CN106141418A - The flexible steel pipe agitating friction soldering set started and welding method - Google Patents
The flexible steel pipe agitating friction soldering set started and welding method Download PDFInfo
- Publication number
- CN106141418A CN106141418A CN201610640749.1A CN201610640749A CN106141418A CN 106141418 A CN106141418 A CN 106141418A CN 201610640749 A CN201610640749 A CN 201610640749A CN 106141418 A CN106141418 A CN 106141418A
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- welding
- gripper shoe
- main shaft
- head
- torque sensor
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/123—Controlling or monitoring the welding process
-
- 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
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a kind of flexible steel pipe agitating friction soldering set started, it is sequentially provided with cover plate in the enclosure, first gripper shoe, second gripper shoe and the 3rd gripper shoe, in described first gripper shoe, mair motor is installed, cover plate is hinged on housing, cover plate is provided with arc groove, by locking cover plate, mair motor is fixed in the first gripper shoe by the arc groove of cover plate, in second gripper shoe, dynamic torque sensor is installed, 3rd gripper shoe is provided with vibrating sensor, mair motor is connected with main shaft by dynamic torque sensor, main shaft is cased with rotary sleeve, bearing is installed on rotary sleeve, bearing is positioned at support seat, rotary sleeve is connected with main shaft, main shaft bottom is connected with stirring-head, it is provided with flame preheating device along the welding direction of weld seam at stirring-head.The flexible steel pipe agitating friction soldering set started of the present invention, according to feedback signal adjustable flame the preheating degree, beneficially welding region plasticizing metal of vibration and torque sensor.
Description
Technical field
The present invention relates to steel pipe agitating friction soldering set and the welding method of flexible startup, belong to agitating friction weldering field.
Background technology
From Britain's institute of welding (TWI) since 1991 have invented friction stir welding method, this technology is because of it
Welding deformation is little, residual stress is little, it is not necessary to protective gas and packing material, can eliminate pore, be mingled with, the weld defect such as crackle,
And do not produce arc light, flue dust, noise pollution etc., cost can be significantly reduced simultaneously, save material, optimize structure, alleviate flight
The features such as the construction weight of device are paid close attention to by scientific research institution of various countries.Owing to this technology has not available for a lot of other method
Distinguishing feature, it is used for space industry soon, and the welding of a new generation's carrier rocket core level tank cylinder section longitudinal joint is selected exactly
In this way.Although utilizing friction stir welding method can obtain high-quality welding point, but steel pipe is being carried out
During welding, however it remains a lot of difficult points.
Needs welding region is preheated by patent (application number 201410792391.5) by auxiliary thermal source, until weldering
Connect material reach plasticizing or alloyed state after, friction-stir head carries out friction welding (FW) again along auxiliary heating source for heating path
Connect, i.e. this method needs to be plastified completely by welding material first by auxiliary thermal source, and then stirring-head welds again, but this
Individual patent does not propose how to regulate the auxiliary thermal source in welding process；Patent (application number 201210564760.6) employs tool
There is the heating compartment of heater strip, it would be desirable to be stirred after the heating before the steel plate of friction welding welds and welding is cold
But, it is apparent that the heater required for this method is huge and the suitability is the strongest；In addition with patent (application number
201210592979.7) laser and agitating friction are welded this compound welding technology and be applied to the welded plate that material is harder, in weldering
The back side of fishplate bar and front arrange laser beam, but laser system is relatively costly and energy is excessively concentrated, it is difficult to welding front
Large area carries out overall preheating.Therefore design one not only possessed traditional agitating friction head welding function, but also can be at utmost
Avoid the abrasion of stirring-head overstress, the soldering set that can carry out again steel-pipe welding becomes one extremely urgent important
Business.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention proposes a kind of flexible steel pipe started and stirs
Mix friction soldering set and welding method, according to the feedback signal adjustable flame preheating degree of vibration and torque sensor, be conducive to
Welding region plasticizing metal.
