CN101954531B - Saddle type welding gun lifting and luffing gear of welding device - Google Patents
Saddle type welding gun lifting and luffing gear of welding device Download PDFInfo
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- CN101954531B CN101954531B CN 201010107624 CN201010107624A CN101954531B CN 101954531 B CN101954531 B CN 101954531B CN 201010107624 CN201010107624 CN 201010107624 CN 201010107624 A CN201010107624 A CN 201010107624A CN 101954531 B CN101954531 B CN 101954531B
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- 238000003466 welding Methods 0.000 title claims abstract description 96
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
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- 238000000034 method Methods 0.000 abstract description 8
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- 230000001681 protective effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 241000233550 Hesperocyparis sargentii Species 0.000 description 1
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Abstract
The invention discloses a saddle type welding gun lifting and luffing gear of a welding device, relating to the technical field of welding gun operating devices. The saddle type welding gun lifting and luffing gear of a welding device comprises a fixing vertical arm, a connection cross arm, a connection fixing block, an upper fixed seat, a lower fixed seat, a lead screw and an arc luffing gear. The upper fixed seat and the lower fixed seat are respectively fixed at the upper end and the lower end of the fixing vertical arm, the upper fixed seat is provided with a gearing, a linear guide rail is fixedly arranged between the upper fixed seat and the lower fixed seat, the linear guide rail is provided with a sliding block capable of moving up and down along the linear guide rail, and the upper end of the lead screw is connected with the gearing. The invention has reasonable and compact structure and is convenient to use; because the saddle type welding gun lifting and luffing gear can regulate the angle of the welding gun on line in the welding process so as to make the angle and the trace of the welding gun follow a saddle-shaped intersection line control curve to realize the welding function, and an incline drag-welding operation can be further realized in the welding process of the welding gun, thereby greatly improving the work efficiency and also realizing the application of the gas protective welding technique in the saddle-shaped intersection line curve.
Description
One, technical field
The present invention relates to welding gun operating means technical field, is a kind of saddle-type welding equipment welding gun lifting and swinging device.
Two, background technology
Domestic shape of a saddle special welding machine, great majority are to use submerged-arc welding, for realizing shape of a saddle welding, control mode takes electronic type, mechanical type, electric mechanical to mix control model, the structure of its motion arm is generally comparatively simple, the CW-11 shape of a saddle bonding machine of U.S. CYPRESS welding company, the frame for movement of taking is comparatively simple, directly consisted of by three transverse arms on its X, Y, three directions of Z, welding gun can only be before welding manual adjustments, welding process can't be adjusted angle of welding gun online, and operating efficiency is low; Because frame for movement is simple, can't realize the gas shield welding technology in addition.
Three, summary of the invention
The invention provides a kind of saddle-type welding equipment welding gun lifting and swinging device, overcome the deficiency of above-mentioned prior art, it can effectively solve existing shape of a saddle bonding machine can't be adjusted angle of welding gun online in welding process problem.
Technical scheme of the present invention realizes by following measures: a kind of saddle-type welding equipment welding gun lifting and swinging device, comprise fixing perpendicular arm, connecting cross arm, connection fixing block, upper fixed seat, lower fixed seat, leading screw and arc-shaped oscillating device, top and bottom at fixing perpendicular arm are fixed with respectively upper fixed seat and lower fixed seat, at upper fixed seat transmission device is arranged, between upper fixed seat and lower fixed seat, be installed with line slideway, the slide block that can move up and down along line slideway is arranged at line slideway, upper end and the transmission device of leading screw link together, the lower end of leading screw is sleeved on the lower bottom base, at leading screw a cap is installed, transmission device can drive leading screw and rotate, right-hand member and the connecting cross arm of connection fixing block are fixed together, the middle part of connection fixing block is fixed together with the silk cap, and left end and the slide block of connection fixing block are fixed together; Lower end at fixing perpendicular arm is equipped with contiguous block, at contiguous block arc-shaped oscillating device is installed, and is installed with the first fixed block at arc-shaped oscillating device, at the first fixed block welding gun grip block and rotary handle is installed.
