CN104607859B - It is easy to Large circular sealing of tube and the frock of weld industry and its implementation - Google Patents

It is easy to Large circular sealing of tube and the frock of weld industry and its implementation Download PDF

Info

Publication number
CN104607859B
CN104607859B CN201410764995.9A CN201410764995A CN104607859B CN 104607859 B CN104607859 B CN 104607859B CN 201410764995 A CN201410764995 A CN 201410764995A CN 104607859 B CN104607859 B CN 104607859B
Authority
CN
China
Prior art keywords
pipe
sleeve
centre frame
duplex
frock
Prior art date
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.)
Expired - Fee Related
Application number
CN201410764995.9A
Other languages
Chinese (zh)
Other versions
CN104607859A (en
Inventor
王亮
靳毅
马龙
黄戴春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gang Gou Co Ltd Is Shared In Hainan
Original Assignee
Gang Gou Co Ltd Is Shared In Hainan
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gang Gou Co Ltd Is Shared In Hainan filed Critical Gang Gou Co Ltd Is Shared In Hainan
Priority to CN201410764995.9A priority Critical patent/CN104607859B/en
Publication of CN104607859A publication Critical patent/CN104607859A/en
Application granted granted Critical
Publication of CN104607859B publication Critical patent/CN104607859B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary 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
    • B23K37/0538Auxiliary 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/003Processes 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/04Tubular or hollow articles
    • B23K2101/06Tubes

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 and a kind of be easy to Large circular sealing of tube and the frock of weld industry and its implementation, improve the pipe first-time qualification rate after docking in prior art low, typically require and repeatedly correct, the problem that the quality of production and duration are adversely affected.The present invention includes workbench, the first sleeve being respectively arranged in workbench both sides and the second sleeve, is installed on the duplex centre frame in the middle of workbench, the first sleeve, the second sleeve and the concentricity line of duplex centre frame;It is provided with bearing in first sleeve and duplex centre frame;Being provided with Circular tube fixer in second sleeve, motor is linked with Circular tube fixer by actuating device, and described duplex centre frame is intermediate openings structure.Use this to be easy to the frock of Large circular sealing of tube and weld industry, welding efficiency and the quality of pipe docking can be improved, it is achieved the control to postwelding welding deformation, it is ensured that the linearity of pipe after docking.