Technical scheme: for solving above-mentioned technical problem, a kind of flexible steel pipe agitating friction soldering set started of the present invention, bag
Include shell, be sequentially provided with cover plate, the first gripper shoe, the second gripper shoe and the 3rd gripper shoe, described first gripper shoe in the enclosure
On mair motor is installed, cover plate is hinged on housing, and cover plate is provided with arc groove, and by locking cover plate, the arc groove of cover plate will
Mair motor is fixed in the first gripper shoe, and the motor shaft of mair motor is connected with main shaft by between centers permanent magnet coupling mechanism, and between centers is forever
Magnetic coupling comprises interior p-m rotor and outer p-m rotor, and interior p-m rotor is fixing with motor shaft to be connected, outer p-m rotor and
Main shaft is fixing to be connected, and the second gripper shoe is provided with dynamic torque sensor, is provided with vibrating sensor in the 3rd gripper shoe,
Dynamic torque sensor is connected with main shaft, is fixed with rotary sleeve on main shaft, and rotary sleeve is provided with pair of bearings, and bearing is positioned at
Supporting in seat, separated by the first packing ring between bearing, bearing is spacing by the second packing ring, and main shaft bottom is connected with stirring-head,
It is provided with flame preheating device along the welding direction of weld seam at stirring-head.
As preferably, described vibrating sensor and dynamic torque sensor are all connected with controller, and controller is pre-with flame
Thermal connects.
The welding method of a kind of above-mentioned flexible steel pipe agitating friction soldering set started, comprises the following steps:
(1) according to order from bottom to top, after main shaft is passed rotary sleeve, bearing, dynamic torque sensor, with mair motor
Output shaft connect, main shaft is connected with rotary sleeve；
(2) whether test dynamic torque sensor and vibrating sensor have data to export, and turn next step, if the most just as normal
Often, carry out detecting and debugging normally；
(3) test flame preheating device is the most normal, turns next step as normal, as abnormal, replace or keep in repair to normally
After carry out next step；
(4) it is connected fixing to stirring-head and main shaft.
(5) whole soldering set is fixed on the head of friction stir welding machine；
(6) by dynamic torque sensor, vibrating sensor energising；
(7) start welding machine mair motor, make agitating friction soldering set rotate, concurrently set moment of torsion and vibration threshold scope；
(8) whole soldering set begins to decline, and when stirring-head comes into contact with workpiece, starts to record dynamic torque sensor, shake
The output of dynamic sensor, when depression depths reaches desired value, enters initial warm-up phase；
(9), after initial warm-up phase terminates, flame preheating device is started working；
(10) stirring-head starts mobile, in welding process, according to vibrating sensor and the output of dynamic torque sensor, when
The welding moment of torsion moment of torsion max-thresholds more than 1.2 times, strengthens the pre-calorific intensity of flame；When welding moment of torsion is in threshold range, vibration
When amplitude exceedes amplitude, reduce the pre-calorific intensity of flame；When welding moment of torsion and vibration amplitude are less than threshold range, increase welding speed
Degree；When the welding moment of torsion peak torque threshold value less than 1.2 times, vibration amplitude, in threshold range, maintains current welding parameter not
Become；
(11) after welding terminates, stop flame preheating device, promote soldering set, make agitating friction head depart from workpiece, welding knot
Bundle, pulls down stirring-head.
In the present invention, vibrating sensor is for detecting the Vibration Condition of welding direction.The output signal bag of this sensor
Include following information: the plasticizing situation of welding region metal, stirring-head be the operative condition of institute's stress in welding direction.Plasticizing journey
Spend higher metal under the stirring action of stirring-head, easily form weld seam and less to the inhibition power of stirring-head；Plasticizing journey
Spend relatively low weld metal and can cause vibrating relatively big, and vibration signal is unstable.The output of dynamic torque sensor include with
Lower information: when welding region plastic deformation is poor, torque value is bigger；When welding region plastic deformation is preferable, moment of torsion is less.
In the present invention, the power that flame leaves the distance i.e. adjustable flame preheating of workpiece is adjusted.Flame preheating device
Effect be that the region that will weld is heated, alleviate the workload of stirring-head.But pre-thermal-flame must from workpiece
Certain distance must be kept, with on the premise of ensureing non-fusible metal, the most fully heat metal to be welded.When being welded to flat board limit
During edge, stop flame preheating device, in order to avoid waste flame and injury backboard.
