CN201702540U - Automatic pipe welding pliers for circular seams - Google Patents
Automatic pipe welding pliers for circular seams Download PDFInfo
- Publication number
- CN201702540U CN201702540U CN2010202516731U CN201020251673U CN201702540U CN 201702540 U CN201702540 U CN 201702540U CN 2010202516731 U CN2010202516731 U CN 2010202516731U CN 201020251673 U CN201020251673 U CN 201020251673U CN 201702540 U CN201702540 U CN 201702540U
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- gear ring
- welding
- rotation gear
- seam welding
- circular seam
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Abstract
The utility model discloses automatic pipe welding pliers for circular seams, which relates to process equipment for automatically welding bending pipe/flange circular seams and belongs to the technical field of welding process equipment. The automatic pipe welding pliers are characterized in that a main body of a driving and rotating mechanism is a bracket provided with a U-shaped groove; one side of the bracket is fixedly connected with a U-shaped base box body; a rotating gear ring, a support seat, a roller bearing, a transitional gear, a drive device and a tight drive are arranged on the other side of the bracket; a drive shaft of the drive device is connected with the transitional gear which is externally meshed with the rotating gear ring; the rotating gear ring is supported by the support seat and the roller bearing which are arranged along the circumference of the rotating gear ring; and a self-centering positioning and clamping mechanism is arranged in the rotating gear ring. The welding fixture can be used for clamping and rotating a bent pipe/flange to be welded, not only can realize the welding by manual welding, but also can automatically weld circular seams of an inner angle/outer angle of the bent pipe/flange, reduce the labor intensity of workers, reduce the times for clamping and improve the quality and the efficiency for welding.
Description
Technical field
The utility model relates to a kind of bend pipe/flange rim technological equipment of welding automatically, belongs to welding procedure equipment technology field.
Background technology
In the mechanized equipment that industries such as shipyard, oil, petrochemical industry, chemical industry, power plant are used, often there are circle shape parts such as a large amount of bend pipes and/or flange, assemble in the process of these equipment in processing and manufacturing, need weld the interior angle of these bend pipes and/or flange and two girth joints at exterior angle.Because bend pipe and/or flange specification are more, not of uniform size, have brought very big difficulty to welding procedure.Traditional welding method adopts the mode of artificial rotating welding workpiece, manual welding welding to carry out always, has not only increased labour intensity, inconvenient operation, and also welding efficiency is low, and the manual welding level differs, difficult quality guarantee.Even adopt weldment displacement mechanical device clamping pipeline such as positioner commonly used at present, turning rolls and/or flange to replace artificial rotational workpieces, still to come the outside fillet (weld) of welded flange and/or bend pipe by craft, welding efficiency is lower, quality can't guarantee, still do not have the Welding Problems of welding procedure equipment solution inside fillet preferably, therefore still can't solve the problem of welding quality and efficient.Thereby, the welding quality of the inside and outside square ring weld seam of bend pipe/flange and efficient have become a problem of needing solution badly of puzzlement welding procedure equipment manufacturing enterprise, become the bottleneck that China's welding procedure level development improves, be necessary the welding procedure equipment of development and Design at this welding procedure, improve China's welding procedure level, and promote the development of the machining manufacturing of China.
The utility model content
Technical problem to be solved in the utility model provides a kind of welding tooling that clamps and be rotated bend pipe/flange to be welded, not only realize the welding of manual welding, and make bend pipe/flange interior angle/exterior angle girth joint can realize automatic weldering, reduce labor strength, reduce clamping times, improve welding quality and efficient.