Description

It is easy to Large circular sealing of tube and the frock of weld industry and realization thereof Method
Technical field
The present invention relates to manufacture of steel structure field, be easy to Large circular in particular to one Sealing of tube and the frock of weld industry and its implementation.
Background technology
Now, pipe use in steel building gets more and more, the most large-scale lattice Post is especially because of reasons such as stock utilization height, good, the good looking appearances of structural stability increasingly It is widely used in all kinds of building.But, along with the development of building trade, for pipe Length and linearity in a certain component require more and more higher, and when raw material dispatches from the factory are Length can not be greatly improved, therefore be required for pipe is docked in a lot of occasions, To obtain required length, this just joint quality to pipe propose higher requirement, One is intended to good welding procedure, it is ensured that the outward appearance of butt weld, intensity;Two is in weldering After must assure that the pipe of docking can not produce moderate finite deformation, it is possible to meet the requirement of linearity. And these 2 in practical operation, for processing and fabricating personnel, difficulty is big, efficiency is low, right Pipe first-time qualification rate after connecing is low, it usually needs repeatedly correct, technological requirement difficulty Greatly, efficiency low, the quality of actual production and duration all can be brought adverse effect by these.
Summary of the invention
It is an object of the invention to provide one and be easy to Large circular sealing of tube and weld industry Frock and its implementation, to improve in prior art the pipe first-time qualification rate after docking Low, it usually needs repeatedly to correct, the quality of production and duration are caused adverse effect Problem.
To achieve these goals, the technical solution used in the present invention is as follows:
It is easy to the frock of Large circular sealing of tube and weld industry, including workbench, also wraps Include the first sleeve, duplex centre frame, the second sleeve and motor, described first sleeve and second Sleeve is respectively arranged in workbench both sides, and described duplex centre frame is installed in the middle of workbench, First sleeve, the second sleeve and the concentricity line of duplex centre frame;
It is provided with in described first sleeve and duplex centre frame in order to fixing pipe can be around The bearing that pipe centrage rotates;Be provided with in described second sleeve in order to fixing pipe and The Circular tube fixer that can rotate around pipe centrage, described motor passes through actuating device and circle Pipe fixing device links, in bearing fixed area in described first sleeve, duplex centre frame Bearing fixed area and Circular tube fixer in the concentricity line of fixed area;Described duplex Centre frame is intermediate openings structure.
As preferably, described Circular tube fixer is screw thread clamping chuck;Described actuating device For belt pulley, described motor is by this belt pulley and screw thread clamping chuck linking.
In view of practical situation, the described bearing being arranged in duplex centre frame is at least two, It is separately positioned in duplex centre frame in the first sleeve side and duplex centre frame near circle Pipe fixing device side.
On the basis of said apparatus, the invention discloses one be easy to Large circular sealing of tube and The implementation method of the frock of weld industry, comprises the following steps:
One end of arbitrary pipe in two pipes to be welded is fixed on the bearing of the first sleeve Interior, the other end is fixed in the bearing of duplex centre frame and the adjacent side of the first sleeve;To treat One end of another pipe of welding is fixed in Circular tube fixer, the other end is fixed on duplex In the bearing of centre frame side adjacent with Circular tube fixer, by two pipe joint clampings And guarantee that place to be welded is positioned at duplex centre frame aperture position;
Starting motor, driven by motor Circular tube fixer rotates, and Circular tube fixer drives solid Fixed pipe within it rotates;
By two pipe joint spot welding, the pipe being fixed in Circular tube fixer is made to drive The pipe being fixed in the first sleeve rotates;
Operator at duplex centre frame opening part to two pipe joint weldings, until completing Whole welding to two pipe joints.
In order to ensure welding quality, described motor is uniform rotation, and it drives pipe to rotate Linear velocity is equal to operator's speed of welding to pipe joint.
In order to improve the linearity of pipe after welding further, complete two pipe joints Whole welding after, continue motor is 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 use bearing that pipe is pressed Fasten, use the fixing coefficient of friction that can effectively reduce in power transmission process of bearing and Holding shaft center, thus improve reliability and the degree of accuracy of welding;Lead in second sleeve Cross Circular tube fixer and fix pipe, use driven by motor Circular tube fixer to rotate, both sides Two sections of pipes that sleeve and duplex centre frame are fixed are on same axis all the time, during enforcement, After two sections of pipe clampings to be welded, electrical power is rotated side pipe can be driven to turn Dynamic, operator only need to can realize two sections of pipes after two sections of pipe joint spot welding being connected Rotating, welding process can complete without stirring pipe by hand, it is possible to effectively guarantees butt welding The welding quality of seam.
In the present invention, motor uniform rotation, when pipe linear velocity is equal to butt weld welding speed When spending, whole piece weld seam welding position is downhand welding, after welding terminates, due to two sections of splicings Pipe is on same axis all the time, even if creating bigger stress when welding, due to The pressure of duplex centre frame is fixed so that whole section of pipe is not likely to produce deformation, effectively ensure that The linearity of postwelding pipe.
In the present invention, after welding completes, continuation of still regulating the speed rotates pipe to weld seam Cooling, owing to now weld seam temperature is the highest, pipe continues rotation and is equivalent to enter pipe The hot rolling and straightening of row, it is possible to eliminate issuable welding deformation when forcing fixing, reduces weldering Seam internal stress, improves the linearity of postwelding pipe further.
Present configuration is simple, it is convenient to implement, it is possible to effectively control welding deformation, it is ensured that right Connect the linearity of rear pipe, improve welding efficiency, meet actual demand, there is prominent reality Matter feature and marked improvement, be suitable for 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, corresponding entitled of accompanying drawing mark:
