CN104209674A - All-directional and multi-size precise steel pipe welding equipment - Google Patents
All-directional and multi-size precise steel pipe welding equipment Download PDFInfo
- Publication number
- CN104209674A CN104209674A CN201410403427.6A CN201410403427A CN104209674A CN 104209674 A CN104209674 A CN 104209674A CN 201410403427 A CN201410403427 A CN 201410403427A CN 104209674 A CN104209674 A CN 104209674A
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- China
- Prior art keywords
- welding
- welding gun
- governor motion
- fixed
- clamp
- Prior art date
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Classifications
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
- B23K37/0229—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track the guide member being situated alongside the workpiece
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
Abstract
The invention relates to all-directional and multi-size precise steel pipe welding equipment, and relates to the technical field of steel pipe welding equipment. The equipment comprises a fixed tabletop, a welding gun adjusting mechanism, a running and driving mechanism, an adjustable clamping mechanism and a welding electrode adjusting mechanism, wherein the welding gun adjusting mechanism is arranged at the right side of the fixed tabletop, the fixed tabletop at the left side of the welding gun adjusting mechanism is provided with the adjustable clamping mechanism, the running and driving mechanism is arranged under the fixed tabletop, and the left side of the adjustable clamping mechanism is provided with the welding electrode adjusting mechanism. The equipment has the advantages that the equipment can be timely adjusted according to the requirements under the condition of matching use of the welding gun adjusting mechanism, the running and driving mechanism, the adjustable clamping mechanism and the welding electrode adjusting mechanism, more precise and accurate welding of the steel pipe is guaranteed, and the convenience in operation and use is realized; the equipment is novel and reasonable in design, the convenience in use is realized, the adjusting is simple, the all-directional and multi-angle precise welding for the steel pipes with different sizes is realized, and the working efficiency is favorably improved.
Description
Technical field:
The present invention relates to steel-pipe welding equipment technical field, be specifically related to a kind of comprehensive many specifications precision tube welding equipment.
Background technology:
Machining refers to the process changed the appearance and size of workpiece or performance by a kind of plant equipment.Hot-working is common Re Chu Li ﹐ Duan Zao ﹐ casting and welding etc.Also be like this in precision optical machinery industry, especially time for the tubular parts used in precision optical machinery industry, details and the precision of particularly focusing on processing process is needed when processing, the technique of especially welding, if the technique of welding has the degradation not noting causing whole tube quality a little, therefore a welding can carrying out in time adjusting according to welding demand is all needed to rob guiding mechanism when welding, in industry most of stationary fixture is all adopt fixing welding to rob to weld pipe, but need when in use to carry out time multi-angle processing processes to pipe or need just extremely to bother when carrying out welding position adjustment and depth of weld adjustment, especially lack a complete equipment can not only carry out regulating and need to regulate steel pipe angle and welding rod position by Butt welding gun simultaneously, so just consume a large amount of time and manpower, be unfavorable for the raising of production efficiency and easily affect accuracy and the accuracy of processing.
Summary of the invention:
Technical problem to be solved by this invention be to provide a kind of novel in structural design reasonable, easy to use, regulate simple, the steel pipe that can realize plurality of specifications carries out comprehensive many specifications precision tube welding equipment of the precision welding of all-dimensional multi-angle.