For solving the problems of the technologies described above, the utility model provides the inside and outside square ring weld seam of a kind of suitable bend pipe/flange frock automatic circular seam welding pipe tongs of welding automatically, comprise casing, drive and rotating mechanism, clamp mechanism, it is characterized in that: drive and the main body of rotating mechanism is one to have the support of U-lag, support one side and U-shaped pedestal casing are connected and fixed, the support opposite side is provided with the rotation gear ring, supporting seat, roller bearing, transition gear, drive unit, hold out against driving, the driving shaft of described drive unit is connected with transition gear, described transition gear and the external toothing of described rotation gear ring, described rotation gear ring is by the supporting seat along rotation gear ring circle distribution, roller bearing supports, and the self-centering positioning and clamping mechanism is placed in the described rotation gear ring.Gear, the transmission of U-shaped rotation gear ring are adopted in described transition gear and the external toothing of described rotation gear ring, running part, and the transmission efficiency height, gearratio is accurate, power bracket is big, long service life, noise is little and safe and reliable.
Described rotation gear ring is an annular, an end have with described support on corresponding U-lag, rotating gear ring one side is a step-like plane, inner ring is a concave surface, the outer ring is a convex surface, described self-centering positioning and clamping mechanism is placed in the described concave surface.Described rotation gear ring is supported by described supporting seat, the roller bearing along rotation gear ring circle distribution.
Described roller bearing is by axially form with two group roller bearings radially at least, and described roller bearing is installed on the described supporting seat.The rotation of rotation gear ring is to move in by the fixed space track that axially and radially two groups of bearings are formed, two groups of bearings have played good support and positioning action, bearing is selected for use is high bearing capacity, high-accuracy bearing, guarantees rotation gear ring and the stability of self-centering positioning and clamping mechanism in rotation process.
Described transition gear is that odd number is individual, external toothing mutually successively, and two transition gears at two ends and the external toothing of described rotation gear ring guarantee that the rotation gear ring operates steadily.
Described self-centering positioning and clamping mechanism comprises top board, the three-jaw guiding mechanism, scroll chuck, regulate tie down screw, described three-jaw guiding mechanism comprises guide plate and guide pad, described guide plate is a V-arrangement, middle bending part is hinged on the described scroll chuck, described scroll chuck one end have with described support on corresponding U-lag, also have little chute on the described scroll chuck, described guide pad places described chute perpendicular to the scroll chuck plane, adjacent guide plate is articulated in described guide pad one end, the described guide pad other end connects described top board successively at interval, and described adjusting tie down screw one end contacts with the described guide pad in the described three-jaw guiding mechanism is moving.
Described three-jaw guiding mechanism comprises four guide plates and five guide pads, and the chute corresponding with described guide pad also is five, is three with the top board that described guide pad is connected at interval.
The described adjusting tie down screw other end contact with holding out against drive to cooperate, and described holding out against drives or be motor driver, or is pneumatic actuating device, or is fluid pressure drive device.Hold out against driving startup back and contact, promote the adjusting tie down screw and contact, move clamping work pieces to the center, realize the workpiece self-centering by three-jaw guiding mechanism drive top board with the three-jaw guiding mechanism with regulating tie down screw.The self-centering positioning and clamping mechanism is mounted on by scroll chuck in the concave surface of rotation gear ring side, moves in a circle with the rotation gear ring, rotates thereby drive folded workpiece.
Adopt guide plate and guide pad in the three-jaw guiding mechanism, the intensity height, the machining accuracy height, no matter and the caliber size, the pivot unanimity, the workpiece self-centering is simple to operate, and the centering precision height has shortened clamping time of workpiece greatly, has improved operating efficiency.
Scroll chuck is consistent with rotation U-lag that gear ring is opened, when pipe up and down/flange, the U-shaped opening of scroll chuck makes progress all the time, the operating habit scroll chuck that has continued the workshop workman clamps the periphery of bend pipe/flange, and bend pipe/flange can level winches to the center of scroll chuck just can realize the self-centering clamping flange face.Workpiece does not need just can arrive desirable clamping position through moving axially substantially, operates extremely easyly, has shortened clamping time of workpiece greatly, has improved operating efficiency.
Described U-shaped pedestal casing is welded by mainboard, side plate, base plate and shrouding, described mainboard one end have with described support on corresponding U-lag.The U-shaped body structure helps the lifting of bend pipe/flange and stretching into of automatic welding gun, and the casing upper end is welded with hanger, can lift very easily.Base plate can be fixed on fot screw and make whole system more firm on the ground.
