CN101077556A - Large-sized fitting circular seam solder displacement machine - Google Patents

Large-sized fitting circular seam solder displacement machine Download PDF

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Publication number
CN101077556A
CN101077556A CN 200710023268 CN200710023268A CN101077556A CN 101077556 A CN101077556 A CN 101077556A CN 200710023268 CN200710023268 CN 200710023268 CN 200710023268 A CN200710023268 A CN 200710023268A CN 101077556 A CN101077556 A CN 101077556A
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CN
China
Prior art keywords
rotating disk
drive sprocket
cavity
circular seam
displacement machine
Prior art date
Application number
CN 200710023268
Other languages
Chinese (zh)
Other versions
CN100522459C (en
Inventor
吴永平
刘亚娟
王书涛
汪魁
Original Assignee
昆山华恒工程技术中心有限公司
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Priority to CNB2007100232687A priority Critical patent/CN100522459C/en
Publication of CN101077556A publication Critical patent/CN101077556A/en
Application granted granted Critical
Publication of CN100522459C publication Critical patent/CN100522459C/en

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Abstract

The present invention provides one kind of locating machine for ring welding of large pipes. The locating machine includes one frame, one rotary locating mechanism on the frame, and one driving mechanism to drive the rotary locating mechanism. The rotary locating mechanism includes one turntable with cavity, one chain around the turntable and one pipe clamping and locating mechanism. The driving mechanism includes at least one driving chain wheel meshed with the chain. The present invention can ensure the stability of the welding process.