1-workbench, 2-the first sleeve, 3-duplex centre frame, 4-the second sleeve, 5-pipe, 6-motor.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing and the present invention is done further retouch in detail State.
Embodiment
As it is shown in figure 1, the embodiment of the invention discloses one to be easy to Large circular sealing of tube and weldering Connect the frock of Deformation control, specifically include that
Workbench 1, it is preferred to use horizontal table, in order to each parts of mounting tool, it is ensured that Frock working face;
First sleeve 2, is installed on workbench 1 side, be provided with in it in order to fixing pipe 5, And the bearing that can rotate around pipe 5 centrage, itself and duplex centre frame the 3, second sleeve 4 Jointly complete the heart being fixed to two pipes 5 to be docked;
Duplex centre frame 3, is installed in the middle of workbench 1, is positioned at the first sleeve 2 and second Between sleeve 4, it is provided with in it in order to fixing pipe 5 and can turn around pipe 5 centrage Dynamic bearing, it completes with first sleeve the 2, second sleeve 4 to wait two to dock circle jointly Pipe 5 the heart is fixed, 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, in order to welding;
Second sleeve 4, is 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, it is provided with in it in order to fixing pipe 5 and can around pipe 5 centrage rotate Circular tube fixer, consolidating in Circular tube fixer Determine the bearing fixed area in region and the first sleeve, bearing fixed area in duplex centre frame Territory is concentricity line, fixed for the heart guaranteeing when two pipes 5 docked weld;
Motor 6, is connected with Circular tube fixer by actuating device, for Circular tube fixer Power is provided thus drives pipe 5 to rotate, as preferably, use stepless speed-change motor, with Meet different rotating speeds demand.
In the embodiment of the present invention, Circular tube fixer has multiple choices, as long as having clamping circle The card-tight part of pipe 5, and can rotate, such as around pipe 5 centrage: screw thread clamping card Dish;Actuating device has multiple choices, such as: belt pulley, rotor etc., only need to be by accordingly Actuating device motor 6 and Circular tube fixer are linked, owing to can realize the present invention In embodiment, Circular tube fixer and the actuating device of required function are more, thus do not do at this More explanations.
In view of practical situation, being arranged at the bearing in duplex centre frame 3 is at least two, It is separately positioned in duplex centre frame 3 in the first sleeve 2 side and duplex centre frame 3 Near Circular tube fixer side, when the bearing in duplex centre frame 3 is two, duplex Centre frame 3 uses a bearing and the collaborative fixing wherein circle to be welded of the first sleeve 2 Pipe 5, uses another bearing and Circular tube fixer to work in coordination with fixing another root circle to be welded Pipe 5, and guarantee that the heart is fixed by two pipes.
As shown in Figure 2 and Figure 3, arrange in present embodiment discloses a kind of duplex centre frame 3 Structural representation during six bearings, i.e. duplex centre frame 3 use three bearings and first set The collaborative fixing wherein pipe 5 to be welded of cylinder 2, uses the other three bearing and pipe Fixing device works in coordination with fixing another root pipe 5 to be welded, and guarantees that two pipes 5 are to the heart Fixing, in order to ensure fixing reliability, three bearings of the same side in duplex centre frame 3 It is equally spaced.Except the structure enumerated in the present embodiment, the quantity of duplex centre frame 3 inner bearing And distribution mode has multiple, as long as can realize the fixing of two pipes 5 to be welded energy Rotate around pipe 5 centrage.
It should be noted that for the range of application improving the embodiment of the present invention, make the present invention It is applicable to the welding of different-diameter pipe 5, can be by the first sleeve 2 and duplex centre frame 3 Bearing be disposed as detachable connection, the bearing that varied in size by installation, change spiral shell The card interface of stricture of vagina clamping chuck, being allowed to matches with pipe 5 bore to be welded can realize right The welding of different-diameter pipe 5.
The implementation method of the above-mentioned frock being easy to Large circular sealing of tube and weld industry is such as Under:
One end of arbitrary pipe 5 in two pipes 5 to be welded is fixed on the first sleeve 2 Bearing in, the other end be fixed on the axle of duplex centre frame 3 and the first adjacent side of sleeve 2 In holding;One end of another pipe 5 to be welded is fixed in Circular tube fixer, another End is fixed in the bearing of duplex centre frame 3 side adjacent with Circular tube fixer, operator By two pipe 5 joint clampings and guarantee that place to be welded is positioned at duplex centre frame 3 opening position Put;Starting motor 6, motor 6 drives Circular tube fixer to rotate, Circular tube fixer band The dynamic pipe 5 being fixed therein rotates;By two pipe 5 joint spot welding, it is fixed on circle Pipe 5 in pipe fixing device drives the pipe 5 being fixed in the first sleeve 2 to rotate;Behaviour After author adjusts motor 6 rotating speed by self operating habit, at duplex centre frame 3 opening part pair Two pipe 5 joint weldings, until completing the whole welding to two pipe 5 joints.
Preferably motor 6 is set as uniform rotation, so that pipe 5 also uniform rotation;Excellent Motor 6 speed setting is by choosing: its linear velocity driving pipe 5 to rotate is equal to operator couple After the speed of welding of pipe 5 joint, so welding, whole piece weld seam welding position is flat Weldering, is easily guaranteed that the welding quality of butt weld, after welding terminates, due to two sections of splicings Pipe 5 is on same axis all the time, even if creating bigger stress when welding, but It is will not to be deformed owing to the pressure of duplex centre frame 3 is fixing.
In order to prevent that weld seam cooling procedure deforms, complete two pipe 5 joints Whole welding after, preferably continue to motor 6 is set as duty, until weld is cold But, it is the highest that such operation is because weld seam temperature when welding completes, and continues to rotate quite In pipe 5 is carried out hot rolling and straightening, it is possible to eliminate issuable welding when forcing fixing Deformation, reduces weld seam internal stress, improves 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.All Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, Should be included within the scope of the present invention.