Described drive unit adopts servomotor.AC servo motor drives transition gear driven rotary gear ring and positioning and clamping mechanism and rotates after slowing down by reductor.Servomotor can provide accurate rotary speed, guarantees that operation process is steady, does not produce and pauses and jitter phenomenon.
Described U-shaped pedestal casing is provided with the operation control button, and with the operating grip that described U-shaped pedestal casing links to each other, operating grip can be implemented in apart from realizing control operation in the welding tooling certain distance scope, guarantees the safety of operating personnel in welding process.
The beneficial effect that the utility model reached: because scroll chuck clamping flange face, drive bend pipe/flange part rotation in the scroll chuck rotary course, the weld seam of the inside and outside both sides of flange is because very approaching from the scroll chuck of clamping, substantially ignored the circular runout of workpiece, in addition, what scroll chuck clamped is that (flange is that machine adds part to flange face, the precision height), inside and outside two weld seams and scroll chuck are on parallel surface, if an automatic welding gun is moved on on the outside fillet (weld) of bend pipe/flange, another welding gun extend on the inside fillet from scroll chuck, automation welding when just can realize two weld seams, substantially need not manually adjust the position of welding gun to weld seam in the welding process, efficient has improved twice at least.
Description of drawings
Fig. 1 is the stereogram of the utility model automatic circular seam welding pipe tongs;
Fig. 2 is the front view of the utility model U-shaped pedestal casing;
Fig. 3 is the front view of the utility model driving and rotating mechanism;
Fig. 4 is the left view of the utility model driving and rotating mechanism;
Fig. 5 is the front view of the utility model self-centering positioning and clamping mechanism;
Wherein: 1, U-shaped pedestal casing; 11, mainboard; 12, side plate; 13, base plate; 14 shroudings; 2, driving and rotating mechanism; 21, rotation gear ring; 22, supporting seat; 23, roller bearing; 24, transition gear; 25, drive unit; 26, hold out against driving; 27, support; 28, concave surface; 3, self-centering positioning and clamping mechanism; 31, top board; 32, three-jaw guiding mechanism; 33, scroll chuck; 34, regulate tie down screw; 35, guide plate; 36, guide pad; 37, chute; 4, workpiece.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Embodiment 1
As shown in Figure 1, automatic circular seam welding pipe tongs of the present utility model is a kind of welding tooling that is used for to the inside and outside angle automatic welding of circumferential seams of pipe fitting or flange, driving and rotating mechanism 2 one sides and U-shaped pedestal casing 1 are connected and fixed, driving is connected self-centering positioning and clamping mechanism 3 with rotating mechanism 2 opposite sides one end, and workpiece 4 is installed in the self-centering positioning and clamping mechanism 3.
As shown in Figure 2, U-shaped pedestal casing 1 is welded by mainboard 11, side plate 12, base plate 13 and shrouding 14, and described mainboard one end has U-lag.In order to strengthen the structural strength of casing, can also in position weld the reinforcement gusset.
As shown in Figure 3, Figure 4, described driving and rotating mechanism 2 comprise rotation gear ring 21, supporting seat 22, roller bearing 23, transition gear 24, drive unit 25, hold out against driving 26 and support 27, supporting seat 22, transition gear 23, drive unit 25, hold out against and drive 26 and be installed on the support 27 that has U-lag, the driving shaft of drive unit 25 is connected with transition gear 24, transition gear 24 and 21 external toothings of rotation gear ring.