Description

A kind of large-sized fitting circular seam solder displacement machine
Technical field
The present invention relates to welding procedure equipment field, particularly a kind of positioner that is used for the weldering of large-size pipe circumferential weld.
Background technology
Positioner is to be used for dragging workpiece to be welded, makes it treat that welding line moves to the equipment that ideal position welds operation.Weldment is treated the initial position of welding line, may be in arbitrary orientation, space, after rotation displacement campaign, makes the welding line for the treatment of in arbitrary orientation, becomes ship fillet welding, downhand welding or flat fillet weld welding operation.It has changed the welding operation that may need vertical position welding, overhead welding etc. to be difficult to guarantee welding quality.
China's utility model patent a kind of U-bend circumferential weld weldering positioner that number has been 98247370.2 patent disclosure, it adopts open gear to carry out transmission, on the transmission gear wheel, have an opening, thereby pipe fitting to be welded is arranged on the gear wheel, thereby be rotated displacement by gear-driven mode and realize welding, but because the restriction of manufacturing process, the nominal diameter of gear wheel has the upper limit (maximum is no more than 1.5 meters), like this when carrying out the welding of large-scale pipe-pipe and pipe-flange, as to petroleum pipeline (caliber can reach more than 2 meters), easily produce in the existing open gear-driven mode course of work and skid and axial float, can't satisfy simultaneously the requirement of automatic welding device and positioner synchronous interaction, the inconvenience of bringing to welding.
Summary of the invention
Thereby the present invention seeks to provide a kind of in order to overcome the deficiencies in the prior art clamps pipe fitting to be welded and is rotated the positioner of realizing the weldering of large-size pipe circumferential weld efficiently.
For achieving the above object, technical scheme of the present invention is: a kind of large-sized fitting circular seam solder displacement machine, the rotation modified gear, the described rotation modified gear of driving that comprise the frame body, can be rotatably set on the described frame body rotate the transmission mechanism of displacement, described rotation modified gear comprise rotating disk with cavity, fixedly the chain of winding on described rotating disk excircle, near the clamping positioning mechanism that is used to clamp pipe fitting that the cavity place of described rotating disk is provided with, described transmission mechanism comprises the drive sprocket that at least one is meshed with described chain.
Further, described rotating disk also radially offers the breach that is connected with described cavity, and described drive sprocket comprises two, and the distance between described two drive sprockets is greater than the width of described breach.By offering breach, pipe fitting to be welded can be put into rotating disk from this breach, operate more convenient.
Described transmission mechanism is arranged on driving chain on described drive sprocket and the drive sprocket with also comprising drive sprocket, tensioning and engagement, is fixedly installed on the motor on the described frame body, the decelerator that is connected with described motor output end, the output of described decelerator is connected with described drive sprocket, and described drive sprocket is arranged on the center of described drive sprocket and the both sides of described center of turntable line symmetrically.Transmission mechanism adopts the sprocket wheel chain drive, has guaranteed the rotating disk stability of rotation, and can avoid causing the transmission mechanism wearing and tearing because of pollutant enters.
Described transmission mechanism also comprises the tightener sprocket that at least one is arranged on described drive sprocket below movably and is meshed with described driving chain, because tightener sprocket is set, guarantee that driving chain is in tensioning state all the time in transmission process, and the position-adjustable of tightener sprocket realizes steady transmission.
Between the described drive sprocket of described drive sprocket and each, also be set with the transition sprocket wheel that is meshed with described driving chain, described transition sprocket wheel also is arranged at the center of described drive sprocket and the both sides of described center of turntable line symmetrically, the transition sprocket wheel is set, and tightener sprocket distributes along the central axis of rotating disk, make the drive sprocket of both sides identical, guaranteed the continuity of transmission with angle between drive sprocket.
Described rotating disk excircle offers groove, and described chain is fixedly installed in the described groove, and described chain both ends closely are arranged on described indentation, there.
Described rotation modified gear also comprises the rolling element with cavity that is fixedly connected with described rotating disk, distributing along described rolling element inner periphery and excircle direction is provided with ground curving roll bearing, described rolling element is arranged in the formed circuit orbit of described curving roll bearing, and the cavity of described rolling element is connected with the cavity of described rotating disk, by rolling element is set, rolling element rotates in circuit orbit simultaneously, more guarantee the steady rotation of pipe fitting to be welded, made welding efficiently to carry out.
Described clamping positioning mechanism comprises the part that holds out against that at least one pair of that be fixedly installed on the described rotating disk can stretch in the cavity of described rotating disk, described every pair holds out against the both sides that part is distributed in described center of turntable line symmetrically, after pipe fitting to be welded being put into the cavity of rotating disk, regulate this and hold out against part, make that holding out against part pushes against pipe fitting to be welded in the cavity of rotating disk.
Described clamping positioning mechanism also comprises the V-arrangement locating support on the chamber wall of the cavity that is removably disposed in described rotating disk, described V-arrangement locating support is positioned at the described part below and the center line of described V-arrangement locating support and the center line of described rotating disk of holding out against and coincides, by this V-arrangement locating support is set, pipe fitting to be welded is arranged on this V-arrangement locating support, hold out against part by adjustment, make pipe fitting to be welded be clamped at and hold out against between part and V-arrangement locating support, also guaranteed simultaneously overlapping of pipe fitting to be welded center and center of turntable, thereby when welding, rotating disk and pipe fitting to be welded rotate synchronously, have prevented that effectively weldment skids and influenced welding in welding process.Simultaneously, this V-arrangement locating support can be made different sizes, thereby replaces different V-arrangement locating supports according to the model size of pipe fitting to be welded.
The described part that holds out against closely is arranged on described indentation, there.
Describedly hold out against the adjusting screw(rod) that part comprises the slide that is fixedly installed on the described rotating disk, is threaded mutually with described slide, described slide outside is exposed in described adjusting screw(rod) one end, and the other end of described adjusting screw(rod) is fixedly connected with movable push rod.
The present invention compared with prior art, has following advantage: because the diameter of the rotating disk of the rotation modified gear on the positioner is not subjected to the restriction of technology, so can process bigger rotating disk, cooperate clamping positioning mechanism simultaneously, can with different model particularly the pipe fitting to be welded of big model be clamped on the rotating disk, and adopt sprocket wheel to carry out transmission, guaranteed the rotating disk stability of rotation, do not skid and axial float thereby in welding process, can not produce, realized welding equipment and positioner synchronous interaction then.
