CN104607859A - Tool beneficial for large circular pipe welding and welding deformation control and implementation method of tool - Google Patents
Tool beneficial for large circular pipe welding and welding deformation control and implementation method of tool Download PDFInfo
- Publication number
- CN104607859A CN104607859A CN201410764995.9A CN201410764995A CN104607859A CN 104607859 A CN104607859 A CN 104607859A CN 201410764995 A CN201410764995 A CN 201410764995A CN 104607859 A CN104607859 A CN 104607859A
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- CN
- China
- Prior art keywords
- pipe
- sleeve
- welding
- centre frame
- circular tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B23K37/04—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
- B23K37/0538—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 for rotating tubes, e.g. rollers
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/003—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to controlling of welding distortion
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides a tool beneficial for large circular pipe welding and welding deformation control and an implementation method of the tool. The problem that in the prior art, due to the fact that the one-time percent of pass of circular pipes is low after the butt joint connection is conducted and multiple times of correction need to be conducted generally, adverse effects on the production quality and the construction period are caused is solved. The tool comprises a working table, a first sleeve, a second sleeve and a duplex central frame, wherein the first sleeve and the second sleeve are installed on the two sides of the working table respectively, the duplex central frame is arranged in the middle of the working table, the first sleeve, the second sleeve and the duplex central frame share the same center line, bearings are arranged in the first sleeve and the duplex central frame respectively, a circular pipe fixing device is arranged in the second sleeve, a motor is linked with the circular pipe fixing device through a transmission device, and the duplex central frame is of a structure with an opening in the middle. By means of the tool beneficial for large circular pipe welding and welding deformation control, the welding efficiency and quality of the circular pipe butt joint connection can be improved, the control over the welding deformation is achieved after welding is conducted, and the straightness of the circular pipes which are connected in a butt joint mode is ensured.
Description
Technical field
The present invention relates to manufacture of steel structure field, in particular to a kind of frock and its implementation of being convenient to the welding of large-scale pipe and weld industry.
Background technology
Now, the use of pipe in steel building gets more and more, and especially large-scale lattice column is especially because the reasons such as stock utilization is high, structural stability good, good looking appearance are applied in all kinds of building more and more widely.But, along with the development of building trade, require all more and more higher for the length of pipe in a certain component and linearity, and raw material significantly can not improve length when dispatching from the factory, therefore all need to dock pipe in a lot of occasion, to obtain required length, this just proposes higher requirement to the joint quality of pipe, one is to have good welding procedure, ensures outward appearance, the intensity of butt weld; Two is must ensure that the pipe docked can not produce moderate finite deformation at postwelding, can meet the requirement of linearity.And these 2 large for difficulty processing and fabricating personnel in practical operation, efficiency is low, pipe first-time qualification rate after docking is low, usual needs are repeatedly corrected, and technological requirement difficulty is large, efficiency is low, and these all can bring adverse effect to the quality of actual production and duration.
Summary of the invention
The object of the present invention is to provide a kind of frock and its implementation of being convenient to the welding of large-scale pipe and weld industry, low with the pipe first-time qualification rate improved in prior art after docking, usual needs are repeatedly corrected, and the quality of production and duration are caused to the problem of adverse effect.
To achieve these goals, the technical solution used in the present invention is as follows:
Be convenient to the frock of the welding of large-scale pipe and weld industry, comprise workbench, also comprise the first sleeve, duplex centre frame, the second sleeve and motor, described first sleeve and the second sleeve are installed on workbench both sides respectively, described duplex centre frame is installed in the middle of workbench, the first sleeve, the second sleeve and the concentricity line of duplex centre frame;
Be provided with in order to fixing pipe and the bearing that can rotate around pipe center line in described first sleeve and duplex centre frame; Be provided with in described second sleeve in order to fixing pipe and the Circular tube fixer that can rotate around pipe center line, described motor is linked by transmission device and Circular tube fixer, the concentricity line of FX in the bearing FX in described first sleeve, the bearing FX in duplex centre frame and Circular tube fixer; Described duplex centre frame is intermediate openings structure.
As preferably, described Circular tube fixer is screw thread clamping chuck; Described transmission device is belt pulley, and described motor clamps chuck linking by this belt pulley and screw thread.
