, and the actuating rod 11 be connected with the balancing spring other end, wherein, actuating rod and acting force arm hinged.
Keep to realize location better, the present invention also comprises being connected between vertical pendulum swing arm and slide unit base is convenient to the maintaining body that vertical pendulum swing arm moves rear location.
Specifically, described maintaining body comprises the supporter 12 be fixedly connected with slide unit base, the maintenance bar 13 that middle part is hinged with supporter, be arranged at the gathering sill 16 on vertical pendulum swing arm, and be installed on guide pad 15 in gathering sill and hinged with keeping bar one end, wherein, keep the other end of bar to be provided with rolling with slide unit base the pulley 14 be connected.
Again further, described slide unit base is provided with the chute matched with pulley.
Based on said structure, present invention also offers a kind of rear floor welded system, comprise clamp base 17, be arranged on the clamp body 18 in clamp base, and welding gun 19, also comprise above-mentioned welding gun balance positioner, wherein, described welding gun is fixedly connected with vertical pendulum swing arm, and described rotary base is installed in clamp base.
Based on above-mentioned hardware configuration, present invention also offers the implementation method of this rear floor welded system, comprise the steps:
(1) welding gun initial position setting: welding gun electrode arm is in open mode, 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 vertical pendulum swing arm, and now welding gun is in heeling condition;
(2) the rear floor part of welding will be needed to be fixed on clamp body, the electrode tip of itself and welding gun staggers on relative altitude position;
(3) regulate slide holder linearly guide rail move horizontally, make the electrode tip translation of welding gun near the top at part place to be welded, rear floor;
(4) by regulating the position of welding gun to make the load arm of force upwards swing, keeping torque by spring balancing mechanism, the electrode tip of welding gun being overturn downwards near part place to be welded, rear floor, welds;
(5) regulate slide unit base to horizontally rotate, make the electrode tip of welding gun carry out circular arc multi-point welding on the part of rear floor;
(6) after having welded, regulating welding gun to recover initial position, namely open welding gun electrode arm, by regulating the position that spins upside down of welding gun to make the load arm of force swing downwards, being staggered in the relative altitude position of the electrode tip of welding gun and rear floor part; Make again slide holder linearly guide rail be moved horizontally to away from the location of workpiece.
In the present invention, utilize the wraparound of spring impetus to turn the arm of force change of center rotating, mate with the linear change of spring force, realize the Real-time Balancing to frock moment of torsion.Computing formula according to moment: moment=power × arm of force, in the present embodiment, the moment of torsion that frock produces is constant is M0=F0 × L0, and corresponding counter balance torque M=hA × FN when a high position that spring produces, M '=hB × F ' N when low level, wherein the elastic force of spring is FN when a high position, be F ' N when low level, the displacement difference of elastic force between a high position and low level is Δ L, therefore FN < F ' N, the numerical value of and hA > hB, so M and M ' is approximately equal, ensures its permanent balance thus.
According to above-described embodiment, just the present invention can be realized well.What deserves to be explained is; under prerequisite based on above-mentioned design principle; for solving same technical problem; even if some making in content basis disclosed in this invention are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the present invention, therefore it also should in protection scope of the present invention.
Claims (8)
1. welding gun balance positioner, it is characterized in that, comprise rotary base (1), by the slide unit base (3) that turntable bearing (2) is connected with rotary base (1), by the slide holder (5) that line slideway (4) is connected with slide unit base (3), the vertical pendulum swing arm be connected with slide holder by spring balancing mechanism, wherein, the direction set by line slideway is parallel with the plane that vertical pendulum swing arm swings.
2. welding gun balance positioner according to claim 1, it is characterized in that, described vertical pendulum swing arm comprises the gyroaxis (8) be fixedly connected with slide holder, all be rotationally connected with gyroaxis (8) and the load arm of force (6) be mutually solidified as a whole and acting force arm (7), 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) be fixedly connected with slide holder (5), one end and the hinged and balancing spring that is that be made up of spring and fixing body (10) of turning cylinder (9), and the actuating rod (11) to be connected with balancing spring (10) other end, wherein, actuating rod (11) is hinged with acting force arm (7).
4. the welding gun balance positioner according to any one of claims 1 to 3, is characterized in that, also comprise being connected between vertical pendulum swing arm and slide unit base and be convenient to the maintaining body that vertical pendulum swing arm moves rear location.
5. welding gun balance positioner according to claim 4, it is characterized in that, described maintaining body comprises the supporter (12) be fixedly connected with slide unit base (3), the maintenance bar (13) that middle part is hinged with supporter (12), be arranged at the gathering sill (16) on vertical pendulum swing arm, and be installed on guide pad (15) in gathering sill (16) and hinged with keeping bar (13) one end, wherein, the other end of bar (13) is kept to be provided with the pulley (14) be connected that to roll with slide unit base (3).
6. welding gun balance positioner according to claim 5, it is characterized in that, described slide unit base is provided with the chute matched with pulley.
7. floor welded system after, comprise clamp base (17), be arranged on the clamp body (18) in clamp base (17), and welding gun (19), it is characterized in that, also comprise the welding gun balance positioner as described in any one of claim 1 ~ 6, wherein, described welding gun (19) is fixedly connected with vertical pendulum swing arm, and described rotary base (1) is installed in clamp base (17).
8. the implementation method of rear floor welded system as claimed in claim 7, is characterized in that, comprise 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 vertical pendulum swing arm;
(2) the rear floor part of welding will be needed to be fixed on clamp body, the electrode tip of itself and welding gun staggers on relative altitude position;
(3) regulate slide holder linearly guide rail move horizontally, make the electrode tip translation of welding gun near the top at part place to be welded, rear floor;
(4) by regulating the position of welding gun to make the load arm of force upwards swing, keeping torque by spring balancing mechanism, the electrode tip of welding gun being overturn downwards near part place to be welded, rear floor, welds;
(5) regulate slide unit base to horizontally rotate, make the electrode tip of welding gun carry out circular arc multi-point welding on the part of rear floor;
(6), after having welded, welding gun is regulated to 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103192206A CN103192206A (en) | 2013-07-10 |
| CN103192206B true 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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| CN (1) | CN103192206B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2013
- 2013-04-22 CN CN201310138855.6A patent/CN103192206B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN103192206A (en) | 2013-07-10 |
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