CN103286424A - Flange automatic welding device of transformer oil conservator - Google Patents
Flange automatic welding device of transformer oil conservator Download PDFInfo
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- CN103286424A CN103286424A CN2013102397707A CN201310239770A CN103286424A CN 103286424 A CN103286424 A CN 103286424A CN 2013102397707 A CN2013102397707 A CN 2013102397707A CN 201310239770 A CN201310239770 A CN 201310239770A CN 103286424 A CN103286424 A CN 103286424A
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Abstract
The invention relates to a flange automatic welding device of a transformer oil conservator. The flange automatic welding device comprises a machine frame and a welding machine, and the welding machine is connected with a welding gun. The flange automatic welding device of the transformer oil conservator is characterized in that a rotary disk is arranged on the machine frame, a motor is further arranged to drive the rotary disk to rotate, the rotary disk is provided with a chuck, a supporting frame is arranged on one side of the machine frame, the supporting frame is connected with an extension bar, the welding gun is fixedly arranged on the extension bar, and a rolling compressing wheel is arranged at the tail end of the extension bar of the supporting frame. By means of the flange automatic welding device of the transformer oil conservator, continuous automatic welding can be achieved, a whole welding process is settled at one step, a working procedure is simple, the labor intensity of welding workers is lowered, production efficiency is improved, the evenness and the stability of welding quality are ensured, and good welding uniformity is achieved.
Description
Technical field
The present invention relates to technical field of transformer manufacturing, particularly relate to a kind of flange welding equipment of transformer conservator.
Background technology
When the volume of transformer oil expands along with the variation of oil temperature or dwindles, conservator plays oil storage and repairing effect, can guarantee to be full of in the fuel tank oil, simultaneously owing to adorned conservator, the contact-making surface of transformer and air is reduced, and the grease after the moisture that absorbs from air, dust and the oxidation all is deposited in the depositor of conservator bottom, the degradation speed that can also slow down transformer oil greatly.The transformer conservator rolls with steel plate usually and forms, and rolled steel plate joint longitudinal joint welds, then at its end welding upper flange.Electric welder's weldering is adopted in the flange of transformer conservator welding at present.Traditional manual welding technology exists that automaticity is low, labor strength is high, operator's qualification is required than higher, shortcomings such as production efficiency is low, percent defective height, it is influenced greatly by human factor, the welding quality instability becomes a great problem that restriction is produced.
Summary of the invention
The objective of the invention is to the above-mentioned weak point that exists at existing welding machine, a kind of flange automatic soldering device of transformer conservator be provided, can be automatically to the flange rim welding of transformer conservator, its high efficiency, and less demanding to the craftsmanship.
The technical scheme that the technical problem that the present invention solves adopts is: a kind of flange automatic soldering device of transformer conservator, comprise frame and welding machine, welding machine is connected with welding gun, frame is provided with rotary disk, is provided with motor and can drives the rotary disk rotation, and rotary disk is provided with chuck, one side of frame is provided with bracing frame, bracing frame is connected with extension bar, and welding gun is fixed on the extension bar, and the extension bar end of bracing frame is provided with to roll and holds out against wheel.During use, at first flange is placed on the chuck on the rotary disk, transformer conservator cylindrical shell workpiece is placed on the flange of corresponding welding, chuck opens on the inwall that withstands on transformer conservator cylindrical shell, make the lower end of transformer conservator cylindrical shell workpiece contact with the flange weld, and be fixed on the chuck, the rolling of extension bar end holds out against the outer wall that wheel withstands on transformer conservator cylindrical shell workpiece, the welding gun of welding machine is regulated the weld of aiming between transformer conservator cylindrical shell and the flange, starter motor, driven by motor rotary disk and chuck rotate, and transformer conservator cylindrical shell workpiece and flange also rotate synchronously, start welding machine, welding gun is finished the welding between transformer conservator cylindrical shell and flange automatically.Transformer conservator cylindrical shell workpiece is fixed on the chuck, and the rolling of extension bar end holds out against the outer wall that wheel withstands on transformer conservator cylindrical shell workpiece, can prevent welding deformation, guarantees welding quality.Whole welding process settles at one go, and operation is simple, has reduced welder's labour intensity, enhances productivity, and guarantees uniformity and the stability of welding quality, has good welding uniformity.Continuous welding of the present invention, also overcome the cylindrical shell that causes when general welder is wanted the starting the arc, current interruption owing to the welding of each transformer conservator cylindrical shell and burnt phenomenon, simple and reliable for structure.