Description of drawings
Accompanying drawing 1 is the front view of positioner of the present invention;
Accompanying drawing 2 rotates the front view of modified gear for the present invention;
Accompanying drawing 3 rotates the right view of displacement device for the present invention;
Accompanying drawing 4 is an A-A direction amplification view in the accompanying drawing 3;
Accompanying drawing 5 is the structural representation of clamping positioning mechanism of the present invention;
Wherein:
1, frame body;
2, rotation modified gear; 21, rotating disk; 211, breach; 212, cavity; 22, chain; 23, rolling element;
3, transmission mechanism; 31, drive sprocket; 32, drive sprocket; 33, driving chain; 34, tightener sprocket; 35, transition sprocket wheel; 36, motor; 37, decelerator;
4, curving roll bearing;
5, clamping positioning mechanism; 51, hold out against part; 511, slide; 512, adjusting screw(rod); 513, movable push rod; 52, V-arrangement locating support;
6, pipe fitting;
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the present invention are described in detail:
Positioner as shown in Figure 1 comprises frame body 1, is arranged on rotation modified gear 2 on the described frame body 1, is arranged on the transmission mechanism 3 that drives described rotation modified gear 2 rotation displacements on the frame body 1.
Wherein, to the rotation modified gear 2 shown in the accompanying drawing 4, it comprises the rotating disk 21 with cavity 212 as accompanying drawing 2, and it is bigger that the diameter of rotating disk 21 can be made, and it is big that corresponding cavity 212 is also offered, and can hold the pipe fitting to be welded of different-diameter size like this.
Described rotating disk 21 also radially offers the breach 211 that is connected with described cavity 212, can easily pipe fitting 6 to be welded be presented in the cavity of rotating disk by this breach 21, so this kind positioner is also referred to as the open-type positioner.
Offer groove (being demonstration among the figure) at described rotating disk 21 excircles, in described groove, be set with chain 22, and described chain 22 both ends closely are arranged on described breach 211 places.
As shown in Figure 5, on described rotating disk 21, also be provided with clamping positioning mechanism 5, described clamping positioning mechanism 5 comprise be fixedly installed on that a pair of on the described rotating disk 21 can stretch in the cavity 212 of described rotating disk 21 hold out against part 51, described every pair holds out against the both sides that part 51 is distributed in described rotating disk 21 center lines symmetrically.Describedly hold out against the adjusting screw(rod) 512 that part 51 comprises the slide 511 that is fixedly installed on the described rotating disk 21, is threaded mutually with described slide 511, described slide 511 outsides are exposed in described adjusting screw(rod) 512 1 ends, and the other end of described adjusting screw(rod) 512 is fixedly connected with movable push rod 513.Can adjusting activity push rod 513 stretch into the length in the cavity 212 of rotating disk 21 by adjusting screw(rod) 512, thereby when inserting pipe fitting to be welded in the cavity 212, hold out against part 51, make two movable push rods 513 that pipe fitting 6 to be welded is held out against in cavity 212 by regulating this.
For pipe fitting 6 is arranged in the rotating disk 21 more firmly, avoid because thereby the not firm of pipe fitting 6 clampings can produce because of the rotation of rotating disk 21 axially or radial-play, this clamping positioning mechanism 5 also comprises the V-arrangement locating support 52 on the chamber wall of the cavity 212 that is removably disposed in described rotating disk 21, and described V-arrangement locating support 52 is positioned at and describedly holds out against the center line of part 51 belows and described V-arrangement locating support 52 and the center line of described rotating disk 21 coincides.Therefore hold out against part by adjustment, make pipe fitting 6 to be welded be clamped at and hold out against between part and V-arrangement locating support, make the overlapping of pipe fitting to be welded center and center of turntable, thereby when welding, rotating disk 21 can keep synchronous rotation with pipe fitting 6 to be welded, has prevented that effectively pipe fitting skids and influenced welding in welding process.Simultaneously, this V-arrangement locating support 52 can be made different sizes, thereby replaces different V-arrangement locating supports according to the model size of pipe fitting to be welded.
Introduce the transmission mechanism 3 of present embodiment below again in conjunction with Fig. 2 to Fig. 4, described transmission mechanism 3 comprises and is symmetrically located at the drive sprocket 31 that center of turntable line both sides are meshed with described chain 22, distance between described two drive sprockets 31 still can the held stationary transmission when rotating disk forwards breach 211 positions to thereby guaranteed greater than the width of described breach 211.
Described transmission mechanism 3 is arranged on the driving chain 33 on described drive sprocket 32 and the drive sprocket 31 with also comprising drive sprocket 32, tensioning and engagement, and described drive sprocket 31 is positioned at the center of described drive sprocket 32 and the both sides of described rotating disk 21 lines of centres.
This transmission mechanism 3 drives by 36 pairs of drive sprockets 32 of motor, and because the running up of motor 36, the output of motor 36 is connected with drive sprocket 32 by decelerator 37.
In order to guarantee that driving chain 33 remains tensioning state in the process of transmission, the tightener sprocket 34 that is meshed with described driving chain 33 is set below drive sprocket 31 movably, because the position of tightener sprocket 34 is adjustable, thus can be according to the tensioning degree of the adjusting of the needs in motion process driving chain 33.
Between described drive sprocket 32 and described drive sprocket 31, also be set with the transition sprocket wheel 35 that is meshed with described driving chain 33, transition sprocket wheel 35 is provided with the both sides that are arranged on rotating disk 21 center lines of symmetry, thereby guarantee that both sides drive sprocket 31 is identical with angle between the drive sprocket 32, make steadily transmission of rotating disk.
In order further to guarantee the stationarity of rotating disk 21 in rotary course, the rolling element with cavity 23 that is fixedly connected with described rotating disk 21, distributing along described rolling element 23 inner peripherys and excircle direction is provided with ground curving roll bearing 4, described rolling element 23 is arranged in the described curving roll bearing 4 formed circuit orbits, and the cavity of described rolling element 23 is connected with the cavity 212 of described rotating disk 21.
The positioner operation principle of present embodiment is as follows:
Before welding, diameter according to pipe fitting to be welded, select suitable V-arrangement locating support 52, V-arrangement locating support 52 is fixed on the chamber wall of rotating disk 21 with screw, pipe fitting to be welded is put on the V-arrangement locating support 52 from breach 211, adjusting holds out against part 51, make and hold out against part 51 pipe fitting is held out against in cavity, starter motor 36, drive drive sprocket 32 after motor 36 slows down by decelerator 37 and be rotated motion, drive sprocket 32 drives drive sprocket 31 by driving chain 33 and is rotated motion, thereby make whole rotating disk 21 be rotated, then also and then rotation synchronously of pipe fitting, and transition sprocket wheel 35 and tightener sprocket 34 are arranged between drive sprocket 32 and drive sprocket 33, can guarantee that driving chain 31 is in tensioning state all the time in transmission process, realize steady transmission.Tightener sprocket 34 arranges that along the central axis of rotating disk 21 guaranteeing has identical angle with drive sprocket 31 both sides, makes transmission continuous.After welding finishes, regulate to regulate spiral shell screw rod 32, make that holding out against part 3 returns to original position, the pipe fitting that welds is taken out get final product.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims (11)