As shown in Figure 5, self-centering positioning and clamping mechanism 3 comprises top board 31, three-jaw guiding mechanism 32, scroll chuck 33, regulate tie down screw 34, three-jaw guiding mechanism 32 comprises guide plate 35 and guide pad 36, guide plate 35 is a V-arrangement, middle bending part is hinged on the scroll chuck 33, scroll chuck 33 1 ends have with described support 27 on corresponding U-lag, also have little chute 37 on the scroll chuck 33, guide pad 36 places chute 37 perpendicular to scroll chuck 33 planes, adjacent guide plate is articulated in guide pad 36 1 ends, guide pad 36 other ends connect at interval top board 31 successively, regulate tie down screw 34 1 ends and move with guide pad 36 in the three-jaw guiding mechanism 32 and contact.
Regulate tie down screw 34 other ends and contact with holding out against driving 26 cooperations, holding out against and driving 26 is motor driver or pneumatic actuating device.Holding out against moves upward after driving 26 starts contacts with regulating tie down screw 34, promotes to regulate tie down screw 34 and contacts with three-jaw guiding mechanism 32, drives top boards 31 by three-jaw guiding mechanism 32 and moves clamping work pieces 4 to the center, 4 self-centerings of realization workpiece.Self-centering positioning and clamping mechanism 3 is mounted on by scroll chuck 33 in the concave surface of rotation gear ring 21 sides, moves in a circle with rotation gear ring 21, rotates thereby drive folded workpiece 4.
Embodiment 2
On the basis of embodiment 1, the more excellent embodiment of the utility model is that as shown in Figure 3-Figure 5, transition gear 23 is 5, external toothing mutually successively, two transition gears 23 and described rotation gear ring 21 external toothings at two ends.
Three-jaw guiding mechanism 32 comprises four guide plates 35 and five guide pads 36, and the chute 37 corresponding with guide pad 36 also is five, and the guide plate two ends all have U type groove, and the top board 31 that is connected at interval with guide pad 36 is three.
Hold out against and drive 26 and move upward after starting and regulate tie down screw 34 and contact, promoting to regulate tie down screw 34 contacts with the guide pad of five guide pad 36 centres in the three-jaw guiding mechanism 32, guide pad 36 in the middle of this is along chute 37 move upward (promptly to the workpiece centre motion), these guide pad 36 the right and lefts connect two guide plates 35, these two guide plates 35 also move upward with the end that the guide pad 36 of centre links to each other thereupon, because of guide plate 35V shape bending part and scroll chuck 33 hinged, therefore, when these two guide plates 35 wherein an end when chute 37 moves upward, the other end is inevitable to move downward (promptly transporting out of the workpiece centre motion) along chute 37, in like manner, the guide pad 36 that connects at other end place, guide plate 35 is also inevitable to be moved downward along chute 37 thereupon, and the like, because of guide plate 35V shape bending part and scroll chuck 33 hinged, the other end of this guide plate that moves downward 35 must move upward along chute 37 again, and the guide plate 35 that moves upward along chute 37 must drive the guide pad 36 that is attached thereto and move upward together.Totally 3 of the guide pads 36 of (promptly to workpiece centre motion) move upward in this three-jaw guiding mechanism 32, spaced apart, these 3 guide pads link to each other with top board 31 respectively, therefore, when guide pad 36 when workpiece centre is moved, drive top board 31 to workpiece centre motion clamping work pieces 4, realize workpiece 4 self-centerings.Self-centering positioning and clamping mechanism 3 is mounted on by scroll chuck 33 in the concave surface 28 of rotation gear ring 21 sides, moves in a circle with rotation gear ring 21, rotates thereby drive folded workpiece 4.All the other and embodiment 1 are identical.
The automatic circular seam welding pipe tongs course of work of the present utility model is as follows:
1) preparation before the weldering:
A. determine whether equipment can normally move;
B. after confirming, connect power supply, it is consistent with scroll chuck 33U shape channel opening and U-shaped pedestal casing 1U shape channel opening to regulate transition gear 24.
2) place pipe fitting:
When A. workpiece 4 hangs in, forbid the workpiece percussion device, in order to avoid damage equipment;
B. lift workpiece 4, workpiece is slowly put into from scroll chuck 33U shape channel opening, U-shaped pedestal casing 1U shape channel opening and support 27U shape channel opening, should avoid greater impact.