Consider actual conditions, the described bearing be arranged in duplex centre frame is at least two, is separately positioned in duplex centre frame near the first sleeve side and the interior close Circular tube fixer side of duplex centre frame.
On the basis of said apparatus, the invention discloses a kind of implementation method being convenient to the frock of the welding of large-scale pipe and weld industry, comprise the following steps:
One end of arbitrary pipe in be welded two pipes is fixed in the bearing of the first sleeve, the other end is fixed in the bearing of duplex centre frame side adjacent with the first sleeve; One end of another pipe to be welded is fixed in Circular tube fixer, the other end is fixed in the bearing of duplex centre frame side adjacent with Circular tube fixer, two pipe joints are clamped and guarantees that place to be welded is positioned at duplex centre frame aperture position;
Starter motor, driven by motor Circular tube fixer rotates, and Circular tube fixer drives fixing pipe within it to rotate;
By the spot welding of two pipe joints, the pipe be fixed in Circular tube fixer is made to drive the pipe be fixed in the first sleeve to rotate;
Operator at duplex centre frame opening part to the welding of two pipe joints, until complete the whole welding to two pipe joints.
In order to ensure welding quality, described motor is uniform rotation, and its linear velocity driving pipe to rotate equals the speed of welding of operator to pipe joint.
In order to improve the linearity of the rear pipe of welding further, after completing the whole welding to two pipe joints, continue motor to be set as duty, until weld cooling.
The technique effect that the present invention realizes:
In the present invention, in the first sleeve and duplex centre frame, all adopt bearing to be fixed pipe, adopt bearing to fix and effectively can reduce coefficient of friction in power transmission process and retainer shaft center, thus improve reliability and the accuracy of welding; Pipe is fixed by Circular tube fixer in second sleeve, driven by motor Circular tube fixer is adopted to rotate, both sides sleeve and duplex centre frame two sections of pipes fixing be on same axis all the time, during enforcement, after to be welded two sections of pipe clampings, being rotated by electrical power to drive side pipe to rotate, operator can realize the rotation of two sections of pipes after only two sections of pipe joint spot welding need being connected, welding process can complete without the need to stirring pipe by hand, effectively can guarantee the welding quality of butt weld.
In the present invention, motor uniform rotation, when pipe linear velocity equals butt weld speed of welding, whole piece weld seam welding position is downhand welding, after welding terminates, because two sections of splicing pipes are on same axis all the time, even if create larger stress when welding, because the pressure of duplex centre frame is fixed, make whole section of pipe not easily produce distortion, effectively ensure that the linearity of postwelding pipe.
In the present invention, after welding completes, still continuation of regulating the speed rotates pipe and cools to weld seam, because now weld seam temperature is still higher, pipe continues rotation and is equivalent to carry out hot rolling and straightening to pipe, issuable welding deformation when forcing fixing can be eliminated, reduce weld seam internal stress, improve the linearity of postwelding pipe further.
Structure of the present invention is simple, enforcement is convenient, effectively can control welding deformation, guarantee the linearity docking rear pipe, and improve welding efficiency, realistic demand, has outstanding substantive distinguishing features and marked improvement, is applicable to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the side view of duplex centre frame in the embodiment of the present invention;
Fig. 3 is the A-A face schematic diagram of Fig. 2.
In above-mentioned accompanying drawing, the name that accompanying drawing mark is corresponding is called:
1-workbench, 2-first sleeve, 3-duplex centre frame, 4-second sleeve, 5-pipe, 6-motor.