Beneficial effect: compared with prior art, the invention have the advantages that
(1) this is a kind of new-type friction stir welding tools, according to vibration and the feedback signal scalable of torque sensor
Flame preheating degree, beneficially welding region plasticizing metal.
(2) output signal of dynamic torque sensor and vibrating sensor reflects welding region plasticizing metal degree and weldering
Termination process steady statue.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the between centers permanent magnet coupling mechanism in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
Shown in as depicted in figs. 1 and 2, a kind of flexible steel pipe agitating friction soldering set started of the present invention, including shell,
It is sequentially provided with cover plate, the first gripper shoe, the second gripper shoe and the 3rd gripper shoe in shell, described first gripper shoe is provided with master
Motor 1, cover plate 5 is hinged on housing, and cover plate 5 is provided with arc groove, and by locking cover plate 5, the arc groove of cover plate 5 is by mair motor
1 is fixed in the first gripper shoe, and the motor shaft of mair motor 1 is connected with main shaft 11 by between centers permanent magnet coupling mechanism 20, and between centers is forever
Magnetic coupling 20 comprises interior p-m rotor 202 and outer p-m rotor 205, and interior p-m rotor 202 is fixing with motor shaft to be connected, outward
P-m rotor 205 is fixing with main shaft 11 to be connected, and interior p-m rotor 202 comprises internal rotor carrier 202 and is positioned at internal rotor carrier 202
The first interior permanent magnet 203, outer p-m rotor 205 comprises outer rotor carrier 205 and the second permanent magnet 204, in the second gripper shoe
Being provided with dynamic torque sensor 2, be provided with vibrating sensor 3 in the 3rd gripper shoe, mair motor 1 is sensed by dynamic torque
Device 2 is connected with main shaft 11, is cased with rotary sleeve 7, rotary sleeve 7 is provided with pair of bearings on main shaft 11, and bearing is positioned at support seat
In, being separated by the first packing ring between bearing, bearing is spacing by the second packing ring 4, and main shaft 11 bottom is connected with stirring-head 8,
Stirring-head 8 is provided with flame preheating device 10, described vibrating sensor 3 and dynamic torque sensor 2 along the welding direction of weld seam
All being connected with controller, controller is connected with flame preheating device 10.
In the present invention, mair motor 1 can use the permanent magnet motor that compact conformation, output torque are bigger；Dynamic torque passes
Sensor 2 can use conventional model on the market；Vibrating sensor 3 can use acceleration transducer conventional on the market；Rotary sleeve 7 can
Employing ordinary carbon steel makes；Stirring-head then uses high temperature alloy to be processed；Flame preheating device 10 can use conventional acetylene fire
Flame device, flame preheating device 10 is linked together with shell by bracing frame, is synchronized with the movement with shell.
The welding method of a kind of above-mentioned flexible steel pipe agitating friction soldering set started, it is characterised in that include following step
Rapid:
(1) according to order from bottom to top, after main shaft 11 is passed rotary sleeve 7, bearing 5, dynamic torque sensor 2, with
The output shaft of mair motor 1 connects, and is connected with rotary sleeve 7 by main shaft 11；
(2) whether test dynamic torque sensor 2 and vibrating sensor 3 have data to export, and turn next step, if or not normal
Normally, carry out detecting and debugging normally；
(3) test flame preheating device 10 is the most normal, turns next step as normal, as abnormal, replace or keep in repair to just
Next step is carried out after Chang；
(4) it is connected fixing with main shaft 11 for stirring-head 8；
(5) whole soldering set is fixed on the head of friction stir welding machine；
(6) dynamic torque sensor 2, vibrating sensor 3 are energized；
(7) start welding machine mair motor 1, make agitating friction soldering set rotate, concurrently set moment of torsion and vibration threshold scope；
(8) whole soldering set begins to decline, when stirring-head 8 comes into contact with workpiece 9, start to record dynamic torque sensor 2,
The output of vibrating sensor 3, when depression depths reaches desired value, enters initial warm-up phase；