3) clamping work pieces
Startup holds out against and drives 26, by self-centering positioning and clamping mechanism 3 clamping work pieces 4.
4) workpiece rotation
A. start drive unit 25, make workpiece 4 rotations by driving and rotating mechanism 2, welding machine welds automatically;
B. when pipe wrench was in running order, the operator should use the handle control operation away from machine;
C. when machine run, should avoid foreign matter to fall into pipe wrench, in order to avoid damage pipe wrench.
5) unclamp push rod
A. after welding is finished, make driving and rotating mechanism 2 rotate back into initial position.
B. unclamp top board 31.
C. hang out workpiece 4 from opening part.
More than be a work tempo, circulation successively.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. automatic circular seam welding pipe tongs, comprise casing, drive and rotating mechanism, clamp mechanism, it is characterized in that: drive and the main body of rotating mechanism (2) is one to have the support (27) of U-lag, support (27) one sides and U-shaped pedestal casing (1) are connected and fixed, support (27) opposite side is provided with rotation gear ring (21), supporting seat (22), roller bearing (23), transition gear (24), drive unit (25), hold out against driving (26), the driving shaft of described drive unit (25) is connected with transition gear (24), described transition gear (24) and described rotation gear ring (21) external toothing, described rotation gear ring (21) is by the supporting seat (22) along rotation gear ring (21) circle distribution, roller bearing (23) supports, and self-centering positioning and clamping mechanism (3) is placed in the described rotation gear ring (21).
2. automatic circular seam welding pipe tongs according to claim 1, it is characterized in that: described rotation gear ring (21) is annular, one end has with described support (27) and goes up corresponding U-lag, described rotation gear ring (21) one sides are a step-like plane, inner ring is concave surface (28), the outer ring is a convex surface, and described self-centering positioning and clamping mechanism (3) is placed in the described concave surface (28).
3. automatic circular seam welding pipe tongs according to claim 2 is characterized in that: described roller bearing (23) is by axially form with two group roller bearings radially at least, and described roller bearing (23) is installed on the described supporting seat (22).
4. automatic circular seam welding pipe tongs according to claim 3 is characterized in that: described transition gear (24) is individual for odd number, external toothing mutually successively, two transition gears (24) at two ends and described rotation gear ring (21) external toothing.
5. automatic circular seam welding pipe tongs according to claim 2, it is characterized in that: described self-centering positioning and clamping mechanism (3) comprises top board (31), three-jaw guiding mechanism (32), scroll chuck (33), regulate tie down screw (34), described three-jaw guiding mechanism (32) comprises guide plate (35) and guide pad (36), described guide plate (35) is a V-arrangement, middle bending part is hinged on the described scroll chuck (33), described scroll chuck (33) one ends have with described rotation gear ring (21) and go up corresponding U-lag, also have little chute (37) on the described scroll chuck (33), described guide pad (36) places described chute (37) perpendicular to scroll chuck (33) plane, adjacent guide plate (35) is articulated in described guide pad (36) one ends, described guide pad (36) other end connects described top board (31) successively at interval, and described adjusting tie down screw (34) one ends contact with the described guide pad (36) in the described three-jaw guiding mechanism (32) is moving.
6. automatic circular seam welding pipe tongs according to claim 5 is characterized in that: described scroll chuck (33) is installed in the concave surface (28) of described rotation gear ring (21), and its U-lag opening is consistent with the U-lag opening direction of described rotation gear ring (21).
7. automatic circular seam welding pipe tongs according to claim 5, it is characterized in that: described three-jaw guiding mechanism (32) comprises four described guide plates (35) and five described guide pads (36), the chute (37) corresponding with described guide pad (36) also is five, and the described top board (31) that is connected at interval with described guide pad (36) is three.
8. automatic circular seam welding pipe tongs according to claim 5, it is characterized in that: described adjusting tie down screw (34) other end with hold out against driving (26) and cooperate and to contact, describedly hold out against driving (26) or for motor driver, or be pneumatic actuating device, or be fluid pressure drive device.