Claims (7)

1. it is easy to the frock of Large circular sealing of tube and weld industry, including workbench, its It is characterised by, also includes the first sleeve, duplex centre frame, the second sleeve and motor, described First sleeve and the second sleeve are respectively arranged in workbench both sides, and 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;
It is provided with in described first sleeve and duplex centre frame in order to fixing pipe can be around The bearing that pipe centrage rotates;Be provided with in described second sleeve in order to fixing pipe and The Circular tube fixer that can rotate around pipe centrage, described motor passes through actuating device and circle Pipe fixing device links, in bearing fixed area in described first sleeve, duplex centre frame Bearing fixed area and Circular tube fixer in the concentricity line of fixed area;Described duplex Centre frame is intermediate openings structure.
Large circular sealing of tube and the weld industry be easy to the most according to claim 1 Frock, it is characterised in that described Circular tube fixer is screw thread clamping chuck.
Large circular sealing of tube and the weld industry be easy to the most according to claim 2 Frock, it is characterised in that described actuating device is belt pulley, and described motor is by this belt Wheel and screw thread clamping chuck linking.
Large circular sealing of tube and the weld industry be easy to the most according to claim 3 Frock, it is characterised in that the described bearing being arranged in duplex centre frame is at least two, It is separately positioned in duplex centre frame in the first sleeve side and duplex centre frame near circle Pipe fixing device side.
5. it is easy to Large circular sealing of tube and welding deformation described in Claims 1 to 4 any one The implementation method of the frock controlled, it is characterised in that comprise the following steps:
One end of arbitrary pipe in two pipes to be welded is fixed on the bearing of the first sleeve Interior, the other end is fixed in the bearing of duplex centre frame and the adjacent side of the first sleeve;To treat One end of another pipe of welding is fixed in Circular tube fixer, the other end is fixed on duplex In the bearing of centre frame side adjacent with Circular tube fixer, by two pipe joint clampings And guarantee that place to be welded is positioned at duplex centre frame aperture position;
Starting motor, driven by motor Circular tube fixer rotates, and Circular tube fixer drives solid Fixed pipe within it rotates;
By two pipe joint spot welding, the pipe being fixed in Circular tube fixer is made to drive The pipe being fixed in the first sleeve rotates;
Operator at duplex centre frame opening part to two pipe joint weldings, until completing Whole welding to two pipe joints.
Large circular sealing of tube and the weld industry be easy to the most according to claim 5 The implementation method of frock, it is characterised in that described motor is uniform rotation, it drives pipe The linear velocity rotated is equal to operator's speed of welding to pipe joint.
Large circular sealing of tube and the weld industry be easy to the most according to claim 5 The implementation method of frock, it is characterised in that complete the whole welding to two pipe joints After, continue motor is set as duty, until weld cooling.
CN201410764995.9A 2014-12-11 2014-12-11 It is easy to Large circular sealing of tube and the frock of weld industry and its implementation Expired - Fee Related CN104607859B (en)

