CN105397237A - Automatic welding machine for transformer oil tank edge protection frame - Google Patents
Automatic welding machine for transformer oil tank edge protection frame Download PDFInfo
- Publication number
- CN105397237A CN105397237A CN201510991358.XA CN201510991358A CN105397237A CN 105397237 A CN105397237 A CN 105397237A CN 201510991358 A CN201510991358 A CN 201510991358A CN 105397237 A CN105397237 A CN 105397237A
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- China
- Prior art keywords
- welding
- gantry type
- welding torch
- oil tank
- transformer oil
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K5/00—Gas flame welding
- B23K5/02—Seam welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides an automatic welding machine for a transformer oil tank edge protection frame, which comprises a plurality of parallel working tables, wherein two parallel guide rails are arranged both sides of the working tables respectively and are supported on a gantry type rack through support wheels; a welding torch mounting rack, a wire feeding structure travelling control box and an electric appliance box are arranged on the gantry type rack; a drag chain is mounted on any side of the gantry type rack and is used for moving a welding cable, a gas pipe and a three-phase cable; a welding torch is arranged on the welding torch mounting rack; a travelling cam mechanism and a travelling transmission mechanism are mounted on any side of the gantry type rack; and the travelling cam mechanism is used for controlling the travelling transmission mechanism to work and idly work. During working, two ends of each of two floating bridges are arranged between two working tables respectively, two ends of a workpiece are fixed on the two floating bridges, the travelling transmission mechanism drives the gantry type rack to perform linear motion along the two guide rails, and the welding torch on the gantry type rack finish welding of the workpiece.
Description
Technical field:
The present invention relates to a kind of transformer oil tank edge and protect frame automatic welding machine, being applicable to large-scale power transformer case along protecting the welding of frame weld seam.
Background technology:
Current high-power transformer fuel tank edge protects frame generally has three circle band steels or square steel to protect frame, for preventing from cannot carrying out protecting and causing metal rusting, and require to carry out sequential welding, weld seam reaches about 150 meters (for 10 meters long 3 meters of wide fuel tanks), and be all adopt the mode of manual welding operation to carry out, welding job amount is very large, and in welding process, appearance of weld is uneven, welding line joint is many, affect case along fluid sealant circle installation and sealing; And welded workpiece deflection is large, quality is unstable, and production efficiency is low.
Present case all adopts electric welder's manual welding to complete along protecting frame welding, in manual welding process, soldering angle size is not easy to control well, case is directly caused to diminish along the seal groove size of protecting frame formation when spoiling under weld seam, affect the compression of case along fluid sealant circle, the sealing on nowel edge in impact; Electric welder's manual welding is interrupted welding phenomena ubiquity simultaneously, and repeatedly starting the arc during welding, causes welding point many, also makes the suspension in air have an opportunity to combine with mother metal, becomes gas pore in weld metal and slag inclusion, affects case along protecting the attractive in appearance of frame weld seam.
Summary of the invention:
The object of the invention is for technical background weak point, provide a kind of transformer oil tank edge and protect frame automatic welding machine, it considers that protecting frame is long straight weld, welding equipment needs the requirement possessing rectilinear motion, in addition, because welding can produce welding deformation, workpiece will be fixed on platform by automatic welding device, to reduce welding deformation to greatest extent, ensure weld seam welding quality, and to the welding simultaneously of square steel two sides, enhance productivity, reduce labor intensity, improve working environment.
For achieving the above object, the present invention takes following technical scheme to be achieved:
Transformer oil tank edge protects frame automatic welding machine, comprise several workbench be arranged in parallel, the both sides of several workbench are provided with a guide rail, and two guide rail parallels are arranged, article two, guide rail is provided with gantry type frame by support wheel, gantry type frame is provided with welding torch installing rack, wire feed structure, travelling control box and electric appliance box, the either side of gantry type frame is also provided with drag chain, for the walking of the cable of welding cable and tracheae and three-phase electricity;
Welding torch installing rack is provided with welding torch;
Also be provided with walking cam mechanism and walking transmission mechanism at the either side of gantry type frame, wherein, walking cam mechanism is for controlling walking transmission mechanism work and unloaded two actions;
During work, the two ends of two pontoon bridges are separately positioned between two workbench, and the two ends of workpiece are separately fixed on two pontoon bridges, and walking transmission mechanism drives gantry type frame along two guide rail rectilinear motions, and on gantry type frame, welding torch completes the welding to workpiece.
