CN104646802B - A kind of motor for submerged pump stator end ring interior welding device and welding method - Google Patents
A kind of motor for submerged pump stator end ring interior welding device and welding method Download PDFInfo
- Publication number
- CN104646802B CN104646802B CN201510053210.1A CN201510053210A CN104646802B CN 104646802 B CN104646802 B CN 104646802B CN 201510053210 A CN201510053210 A CN 201510053210A CN 104646802 B CN104646802 B CN 104646802B
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- China
- Prior art keywords
- welding gun
- head
- arc
- gun head
- arc welding
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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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of motor for submerged pump stator end ring interior welding device, including rotating basis and welding gun bracing frame, the first arc welding gun head be arrangeding in parallel it is fixed with on welding gun bracing frame, second arc welding gun head and the 3rd arc welding gun head, protection gas blowout head it is provided with between the first arc welding gun head and the second arc welding gun head, the outside of rotating basis is provided with several arc spacers, it is connected by several first spring bodies between arc spacer and rotating basis, it is provided with fixture on welding gun bracing frame, the sidewall of fixture is provided with rubber layer, several the second spring bodies it are provided with between rubber layer and fixture, the bottom of rubber layer is hinged with location bar, the bottom of location bar is provided with sliding sleeve, sliding sleeve is slidably connected with arc spacer.Present invention also offers the manufacture method of a kind of above-mentioned thrust shaft block, worked by the interior welds having welded stator for three times.The present invention can solve the problem that the deficiencies in the prior art, improves the product yield of stator end ring interior welds.
Description
Technical field
The present invention relates to motor stator welding technology field, especially a kind of motor for submerged pump stator
End ring interior welding device and welding method.
Background technology
Motor for submerged pump stator terminal boxing is connected on two ends and the immersible pump method of motor for submerged pump stator
Blue being connected, it requires to carry out inside and outside two sides full weld, it is impossible to exist sand holes, solder skip, crack,
The weld defects such as seaming, its welding quality directly affects the assembling quality of motor for submerged pump.
At present, motor stator end ring welding the most two-sided commonly used automatic soldering technique, internal
Welding compared with the welding of outside, limited by stator Workpiece structure, weld job space is little, directly
Affect welding efficiency and welding quality.In prior art, the process for interior welds is only
Realized by the relative motion of weldering device with workpiece, there is no essential distinction with outside weldings.
But, owing to cannot welding situation for weld seam carry out intuitively intuitively during interior welds
Detection, cause interior welds quality to be unable to reach the level of outside weldings.
Summary of the invention
The technical problem to be solved in the present invention is to provide inside a kind of motor for submerged pump stator end ring
Welder and welding method, it is possible to solve the deficiencies in the prior art, improve in stator end ring
The product yield of portion's welding.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows.
A kind of motor for submerged pump stator end ring interior welding device, props up including rotating basis and welding gun
Support, welding gun bracing frame is fixed with weldering device, and described weldering device includes be arrangeding in parallel
First arc welding gun head, the second arc welding gun head and the 3rd arc welding gun head, the first arc welding gun head, the second arc welding gun head and
3rd arc welding gun head is connected to welding gun bracing frame by cylinder respectively, in the first arc welding gun head and the second weldering
Being provided with protection gas blowout head between rifle head, the outside of rotating basis is provided with several arcs location
Sheet, is connected by several first spring bodies between arc spacer and rotating basis, and welding gun props up
Being provided with fixture on support, the sidewall of fixture is provided with rubber layer, sets between rubber layer and fixture
It is equipped with several the second spring bodies, weldering device and rubber layer interference fit, the bottom of rubber layer
Being hinged with location bar, the bottom of location bar is provided with sliding sleeve, and sliding sleeve slides even with arc spacer
Connect.
As a preferred technical solution of the present invention, described first arc welding gun head includes the first electric discharge
Head, the outside of the first discharge head is provided with electric discharge circle.
As a preferred technical solution of the present invention, described second arc welding gun head includes the second electric discharge
Head, the lateral symmetry of the second discharge head is provided with two the 3rd discharge heads.
As a preferred technical solution of the present invention, described 3rd arc welding gun head includes nine in square
4th discharge head of shape arrangement, the rectangle being made up of the 4th discharge head has three row and three row, phase
The adjacent distance between the 4th discharge head is equal.
As a preferred technical solution of the present invention, described protection gas blowout head includes being arranged concentrically
Argon pipeline and nitrogen pipeline, nitrogen pipeline is positioned at the outside of argon pipeline.