As preferably, bracing frame comprises end shelves and the support bar that is connected frame, support bar can be movably fixedly connected to direction at the width of cloth of end shelves, post upper is with adjusting bracket, the adjusting bracket upper end is for being provided with the nut of internal thread, extension bar is fixed on the adjusting bracket, and the screw mandrel that is provided with the band handwheel is screwed into the nut of adjusting bracket, and the lower end of screw mandrel withstands on the upper surface of support bar.Because support bar can be movably fixedly connected to direction at the width of cloth of end shelves, be fixed on the position of end shelves like this by support bar, can regulate the width of cloth of the welding between welding gun and transformer conservator cylindrical shell and flange to the position, and the rolling of regulating the extension bar end holds out against wheel and withstands on the outer wall width of cloth of transformer conservator cylindrical shell workpiece to the position, with the welding at the transformer conservator of different-diameter, to strengthen the versatility of automatic soldering device.The rotation of handwheel makes the adjusting bracket nut drive adjusting bracket that is screwed on the screw mandrel move up and down, and can regulate the high and low position of extension bar like this, and the assurance welding gun can be aimed at the welding position between transformer conservator cylindrical shell and flange.
As preferably, end shelves are provided with guide-track groove, are connected with the base plate of band fixing hole under the support bar, and guide-track groove has the pressing plate of band fixing hole, fixedly connected with locking nut with screw rod between base plate and pressing plate.When the locking nut of screw rod unclamps, support bar just can move to direction at the width of cloth of end shelves, and when regulating link position, the locking nut of tightening just can be realized fixedlying connected of support bar and end shelves.
As preferably, the extension bar end of bracing frame is provided with the cavity of guiding, be provided with spring and the axis of guide in the cavity, spring one end withstands on the bottom of cavity, one end withstands on the front end of the axis of guide, the front portion of the axis of guide is provided with stopper slot, be provided with stop screw and pass through extension bar, the lower end of stop screw is positioned at stopper slot, be connected with guide bearing on the axis of guide, guide bearing is positioned at cavity, it is two location bearings that above-mentioned rolling holds out against wheel, and two location bearings are movably connected in the upper-lower position of axis of guide end respectively, and the welding gun bottom is arranged with holster, be respectively equipped with upper connecting rod and lower connecting rod between holster and the axis of guide, be connected with rotatable adjusting flange between upper connecting rod and lower connecting rod.
The axis of guide can move at the cavity of extension bar end under the effect of spring, and guide bearing can be guaranteed the extension bar horizontal level, and play the effect of guiding, the outer wall width of cloth that two location bearings withstand on transformer conservator cylindrical shell workpiece by the pressure of spring, guarantees to hold out against the location to the position.Be connected with rotatable adjusting flange between upper connecting rod and lower connecting rod, by regulating the rotation of flange, can regulate welding gun and can aim at soldering angle between transformer conservator cylindrical shell and flange, to guarantee its welding quality.
During concrete enforcement, the output shaft of motor is connected with change gear box, and the output shaft of gear-box is connected with the center of rotary disk.Motor rotation driven gear case rotates, and gear-box rotates and drives the rotary disk rotation.
During concrete enforcement, above-mentioned welding machine is gas shielded welding machine, and gas shielded welding machine is connected with welding gun by conduit.
The invention has the beneficial effects as follows: the present invention can realize continuously welding automatically, and whole welding process settles at one go, and operation is simple, reduced welder's labour intensity, enhance productivity, guarantee uniformity and the stability of welding quality, have good welding uniformity.
Description of drawings
Below in conjunction with drawings and Examples invention is further specified.
Fig. 1 is that the structure master of the embodiment of the invention looks schematic diagram;
Fig. 2 is the schematic side view of the embodiment of the invention;
Fig. 3 is the schematic top plan view of the embodiment of the invention;
Structural representation when Fig. 4 is embodiment of the invention use;
Fig. 5 is the A place enlarged drawing of embodiment of the invention Fig. 4.