The below is the further optimization and/or improvements to the foregoing invention technical scheme:
Above-mentioned transmission device can comprise the first motor, the first reducing gear, driving gear and driven gear, at upper bed-plate the first motor, the first reducing gear, driving gear and driven gear are installed, the power output shaft of the first reducing gear is fixedly mounted on the driving gear, the upper end of leading screw is fixedly mounted on the driven gear, between driving gear and the driven gear cog belt is installed, the first motor drives driving gear by the first reducing gear and rotates, driving gear drives driven gear by cog belt and rotates, and driven gear drives leading screw and rotates.
Above-mentioned arc-shaped oscillating device comprises the second motor, link, gear, tooth bar and the second fixed block; The second motor, link and the second fixed block sequentially are fixed together from right-to-left, gear is installed in link, there is contiguous block in the place ahead at link, be installed with curved tooth bar at contiguous block, the gear teeth of gear and the teeth of tooth bar mesh together, at tooth bar arc chute is arranged, at the second fixed block positioner is installed, this positioner can be stuck in the chute and can move along chute, the power output shaft of the second motor and gear are fixedly installed togather and driven gear rotates and link is moved as arc along tooth bar with gear, be installed with the first fixed block at the second fixed block, at the first fixed block welding gun grip block and rotary handle be installed.
Above-mentioned positioner can comprise locating shaft and movable pulley, has the movable pulley that is no less than two to be stuck in the chute on the tooth bar and can move as arc along chute, and movable pulley is installed on the second fixed block by locating shaft; Perhaps, positioner comprises positioning sliding block, has the positioning sliding block that is no less than two to be stuck in the chute on the tooth bar and can move as arc along chute, and positioning sliding block is fixedly mounted on the fixed block.
Above-mentioned positioner can comprise three movable pulleies and triangular in shape being stuck in the chute, and perhaps, positioner comprises three positioning sliding blocks and triangular in shape being stuck in the chute.
Can be installed with the second reducing gear between above-mentioned the second motor and the link, the power intake of the outer end of the power output shaft of the second motor and the second reducing gear is fixed together, power output shaft and the gear of the second reducing gear are fixedly installed togather, and the second motor rotates by the second reducing gear driven gear.
Above-mentioned the first reducing gear and the second reducing gear all can adopt belt speed reducer structure or gear reduction or chain reducing gear.
Can be installed with the leading screw support on above-mentioned the second fixed block, at the leading screw support screwed hole is arranged, the middle part of short leading screw is installed in the screwed hole and can moves along the axis of screwed hole, end at short leading screw is installed with the first fixed block, at the first fixed block welding gun grip block and rotary handle is installed.
The lower end of above-mentioned fixing perpendicular arm can be hinged with the rotation projection of energy left-right rotation, be installed with contiguous block at the rotation projection, be installed with the jackscrew installing rack corresponding with the upper end that rotates projection at fixing perpendicular arm, at the jackscrew installing rack screwed hole is arranged, the middle part of jackscrew is installed in the screwed hole, one end of jackscrew is fixedly mounted on the rotation projection, and the other end of jackscrew is equipped with handwheel.
Reasonable and compact in structure of the present invention; easy to use; owing to it can be adjusted online angle of welding gun and makes the angle of welding gun and track realize the welding function according to shape of a saddle intersection control curve in welding process; can also realize the oblique pull weldering action of welding gun welding process; therefore not only improved and greatly improved operating efficiency, can also realize that the gas shield welding technology is in the application of shape of a saddle intersection curve.
Four, description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of most preferred embodiment of the present invention.
Accompanying drawing 2 is the structural representation of bowing of accompanying drawing 1.
Accompanying drawing 3 is the right TV structure schematic diagram of accompanying drawing 1.
Accompanying drawing 4 is the main TV structure schematic diagram of amplification of arc-shaped oscillating device of I position in the accompanying drawing 1 etc.
Accompanying drawing 5 is the structural representation of looking up of accompanying drawing 4.
Accompanying drawing 6 is that the A-A of accompanying drawing 5 is to the sectional structure schematic diagram.