A kind of welding method for above-mentioned latent motor for submerged pump stator end ring interior welding device,
Comprise the following steps:
A, general's welding workpiece fixed placement, on rotating basis, adjust welding gun bracing frame so that
Weldering device is positioned at position while welding；
B, carry out spot welding, determining between adjacent welds in commissure first by the first arc welding gun head
Sub-surface arc length controls at 2.5mm～4.5mm；
C, open protection gas nozzle switch, protection gas protection under use the second arc welding gun head pair
Weld seam carries out welding for the first time；
D, the open mode of holding protector shower nozzle, use the 3rd weldering under the protection of protection gas
Rifle head butt welded seam carries out second time and welds
As a preferred technical solution of the present invention, the degree of depth and second of welding of described first time
The ratio of the degree of depth of secondary welding is 2:3, for the first time the width of welding and the width welded for the second time it
Ratio is 5:3.
What employing technique scheme was brought has the beneficial effects that: the present invention is welded by improvement
The structure of device, welds internal weld seam by the way of three welding, can be effective
Ground improves the welding uniformity of weld seam, reduces the probability of happening of weld defect.Rotating basis and folder
Have is connected with each other cooperation, and weldering device can be made same when rotating basis generation center displacement
Step ground carries out eccentric mobile, such that it is able to solve in prior art in order to avoid rotary part occurs
Bias is mobile and must reduce the problem of rotary speed, improves welding efficiency.
Accompanying drawing explanation
Fig. 1 is the structure chart of one detailed description of the invention of the present invention.
Fig. 2 is the structure chart of weldering device in one detailed description of the invention of the present invention.
Fig. 3 is the structure chart of the first arc welding gun head in one detailed description of the invention of the present invention.
Fig. 4 is the structure chart of the second arc welding gun head in one detailed description of the invention of the present invention.
Fig. 5 is the structure chart of the 3rd arc welding gun head in one detailed description of the invention of the present invention.
Fig. 6 is the structure chart of protector shower nozzle in one detailed description of the invention of the present invention.
In figure: 1, rotating basis；2, welding gun bracing frame；3, weldering device；4, the first weldering
Rifle head；5, the second arc welding gun head；6, the 3rd arc welding gun head；7, cylinder；8, protection gas blowout head；
9, arc spacer；10, the first spring body；11, fixture；12, the second spring body；13、
Rubber layer；14, location bar；15, sliding sleeve；16, the first discharge head；17, electric discharge circle；18、
Second discharge head；19, the 3rd discharge head；20, the 4th discharge head；21, argon pipeline；22、
Nitrogen pipeline；23, reducing；24, annular bypass；25, whirlwind sheet；26, through hole.
Detailed description of the invention
The standardized element used in the present invention all can commercially, and shaped piece is according to saying
The record with accompanying drawing of bright book all can carry out customized, and the concrete connected mode of each part is all adopted
With bolt, rivet ripe in prior art, weld, the conventional means such as stickup, at this no longer
Describe in detail.
Referring to accompanying drawing 1-6, this specific embodiment includes rotating basis 1 and welding gun bracing frame 2,
Being fixed with weldering device 3 on welding gun bracing frame 2, described weldering device 3 includes be arrangeding in parallel
First arc welding gun head the 4, second arc welding gun head 5 and the 3rd arc welding gun head 6, the first arc welding gun head 4, second
Arc welding gun head 5 and the 3rd arc welding gun head 6 are connected to welding gun bracing frame 2 by cylinder 7 respectively, the
Protection gas blowout 8 it is provided with between one arc welding gun head 4 and the second arc welding gun head 5, rotating basis 1
Outside is provided with several arc spacers 9, logical between arc spacer 9 and rotating basis 1
Cross several first spring bodies 10 to connect, welding gun bracing frame 2 is provided with fixture 11, fixture
The sidewall of 11 is provided with rubber layer 13, is provided with several between rubber layer 13 and fixture 11
Second spring body 12 weldering device 3 and rubber layer 13 interference fit, the bottom of rubber layer 13
Being hinged with location bar 14, the bottom of location bar 14 is provided with sliding sleeve 15, sliding sleeve 15 and arc
Spacer 9 is slidably connected.Described first arc welding gun head 4 includes the first discharge head 16, and first puts
The outside of dateline 16 is provided with electric discharge circle 17, and the external diameter of electric discharge circle 17 is 0.75mm, and first