1, a kind of large-sized fitting circular seam solder displacement machine, comprise frame body (1), can be rotatably set in the rotation modified gear (2) on the described frame body (1), drive the transmission mechanism (3) of described rotation modified gear (2) rotation displacement, it is characterized in that: described rotation modified gear (2) comprises the have cavity rotating disk (21) of (212), the fixing chain (22) of winding on described rotating disk (21) excircle, near the clamping positioning mechanism that is used to clamp pipe fitting (5) that the cavity (212) of described rotating disk (21) is located to be provided with, described transmission mechanism (3) comprises the drive sprocket (31) that at least one is meshed with described chain (22).
2, a kind of large-sized fitting circular seam solder displacement machine according to claim 1, it is characterized in that: described rotating disk (21) also radially offers the breach (211) that is connected with described cavity (212), described drive sprocket (31) comprises two, and the distance between described two drive sprockets (31) is greater than the width of described breach (211).
3, a kind of large-sized fitting circular seam solder displacement machine according to claim 2, it is characterized in that: described transmission mechanism (3) also comprises drive sprocket (32), be arranged on to tensioning and engagement the driving chain (33) on described drive sprocket (32) and the drive sprocket (31), be fixedly installed on the motor (36) on the described frame body (1), the decelerator (37) that is connected with described motor (36) output, the output of described decelerator (37) is connected with described drive sprocket (32), and described drive sprocket (31) is arranged on the center of described drive sprocket (32) and the both sides of described rotating disk (21) line of centres symmetrically.
4, according to claim 1 or 2 or 3 described a kind of large-sized fitting circular seam solder displacement machines, it is characterized in that: described transmission mechanism (3) also comprises the tightener sprocket (34) that at least one is arranged on described drive sprocket (31) below movably and is meshed with described driving chain (33).
5, a kind of large-sized fitting circular seam solder displacement machine according to claim 2, it is characterized in that: also be set with the transition sprocket wheel (35) that is meshed with described driving chain (33) between described drive sprocket (32) and each described drive sprocket (31), described transition sprocket wheel (35) also is arranged at the center of described drive sprocket (32) and the both sides of described rotating disk (21) line of centres symmetrically.
6, a kind of large-sized fitting circular seam solder displacement machine according to claim 2, it is characterized in that: described rotating disk (21) excircle offers groove, described chain (22) is fixedly installed in the described groove, and described chain (22) both ends closely are arranged on described breach (211) and locate.
7, a kind of large-sized fitting circular seam solder displacement machine according to claim 1, it is characterized in that: described rotation modified gear (2) also comprises the rolling element with cavity (23) that is fixedly connected with described rotating disk (21), distributing along described rolling element (23) inner periphery and excircle direction is provided with ground curving roll bearing (4), described rolling element (23) is arranged in the formed circuit orbit of described curving roll bearing (4), and the cavity of described rolling element (23) is connected with the cavity (212) of described rotating disk (21).
8, a kind of large-sized fitting circular seam solder displacement machine according to claim 1 and 2, it is characterized in that: described clamping positioning mechanism (5) comprises that at least one pair of that be fixedly installed on the described rotating disk (21) can stretch in the cavity (212) of described rotating disk (21) holds out against part (51), and described every pair holds out against the both sides that part (51) is distributed in described rotating disk (21) center line symmetrically.
9, a kind of large-sized fitting circular seam solder displacement machine according to claim 8, it is characterized in that: described clamping positioning mechanism (5) also comprises the V-arrangement locating support (52) on the chamber wall of the cavity (212) that is removably disposed in described rotating disk (21), and described V-arrangement locating support (52) is positioned at described part (51) below and the center line of described V-arrangement locating support (52) and the center line of described rotating disk (21) of holding out against and coincides.
10, a kind of large-sized fitting circular seam solder displacement machine according to claim 8 is characterized in that: the described part (51) that holds out against closely is arranged on described breach (211) and locates.
11, a kind of large-sized fitting circular seam solder displacement machine according to claim 1, it is characterized in that: describedly hold out against the adjusting screw(rod) (512) that part (51) comprises the slide (511) that is fixedly installed on the described rotating disk (21), is threaded mutually with described slide (511), described slide (511) outside is exposed in described adjusting screw(rod) (512) one ends, and the other end of described adjusting screw(rod) (512) is fixedly connected with movable push rod (513).
CNB2007100232687A 2007-06-13 2007-06-13 Large-sized fitting circular seam solder displacement machine CN100522459C (en)

