CN106964871A - For the mechanically height tracing device and method of electric arc Cutting dolly under water - Google Patents
For the mechanically height tracing device and method of electric arc Cutting dolly under water Download PDFInfo
- Publication number
- CN106964871A CN106964871A CN201710260131.7A CN201710260131A CN106964871A CN 106964871 A CN106964871 A CN 106964871A CN 201710260131 A CN201710260131 A CN 201710260131A CN 106964871 A CN106964871 A CN 106964871A
- Authority
- CN
- China
- Prior art keywords
- hollow
- geometrical clamp
- cutting
- electric arc
- under water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B23K9/013—Arc cutting, gouging, scarfing or desurfacing
-
- 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
- B23K9/26—Accessories for electrodes, e.g. ignition tips
-
- 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
- B23K9/32—Accessories
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention discloses a kind of height tracing device for mechanical electric arc Cutting dolly under water, including upper end connection wire-feed motor interface, the fixed block of lower end connection cutting welding torch tracks of device, the cutting welding torch tracks of device is by hollow guiding bar, spring, jump ring, oil-free bushing, connector, hollow conducting rod, hollow ignition tip, multi-directional ball, upper supporting column geometrical clamp, lower supporting rod geometrical clamp and fix bar are constituted；The cylindrical of the hollow conducting rod is above fixedly connected by the lower supporting rod geometrical clamp with the cylindrical close-fitting in fix bar lower end that it be arranged in parallel vertically；The fix bar upper end, which can be moved up and down, to be installed in the upper supporting column geometrical clamp.The present apparatus is applied to self-action under water or the cutting of auto-manual system mechanical trolley electric arc, is particularly suitable for the cutting of three dimensions workpiece, movement response is sensitive, and tracking adjustment is quick, accurate, and simple in construction, safe and reliable, easy to operate, manufacturing cost is low.
Description
Technical field
The present invention relates to a kind of height tracing device, more particularly to a kind of imderwater cutting and the height tracing device of welding.
Belong to electric arc cutting under water and technical field of welding materials.
Background technology
At present, by submersible or underwater robot workpiece under water is automated or during semi-automatic cutting, due to
The non-intellectual of workpiece shapes, distance of the cutting torch away from workpiece is difficult to real-time control, so as to cause arc length in cutting process not
Stable or current interruption, blow-out phenomenon, cause imderwater cutting can not carry out or cut quality is poor.
The content of the invention
The invention aims to overcome it is above-mentioned unknown surface shape workpiece is cut under water when torch height
Unstable the problem of, there is provided a kind of height that can be installed on the automation cut under water or semi-automatic Cutting dolly
Spend tracks of device.
The present invention height tracing device, can under water electric arc cutting three dimensions cutting application in, realize to conduction
Mouth and the tracking of workpiece surface height, it is ensured that cutting torch is constant with cut workpiece surface distance, can eliminate automatically by quilt
Cut the cutting processing trueness error caused by workpiece surface profile errors, so avoid cutting torch and workpiece surface from colliding and
Caused current interruption or blow-out phenomenon.
To reach above-mentioned purpose, the present invention realizes that the technical scheme that purpose is used is：
It is a kind of to be used for the height tracing device of mechanical electric arc Cutting dolly under water, including upper end connection wire-feed motor interface,
The fixed block 1 of lower end connection cutting welding torch tracks of device, wherein the cutting welding torch tracks of device is by hollow guiding bar 2, spring
3, jump ring 4, oil-free bushing 5, connector 6, hollow conducting rod 7, hollow ignition tip 8, upper supporting column geometrical clamp 10, lower supporting rod geometrical clamp
11 and fix bar 13 constitute, wherein the hollow guiding bar 2 be upper end be provided with external screw thread, lower end excircle provided with placement jump ring
The cylinder of 4 annular groove, the connector 6 is the cylinder provided with up big and down small centre bore, and the hollow guiding bar 2 is provided with certainly
One end of annular groove is set with the jump ring 4, oil-free bushing 5, spring 3 and upper supporting column geometrical clamp 10 successively, passes through the oil-free bushing 5
Close-fitting is placed in the Large central aperture of the connector 6, and the other end is threadedly coupled with the fixed block 1；The connector 6 it is small
Centre bore is connected with the threaded upper ends of the hollow conducting rod 7, the lower end of the hollow conducting rod 7 and the hollow ignition tip 8
Threaded connection, the cylindrical of the hollow conducting rod 7 above passes through the lower supporting rod geometrical clamp 11 and its fixation be arrangeding in parallel vertically
The cylindrical close-fitting in the lower end of bar 13 is fixedly connected；The upper end of fix bar 13, which can be moved up and down, to be installed in the upper supporting column clamp 10.