Coding in the accompanying drawing is respectively: 1 is fixing perpendicular arm, and 2 is connecting cross arm, and 3 is connection fixing block, 4 is upper fixed seat, and 5 is lower fixed seat, and 6 is leading screw, 7 is line slideway, and 8 is slide block, and 9 is contiguous block, 10 is the first fixed block, and 11 is the welding gun grip block, and 12 is rotary handle, 13 is the first motor, and 14 is the first reducing gear, and 15 is driving gear, 16 is driven gear, and 17 is cog belt, and 18 is the second motor, 19 is the second reducing gear, and 20 is link, and 21 is gear, 22 is tooth bar, and 23 is the second fixed block, and 24 is chute, 25 is movable pulley, 26 is the leading screw support, and 27 are short leading screw, and 28 are the rotation projection.
Five, the specific embodiment
The present invention is not subjected to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.
The invention will be further described below in conjunction with embodiment and accompanying drawing:
Such as accompanying drawing 1,2, shown in 3, this saddle-type welding equipment welding gun lifting and swinging device comprises fixing perpendicular arm 1, connecting cross arm 2, connection fixing block 3, upper fixed seat 4, lower fixed seat 5, leading screw 6 and arc-shaped oscillating device, top and bottom at fixing perpendicular arm 1 are fixed with respectively upper fixed seat 4 and lower fixed seat 5, at upper fixed seat 4 transmission device is arranged, between upper fixed seat 4 and lower fixed seat 5, be installed with line slideway 7, the slide block 8 that can move up and down along line slideway 7 is arranged at line slideway 7, upper end and the transmission device of leading screw 6 link together, the lower end of leading screw 6 is sleeved on the lower bottom base 5, at leading screw 6 cap is installed, transmission device can drive leading screw 6 and rotate, the right-hand member of connection fixing block 3 and connecting cross arm 2 are fixed together, the middle part of connection fixing block 3 is fixed together with the silk cap, and the left end of connection fixing block 3 and slide block 8 are fixed together; Lower end at fixing perpendicular arm 1 is equipped with contiguous block 9, at contiguous block 9 arc-shaped oscillating device is installed, be installed with the first fixed block 10 at arc-shaped oscillating device, at the first fixed block 10 welding gun grip block 11 and rotary handle 12 are installed, like this, can drive welding gun grip block 11 by arc-shaped oscillating device and realize that swing and the angle of welding gun are adjustable, move left and right by connecting cross arm 2 drives the welding gun move left and right, moves up and down thereby make fixedly transverse arm 1 move up and down the drive welding gun by leading screw 6.
Can according to actual needs, above-mentioned saddle-type welding equipment welding gun lifting and swinging device be made further optimization and/or improvements:
Such as accompanying drawing 1,2, shown in 3, transmission device comprises the first motor 13, the first reducing gear 14, driving gear 15 and driven gear 16, at upper bed-plate 4 the first motor 13 is installed, the first reducing gear 14, driving gear 15 and driven gear 16, the power output shaft of the first reducing gear 14 is fixedly mounted on the driving gear 15, the upper end of leading screw 6 is fixedly mounted on the driven gear 16, between driving gear 15 and the driven gear 16 cog belt 17 is installed, the first motor 13 drives driving gear 15 by the first reducing gear 14 and rotates, driving gear 15 drives driven gear 16 by cog belt 17 and rotates, and driven gear 16 drives leading screw 6 and rotates.
Shown in accompanying drawing 4 to 6, arc-shaped oscillating device comprises the second motor 18, link 20, gear 21, tooth bar 22 and the second fixed block 23; The second motor 18, link 20 and the second fixed block 23 sequentially are fixed together from right-to-left, gear 21 is installed in link 20, in the place ahead of link 20 contiguous block 9 is arranged, be installed with curved tooth bar 22 at contiguous block 9, the teeth of the gear teeth of gear 21 and tooth bar 22 mesh together, at tooth bar 22 arc chute 24 is arranged, at the second fixed block 23 positioner is installed, this positioner can be stuck in the chute 24 and can move along chute 24, the power output shaft of the second motor 18 and gear 21 are fixedly installed togather and driven gear 21 rotates and link 20 is moved as arc along tooth bar 22 with gear 21, be installed with the first fixed block 10 at the second fixed block 23, at the first fixed block 10 welding gun grip block 11 and rotary handle 12 are installed, so just make the second motor 18 drive the second fixed block 23 and slide at the chute 24 on the tooth bar 22 under the guiding of movable pulley 25, realize swinging and the adjustable functions of angle thereby finally drive welding gun grip block 11.