The present invention further improves and is, guide rail is provided with 19 workbench.
The present invention further improves and is, is also provided with two groups of directive wheels bottom gantry type frame, for controlling the rectilinear motion of gantry type frame.
The present invention further improves and is, welding torch installing rack is symmetrically arranged with two welding torches.
The present invention further improves and is, the two ends of two pontoon bridges are all arranged between two workbench by fixture, and the two ends of workpiece are respectively by pressing plate and be bolted on two pontoon bridges.
The present invention further improves and is, walking cam mechanism comprises cam, one end of cam is fixedly connected with handwheel, its other end is connected with guiding corner strap, walking transmission mechanism is arranged on guiding corner strap, rotated by rotation hand wheel band moving cam, cam rotating band action-oriented corner strap moves up and down, and then controls walking transmission mechanism work and unloaded two actions.
The present invention further improves and is, walking transmission mechanism comprises variable-frequency motor, and the output of variable-frequency motor is connected with driving wheel, drives driving wheel to rotate by variable-frequency motor, and then drives gantry type frame along two guide rail rectilinear motions.
The present invention further improves and is, welding torch installing rack comprises horizontal rack that horizontal direction arranges and in the vertical direction is symmetricly set on two vertical tooth racks at horizontal rack two ends, the lower end of each vertical tooth rack is provided with a welding torch clamping device, each welding torch clamping device is provided with a welding torch.
The present invention further improves and is, welding torch installing rack also comprises horizontal direction knob, for regulating two positions of vertical tooth rack in horizontal rack.
The present invention further improves and is, welding torch installing rack also comprises vertical direction knob, for regulating two positions of welding torch clamping device on corresponding vertical tooth rack.
Relative to prior art, the present invention has following advantage:
Due to transformer oil tank edge be four long straight casees along composition, first transformer oil tank edge is protected frame one by one on request after welding fabrication, then carries out splicing (current technology requirement); The structure that transformer oil tank edge protects frame automatic welding machine can be simplified, increase the scope of application.Planer-type case is good along protecting frame welding line automatic welding its structural stability that picks, and manufactures simple; Feeding due to welding requires that tolerance is comparatively large, the gantry type frame deadweight of bonding machine and the coefficient of friction of driving wheel and guide rail substantially constant; The transmission of automatic welding machine can adopt variable-frequency motor directly to drive driving wheel to drive the gantry type frame uniform motion of bonding machine by the friction with guide rail, realizes transformer oil tank edge and protects frame automatic welding.Enormously simplify the transmission mechanism of automatic welding machine, realize the non-maintaining function of automatic welding machine.In addition, when walking cam mechanism controls automatic welding machine work, gantry type frame is driven to do adjustable uniform motion by driving wheel; When backhaul and adjustment, driving wheel and guide rail are thrown off, and manually fast gantry type frame can be moved to the position of requirement.Also adopt that variable-frequency motor is positive and negative transfers execution.
Further, two welding torches are symmetrically welded to be avoided singly welding torch is carried out welding producing thermal deformation and causing and do not weld gap increase, affect second limit welding quality, and work efficiency is low.
In sum, advantage of the present invention is, structure is simple, easy to use, low processing cost, because case can reach 1 m/min (manual gas is protected weldering speed of welding and is generally 0.3 ~ 0.4 m/min) along protecting the frame welding line automatic welding speed of welding that picks, its speed of welding is fast, local welding heat is little, and welding deformation is also little; At the uniform velocity, welding is steady, the advantages such as even weld is attractive in appearance, and welding quality is good for speed of welding.
Accompanying drawing illustrates:
To be case to pick overall pattern along protecting frame welding line automatic welding Fig. 1, and wherein, Fig. 1 (a) is front view, and Fig. 1 (b) is left view, and Fig. 1 (c) is top view.
To be case to pick pontoon bridge schematic diagram along protecting frame welding line automatic welding Fig. 2, and wherein, Fig. 2 (a) is front view, and Fig. 2 (b) is left view.
To be case to pick walking cam mechanism schematic diagram along protecting frame welding line automatic welding Fig. 3, and wherein, Fig. 3 (a) is front view, and Fig. 3 (b) is left view, and Fig. 3 (c) is top view.
To be case to pick welding torch installing rack structural scheme of mechanism along protecting frame welding line automatic welding Fig. 4.