Technical problem to be solved by this invention adopts following technical scheme to realize:
A kind of comprehensive many specifications precision tube welding equipment, comprise fixed mesa, welding gun governor motion, running driving mechanism, adjustable holding mechanism and welding rod governor motion, described welding gun governor motion is mounted on the right edge of fixed mesa, the fixed mesa that the orientation, left side of welding gun governor motion is set up is provided with adjustable holding mechanism, install in the below of fixed mesa and be provided with running driving mechanism, in the left side of adjustable holding mechanism, welding rod governor motion is installed, described welding gun governor motion is by welding gun, gangbar and pull bar composition, one end of described gangbar is movably connected in one end of pull bar, the other end of gangbar is movably connected on welding gun by swivel plate, described welding-torch horizontal is fixed on welding gun fixed leg, gangbar and pull bar are all fixed on the top of welding gun, the centre position of pull bar is movably fixed on welding gun fixed bar by rotating shaft, only need when needs Butt welding gun carries out position adjustments like this to promote pull bar, then pull bar will drive gangbar to impel welding gun to move forward and backward, reach the demand regulating welding torch position,
Described running driving mechanism is by comprising vertical truss, packaged type hanger rail and servomotor composition, described vertical truss is the disposable punch forming of band steel, there is good hardness and shock resistance, the L-shaped structure of vertical truss, square slip pipe is set with in the bottom of vertical truss, the side frame of vertical truss is horizontally installed with packaged type hanger rail, described packaged type hanger rail be inserted through vertical truss side frame and by the fixed frame be arranged on vertical truss frame carry out balance fix, described servomotor vertically stands upside down and is arranged in square slip pipe, the upper end of servomotor and the front end of servomotor are fixedly mounted on packaged type hanger rail, such servomotor is just by the below being fixed on fixed mesa tightly, servomotor can not be made when work, vibrations to occur and affect work,
Described adjustable holding mechanism is by rotating cabinet and fixing filler ring forms, described fixing filler ring is fixedly mounted on by the rotating shaft rotating cabinet inside and rotates directly over cabinet, the bottom rotating cabinet is provided with travelling gear, described travelling gear is connected with the servomotor on running driving mechanism, relying on servomotor to carry out driving drives rotating shaft to rotate, described fixing filler ring is semicircular structure, fixing filler ring is also installed and is provided with two adjustable fixing ears, described adjustable fixing ear is arranged on the inner side edge of fixing filler ring by set screw, two adjustable fixing ears are symmetrical about the rotating shaft rotating cabinet inside, adjustable fixing ear is embeddedly be movably arranged on fixing filler ring, the length of its single adjustable fixing ear is 1/3 of whole fixing filler ring length, the thickness of adjustable fixing ear is 1/2 of fixing filler ring lowest position thickness, can ensure that adjustable fixing ear can coincide with fixing filler ring mutually when being embedded into fixing filler ring and being inner like this, reach best regulating effect, when two adjustable fixing ears are all in maximal regulated limit positions, inside its inner ring place cambered surface and fixing filler ring, place cambered surface is in a benchmark cambered surface, the length of described set screw is 1/2 of fixing filler ring radius, can ensure that the maximum collapse limit of adjustable fixing ear is 1/2 of whole fixing filler ring radius like this, therefore by the adjustment of set screw and adjustable fixing ear with coordinate and can be fixed the pipe of all size, and convenient adjustment, rotating shaft on described rotation cabinet can adjust the angle and direction of fixing filler ring as required and fix, so just can realize the comprehensive running of whole fixture, facilitate comprehensive operation,
Described welding rod governor motion is by comprising column, clamp and discard electrode composition, described clamp is arranged on column, a side of clamp is provided with two screws, two screws are respectively from both sides toward installing middle interting, the degree of tightness that can adjust clamp by this screw therefore this screw can play the effect of the adjustment position of clamp on column, discard electrode is vertically installed with in the front end of clamp, between discard electrode and clamp, also slide plate is installed, slide plate is connected on clamp by screw and chute, the adjustment of slide plate development length can be carried out as required, between discard electrode and slide plate, also bearing is installed, described discard electrode can carry out the adjustment of discard electrode angle around nose by bearing.
The present invention is when using and working, by welding gun governor motion, running driving mechanism, adjustable holding mechanism and welding rod governor motion jointly with the use of when when steel pipe be fixed filler ring clamp time, regulate the position of welding gun and discard electrode can be welded to steel pipe accurately, and can regulate timely as required, and fixing filler ring itself also oneself can rotate and adapt to omnibearing angle, so just can ensure that the welding of steel pipe can be more accurately meticulous, handled easily and use.
The invention has the beneficial effects as follows: novel in structural design is reasonable, easy to use, adjustment is simple, and the steel pipe that can realize plurality of specifications carries out the precision welding of all-dimensional multi-angle, is of value to and increases work efficiency.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Wherein: 1-fixed mesa; 2-fixes filler ring; 3-discard electrode; 4-welding gun; 5-servomotor; The vertical truss of 6-; 7-packaged type hanger rail; 8-column; 9-clamp; 10-rotates cabinet; 11-pull bar; 12-gangbar; 13-welding gun fixed bar.