9. automatic circular seam welding pipe tongs according to claim 8, it is characterized in that: described U-shaped pedestal casing (1) is welded by mainboard (11), side plate (12), base plate (13) and shrouding (14), and described mainboard one end has with described support (27) and goes up corresponding U-lag.
10. automatic circular seam welding pipe tongs according to claim 9 is characterized in that: described drive unit is a servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202516731U CN201702540U (en) | 2010-07-08 | 2010-07-08 | Automatic pipe welding pliers for circular seams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202516731U CN201702540U (en) | 2010-07-08 | 2010-07-08 | Automatic pipe welding pliers for circular seams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201702540U true CN201702540U (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202516731U Expired - Lifetime CN201702540U (en) | 2010-07-08 | 2010-07-08 | Automatic pipe welding pliers for circular seams |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103121155A (en) * | 2013-03-21 | 2013-05-29 | 江苏勇龙电气有限公司 | Welding fixture of grading rings |
| CN103128475A (en) * | 2013-03-21 | 2013-06-05 | 江苏勇龙电气有限公司 | Welding clamp with double layers of grading rings |
| CN105171324A (en) * | 2015-07-22 | 2015-12-23 | 山东豪迈重工有限公司 | Three-jaw self-centering chuck clamping device |
| CN105382653A (en) * | 2015-12-16 | 2016-03-09 | 萍乡市伟达工业有限公司 | Circular seam polishing machine for bent tube |
| CN105397394A (en) * | 2015-12-02 | 2016-03-16 | 山东豪迈重工有限公司 | U-type self-centering slewing device adopting clamping bars |
| CN105397395A (en) * | 2015-12-02 | 2016-03-16 | 山东豪迈重工有限公司 | U-type self-centering slewing device adopting clamping jaws |
| CN105798341A (en) * | 2016-05-20 | 2016-07-27 | 常州龙腾光热科技股份有限公司 | Slotting chuck |
| CN106425268A (en) * | 2016-11-21 | 2017-02-22 | 刘钰千 | Automatic welding positioner |
| CN106514120A (en) * | 2016-11-21 | 2017-03-22 | 刘钰千 | Welding position-changing machine with travelling mechanisms |
| CN107283191A (en) * | 2017-08-11 | 2017-10-24 | 重庆真测科技股份有限公司 | Grasping system and clamp method for large-scale nearly cylindrical workpiece |
| CN107322232A (en) * | 2017-08-18 | 2017-11-07 | 重庆盛学科技有限公司 | A kind of large-size pipe automatic welding positioner |
| CN108907600A (en) * | 2018-08-08 | 2018-11-30 | 淮北阳光管业科技有限公司 | A kind of pipe fitting welding clamping apparatus |
| CN109202222A (en) * | 2018-11-22 | 2019-01-15 | 武汉市恒信泰采油设备制造有限公司 | A kind of more piece permanent magnet synchronous motor welder |
| CN109746613A (en) * | 2019-03-12 | 2019-05-14 | 林佳朋 | A kind of Intelligent welding system |
| CN110116288A (en) * | 2018-02-05 | 2019-08-13 | 海盐县铭新机械有限公司 | A kind of pipe fitting welding auxiliary device |
| CN114273955A (en) * | 2021-12-24 | 2022-04-05 | 万添安 | Positioning and feeding workbench for disc metal machining and workpiece positioning method |
| CN117001249A (en) * | 2023-09-06 | 2023-11-07 | 无锡新扬真空机械有限公司 | Vacuum tube welding fixture and welding method thereof |
-
2010
- 2010-07-08 CN CN2010202516731U patent/CN201702540U/en not_active Expired - Lifetime