Shown in accompanying drawing 4 to 6, according to actual needs, positioner comprises locating shaft and movable pulley 25, has the movable pulley 25 that is no less than two to be stuck in the chute 24 on the tooth bar 22 and can move as arc along chute 24, and movable pulley 25 is installed on the second fixed block 23 by locating shaft; Perhaps, positioner comprises positioning sliding block, there is the positioning sliding block that is no less than two to be stuck in the chute on the tooth bar and can moves as arc along chute, positioning sliding block is fixedly mounted on the fixed block, like this, movable pulley 25 or positioning sliding block can prevent that gear 21 breaks away from and the generation security incident with tooth bar 22 when rotating.
Shown in accompanying drawing 4 to 6, according to actual needs, positioner comprises three movable pulleies 25 and triangular in shape being stuck in the chute 24, and perhaps, positioner comprises three positioning sliding blocks and triangular in shape being stuck in the chute.
Shown in accompanying drawing 4 to 6, be installed with the second reducing gear 19 between the second motor 18 and the link 20, the power intake of the outer end of the power output shaft of the second motor 18 and the second reducing gear 19 is fixed together, the power output shaft of the second reducing gear 19 and gear 21 are fixedly installed togather, and the second motor 18 rotates by the second reducing gear 19 driven gears 21.
Shown in accompanying drawing 1 to 6, according to actual needs, the first reducing gear 14 and the second reducing gear 19 all adopt belt speed reducer structure or gear reduction or chain reducing gear.
Shown in accompanying drawing 4 to 6, be installed with leading screw support 26 on the second fixed block 23, at leading screw support 26 screwed hole is arranged, the middle part of short leading screw 27 is installed in the screwed hole and can moves along the axis of screwed hole, end at short leading screw 27 is installed with the first fixed block 10, at the first fixed block 10 welding gun grip block 11 and rotary handle 12 are installed, like this, can realize that by adjusting short leading screw 27 welding gun grip block 11 drives the up and down fine tuning of the spacing of welding gun and weld seam.
Shown in accompanying drawing 1 to 3, the lower end of fixing perpendicular arm 1 is hinged with the rotation projection 28 of energy left-right rotation, be installed with contiguous block 9 at rotation projection 28, be installed with the jackscrew installing rack corresponding with the upper end that rotates projection 28 at fixing perpendicular arm 1, at the jackscrew installing rack screwed hole is arranged, the middle part of jackscrew is installed in the screwed hole, one end of jackscrew is fixedly mounted on the rotation projection 28, the other end of jackscrew is equipped with handwheel, like this, can realize the angle adjustment of the angle between contiguous block 9 and the connecting cross arm 1, thereby adjust the angle of welding gun and weld seam, can realize the oblique welding of welding gun.
Above technical characterictic has consisted of most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, satisfies the demand of different situations.
The use procedure of most preferred embodiment of the present invention: at first by welding gun grip block 11 and rotary handle 12 welding gun is had good positioning, when needs were adjusted the position of welding gun in the horizontal direction, the move left and right by connecting cross arm 2 drove in the horizontal direction move left and right of welding gun; When needing in the vertical direction to adjust the position of welding gun, start the first motor 13, leading screw 6 is rotated, because connection fixing block 3 and connecting cross arm 2 fix, thereby therefore fixing perpendicular arm 1 drives contiguous block 9 in the vertical directions and moves up and down and drive the welding gun in the vertical direction and move up and down; When needs make welding gun do arc to swing, the swing by arc-shaped oscillating device welding gun is done swing and angle adjustable, when the oblique welding of needs, make 28 rotations of rotation projection by jackscrew, thus the oblique welding of realization welding gun.