Discharge head 16 and electric discharge circle 17 contour settings, its height is 3.5mm.Second arc welding gun head 5 wraps
Including the second discharge head 18, the lateral symmetry of the second discharge head 18 is provided with two the 3rd discharge heads
19, the second discharge head 18 is vertically arranged, and the 3rd discharge head 19 is towards the second discharge head 18
Direction is obliquely installed, and the angle between the second discharge head 18 and the 3rd discharge head 19 is 15 °,
The height of the second discharge head 18 is 3.25mm, and the height of the 3rd discharge head 19 is 2.95mm,
The top of the second discharge head 18 and the distance from top of the 3rd discharge head 19 are 0.25mm.3rd
Arc welding gun head 6 includes the 4th discharge head 20 of nine rectangular arrangements, by the 4th discharge head 20 groups
The rectangle become has three row and three row, and the adjacent distance between the 4th discharge head 20 is equal,
The height of the 4th discharge head 20 is 3.65mm, and the distance of two the 4th discharge heads 20 that are connected is
0.4mm.Protection gas blowout 8 includes argon pipeline 21 and the nitrogen pipeline 22 being arranged concentrically,
Nitrogen pipeline 22 is positioned at the outside of argon pipeline 21, and the exit of argon pipeline 21 is provided with
Reducing 23, the outside of reducing 23 is provided with annular bypass 24, reducing 23 and annular bypass 24
Between angle be 25 °, be provided with whirlwind sheet 25, nitrogen pipeline 22 in nitrogen pipeline 22
Sidewall horizontal be provided with through hole 26.
A kind of welding side using above-mentioned latent motor for submerged pump stator end ring interior welding device
Method, comprises the following steps:
A, general's welding workpiece fixed placement, on rotating basis 1, adjust welding gun bracing frame 2,
Weldering device 3 is made to be positioned at position while welding；
B, carry out spot welding first by the first arc welding gun head 4 in commissure, between adjacent welds
Stator surface arc length controls at 2.5mm～4.5mm, the electric current of welding control at 85A～
90A, the fixation pressure outside stator is 320MPa；
C, open protection gas blowout head (8) switch, protection gas protection under use the second welding gun
Head (5) butt welded seam carries out welding for the first time, and argon flow velocity is 0.55L/min, the stream of nitrogen
Speed is 4.5L/min, and welding current control is at 55A～57A, and speed of welding controls at 15mm/s,
Fixation pressure outside stator is 50MPa, and weld penetration is 0.25mm, and weld width is
0.3mm；
D, keep the open mode of protector shower nozzle (8), under the protection of protection gas, use the
Three arc welding gun heads (6) butt welded seam carries out second time and welds, and argon flow velocity is 0.55L/min, nitrogen
The flow velocity of gas is 4.5L/min, and welding current control controls in 66A～65A, speed of welding
10mm/s, the fixation pressure outside stator is 200MPa, for the first time the degree of depth and second of welding
The ratio of the degree of depth of secondary welding is 2:3, for the first time the width of welding and the width welded for the second time it
Ratio is 5:3.
The present invention can improve the quality of welding, and accelerates welding efficiency, reduces argon simultaneously
Usage amount, cost-effective.By the test of 1000 samples, the occurrence rate of weld defect point
It is reduced to 2 ‰ once by the 8 ‰ of prior art.Meanwhile, shorten the weld interval of single workpiece
More than 20%, the usage amount of argon reduces more than 80%.
Foregoing description is only used as the enforceable technical scheme of the present invention and proposes, not as to its technology
The single restrictive condition of scheme itself.
Claims (7)
- null1. a motor for submerged pump stator end ring interior welding device，Including rotating basis (1) and welding gun bracing frame (2)，Weldering device (3) it is fixed with on welding gun bracing frame (2)，It is characterized in that: described weldering device (3) includes the first arc welding gun head (4) be arrangeding in parallel、Second arc welding gun head (5) and the 3rd arc welding gun head (6)，First arc welding gun head (4)、Second arc welding gun head (5) and the 3rd arc welding gun head (6) are connected to welding gun bracing frame (2) by cylinder (7) respectively，Protection gas blowout head (8) it is provided with between the first arc welding gun head (4) and the second arc welding gun head (5)，The outside of rotating basis (1) is provided with several arc spacers (9)，It is connected by several first spring bodies (10) between arc spacer (9) with rotating basis (1)，Fixture (11) it is provided with on welding gun bracing frame (2)，The sidewall of fixture (11) is provided with rubber layer (13)，Several the second spring bodies (12) it are provided with between rubber layer (13) and fixture (11)，Weldering device (3) and rubber layer (13) interference fit，The bottom of rubber layer (13) is hinged with location bar (14)，The bottom of location bar (14) is provided with sliding sleeve (15)，Sliding sleeve (15) is slidably connected with arc spacer (9).