Detailed description of the invention:
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
As shown in Figure 1, a kind of comprehensive many specifications precision tube welding equipment, comprise fixed mesa 1, welding gun governor motion, running driving mechanism, adjustable holding mechanism and welding rod governor motion, described welding gun governor motion is mounted on the right edge of fixed mesa 1, the fixed mesa 1 that the orientation, left side of welding gun governor motion is set up is provided with adjustable holding mechanism, install in the below of fixed mesa 1 and be provided with running driving mechanism, in the left side of adjustable holding mechanism, welding rod governor motion is installed, described welding gun governor motion is by welding gun 4, gangbar 12 and pull bar 11 form, one end of described gangbar 12 is movably connected in one end of pull bar 11, the other end of gangbar 12 is movably connected on welding gun 4 by swivel plate, described welding gun 4 is horizontally fixed on welding gun fixed leg 13, gangbar 12 and pull bar 11 are all fixed on the top of welding gun 4, the centre position of pull bar 11 is movably fixed on welding gun fixed bar 13 by rotating shaft, only need when needs Butt welding gun 4 carries out position adjustments like this to promote pull bar 11, then pull bar 11 will drive gangbar 12 to impel welding gun 4 to move forward and backward, reach the demand regulating welding gun 4 position,
Described running driving mechanism is by comprising vertical truss 6, packaged type hanger rail 7 and servomotor 5 form, described vertical truss 6 is the disposable punch forming of band steel, there is good hardness and shock resistance, the L-shaped structure of vertical truss 6, square slip pipe is set with in the bottom of vertical truss 6, the side frame of vertical truss 6 is horizontally installed with packaged type hanger rail 7, described packaged type hanger rail 7 be inserted through vertical truss 6 side frame and by the fixed frame be arranged on vertical truss 6 frame carry out balance fix, described servomotor 5 vertically stands upside down and is arranged in square slip pipe, the upper end of servomotor 5 and the front end of servomotor 5 are fixedly mounted on packaged type hanger rail 7, such servomotor 5 is just by the below being fixed on fixed mesa 1 tightly, servomotor 5 can not be made when work, vibrations to occur and affect work,
Described adjustable holding mechanism is by rotating cabinet 10 and fixing filler ring 2 forms, described fixing filler ring 2 is fixedly mounted on by the rotating shaft rotating cabinet 10 inside and rotates directly over cabinet 10, the bottom rotating cabinet 10 is provided with travelling gear, described travelling gear is connected with the servomotor 5 on running driving mechanism, relying on servomotor 5 to carry out driving drives rotating shaft to rotate, described fixing filler ring 2 is semicircular structure, fixing filler ring 2 is also installed and is provided with two adjustable fixing ears, described adjustable fixing ear is arranged on the inner side edge of fixing filler ring 2 by set screw, two adjustable fixing ears are symmetrical about the rotating shaft rotating cabinet 10 inside, adjustable fixing ear is embeddedly be movably arranged on fixing filler ring 2, the length of its single adjustable fixing ear is 1/3 of whole fixing filler ring 2 length, the thickness of adjustable fixing ear is 1/2 of fixing filler ring 2 lowest position thickness, can ensure that adjustable fixing ear can coincide with fixing filler ring 2 mutually when being embedded into fixing filler ring 2 and being inner like this, reach best regulating effect, when two adjustable fixing ears are all in maximal regulated limit positions, inside its inner ring place cambered surface and fixing filler ring 2, place cambered surface is in a benchmark cambered surface, the length of described set screw is 1/2 of fixing filler ring 2 radius, can ensure that the maximum collapse limit of adjustable fixing ear is 1/2 of whole fixing filler ring 2 radius like this, therefore by the adjustment of set screw and adjustable fixing ear with coordinate and can be fixed the pipe of all size, and convenient adjustment, rotating shaft on described rotation cabinet 10 can adjust the angle and direction of fixing filler ring 2 and fix as required, so just can realize the comprehensive running of whole fixture, facilitate comprehensive operation,
Described welding rod governor motion is by comprising column 8, clamp 9 and discard electrode 3 form, described clamp 9 is arranged on column 8, a side of clamp 9 is provided with two screws, two screws are respectively from both sides toward installing middle interting, the degree of tightness that can adjust clamp 9 by this screw therefore this screw can play the effect of the adjustment position of clamp 9 on column 8, discard electrode 3 is vertically installed with in the front end of clamp 9, between discard electrode 3 and clamp 9, also slide plate is installed, slide plate is connected on clamp 9 by screw and chute, the adjustment of slide plate development length can be carried out as required, between discard electrode 3 and slide plate, also bearing is installed, described discard electrode 3 can carry out the adjustment of discard electrode 3 angle around nose by bearing.