Claims (10)
1. saddle-type welding equipment welding gun lifting and swinging device, it is characterized in that comprising fixing perpendicular arm, connecting cross arm, connection fixing block, upper fixed seat, lower fixed seat, leading screw and arc-shaped oscillating device, top and bottom at fixing perpendicular arm are fixed with respectively upper fixed seat and lower fixed seat, at upper fixed seat transmission device is arranged, between upper fixed seat and lower fixed seat, be installed with line slideway, the slide block that can move up and down along line slideway is arranged at line slideway, upper end and the transmission device of leading screw link together, the lower end of leading screw is sleeved on the lower bottom base, at leading screw a cap is installed, transmission device can drive leading screw and rotate, right-hand member and the connecting cross arm of connection fixing block are fixed together, the middle part of connection fixing block is fixed together with the silk cap, and left end and the slide block of connection fixing block are fixed together; Lower end at fixing perpendicular arm is equipped with contiguous block, at contiguous block arc-shaped oscillating device is installed, and is installed with the first fixed block at arc-shaped oscillating device, at the first fixed block welding gun grip block and rotary handle is installed.
2. saddle-type welding equipment welding gun lifting and swinging device according to claim 1, it is characterized in that transmission device comprises the first motor, the first reducing gear, driving gear and driven gear, at upper fixed seat the first motor is installed, the first reducing gear, driving gear and driven gear, the power output shaft of the first reducing gear is fixedly mounted on the driving gear, the upper end of leading screw is fixedly mounted on the driven gear, between driving gear and the driven gear cog belt is installed, the first motor drives driving gear by the first reducing gear and rotates, driving gear drives driven gear by cog belt and rotates, and driven gear drives leading screw and rotates.
3. saddle-type welding equipment welding gun lifting and swinging device according to claim 2 is characterized in that arc-shaped oscillating device comprises the second motor, link, gear, tooth bar and the second fixed block; The second motor, link and the second fixed block sequentially are fixed together from right-to-left, gear is installed in link, there is contiguous block in the place ahead at link, be installed with curved tooth bar at contiguous block, the gear teeth of gear and the teeth of tooth bar mesh together, at tooth bar arc chute is arranged, at the second fixed block positioner is installed, this positioner can be stuck in the chute and can move along chute, the power output shaft of the second motor and gear are fixedly installed togather and driven gear rotates and link is moved as arc along tooth bar with gear, are installed with the first fixed block at the second fixed block.
4. saddle-type welding equipment welding gun lifting and swinging device according to claim 3, it is characterized in that positioner comprises locating shaft and movable pulley, have the movable pulley that is no less than two to be stuck in the chute on the tooth bar and can move as arc along chute, movable pulley is installed on the second fixed block by locating shaft; Perhaps, positioner comprises positioning sliding block, has the positioning sliding block that is no less than two to be stuck in the chute on the tooth bar and can move as arc along chute, and positioning sliding block is fixedly mounted on the second fixed block.
5. saddle-type welding equipment welding gun lifting and swinging device according to claim 4 is characterized in that positioner comprises three movable pulleies and triangular in shape being stuck in the chute, and perhaps, positioner comprises three positioning sliding blocks and triangular in shape being stuck in the chute.
6. according to claim 3 or 4 or 5 described saddle-type welding equipment welding gun lifting and swinging devices, it is characterized in that being installed with between the second motor and the link the second reducing gear, the power intake of the outer end of the power output shaft of the second motor and the second reducing gear is fixed together, power output shaft and the gear of the second reducing gear are fixedly installed togather, and the second motor rotates by the second reducing gear driven gear.
7. saddle-type welding equipment welding gun lifting and swinging device according to claim 6 is characterized in that the first reducing gear and the second reducing gear all adopt belt speed reducer structure or gear reduction or chain reducing gear.
8. according to claim 3 or 4 or 5 described saddle-type welding equipment welding gun lifting and swinging devices, it is characterized in that being installed with on the second fixed block the leading screw support, at the leading screw support screwed hole is arranged, the middle part of lacking leading screw is installed in the screwed hole also can move along the axis of screwed hole, is installed with the first fixed block at an end of lacking leading screw.
9. saddle-type welding equipment welding gun lifting and swinging device according to claim 7, it is characterized in that being installed with on the second fixed block the leading screw support, at the leading screw support screwed hole is arranged, the middle part of lacking leading screw is installed in the screwed hole also can move along the axis of screwed hole, is installed with the first fixed block at an end of lacking leading screw.