In figure: 1 is workbench, 2 is guide rail, and 3 is pontoon bridge, and 31 is fixture, and 32 is bolt, and 33 is pressing plate; 4 is drag chain, and 5 is gantry type frame, and 51 is support wheel, and 52 is directive wheel, 53 is wire feeder, and 54 is travelling control box, and 55 is electric appliance box, and 6 is walking cam mechanism, 61 is handle, and 62 is cam, and 63 is guiding corner strap, and 7 is walking transmission mechanism, 71 is variable-frequency motor, and 72 is driving wheel, and 8 is welding torch installing rack, 81 is horizontal direction knob, and 82 is vertical direction knob, and 83 is horizontal rack, 84 is vertical tooth rack, and 85 is welding torch clamping device, and 86 is welding torch; 9 is workpiece.
Detailed description of the invention:
Below with reference to accompanying drawing, the present invention will be further described:
With reference to accompanying drawing 1 to 4, transformer oil tank edge of the present invention protects frame welding line automatic welding and picks, comprise workbench 1, guide rail 2, pontoon bridge 3, fixture 31, bolt 32, pressing plate 33, drag chain 4, gantry type frame 5, support wheel 51, directive wheel 52, wire feeder 53, travelling control box 54, electric appliance box 55, walking cam mechanism 6, handle 61, cam 62, guiding corner strap 63, walking transmission mechanism 7, variable-frequency motor 71, driving wheel 72, welding torch installing rack 8, horizontal direction knob 81, vertical direction knob 82, horizontal rack 83, vertical tooth rack 84, welding torch clamping device 85, welding torch 86 and workpiece 9.
Automatic welding machine is provided with 19 workbench 1 be separated, for placing welding work pieces 9; On the left of the workbench of the most left (or the rightest), (or right side) utilizes fixture 31 to fixedly mount a pontoon bridge 3, for one end of fixation workpiece 9; Between any two workbench 1, fixture 31 is utilized to fixedly mount the other end of another pontoon bridge 3 for fixation workpiece 9 according to the length of workpiece.Pontoon bridge 3 uses fixture 31 to be fixed on by pontoon bridge 3 between two workbench 1, and by the T-slot of self, use pressing plate 33 and bolt 32 to be fitted on workbench 1 by workpiece, the length of using pontoon bridge 3 can realize press-fiting of the workpiece 9 of different length.
Two guide rails 2 are arranged in 19 workbench 1 both sides, and gantry type frame 5 is by four support wheels 51 no load movement on guide rail 2; Gantry type frame 5 controls the rectilinear motion of gantry type frame 5 by two groups of directive wheels 52; Welding torch installing rack 8 is positioned at gantry type frame 5 forefront, gantry type frame 5 is also placed two wire feed structures 53, travelling control box 54 and electric appliance box 55; At the either side of gantry type frame 5, drag chain 4 is also installed, for the walking of the cable of welding cable and tracheae and three-phase electricity.Case picks and is applicable to along protecting frame welding line automatic welding the welding that width is less than straight line welding work pieces 9 weld seam of 500mm.
Welding torch installing rack 8 adopts the cutting torch bracket of semi-automatic gas cutting machine, its support is fixed with a horizontal rack 83; Horizontal rack 83 is installed two horizontal direction knobs 81; Respectively on two horizontal direction knobs 81 fix a vertical tooth rack 84, each installation vertical direction knob 82 on vertical tooth rack 84, vertical direction knob 82 is a fixed installation welding torch clamping device 85 respectively, for installing welding torch 86, and welding torch 86 position locomotive function in the horizontal and vertical directions can be realized.
Install walking cam mechanism 6 and walking transmission mechanism 7 at the either side of gantry type frame 5, walking cam mechanism 6 controls walking transmission mechanism 7 by handle 61 and works and unloaded two actions; Walking cam mechanism 6 is with moving cam 62 by handle 61, is moved up and down by the guiding corner strap 63 that rotarily drives of cam 62, guiding corner strap 63 bottom fixed installation walking transmission mechanism 7, and walking transmission mechanism 7 is made up of variable-frequency motor 71 and driving wheel 72; Variable-frequency motor 71 is provided with driving wheel 72, is moved up and down by guiding corner strap 63, realize being separated and contacting, for adjustable uniform motion of gantry type frame 5 of driving wheel 72 and guide rail 2.