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN103121155A (en) * | 2013-03-21 | 2013-05-29 | 江苏勇龙电气有限公司 | Welding fixture of grading rings |
| CN103128475A (en) * | 2013-03-21 | 2013-06-05 | 江苏勇龙电气有限公司 | Welding clamp with double layers of grading rings |
| CN103121155B (en) * | 2013-03-21 | 2016-02-03 | 江苏勇龙电气有限公司 | A kind of weld jig of grading ring |
| CN103128475B (en) * | 2013-03-21 | 2016-02-03 | 江苏勇龙电气有限公司 | A kind of weld jig of double-deck grading ring |
| CN105171324B (en) * | 2015-07-22 | 2017-09-29 | 山东豪迈机械制造有限公司 | Three-jaw self-centering chuck clamping device |
| CN105171324A (en) * | 2015-07-22 | 2015-12-23 | 山东豪迈重工有限公司 | Three-jaw self-centering chuck clamping device |
| CN105397394A (en) * | 2015-12-02 | 2016-03-16 | 山东豪迈重工有限公司 | U-type self-centering slewing device adopting clamping bars |
| CN105397395A (en) * | 2015-12-02 | 2016-03-16 | 山东豪迈重工有限公司 | U-type self-centering slewing device adopting clamping jaws |
| CN105382653A (en) * | 2015-12-16 | 2016-03-09 | 萍乡市伟达工业有限公司 | Circular seam polishing machine for bent tube |
| CN105798341A (en) * | 2016-05-20 | 2016-07-27 | 常州龙腾光热科技股份有限公司 | Slotting chuck |
| CN105798341B (en) * | 2016-05-20 | 2018-01-02 | 常州龙腾光热科技股份有限公司 | One kind fluting chuck |
| CN106425268A (en) * | 2016-11-21 | 2017-02-22 | 刘钰千 | Automatic welding positioner |
| CN106514120A (en) * | 2016-11-21 | 2017-03-22 | 刘钰千 | Welding position-changing machine with travelling mechanisms |
| CN106425268B (en) * | 2016-11-21 | 2018-05-29 | 刘钰千 | Self-action positioner |
| CN106514120B (en) * | 2016-11-21 | 2018-06-01 | 刘钰千 | A kind of positioner with walking mechanism |
| CN107283191A (en) * | 2017-08-11 | 2017-10-24 | 重庆真测科技股份有限公司 | Grasping system and clamp method for large-scale nearly cylindrical workpiece |
| CN107283191B (en) * | 2017-08-11 | 2023-05-30 | 重庆真测科技股份有限公司 | Clamping system and clamping method for large-sized near-cylindrical workpiece |
| CN107322232A (en) * | 2017-08-18 | 2017-11-07 | 重庆盛学科技有限公司 | A kind of large-size pipe automatic welding positioner |
| CN110116288A (en) * | 2018-02-05 | 2019-08-13 | 海盐县铭新机械有限公司 | A kind of pipe fitting welding auxiliary device |
| CN110116288B (en) * | 2018-02-05 | 2024-02-27 | 海盐县铭新机械有限公司 | Pipe fitting welding auxiliary device |
| CN108907600A (en) * | 2018-08-08 | 2018-11-30 | 淮北阳光管业科技有限公司 | A kind of pipe fitting welding clamping apparatus |
| CN109202222A (en) * | 2018-11-22 | 2019-01-15 | 武汉市恒信泰采油设备制造有限公司 | A kind of more piece permanent magnet synchronous motor welder |
| CN109202222B (en) * | 2018-11-22 | 2024-03-12 | 武汉市恒信泰采油设备制造有限公司 | Multi-section permanent magnet synchronous motor welding device |
| CN109746613A (en) * | 2019-03-12 | 2019-05-14 | 林佳朋 | A kind of Intelligent welding system |
| CN114273955A (en) * | 2021-12-24 | 2022-04-05 | 万添安 | Positioning and feeding workbench for disc metal machining and workpiece positioning method |
| CN117001249A (en) * | 2023-09-06 | 2023-11-07 | 无锡新扬真空机械有限公司 | Vacuum tube welding fixture and welding method thereof |
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