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Application Number Priority Date Filing Date Title
CNB2007100232687A CN100522459C (en) 2007-06-13 2007-06-13 Large-sized fitting circular seam solder displacement machine

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CN101077556A true CN101077556A (en) 2007-11-28
CN100522459C CN100522459C (en) 2009-08-05

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101829875A (en) * 2010-05-13 2010-09-15 项大清 Cylinder positioning device in thin-wall drilling welding machine
CN101885130A (en) * 2010-07-08 2010-11-17 昆山华恒工程技术中心有限公司 Automatic circular seam welding pipe tongs
CN101905404A (en) * 2010-07-19 2010-12-08 杭州凯尔达电焊机有限公司 Automatic clamping and centering method and device
CN101391362B (en) * 2008-11-06 2011-01-05 沈阳飞机工业(集团)有限公司 Pipe welding rolling clamp
CN102275055A (en) * 2011-07-14 2011-12-14 长春轨道客车装备有限责任公司 Welding supporter
CN102303295A (en) * 2011-03-16 2012-01-04 江苏凯宫隧道机械有限公司 Bracket device applied to assembly of shield machines of different diameters
CN102384871A (en) * 2011-11-16 2012-03-21 中材金晶玻纤有限公司 Large-caliber pipe detection fixed device
CN102430885A (en) * 2010-09-29 2012-05-02 西安轨道交通装备有限责任公司 Fire tube welding displacement device
CN102717218A (en) * 2012-06-26 2012-10-10 无锡汉神电气有限公司 Rotation device of multi-point annular welding machine
CN102935574A (en) * 2012-11-16 2013-02-20 三一重工股份有限公司 Opening positioner
CN103769947A (en) * 2014-01-21 2014-05-07 濮阳贝英数控机械设备有限公司 Rotating mechanism of workpiece box
CN103801889A (en) * 2014-03-04 2014-05-21 唐山开元机器人系统有限公司 Alignment clamp with top opening and 360-degree rotation function
CN105171292A (en) * 2015-10-21 2015-12-23 昆山华恒焊接股份有限公司 Pipe welding device
CN105234604A (en) * 2015-11-12 2016-01-13 济南金鲁鼎焊接技术有限公司 Gear and gear ring transmission mechanism of all-position welding machine
CN105269213A (en) * 2015-11-30 2016-01-27 济南金强激光数控设备有限公司 Pneumatic type chuck
CN105798744A (en) * 2016-05-09 2016-07-27 辽宁科技大学 Pipe inner wall rust removing device and method
CN106514100A (en) * 2016-12-15 2017-03-22 芜湖普威技研有限公司 Clamping device of welding support
CN108917586A (en) * 2018-09-27 2018-11-30 山东科技大学 A kind of model test strain brick sensor machine table and its operating method
CN109746613A (en) * 2019-03-12 2019-05-14 林佳朋 A kind of Intelligent welding system