The present invention is when using and working, by welding gun governor motion, running driving mechanism, adjustable holding mechanism and welding rod governor motion jointly with the use of when when steel pipe be fixed filler ring 2 clamp time, regulate the position of welding gun 4 and discard electrode 3 can be welded to steel pipe accurately, and can regulate timely as required, and fixing filler ring itself also oneself can rotate and adapt to omnibearing angle, so just can ensure that the welding of steel pipe can be more accurately meticulous, handled easily and use.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. comprehensive many specifications precision tube welding equipment, comprise fixed mesa, welding gun governor motion, running driving mechanism, adjustable holding mechanism and welding rod governor motion, described welding gun governor motion is mounted on the right edge of fixed mesa, the fixed mesa that the orientation, left side of welding gun governor motion is set up is provided with adjustable holding mechanism, install in the below of fixed mesa and be provided with running driving mechanism, in the left side of adjustable holding mechanism, welding rod governor motion is installed, it is characterized in that: described welding gun governor motion is by welding gun, gangbar and pull bar composition, one end of described gangbar is movably connected in one end of pull bar, the other end of gangbar is movably connected on welding gun by swivel plate, described welding-torch horizontal is fixed on welding gun fixed leg, the centre position of described pull bar is movably fixed on welding gun fixed bar by rotating shaft, described running driving mechanism is by comprising vertical truss, packaged type hanger rail and servomotor composition, in described, vertical truss is the disposable punch forming of band steel, L-shaped structure, the side frame of vertical truss is horizontally installed with packaged type hanger rail, described packaged type hanger rail be inserted through vertical truss side frame and by the fixed frame be arranged on vertical truss frame carry out balance fix, described adjustable holding mechanism is by rotating cabinet and fixing filler ring forms, described fixing filler ring is fixedly mounted on by the rotating shaft rotating cabinet inside and rotates directly over cabinet, fixing filler ring is semicircular structure, fixing filler ring is also installed and is provided with two adjustable fixing ears, described welding rod governor motion is by comprising column, clamp and discard electrode composition, described clamp is arranged on column, a side of clamp is provided with two screws, discard electrode is vertically installed with in the front end of clamp, between discard electrode and clamp, also slide plate is installed, between discard electrode and slide plate, also bearing is installed.
2. one according to claim 1 comprehensive many specifications precision tube welding equipment, is characterized in that: the gangbar in described welding gun governor motion and pull bar are all fixed on the top of welding gun.
3. one according to claim 1 comprehensive many specifications precision tube welding equipment, it is characterized in that: the bottom of the vertical truss in described running driving mechanism is set with square slip pipe, described servomotor vertically stands upside down and is arranged in square slip pipe, and the upper end of servomotor and the front end of servomotor are fixedly mounted on packaged type hanger rail.
4. one according to claim 1 comprehensive many specifications precision tube welding equipment, it is characterized in that: the bottom of the rotation cabinet in described adjustable holding mechanism is provided with travelling gear, described travelling gear is connected with the servomotor on running driving mechanism, described adjustable fixing ear is arranged on the inner side edge of fixing filler ring by set screw, the thickness of adjustable fixing ear is 1/2 of fixing filler ring lowest position thickness.