10. saddle-type welding equipment welding gun lifting and swinging device according to claim 9, it is characterized in that the lower end of fixing perpendicular arm is hinged with the rotation projection of energy left-right rotation, be installed with contiguous block at the rotation projection, be installed with the jackscrew installing rack corresponding with the upper end that rotates projection at fixing perpendicular arm, at the jackscrew installing rack screwed hole is arranged, the middle part of jackscrew is installed in the screwed hole, and an end of jackscrew is fixedly mounted on the rotation projection, and the other end of jackscrew is equipped with handwheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010107624 CN101954531B (en) | 2010-02-09 | 2010-02-09 | Saddle type welding gun lifting and luffing gear of welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010107624 CN101954531B (en) | 2010-02-09 | 2010-02-09 | Saddle type welding gun lifting and luffing gear of welding device |
Publications (2)
| Publication Number | Publication Date |
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| CN101954531A CN101954531A (en) | 2011-01-26 |
| CN101954531B true CN101954531B (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010107624 Expired - Fee Related CN101954531B (en) | 2010-02-09 | 2010-02-09 | Saddle type welding gun lifting and luffing gear of welding device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407396B (en) * | 2011-12-08 | 2013-04-17 | 周海燕 | Manipulator for welding gun |
| CN103537833B (en) * | 2013-10-23 | 2015-11-18 | 台州吉宇工业机器人科技有限公司 | A kind of rifle head swing mechanism being applied to rectangular coordinate system welding robot |
| CN103722325B (en) * | 2013-11-28 | 2015-07-22 | 无锡华联科技集团有限公司 | Lifting mechanism for electroslag welding with wire electrodes |
| CN104905486B (en) * | 2015-06-12 | 2018-01-19 | 吴江市松陵镇铭益自动化机械设备厂 | A kind of shoemaking automatic soldering device |
| CN107020468A (en) * | 2017-05-31 | 2017-08-08 | 石河子大学 | A kind of welding control system of shape of a saddle space curve |
| CN109794706A (en) * | 2017-11-17 | 2019-05-24 | 石河子大学 | A kind of heavy type pressure container saddle shape weld seam welding robot |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU564936A1 (en) * | 1975-03-03 | 1977-07-15 | Yurkyavichyus Stanislavas Yu | Device for arc welding |
| CN2053125U (en) * | 1989-09-07 | 1990-02-21 | 冶金工业部建筑研究总院 | Automatic cutter for saddle groove |
| CN2621871Y (en) * | 2003-05-28 | 2004-06-30 | 梅塞尔切割焊接有限公司(昆山) | Automatic groove cutting appts. of double plasma welding torch |
| CN101637847A (en) * | 2009-05-27 | 2010-02-03 | 无锡华联精工机械有限公司 | Cutting torch lifting mechanism of plasma cutting machine |
| CN201720588U (en) * | 2010-02-09 | 2011-01-26 | 新疆威奥科技股份有限公司 | Welding torch lifting and swinging device of saddle-type welding equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101214616B (en) * | 2008-01-21 | 2010-08-25 | 大连通大设备技术开发有限公司 | Continuously coating welding welding-gun clamping device for bimetallic wire blank |
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2010
- 2010-02-09 CN CN 201010107624 patent/CN101954531B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU564936A1 (en) * | 1975-03-03 | 1977-07-15 | Yurkyavichyus Stanislavas Yu | Device for arc welding |
| CN2053125U (en) * | 1989-09-07 | 1990-02-21 | 冶金工业部建筑研究总院 | Automatic cutter for saddle groove |
| CN2621871Y (en) * | 2003-05-28 | 2004-06-30 | 梅塞尔切割焊接有限公司(昆山) | Automatic groove cutting appts. of double plasma welding torch |
| CN101637847A (en) * | 2009-05-27 | 2010-02-03 | 无锡华联精工机械有限公司 | Cutting torch lifting mechanism of plasma cutting machine |
| CN201720588U (en) * | 2010-02-09 | 2011-01-26 | 新疆威奥科技股份有限公司 | Welding torch lifting and swinging device of saddle-type welding equipment |
Non-Patent Citations (1)
| Title |
|---|
| JP平9-66375A 1997.03.11 |
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| CN101954531A (en) | 2011-01-26 |
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