(9), after initial warm-up phase terminates, flame preheating device 10 is started working；
(10) stirring-head starts mobile, in welding process, according to vibrating sensor and the output of dynamic torque sensor, when
The welding moment of torsion moment of torsion max-thresholds more than 1.2 times, strengthens the pre-calorific intensity of flame；When welding moment of torsion is in threshold range, vibration
When amplitude exceedes amplitude, reduce the pre-calorific intensity of flame；When welding moment of torsion and vibration amplitude are less than threshold range, increase welding speed
Degree；When the welding moment of torsion peak torque threshold value less than 1.2 times, vibration amplitude, in threshold range, maintains current welding parameter not
Become；
(11) after welding terminates, stop flame preheating device 10, promote soldering set, make agitating friction head depart from workpiece 9, welding
Terminate, pull down stirring-head 8.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (3)
1. the flexible steel pipe agitating friction soldering set started, it is characterised in that: include shell, be sequentially provided with lid in the enclosure
Plate, the first gripper shoe, the second gripper shoe and the 3rd gripper shoe, described first gripper shoe is provided with mair motor, and cover plate is hinged on
On housing, cover plate is provided with arc groove, and by locking cover plate, mair motor is fixed in the first gripper shoe by the arc groove of cover plate,
The motor shaft of mair motor is connected with main shaft by between centers permanent magnet coupling mechanism, between centers permanent magnet coupling mechanism comprise interior p-m rotor with
Outer p-m rotor, interior p-m rotor is fixing with motor shaft to be connected, and outer p-m rotor is fixing with main shaft to be connected, and the second gripper shoe is pacified
Equipped with dynamic torque sensor, being provided with vibrating sensor in the 3rd gripper shoe, dynamic torque sensor is connected with main shaft,
Being fixed with rotary sleeve on main shaft, rotary sleeve is provided with pair of bearings, bearing is positioned at support seat, by the first pad between bearing
Circle separates, and bearing is spacing by the second packing ring, and main shaft bottom is connected with stirring-head, sets along the welding direction of weld seam at stirring-head
There is flame preheating device.
The flexible steel pipe agitating friction soldering set started the most according to claim 1, it is characterised in that: described vibrating sensor
All being connected with controller with dynamic torque sensor, controller is connected with flame preheating device.
3. a welding method for the flexible steel pipe agitating friction soldering set started as claimed in claim 1 or 2, its feature exists
In, comprise the following steps:
(1) according to order from bottom to top, by main shaft through after rotary sleeve, bearing, dynamic torque sensor, defeated with mair motor
Shaft connects, and is connected with rotary sleeve by main shaft, and mair motor is fixed in the first gripper shoe by cover plate；
(2) whether test dynamic torque sensor and vibrating sensor have data to export, and turn next step as normal, as abnormal,
Carry out detecting and debugging normally；
(3) test flame preheating device is the most normal, turns next step as normal, as abnormal, replace or keep in repair to the most laggard
Go next step；
(4) it is connected fixing to stirring-head and main shaft；
(5) whole soldering set is fixed on the head of friction stir welding machine；
(6) by dynamic torque sensor, vibrating sensor energising；
(7) start welding machine mair motor, make agitating friction soldering set rotate, concurrently set moment of torsion and vibration threshold scope；
(8) whole soldering set begins to decline, and when stirring-head comes into contact with workpiece, starts to record dynamic torque sensor, vibration biography
The output of sensor, when depression depths reaches desired value, enters initial warm-up phase；
(9), after initial warm-up phase terminates, flame preheating device is started working；
(10) stirring-head starts mobile, in welding process, according to vibrating sensor and the output of dynamic torque sensor, works as welding
The moment of torsion moment of torsion max-thresholds more than 1.2 times, strengthens the pre-calorific intensity of flame；When welding moment of torsion is in threshold range, vibration amplitude