Among the figure: 1, frame 2, welding gun 3, rotary disk 4, scroll chuck 5, end shelves 6, support bar 7, screw mandrel, adjusting bracket 9, extension bar 10, conservator cylindrical shell 11, motor 12, flange 13, pole 21, conduit 22, holster 23, lower connecting rod 24, regulate flange 51, guide-track groove 52, base plate 61, pressing plate 71, handwheel 81, nut 91, spring 92, the axis of guide 93, spacing spiral shell 94, stopper slot 95, guide bearing 96, cavity 97, location bearing 98, upper connecting rod.
The specific embodiment
The present invention is described in further detail below in conjunction with embodiment, and following examples are explanation of the invention, and the present invention is not limited to following examples.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5; a kind of flange automatic soldering device of transformer conservator comprises frame 1, carbon dioxide gas arc welding machine; the carbon dioxide gas arc welding machine is connected with welding gun 2 by conduit 21; frame 1 is provided with rotary disk 3; the output shaft of motor 11 is connected with change gear box, and the output shaft of gear-box is connected with the center of rotary disk 3.Motor 11 rotation driven gear casees rotate, and gear-box rotates and drives rotary disk 3 rotations.Rotary disk 3 is provided with scroll chuck 4, one side of frame 1 is provided with bracing frame, bracing frame comprises end shelves 5 and the support bar 6 that is connected frame 1, be connected with pole 13 on the end shelves 5, pole 13 upper end A/Cs 21, end shelves 5 are provided with guide-track groove 51, support bar is connected with the base plate 61 of band fixing hole for 6 times, guide-track groove 51 has the pressing plate 52 of band fixing hole, 52 of base plate 61 and pressing plates are fixedlyed connected with locking nut with screw rod, support bar 6 can pass through base plate 61, pressing plate 52, screw rod and locking nut, support bar 6 can be movably fixedly connected to direction at the width of cloth of end shelves 5, and support bar 6 upper ends are with adjusting bracket 8, adjusting bracket 8 upper ends are the nut 81 that is provided with internal thread, extension bar 9 is fixed on the adjusting bracket 8, and the screw mandrel 7 that is provided with band handwheel 71 is screwed into the nut 81 of adjusting bracket 8, and the lower end of screw mandrel 7 withstands on the upper surface of support bar 6.Extension bar 9 ends are provided with the cavity 96 of guiding, be provided with spring 91 and the axis of guide 92 in the cavity 96, spring 91 1 ends withstand on the bottom of cavity 96, one end withstands on the front end of the axis of guide 92, the front portion of the axis of guide 92 is provided with stopper slot 94, be provided with stop screw 93 by extension bar 9, the lower end of stop screw 93 is positioned at stopper slot 94, be connected with guide bearing 95 on the axis of guide 92, guide bearing 95 is positioned at cavity 96, two location bearings 97 are movably connected in the upper-lower position of the axis of guide 92 ends respectively, welding gun 2 bottoms are arranged with holster 22,92 of holster 22 and the axis of guides are respectively equipped with upper connecting rod 98 and lower connecting rod 23, and 23 of upper connecting rod 98 and lower connecting rods are connected with rotatable adjusting flange 24.
The structure of scroll chuck 4 is used for holding workpiece with the scroll chuck of the headstock of lathe, and its chucking power is big.During use, at first flange 12 is placed on the scroll chuck 4 on the rotary disk 3, transformer conservator cylindrical shell 10 workpiece are placed on the flange 4 of corresponding welding, scroll chuck 4 opens on the inwall that withstands on transformer conservator cylindrical shell 10, make the lower end of transformer conservator cylindrical shell 10 workpiece contact with flange 12 welds, and be fixed on the scroll chuck 4, the axis of guide 92 is under the effect of spring 91, the cavity 96 of extension bar 9 ends moves, guide bearing 95 can be guaranteed the axis of guide 92 horizontal levels, and plays the effect of guiding, and two location bearings 97 withstand on the outer wall width of cloth of transformer conservator cylindrical shell 10 workpiece to the position, by the pressure of spring 91, guarantee to hold out against the location.The welding gun 2 of carbon dioxide gas arc welding machine is regulated the weld of aiming between transformer conservator cylindrical shell 10 and the flange 12; starter motor 11; motor 11 drives rotary disk 3 and scroll chuck 4 rotates; transformer conservator cylindrical shell 10 workpiece and flange 12 also rotate synchronously; start the carbon dioxide gas arc welding machine, welding gun is finished the welding of 12 of transformer conservator cylindrical shell 10 and flanges automatically.Whole welding process settles at one go, and operation is simple, has reduced welder's labour intensity, enhances productivity, and guarantees uniformity and the stability of welding quality, has good welding uniformity.Continuous welding of the present invention, also overcome the cylindrical shell that causes when general welder is wanted the starting the arc, current interruption owing to the welding of each transformer conservator cylindrical shell and burnt phenomenon, simple and reliable for structure.