Variable-frequency motor 71 is adopted directly to drive driving wheel 72 transmission: the transmission of automatic welding machine adopts variable-frequency motor 71 directly to drive driving wheel 72 by friction belt driven portal open frame 5 adjustable (0 ~ 1300mm/ divides) uniform motion with guide rail 2, realizes transformer oil tank edge and protects frame automatic welding; Enormously simplify machine driven system, the function that the equipment that substantially reaches is non-maintaining.
According to the requirement of drawing butt welded seam leg height, adjustment gas protects the welding parameter (comprising speed of welding) of weldering, and the handle 61 in walking cam mechanism is pulled to operating position, the angle of inclination of adjustment two welding torches 86 and welding torch position.Switch on power, gantry type frame 5 uniform motion under the drive of variable-frequency motor 71, welding torch 86 automatically welds under the control of variable-frequency motor 71.In welding process, manual adjustments horizontal direction knob 81, vertical direction knob 82 control the distance of welding torch 86 apart from workpiece 9, to eliminate the nonstraightness of workpiece 9 and unevenness to the impact of welding.Guarantee welding quality, make weld seam welding uniformity good.
In order to further understand the present invention, now its course of work is explained as follows:
1) be placed on workbench 1 by workpiece 9, two ends use pontoon bridge 3 workpiece pressing 9, then to the position of good welding torch 86, adjust welding parameter.
2) walking cam mechanism 6 is pulled to operating position, switch on power, gantry type frame 5 uniform motion under the drive of variable-frequency motor 71, welding torch 86 is applied its function of stepless speed regulation and is realized automatic welding under the control of variable-frequency motor 71.
3) in welding process, regulate horizontal direction knob 81 manually, distance that vertical direction knob 82 controls welding torch 86 and workpiece 9, to eliminate the nonstraightness of workpiece 9 and unevenness to the impact of welding.According to nonstraightness and unevenness manual adjustments welding torch 86 and the distance of workpiece 9 at any time of workpiece 9, guarantee welding quality, until welding terminates.
Claims (10)
1. transformer oil tank edge protects frame automatic welding machine, it is characterized in that, comprise several workbench (1) be arranged in parallel, the both sides of several workbench (1) are provided with a guide rail (2), and two guide rails (2) be arranged in parallel, article two, guide rail (2) is provided with gantry type frame (5) by support wheel (51), gantry type frame (5) is provided with welding torch installing rack (8), wire feed structure (53), travelling control box (54) and electric appliance box (55), the either side of gantry type frame (5) is also provided with drag chain (4), for the walking of the cable of welding cable and tracheae and three-phase electricity,
Welding torch installing rack (8) is provided with welding torch (86);
At the either side of gantry type frame (5), walking cam mechanism (6) and walking transmission mechanism (7) are also installed, wherein, cam mechanism (6) is walked for controlling walking transmission mechanism (7) work and unloaded two actions;
During work, the two ends of two pontoon bridges (3) are separately positioned between two workbench (1), the two ends of workpiece (9) are separately fixed on two pontoon bridges (3), walking transmission mechanism (7) drives gantry type frame (5) along two guide rail (2) rectilinear motions, and the welding torch (86) on gantry type frame (5) completes the welding to workpiece (9).
2. transformer oil tank edge according to claim 1 protects frame automatic welding machine, it is characterized in that, guide rail (2) is provided with 19 workbench (1).
3. transformer oil tank edge according to claim 1 protects frame automatic welding machine, it is characterized in that, gantry type frame (5) bottom is also provided with two groups of directive wheels (52), for controlling the rectilinear motion of gantry type frame (5).
4. transformer oil tank edge according to claim 1 protects frame automatic welding machine, it is characterized in that, welding torch installing rack (8) is symmetrically arranged with two welding torches (86).
5. transformer oil tank edge according to claim 1 protects frame automatic welding machine, it is characterized in that, the two ends of two pontoon bridges (3) are all arranged between two workbench (1) by fixture (31), and the two ends of workpiece (9) are fixed on two pontoon bridges (3) respectively by pressing plate (33) and bolt (32).
6. transformer oil tank edge according to claim 1 protects frame automatic welding machine, it is characterized in that, walking cam mechanism (6) comprises cam (62), one end of cam (62) is fixedly connected with handle (61), its other end is connected with guiding corner strap (63), walking transmission mechanism (7) is arranged in guiding corner strap (63), rotated by rotary handle (61) band moving cam (62), cam (62) rotating band action-oriented corner strap (63) moves up and down, and then control walking transmission mechanism (7) work and unloaded two actions.