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101391362B (en) * 2008-11-06 2011-01-05 沈阳飞机工业(集团)有限公司 Pipe welding rolling clamp
CN101829875B (en) * 2010-05-13 2015-01-21 项大清 Cylinder positioning device in thin-wall drilling welding machine
CN101829875A (en) * 2010-05-13 2010-09-15 项大清 Cylinder positioning device in thin-wall drilling welding machine
CN101885130A (en) * 2010-07-08 2010-11-17 昆山华恒工程技术中心有限公司 Automatic circular seam welding pipe tongs
CN101885130B (en) * 2010-07-08 2013-06-12 昆山华恒工程技术中心有限公司 Automatic circular seam welding pipe tongs
CN101905404A (en) * 2010-07-19 2010-12-08 杭州凯尔达电焊机有限公司 Automatic clamping and centering method and device
CN102430885A (en) * 2010-09-29 2012-05-02 西安轨道交通装备有限责任公司 Fire tube welding displacement device
CN102303295A (en) * 2011-03-16 2012-01-04 江苏凯宫隧道机械有限公司 Bracket device applied to assembly of shield machines of different diameters
CN102275055B (en) * 2011-07-14 2013-11-13 长春轨道客车装备有限责任公司 Welding supporter
CN102275055A (en) * 2011-07-14 2011-12-14 长春轨道客车装备有限责任公司 Welding supporter
CN102384871A (en) * 2011-11-16 2012-03-21 中材金晶玻纤有限公司 Large-caliber pipe detection fixed device
CN102717218A (en) * 2012-06-26 2012-10-10 无锡汉神电气有限公司 Rotation device of multi-point annular welding machine
CN102935574A (en) * 2012-11-16 2013-02-20 三一重工股份有限公司 Opening positioner
CN103769947B (en) * 2014-01-21 2016-11-23 濮阳贝英数控机械设备有限公司 A kind of workpiece box rotary apparatus
CN103769947A (en) * 2014-01-21 2014-05-07 濮阳贝英数控机械设备有限公司 Rotating mechanism of workpiece box
CN103801889A (en) * 2014-03-04 2014-05-21 唐山开元机器人系统有限公司 Alignment clamp with top opening and 360-degree rotation function
CN105171292A (en) * 2015-10-21 2015-12-23 昆山华恒焊接股份有限公司 Pipe welding device
CN105234604A (en) * 2015-11-12 2016-01-13 济南金鲁鼎焊接技术有限公司 Gear and gear ring transmission mechanism of all-position welding machine
CN105269213A (en) * 2015-11-30 2016-01-27 济南金强激光数控设备有限公司 Pneumatic type chuck
CN105798744A (en) * 2016-05-09 2016-07-27 辽宁科技大学 Pipe inner wall rust removing device and method
CN105798744B (en) * 2016-05-09 2018-09-21 辽宁科技大学 A kind of inside pipe wall derusting device and derusting method
CN106514100A (en) * 2016-12-15 2017-03-22 芜湖普威技研有限公司 Clamping device of welding support
CN108917586A (en) * 2018-09-27 2018-11-30 山东科技大学 A kind of model test strain brick sensor machine table and its operating method
CN109746613A (en) * 2019-03-12 2019-05-14 林佳朋 A kind of Intelligent welding system

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Assignee: Xuzhou Huaheng Welding Co., Ltd.

Assignor: Kunshan Huaheng Engineering Technology Center Co., Ltd.

Contract record no.: 2010320000829

Denomination of invention: Large-sized fitting circular seam solder displacement machine

Granted publication date: 20090805

License type: Exclusive License

Open date: 20071128

Record date: 20100701