When the locking nut of screw rod unclamps, support bar 6 just can move to direction at the width of cloth of end shelves 5, and when regulating link position, the locking nut of tightening just can be realized fixedlying connected of support bar 6 and end shelves 5.Because support bar 6 can be movably fixedly connected to direction at the width of cloth of end shelves 5, be fixed on the position of end shelves 5 like this by support bar 6, can regulate the width of cloth of welding of 12 of welding gun 2 and transformer conservator cylindrical shell 10 and flanges to the position, and two location bearings 97 regulating extension bar 9 ends withstand on the outer wall width of cloth of transformer conservator cylindrical shell 10 workpiece to the position, with the welding at the transformer conservator of different-diameter, to strengthen the versatility of automatic soldering device.The rotation of handwheel 71 makes that be screwed in adjusting bracket nut 81 on the screw mandrel 7 drives adjusting brackets 8 and move up and down, and can regulate the high and low position of extension bar 9 like this, guarantees that welding gun 2 can aim at the welding position of 12 of transformer conservator cylindrical shell 10 and flanges.23 of upper connecting rod 98 and lower connecting rods are connected with rotatable adjusting flange 24, by regulating the rotation of flange 24, can regulate the soldering angle that welding gun 2 can be aimed at 12 of transformer conservator cylindrical shell 10 and flanges, to guarantee its welding quality.The width of cloth by welding gun 2 to, up and down with the adjusting of angle, guarantee the welding to 12 of the transformer conservator cylindrical shell 10 of different size specifications and flanges.
Claims (6)
1. the flange automatic soldering device of a transformer conservator, comprise frame and welding machine, welding machine is connected with welding gun, it is characterized in that frame is provided with rotary disk, be provided with motor and can drive the rotary disk rotation that rotary disk is provided with chuck, one side of frame is provided with bracing frame, bracing frame is connected with extension bar, and welding gun is fixed on the extension bar, and the extension bar end of bracing frame is provided with to roll and holds out against wheel.
2. the flange automatic soldering device of a kind of transformer conservator according to claim 1, it is characterized in that bracing frame comprises end shelves and the support bar that is connected frame, support bar can be movably fixedly connected to direction at the width of cloth of end shelves, post upper is with adjusting bracket, the adjusting bracket upper end is for being provided with the nut of internal thread, extension bar is fixed on the adjusting bracket, and the screw mandrel that is provided with the band handwheel is screwed into the nut of adjusting bracket, and the lower end of screw mandrel withstands on the upper surface of support bar.
3. the flange automatic soldering device of a kind of transformer conservator according to claim 3, it is characterized in that end shelves are provided with guide-track groove, be connected with the base plate of band fixing hole under the support bar, guide-track groove has the pressing plate of band fixing hole, fixedlys connected with locking nut with screw rod between base plate and pressing plate.
4. according to claim 1, the flange automatic soldering device of 2 or 3 described a kind of transformer conservators, it is characterized in that the extension bar end of bracing frame is provided with the cavity of guiding, be provided with spring and the axis of guide in the cavity, spring one end withstands on the bottom of cavity, one end withstands on the front end of the axis of guide, the front portion of the axis of guide is provided with stopper slot, be provided with stop screw and pass through extension bar, the lower end of stop screw is positioned at stopper slot, be connected with guide bearing on the axis of guide, guide bearing is positioned at cavity, it is two location bearings that above-mentioned rolling holds out against wheel, and two location bearings are movably connected in the upper-lower position of axis of guide end respectively, and the welding gun bottom is arranged with holster, be respectively equipped with upper connecting rod and lower connecting rod between holster and the axis of guide, be connected with rotatable adjusting flange between upper connecting rod and lower connecting rod.
5. according to the flange automatic soldering device of claim 1,2 or 3 described a kind of transformer conservators, the output shaft that it is characterized in that motor is connected with change gear box, the output shaft of gear-box is connected with the center of rotary disk, motor rotation driven gear case rotates, and gear-box rotates and drives the rotary disk rotation.