- Motor for submerged pump stator end ring interior welding device the most according to claim 1, it is characterized in that: described first arc welding gun head (4) includes that the first discharge head (16), the outside of the first discharge head (16) are provided with electric discharge circle (17).
- Motor for submerged pump stator end ring interior welding device the most according to claim 1, it is characterized in that: described second arc welding gun head (5) includes that the second discharge head (18), the lateral symmetry of the second discharge head (18) are provided with two the 3rd discharge heads (19).
- Motor for submerged pump stator end ring interior welding device the most according to claim 1, it is characterized in that: described 3rd arc welding gun head (6) includes the 4th discharge head (20) of nine rectangular arrangements, the rectangle being made up of the 4th discharge head (20) has three row and three row, and the adjacent distance between the 4th discharge head (20) is equal.
- Motor for submerged pump stator end ring interior welding device the most according to claim 1; it is characterized in that: described protection gas blowout head (8) includes argon pipeline (21) and the nitrogen pipeline (22) being arranged concentrically, and nitrogen pipeline (22) is positioned at the outside of argon pipeline (21).
- 6. the welding method of the motor for submerged pump stator end ring interior welding device used in claim 1～5 described in any one claim, it is characterised in that comprise the following steps:A, general's welding workpiece fixed placement, on rotating basis (1), adjust welding gun bracing frame (2) so that weldering device (3) is positioned at position while welding；B, carrying out spot welding first by the first arc welding gun head (4) in commissure, the stator surface arc length between adjacent welds controls at 2.5mm～4.5mm；C, open protection gas blowout head (8) switch, use the second arc welding gun head (5) butt welded seam to carry out for the first time under the protection of protection gas and weld；D, the open mode of holding protector shower nozzle (8), use the 3rd arc welding gun head (6) butt welded seam to carry out second time under the protection of protection gas and weld.
- The welding method of motor for submerged pump stator end ring interior welding device the most according to claim 6, it is characterized in that: the ratio of the degree of depth that the degree of depth of welding is welded with second time is 2:3 for the first time, the ratio of the width that the width of welding welds with second time is 5:3 for the first time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510053210.1A CN104646802B (en) | 2015-02-02 | 2015-02-02 | A kind of motor for submerged pump stator end ring interior welding device and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510053210.1A CN104646802B (en) | 2015-02-02 | 2015-02-02 | A kind of motor for submerged pump stator end ring interior welding device and welding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104646802A CN104646802A (en) | 2015-05-27 |
| CN104646802B true CN104646802B (en) | 2016-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510053210.1A Active CN104646802B (en) | 2015-02-02 | 2015-02-02 | A kind of motor for submerged pump stator end ring interior welding device and welding method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09295153A (en) * | 1996-04-26 | 1997-11-18 | Obara Kk | Conductor tube for welding torch |
| CN201848661U (en) * | 2010-11-15 | 2011-06-01 | 南车株洲电机有限公司 | Welding tooling for stator end rings of direct-driven permanent magnet wind turbine generators |
| CN102744495A (en) * | 2012-07-05 | 2012-10-24 | 上海良浩车圈有限公司 | Motor stator over-stacking multiple gun welding device |
| JP2013013921A (en) * | 2011-07-05 | 2013-01-24 | Hitachi Ltd | Automatic welding system and automatic welding method |
| CN203484786U (en) * | 2013-08-27 | 2014-03-19 | 无锡锡山安达防爆电气设备有限公司 | Automatic welding device for large motor shaft core |
-
2015
- 2015-02-02 CN CN201510053210.1A patent/CN104646802B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09295153A (en) * | 1996-04-26 | 1997-11-18 | Obara Kk | Conductor tube for welding torch |
| CN201848661U (en) * | 2010-11-15 | 2011-06-01 | 南车株洲电机有限公司 | Welding tooling for stator end rings of direct-driven permanent magnet wind turbine generators |
| JP2013013921A (en) * | 2011-07-05 | 2013-01-24 | Hitachi Ltd | Automatic welding system and automatic welding method |
| CN102744495A (en) * | 2012-07-05 | 2012-10-24 | 上海良浩车圈有限公司 | Motor stator over-stacking multiple gun welding device |
| CN203484786U (en) * | 2013-08-27 | 2014-03-19 | 无锡锡山安达防爆电气设备有限公司 | Automatic welding device for large motor shaft core |
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| Publication number | Publication date |
|---|---|
| CN104646802A (en) | 2015-05-27 |
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