7. transformer oil tank edge according to claim 1 protects frame automatic welding machine, it is characterized in that, walking transmission mechanism (7) comprises variable-frequency motor (71), the output of variable-frequency motor (71) is connected with driving wheel (72), drive driving wheel (72) to rotate by variable-frequency motor (71), and then drive gantry type frame (5) along two guide rail (2) rectilinear motions.
8. transformer oil tank edge according to claim 1 protects frame automatic welding machine, it is characterized in that, welding torch installing rack (8) comprises horizontal rack (83) that horizontal direction arranges and in the vertical direction is symmetricly set on two vertical tooth racks (84) at horizontal rack (83) two ends, the lower end of each vertical tooth rack (84) is provided with a welding torch clamping device (85), each welding torch clamping device (85) is provided with a welding torch (86).
9. transformer oil tank edge according to claim 8 protects frame automatic welding machine, it is characterized in that, welding torch installing rack (8) also comprises horizontal direction knob (81), for regulating two positions of vertical tooth rack (84) in horizontal rack (83).
10. transformer oil tank edge according to claim 8 protects frame automatic welding machine, it is characterized in that, welding torch installing rack (8) also comprises vertical direction knob (82), for regulating two positions of welding torch clamping device (85) on corresponding vertical tooth rack (84).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991358.XA CN105397237A (en) | 2015-12-25 | 2015-12-25 | Automatic welding machine for transformer oil tank edge protection frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991358.XA CN105397237A (en) | 2015-12-25 | 2015-12-25 | Automatic welding machine for transformer oil tank edge protection frame |
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| CN105397237A true CN105397237A (en) | 2016-03-16 |
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| CN201510991358.XA Pending CN105397237A (en) | 2015-12-25 | 2015-12-25 | Automatic welding machine for transformer oil tank edge protection frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067783A (en) * | 2016-11-17 | 2018-05-25 | 天津奥华通航科技有限公司 | A kind of automatic welding machine |
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| CN103612051A (en) * | 2013-11-25 | 2014-03-05 | 常州先进制造技术研究所 | Weighbridge gantry welding robot system |
| CN104475918A (en) * | 2014-10-31 | 2015-04-01 | 安徽省绩溪家德钢结构有限责任公司 | Gantry-type automatic welding and gouging integrated machine for welding steel pipe rods |
| CN204747839U (en) * | 2015-06-30 | 2015-11-11 | 成都华远焊割设备有限公司 | Novel special plane is welded at non -uniform beam longmen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS52103342A (en) * | 1976-02-27 | 1977-08-30 | Nippon Steel Welding Prod Eng | Apparatus for fillet welding of frame construction |
| JPS5970477A (en) * | 1982-10-16 | 1984-04-20 | Chubu Shintou Kogyo Kk | Method of weld line follow-up in automatic welding device |
| CN101362244A (en) * | 2008-09-27 | 2009-02-11 | 沈阳哈维尔表面工程技术有限公司 | Automatic surfacing device capable of adding special alloy in visible arc |
| CN101900693A (en) * | 2009-05-25 | 2010-12-01 | 同方威视技术股份有限公司 | Rail clamping device structure |
| CN201559021U (en) * | 2009-12-04 | 2010-08-25 | 济南杰瑞复盛机电设备有限公司 | Plasma arc flat surfacing machine |
| CN201841344U (en) * | 2010-11-13 | 2011-05-25 | 锦州义兴铁塔股份有限公司 | Gas shield protection arc and submerged arc integral automatic welding machine |
| CN202701570U (en) * | 2012-06-26 | 2013-01-30 | 北京时代科技股份有限公司 | Automatic tracking device of irregular curve weld joint |
| CN103612051A (en) * | 2013-11-25 | 2014-03-05 | 常州先进制造技术研究所 | Weighbridge gantry welding robot system |
| CN104475918A (en) * | 2014-10-31 | 2015-04-01 | 安徽省绩溪家德钢结构有限责任公司 | Gantry-type automatic welding and gouging integrated machine for welding steel pipe rods |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108067783A (en) * | 2016-11-17 | 2018-05-25 | 天津奥华通航科技有限公司 | A kind of automatic welding machine |
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Application publication date: 20160316 |