5. one according to claim 1 comprehensive many specifications precision tube welding equipment, it is characterized in that: two screws in described welding rod governor motion on clamp are respectively from both sides toward installing middle interting, and described slide plate is connected on clamp by screw and chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410403427.6A CN104209674A (en) | 2014-08-15 | 2014-08-15 | All-directional and multi-size precise steel pipe welding equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410403427.6A CN104209674A (en) | 2014-08-15 | 2014-08-15 | All-directional and multi-size precise steel pipe welding equipment |
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| CN104209674A true CN104209674A (en) | 2014-12-17 |
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| CN201410403427.6A Pending CN104209674A (en) | 2014-08-15 | 2014-08-15 | All-directional and multi-size precise steel pipe welding equipment |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942497A (en) * | 2015-07-01 | 2015-09-30 | 湘潭大学 | Large barrel all-position efficient welding method and welding device thereof |
| CN104972254A (en) * | 2015-07-15 | 2015-10-14 | 安徽机电职业技术学院 | Welding fixing device for shaft part and intermittent gear of automobile |
| CN107378365A (en) * | 2017-06-08 | 2017-11-24 | 合肥职业技术学院 | A kind of automobile pipeline fixed-position welding device and its technique |
| CN108274168A (en) * | 2017-12-11 | 2018-07-13 | 安徽宝辰机电设备科技有限公司 | A kind of guiding movement formula welding gun holding device |
| CN108311839A (en) * | 2017-12-11 | 2018-07-24 | 安徽宝辰机电设备科技有限公司 | A kind of welding tooling suitable for gas shield welding |
| CN109014716A (en) * | 2018-08-13 | 2018-12-18 | 安徽鼎恒再制造产业技术研究院有限公司 | A kind of workpiece reparation separated moveable clamping welding equipment |
| CN109175740A (en) * | 2018-09-28 | 2019-01-11 | 东莞润如智能科技有限公司 | A kind of economical diphase stainless steel manufacturing device |
| CN110421282A (en) * | 2019-07-04 | 2019-11-08 | 嵊州市荣飞纺织机械有限公司 | Welder is used in a kind of production of Hardware fitting |
| CN112171130A (en) * | 2020-09-10 | 2021-01-05 | 湖北鸿榕天达科技有限公司 | Welding device for improving quality of antirust aluminum alloy welded joint |
| CN112621086A (en) * | 2020-12-08 | 2021-04-09 | 湖南鸿云钢模科技有限公司 | Adjustable clamp structure for welding steel pipes for steel structure building |
| CN112743275A (en) * | 2020-09-03 | 2021-05-04 | 抚州市华诚电气有限公司 | Transformer header welding auxiliary device |
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| KR100858894B1 (en) * | 2007-03-09 | 2008-09-17 | 한국주철관공업(주) | Do movable type automatic welding device for spiral steel pipe |
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| CN203712120U (en) * | 2014-02-08 | 2014-07-16 | 株洲开元自动焊接装备有限公司 | Automatic annular welding machine for vehicle boosting bogie tubular column |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942497A (en) * | 2015-07-01 | 2015-09-30 | 湘潭大学 | Large barrel all-position efficient welding method and welding device thereof |
| CN104942497B (en) * | 2015-07-01 | 2016-11-30 | 湘潭大学 | The all positon high-efficiency welding method of a kind of large-size cylinder body and welder thereof |
| CN104972254A (en) * | 2015-07-15 | 2015-10-14 | 安徽机电职业技术学院 | Welding fixing device for shaft part and intermittent gear of automobile |
| CN107378365A (en) * | 2017-06-08 | 2017-11-24 | 合肥职业技术学院 | A kind of automobile pipeline fixed-position welding device and its technique |
| CN108274168A (en) * | 2017-12-11 | 2018-07-13 | 安徽宝辰机电设备科技有限公司 | A kind of guiding movement formula welding gun holding device |
| CN108311839A (en) * | 2017-12-11 | 2018-07-24 | 安徽宝辰机电设备科技有限公司 | A kind of welding tooling suitable for gas shield welding |
| CN109014716A (en) * | 2018-08-13 | 2018-12-18 | 安徽鼎恒再制造产业技术研究院有限公司 | A kind of workpiece reparation separated moveable clamping welding equipment |
| CN109175740A (en) * | 2018-09-28 | 2019-01-11 | 东莞润如智能科技有限公司 | A kind of economical diphase stainless steel manufacturing device |
| CN109175740B (en) * | 2018-09-28 | 2021-03-09 | 南通豪洋精密机械有限公司 | Economical duplex stainless steel manufacturing device |
| CN110421282A (en) * | 2019-07-04 | 2019-11-08 | 嵊州市荣飞纺织机械有限公司 | Welder is used in a kind of production of Hardware fitting |
| CN110421282B (en) * | 2019-07-04 | 2021-07-23 | 嵊州市非标链轮有限公司 | Welding device for hardware fitting production |
| CN112743275A (en) * | 2020-09-03 | 2021-05-04 | 抚州市华诚电气有限公司 | Transformer header welding auxiliary device |
| CN112171130A (en) * | 2020-09-10 | 2021-01-05 | 湖北鸿榕天达科技有限公司 | Welding device for improving quality of antirust aluminum alloy welded joint |
| CN112171130B (en) * | 2020-09-10 | 2022-05-31 | 湖北鸿榕天达科技有限公司 | Welding device for improving quality of antirust aluminum alloy welded joint |
| CN112621086A (en) * | 2020-12-08 | 2021-04-09 | 湖南鸿云钢模科技有限公司 | Adjustable clamp structure for welding steel pipes for steel structure building |
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Application publication date: 20141217 |