6. according to the flange automatic soldering device of claim 1,2 or 3 described a kind of transformer conservators, it is characterized in that welding machine is the carbon dioxide gas arc welding machine, the carbon dioxide gas arc welding machine is connected with welding gun by conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310239770.7A CN103286424B (en) | 2013-06-18 | 2013-06-18 | A kind of flange automatic soldering device of installation for transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310239770.7A CN103286424B (en) | 2013-06-18 | 2013-06-18 | A kind of flange automatic soldering device of installation for transformer |
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| CN103286424A true CN103286424A (en) | 2013-09-11 |
| CN103286424B CN103286424B (en) | 2015-12-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838582A (en) * | 2017-10-13 | 2018-03-27 | 江苏恒润波纹管有限公司 | A kind of circular seam welding machine for corrugated pipes |
| CN108515308A (en) * | 2018-03-30 | 2018-09-11 | 宁波辉励铭诚汽车零部件有限公司 | A kind of automatic welding device |
| CN110977316A (en) * | 2019-12-11 | 2020-04-10 | 常德鹏达机械加工有限公司 | Welding device for cylinder head of oil cylinder |
| CN114453802A (en) * | 2020-08-25 | 2022-05-10 | 昆山坎昆机械设备有限公司 | Automatic welding device for bearing seat machining |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08174282A (en) * | 1994-12-27 | 1996-07-09 | Nittetsu Boshoku Kk | Tack welding equipment for flange to steel pipe |
| CN201140312Y (en) * | 2007-06-02 | 2008-10-29 | 中国第一重型机械集团公司 | Weld deposit apparatus for internal wall of 30 DEG elbow bend |
| CN101590562A (en) * | 2009-06-24 | 2009-12-02 | 镇江泛沃汽车零部件有限公司（中外合资） | Resistance welding equipment and welding control method |
| CN201815784U (en) * | 2010-07-29 | 2011-05-04 | 宁波润轴汽配有限公司 | Automatic welding equipment |
| CN202028864U (en) * | 2011-03-28 | 2011-11-09 | 鞍山市宏图防腐工程有限公司 | Multi-functional swing frame type roller series automatic submerged arc welder |
| CN102825404A (en) * | 2012-09-29 | 2012-12-19 | 潍柴重机股份有限公司 | Flange component welding special machine |
| CN203356821U (en) * | 2013-06-18 | 2013-12-25 | 申达电气集团有限公司 | Automatic flange welding device of transformer expansion tank |
-
2013
- 2013-06-18 CN CN201310239770.7A patent/CN103286424B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08174282A (en) * | 1994-12-27 | 1996-07-09 | Nittetsu Boshoku Kk | Tack welding equipment for flange to steel pipe |
| CN201140312Y (en) * | 2007-06-02 | 2008-10-29 | 中国第一重型机械集团公司 | Weld deposit apparatus for internal wall of 30 DEG elbow bend |
| CN101590562A (en) * | 2009-06-24 | 2009-12-02 | 镇江泛沃汽车零部件有限公司（中外合资） | Resistance welding equipment and welding control method |
| CN201815784U (en) * | 2010-07-29 | 2011-05-04 | 宁波润轴汽配有限公司 | Automatic welding equipment |
| CN202028864U (en) * | 2011-03-28 | 2011-11-09 | 鞍山市宏图防腐工程有限公司 | Multi-functional swing frame type roller series automatic submerged arc welder |
| CN102825404A (en) * | 2012-09-29 | 2012-12-19 | 潍柴重机股份有限公司 | Flange component welding special machine |
| CN203356821U (en) * | 2013-06-18 | 2013-12-25 | 申达电气集团有限公司 | Automatic flange welding device of transformer expansion tank |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838582A (en) * | 2017-10-13 | 2018-03-27 | 江苏恒润波纹管有限公司 | A kind of circular seam welding machine for corrugated pipes |
| CN108515308A (en) * | 2018-03-30 | 2018-09-11 | 宁波辉励铭诚汽车零部件有限公司 | A kind of automatic welding device |
| CN110977316A (en) * | 2019-12-11 | 2020-04-10 | 常德鹏达机械加工有限公司 | Welding device for cylinder head of oil cylinder |
| CN114453802A (en) * | 2020-08-25 | 2022-05-10 | 昆山坎昆机械设备有限公司 | Automatic welding device for bearing seat machining |
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| CN103286424B (en) | 2015-12-23 |
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