Detailed description of the invention
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Embodiment
As shown in Figure 1, the embodiment of the invention discloses a kind of frock being convenient to the welding of large-scale pipe and weld industry, mainly comprise:
Workbench 1, preferably adopts horizontal table, in order to each parts of mounting tool, ensures frock working face;
First sleeve 2, is installed on workbench 1 side, and be provided with in it in order to fixing pipe 5 and the bearing that can rotate around pipe 5 center line, it completes fixing the heart two pipes 5 to be docked jointly with duplex centre frame 3, second sleeve 4;
Duplex centre frame 3, be installed in the middle of workbench 1, between the first sleeve 2 and the second sleeve 4, be provided with in it in order to fixing pipe 5 and the bearing that can rotate around pipe 5 center line, it completes fixing the heart two pipes 5 to be docked jointly with the first sleeve 2, second sleeve 4, and for the ease of welding, duplex centre frame 3 is intermediate openings structure, the weld of fixing rear two pipes 5 is positioned at this opening part, so that welding;
Second sleeve 4, be installed on opposite side on the workbench 1 relative with the first sleeve 2, with the first sleeve 2 and the concentricity line of duplex centre frame 3, be provided with in it in order to fixing pipe 5 and the Circular tube fixer that can rotate around pipe 5 center line, bearing FX in FX in Circular tube fixer and the first sleeve, the concentricity line of bearing FX in duplex centre frame, to guarantee when two pipes 5 docked weld for fix the heart;
Motor 6, is connected with Circular tube fixer by transmission device, provides power thus drives pipe 5 to rotate, as preferably, adopt stepless speed-change motor, to meet different rotating speeds demand for Circular tube fixer.
In the embodiment of the present invention, Circular tube fixer has multiple choices, as long as have the card-tight part of clamping pipe 5, and can rotate around pipe 5 center line, such as: screw thread clamping chuck; Transmission device has multiple choices, such as: belt pulley, rotor etc., only by corresponding transmission device, motor 6 and Circular tube fixer need be linked, because the Circular tube fixer and transmission device that can realize required function in the embodiment of the present invention is more, thus this do not do more speak more bright.
Consider actual conditions, the bearing be arranged in duplex centre frame 3 is at least two, be separately positioned in duplex centre frame 3 near the first sleeve 2 side and the interior close Circular tube fixer side of duplex centre frame 3, when the bearing in duplex centre frame 3 is two, duplex centre frame 3 adopts a bearing and the collaborative fixing wherein pipe 5 to be welded of the first sleeve 2, adopt another bearing and Circular tube fixer to work in coordination with fixing another root pipe 5 to be welded, and guarantee that two pipes are fixed the heart.
As shown in Figure 2 and Figure 3, present embodiment discloses in a kind of duplex centre frame 3 structural representation when six bearings are set, namely duplex centre frame 3 adopts three bearings and the collaborative fixing wherein pipe 5 to be welded of the first sleeve 2, other three bearings and Circular tube fixer is adopted to work in coordination with fixing another root pipe 5 to be welded, and guarantee that two pipes, 5 pairs of hearts are fixed, in order to ensure fixing reliability, in duplex centre frame 3, three bearings of the same side are equally spaced.Except the structure enumerated in the present embodiment, quantity and the distribution mode of duplex centre frame 3 inner bearing have multiple, as long as can realize the fixing of two pipes 5 to be welded and can rotate around pipe 5 center line.
It should be noted that, in order to improve the range of application of the embodiment of the present invention, the present invention is made to be applicable to the welding of different-diameter pipe 5, bearing on first sleeve 2 and duplex centre frame 3 all can be set to detachable connection, by installing the bearing varied in size, the card interface changing screw thread clamping chuck, making it matches with pipe 5 bore to be welded can realize welding different-diameter pipe 5.
The above-mentioned implementation method of frock being convenient to the welding of large-scale pipe and weld industry is as follows:
One end of arbitrary pipe 5 in be welded two pipes 5 is fixed in the bearing of the first sleeve 2, the other end is fixed in the bearing of duplex centre frame 3 and the first adjacent side of sleeve 2; Be fixed in Circular tube fixer by one end of another pipe 5 to be welded, the other end is fixed in the bearing of duplex centre frame 3 side adjacent with Circular tube fixer, two pipe 5 joints clamp and guarantee that place to be welded is positioned at duplex centre frame 3 aperture position by operator; Starter motor 6, motor 6 drives Circular tube fixer to rotate, and Circular tube fixer drives fixing pipe 5 within it to rotate; By the spot welding of two pipe 5 joints, the pipe 5 be fixed in Circular tube fixer drives the pipe 5 be fixed in the first sleeve 2 to rotate; After operator adjusts motor 6 rotating speed by self operating habit, at duplex centre frame 3 opening part to the welding of two pipe 5 joints, until complete the whole welding to two pipe 5 joints.