When exceeding amplitude, reduce the pre-calorific intensity of flame；When welding moment of torsion and vibration amplitude are less than threshold range, increase speed of welding；When
The welding moment of torsion peak torque threshold value less than 1.2 times, vibration amplitude, in threshold range, maintains current welding parameter constant；
(11) after welding terminates, stopping flame preheating device, promote soldering set, make agitating friction head depart from workpiece, welding terminates, and tears open
Lower stirring-head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640749.1A CN106141418A (en) | 2016-08-06 | 2016-08-06 | The flexible steel pipe agitating friction soldering set started and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640749.1A CN106141418A (en) | 2016-08-06 | 2016-08-06 | The flexible steel pipe agitating friction soldering set started and welding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106141418A true CN106141418A (en) | 2016-11-23 |
Family
ID=57329182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610640749.1A Withdrawn CN106141418A (en) | 2016-08-06 | 2016-08-06 | The flexible steel pipe agitating friction soldering set started and welding method |
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| Country | Link |
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| CN (1) | CN106141418A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134676A (en) * | 2021-03-16 | 2021-07-20 | 哈尔滨工业大学 | Automatic tool changing system for friction stir welding |
| CN116275459A (en) * | 2023-04-25 | 2023-06-23 | 惠州市华盛源机电有限公司 | Welding equipment for friction welding |
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| US20090294511A1 (en) * | 2008-05-30 | 2009-12-03 | Vanderbilt University | Lateral position detection for friction stir systems |
| CN101972892A (en) * | 2010-10-28 | 2011-02-16 | 西北工业大学 | Multifunctional friction welding table |
| KR20110116786A (en) * | 2010-04-20 | 2011-10-26 | 주식회사 윈젠 | Polysilicon manufacturing electrode, apparatus for welding polysilicon manufacturing electrode and method for welding thereof |
| CN102601517A (en) * | 2012-04-06 | 2012-07-25 | 江苏科技大学 | Same-direction different-speed double-shoulder stir friction welding device and application method |
| CN103273190A (en) * | 2013-05-17 | 2013-09-04 | 江苏科技大学 | Static double-shaft-shoulder stirring friction head used for stirring friction welding machine |
| CN203955128U (en) * | 2014-06-27 | 2014-11-26 | 浙江圣诺盟顾家海绵有限公司 | The raw-material magnetic stirring apparatus of a kind of sponge |
| CN104985320A (en) * | 2015-06-23 | 2015-10-21 | 唐远金 | Friction-stir welding equipment |
| CN205043337U (en) * | 2015-10-09 | 2016-02-24 | 航天工程装备（苏州）有限公司 | Welding machine with permanent pressure control friction stir welding aircraft nose |
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2016
- 2016-08-06 CN CN201610640749.1A patent/CN106141418A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090294511A1 (en) * | 2008-05-30 | 2009-12-03 | Vanderbilt University | Lateral position detection for friction stir systems |
| KR20110116786A (en) * | 2010-04-20 | 2011-10-26 | 주식회사 윈젠 | Polysilicon manufacturing electrode, apparatus for welding polysilicon manufacturing electrode and method for welding thereof |
| CN101972892A (en) * | 2010-10-28 | 2011-02-16 | 西北工业大学 | Multifunctional friction welding table |
| CN102601517A (en) * | 2012-04-06 | 2012-07-25 | 江苏科技大学 | Same-direction different-speed double-shoulder stir friction welding device and application method |
| CN103273190A (en) * | 2013-05-17 | 2013-09-04 | 江苏科技大学 | Static double-shaft-shoulder stirring friction head used for stirring friction welding machine |
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| CN104985320A (en) * | 2015-06-23 | 2015-10-21 | 唐远金 | Friction-stir welding equipment |
| CN205043337U (en) * | 2015-10-09 | 2016-02-24 | 航天工程装备（苏州）有限公司 | Welding machine with permanent pressure control friction stir welding aircraft nose |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134676A (en) * | 2021-03-16 | 2021-07-20 | 哈尔滨工业大学 | Automatic tool changing system for friction stir welding |
| CN116275459A (en) * | 2023-04-25 | 2023-06-23 | 惠州市华盛源机电有限公司 | Welding equipment for friction welding |
| CN116275459B (en) * | 2023-04-25 | 2023-11-17 | 惠州市华盛源机电有限公司 | Welding equipment for friction welding |
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Application publication date: 20161123 |