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 CN104607859A (en) 2015-05-13
CN104607859B true CN104607859B (en) 2016-08-31

Family

ID=53142644

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)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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
CN106363338A (en) * 2016-10-28 2017-02-01 南通宝田包装科技有限公司 Connecting and welding mechanism for pipe making machine
CN106392403B (en) * 2016-11-22 2018-10-02 安徽皖南电机股份有限公司 A kind of semi-automatic pipe fitting 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
CN111906483B (en) * 2020-06-29 2022-01-25 佛山市德珂铝业有限公司 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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN203471250U (en) * 2013-09-24 2014-03-12 扬州力多钢结构工程有限公司 Metal tube positioning butt-joint device
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN203471250U (en) * 2013-09-24 2014-03-12 扬州力多钢结构工程有限公司 Metal tube positioning butt-joint device

Also Published As

Publication number Publication date
CN104607859A (en) 2015-05-13

Similar Documents

Publication Publication Date Title
CN104607859B (en) It is easy to Large circular sealing of tube and the frock of weld industry and its implementation
CN203003336U (en) Pumpback type friction stir welding spindle head with differential rotation of stirring needle and shaft shoulder
CN104999173B (en) Thin-walled aluminum alloy pipe end sealing and welding device and welding method
CN207824174U (en) A kind of friction stir weld device of control with angle
CN101396779A (en) Welding gun gripping swing mechanism
CN104107978A (en) Method for improving strength and plasticity of dissimilar material stir friction welding joint
CN204639394U (en) Welding rotation platform
CN104775010A (en) Laser quenching equipment and use method
CN204639424U (en) A kind of friction stir weld device of control with angle
CN105712044A (en) Transverse progressive device for chain type steel tube
CN203380556U (en) Pipe end welding auxiliary device
CN207494880U (en) A kind of partition board narrow gap welding rotation positioning device
CN201664811U (en) Automatic shift welding machine for large pipe fittings
CN208644491U (en) A kind of clamping device and the welder using the clamping device
CN204381754U (en) A kind of clipping welding tooling
CN106239057A (en) Split type backing ring and manufacture method thereof
CN104827232A (en) Welding rotating table and argon arc welding system
CN106984939A (en) Pipe fitting welding servicing unit
CN105108323A (en) Rail mobile stir friction welding device
CN209632295U (en) A kind of new equipment for Friction Stir Welding xenogenesis tubular structure
CN204893263U (en) Welding robot
CN204621467U (en) A kind of floor turnable positioner and argon arc welding system
CN109570741B (en) Novel device for friction stir welding of dissimilar tubular structures
CN104419815A (en) Induction tempering technology for shaft parts and inductor
CN208713255U (en) A kind of welder of steel construction

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160831

Termination date: 20161211

CF01 Termination of patent right due to non-payment of annual fee