Preferably motor 6 is set as uniform rotation, thus makes pipe 5 also uniform rotation; By motor 6 speed setting be preferably: its linear velocity driving pipe 5 to rotate equals the speed of welding of operator to pipe 5 joint, after welding like this, whole piece weld seam welding position is downhand welding, the welding quality of easy guarantee butt weld, after welding terminates, because two sections of splicing pipes 5 are on same axis all the time, even if create larger stress when welding, but distortion can not be produced because the pressure of duplex centre frame 3 is fixing.
In order to prevent deforming in weld seam cooling procedure, after completing the whole welding to two pipe 5 joints, motor 6 is set as duty by preferred continuation, until weld cooling, operation like this is because weld seam temperature is still higher when having welded, and continues rotation and is equivalent to carry out hot rolling and straightening to pipe 5, can eliminate issuable welding deformation when forcing fixing, reduce weld seam internal stress, improve the linearity of postwelding pipe 5 further.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. be convenient to the frock of the welding of large-scale pipe and weld industry, comprise workbench, it is characterized in that, also comprise the first sleeve, duplex centre frame, the second sleeve and motor, described first sleeve and the second sleeve are installed on workbench both sides respectively, described duplex centre frame is installed in the middle of workbench, the first sleeve, the second sleeve and the concentricity line of duplex centre frame;
Be provided with in order to fixing pipe and the bearing that can rotate around pipe center line in described first sleeve and duplex centre frame; Be provided with in described second sleeve in order to fixing pipe and the Circular tube fixer that can rotate around pipe center line, described motor is linked by transmission device and Circular tube fixer, the concentricity line of FX in the bearing FX in described first sleeve, the bearing FX in duplex centre frame and Circular tube fixer; Described duplex centre frame is intermediate openings structure.
2. the frock being convenient to the welding of large-scale pipe and weld industry according to claim 1, is characterized in that, described Circular tube fixer is screw thread clamping chuck.
3. the frock being convenient to the welding of large-scale pipe and weld industry according to claim 2, it is characterized in that, described transmission device is belt pulley, and described motor clamps chuck linking by this belt pulley and screw thread.
4. the frock being convenient to the welding of large-scale pipe and weld industry according to claim 3, it is characterized in that, the described bearing be arranged in duplex centre frame is at least two, is separately positioned in duplex centre frame near the first sleeve side and the interior close Circular tube fixer side of duplex centre frame.
5. the implementation method being convenient to the frock of the welding of large-scale pipe and weld industry described in Claims 1 to 4 any one, is characterized in that, comprise the following steps:
One end of arbitrary pipe in be welded two pipes is fixed in the bearing of the first sleeve, the other end is fixed in the bearing of duplex centre frame side adjacent with the first sleeve; One end of another pipe to be welded is fixed in Circular tube fixer, the other end is fixed in the bearing of duplex centre frame side adjacent with Circular tube fixer, two pipe joints are clamped and guarantees that place to be welded is positioned at duplex centre frame aperture position;
Starter motor, driven by motor Circular tube fixer rotates, and Circular tube fixer drives fixing pipe within it to rotate;
By the spot welding of two pipe joints, the pipe be fixed in Circular tube fixer is made to drive the pipe be fixed in the first sleeve to rotate;
Operator at duplex centre frame opening part to the welding of two pipe joints, until complete the whole welding to two pipe joints.
6. the implementation method being convenient to the frock of the welding of large-scale pipe and weld industry according to claim 5, it is characterized in that, described motor is uniform rotation, and its linear velocity driving pipe to rotate equals the speed of welding of operator to pipe joint.