Further, the lower end of fix bar 13 is also associated with multi-directional ball 9.
Further, the upper supporting column geometrical clamp 10 and lower supporting rod geometrical clamp 11 are the cuboid provided with two semicircle orifices
Pairing assembling is constituted, and corner is respectively equipped with corresponding screw hole.
Further, between the upper supporting column geometrical clamp 10 and the hollow guiding bar 2 and the lower supporting rod geometrical clamp 11
Insulation sleeve 12 is also respectively provided between the hollow ignition tip 8.
Further, also some through holes on the periphery of the Large central aperture section lower end of the connector 6.
Further, the oil-free bushing 5 is self-lubricating flange-type copper sheathing, and its internal diameter is more than outside the hollow guiding bar 2
0.1~2mm of footpath.
Further, the hollow ignition tip 8 grows 15~30mm, hollow aperture be more than common cutting wire diameter 0.1~
0.3mm。
The a kind of of the present invention is used for the tracking of the mechanical height tracing device of electric arc Cutting dolly under water, including such as
Lower step：
1st, the cutting wire 14 for sending out wire-feed motor passes through hollow guiding bar 2, connector 6, hollow conducting rod 7 and hollow ignition tip
8 are arrived at workpiece, and the electric arc that ignites is cut；
When the 2nd, cutting, multi-directional ball 9 is contacted with cut workpiece, when cutting position is moved up, and multi-directional ball 9 promotes fix bar
13rd, lower supporting rod geometrical clamp 11, hollow conducting rod 7, hollow ignition tip 8, connector 6, oil-free bushing (5) are along hollow guiding bar 2
Upward sliding；When cutting position is moved down, gravity and the elastic force of spring 3 promote fix bar 13, lower supporting rod geometrical clamp 11, hollow conduction
Bar 7, hollow ignition tip 8, connector 6, oil-free bushing 5 finally ensure hollow ignition tip 8 along the slide downward of hollow guiding bar 2
End keeps stable with cut work surface location, so as to keep Arc Length Constant and arc stability, it is to avoid occur blow-out and disconnected
Arc.
The advantages of the present invention are：
1st, the present apparatus is applied to self-action under water or the cutting of auto-manual system mechanical trolley electric arc, is particularly suitable for three dimensions work
The cutting of part, movement response is sensitive, and tracking adjustment is quick, accurate.
2nd, the present apparatus is simple in construction, safe and reliable, easy to operate, and manufacturing cost is low.
Brief description of the drawings
Fig. 1 is structure organigram of the invention；
Fig. 2 is Fig. 1 A-A sectional views；
Fig. 3 is Fig. 1 B-B sectional views；
In figure：1 fixed block, 2 hollow guiding bars, 3 springs, 4 jump rings, 5 oil-free bushings, 6 connectors, 7 hollow conducting rods, 8
Hollow ignition tip, 9 multi-directional balls, 10 upper supporting column geometrical clamps, 11 lower supporting rod geometrical clamps, 12 insulation sleeves, 13 fix bars, 14 cutting wires.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is described in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention,
It is not intended to limit the present invention.
As shown in Figure 1 to Figure 3, it is that a kind of of the present invention is used for the height tracing dress of mechanical electric arc Cutting dolly under water
Put, including upper end connection wire-feed motor interface, the fixed block 1 of lower end connection cutting welding torch tracks of device, wherein the cutting welding torch
Tracks of device is by hollow guiding bar 2, spring 3, jump ring 4, oil-free bushing 5, connector 6, hollow conducting rod 7, hollow ignition tip 8,
Multi-directional ball 9, upper supporting column geometrical clamp 10, lower supporting rod geometrical clamp 11 and fix bar 13 are constituted, wherein the hollow guiding bar 2 is upper end
Provided with external screw thread, the cylinder of annular groove of the lower end excircle provided with placement jump ring 4, the connector 6 is provided with up big and down small
The cylinder of centre bore, the hollow guiding bar 2 is set with the jump ring 4, oil-free bushing 5, bullet successively from one end provided with annular groove
Spring 3 and upper supporting column geometrical clamp 10, are placed in the Large central aperture of the connector 6, the other end by the close-fitting of oil-free bushing 5
It is threadedly coupled with the fixed block 1；The small centre bore of the connector 6 is connected with the threaded upper ends of the hollow conducting rod 7, institute
The lower end for stating hollow conducting rod 7 is threadedly coupled with the hollow ignition tip 8, and the cylindrical of the hollow conducting rod 7 is gone up by described
Lower supporting rod geometrical clamp 11 is fixedly connected with the cylindrical close-fitting in the lower end of fix bar 13 that it be arranged in parallel vertically；The upper end of fix bar 13
It can move up and down and be installed in the upper supporting column geometrical clamp 10.