7. the implementation method being convenient to the frock of the welding of large-scale pipe and weld industry according to claim 5, is characterized in that, after completing the whole welding to two pipe joints, continue motor to be set as duty, until weld cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410764995.9A CN104607859B (en) | 2014-12-11 | 2014-12-11 | It is easy to Large circular sealing of tube and the frock of weld industry and its implementation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410764995.9A CN104607859B (en) | 2014-12-11 | 2014-12-11 | It is easy to Large circular sealing of tube and the frock of weld industry and its implementation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104607859A true CN104607859A (en) | 2015-05-13 |
| CN104607859B CN104607859B (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410764995.9A Expired - Fee Related CN104607859B (en) | 2014-12-11 | 2014-12-11 | It is easy to Large circular sealing of tube and the frock of weld industry and its implementation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104607859B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414701A (en) * | 2015-12-03 | 2016-03-23 | 无锡市晨源建筑器材有限公司 | Steel pipe welding equipment |
| CN105522251A (en) * | 2016-01-07 | 2016-04-27 | 上海宝冶工程技术有限公司 | Automatic butt welding device for steel tube |
| CN106392403A (en) * | 2016-11-22 | 2017-02-15 | 郑州游爱网络技术有限公司 | Semi-automatic pipe joint welding equipment |
| CN106425265A (en) * | 2016-10-20 | 2017-02-22 | 成都久欣时代科技有限公司 | Spray pipe welding fixture |
| CN107199414A (en) * | 2017-07-26 | 2017-09-26 | 佛山市毅力机械制造有限公司 | Intelligent pipeline welding equipment |
| WO2018076399A1 (en) * | 2016-10-28 | 2018-05-03 | 南通宝田包装科技有限公司 | Joining and welding mechanism for pipe making machines |
| CN111906483A (en) * | 2020-06-29 | 2020-11-10 | 芜湖辉悦机械设计有限公司 | Welding and clamping pressing process for butt-joint connecting section bar |
| CN115008090A (en) * | 2022-04-22 | 2022-09-06 | 安徽圣方机械制造有限公司 | Welding device for producing gas drainage pipe and machining process thereof |
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| KR100999953B1 (en) * | 2010-02-09 | 2010-12-13 | 웰텍 주식회사 | Pipe line connecting method using automatic plumbing and welding system |
| CN202317561U (en) * | 2011-11-15 | 2012-07-11 | 嘉兴市新纪元钢管制造有限公司 | Core bar and mandrel butt-welding device |
| CN203330636U (en) * | 2013-06-28 | 2013-12-11 | 中国航空工业集团公司北京航空制造工程研究所 | Self-supporting friction stir welding and girth welding tool clamp |
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| CN203696344U (en) * | 2013-09-18 | 2014-07-09 | 中国北车集团大同电力机车有限责任公司 | Assembly and welding device for hollow shafts |
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2014
- 2014-12-11 CN CN201410764995.9A patent/CN104607859B/en not_active Expired - Fee Related
Patent Citations (5)
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| KR100999953B1 (en) * | 2010-02-09 | 2010-12-13 | 웰텍 주식회사 | Pipe line connecting method using automatic plumbing and welding system |
| CN202317561U (en) * | 2011-11-15 | 2012-07-11 | 嘉兴市新纪元钢管制造有限公司 | Core bar and mandrel butt-welding device |
| CN203330636U (en) * | 2013-06-28 | 2013-12-11 | 中国航空工业集团公司北京航空制造工程研究所 | Self-supporting friction stir welding and girth welding tool clamp |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414701A (en) * | 2015-12-03 | 2016-03-23 | 无锡市晨源建筑器材有限公司 | Steel pipe welding equipment |
| CN105522251A (en) * | 2016-01-07 | 2016-04-27 | 上海宝冶工程技术有限公司 | Automatic butt welding device for steel tube |
| CN106425265A (en) * | 2016-10-20 | 2017-02-22 | 成都久欣时代科技有限公司 | Spray pipe welding fixture |
| WO2018076399A1 (en) * | 2016-10-28 | 2018-05-03 | 南通宝田包装科技有限公司 | Joining and welding mechanism for pipe making machines |
| CN106392403A (en) * | 2016-11-22 | 2017-02-15 | 郑州游爱网络技术有限公司 | Semi-automatic pipe joint welding equipment |
| CN107199414A (en) * | 2017-07-26 | 2017-09-26 | 佛山市毅力机械制造有限公司 | Intelligent pipeline welding equipment |
| CN111906483A (en) * | 2020-06-29 | 2020-11-10 | 芜湖辉悦机械设计有限公司 | Welding and clamping pressing process for butt-joint connecting section bar |
| CN115008090A (en) * | 2022-04-22 | 2022-09-06 | 安徽圣方机械制造有限公司 | Welding device for producing gas drainage pipe and machining process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104607859B (en) | 2016-08-31 |
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