The wherein described lower end of fix bar 13 is also associated with multi-directional ball 9.The upper supporting column geometrical clamp 10 and lower supporting rod geometrical clamp
11 be that the cuboid pairing provided with two semicircle orifices assembles composition, and corner is respectively equipped with corresponding screw hole.The upper supporting column
Also distinguish between the lower supporting rod geometrical clamp 11 and the hollow ignition tip 8 between geometrical clamp 10 and the hollow guiding bar 2
It is provided with insulation sleeve 12.Also some through holes on the periphery of the Large central aperture section lower end of the connector 6.The oil-free bushing 5
For self-lubricating flange-type copper sheathing, its internal diameter is more than the 0.1~2mm of external diameter of hollow guiding bar 2.The length of hollow ignition tip 8 15
~30mm, hollow aperture is more than 0.1~0.3mm of common cutting wire diameter.
The a kind of of the present invention is used for the tracking of the mechanical height tracing device of electric arc Cutting dolly under water, specific step
Suddenly it is：
1st, the cutting wire 14 for sending out wire-feed motor passes through hollow guiding bar 2, connector 6, hollow conducting rod 7 and hollow ignition tip
8 are arrived at workpiece, and the electric arc that ignites is cut；
When the 2nd, cutting, multi-directional ball 9 is contacted with cut workpiece, when cutting position is moved up, and multi-directional ball 9 promotes fix bar
13rd, lower supporting rod geometrical clamp 11, hollow conducting rod 7, hollow ignition tip 8, connector 6, oil-free bushing (5) are along hollow guiding bar 2
Upward sliding；When cutting position is moved down, gravity and the elastic force of spring 3 promote fix bar 13, lower supporting rod geometrical clamp 11, hollow conduction
Bar 7, hollow ignition tip 8, connector 6, oil-free bushing 5 finally ensure hollow ignition tip 8 along the slide downward of hollow guiding bar 2
End keeps stable with cut work surface location, so as to keep Arc Length Constant and arc stability, it is to avoid occur blow-out and disconnected
Arc.
The foregoing is intended to be a preferred embodiment of the present invention.Certainly, the present invention can also have other a variety of implementations
Example, in the case of without departing substantially from spirit of the invention and its essence, any one skilled in the art, when can be according to this
Various corresponding equivalent changes and deformation are made in invention, should all belong to the protection domain of appended claims of the invention.
Claims (8)
1. a kind of be used for the height tracing device of mechanical electric arc Cutting dolly under water, including upper end connection wire-feed motor interface, under
The fixed block (1) of end connection cutting welding torch tracks of device, it is characterised in that the cutting welding torch tracks of device is by hollow guiding bar
(2), spring (3), jump ring (4), oil-free bushing (5), connector (6), hollow conducting rod (7), hollow ignition tip (8), upper supporting column
Geometrical clamp (10), lower supporting rod geometrical clamp (11) and fix bar (13) are constituted, wherein the hollow guiding bar (2), which is upper end, is provided with outer
Screw thread, the cylinder of annular groove of the lower end excircle provided with placement jump ring (4), the connector (6) is provided with up big and down small
The cylinder in heart hole, the hollow guiding bar (2) is set with the jump ring (4), oil-free bushing successively from one end provided with annular groove
(5), spring (3) and upper supporting column geometrical clamp (10), the big of the connector (6) is placed in by the oil-free bushing (5) close-fitting
In centre bore, the other end is threadedly coupled with the fixed block (1)；The small centre bore of the connector (6) and the hollow conduction
The threaded upper ends connection of bar (7), the lower end of the hollow conducting rod (7) is threadedly coupled with the hollow ignition tip (8), the sky
The cylindrical of heart conducting rod (7) is gone up outside by the lower supporting rod geometrical clamp (11) and its fix bar (13) lower end be arrangeding in parallel vertically
Circle close-fitting is fixedly connected；Fix bar (13) upper end, which can be moved up and down, to be installed in the upper supporting column geometrical clamp (10).
2. according to claim 1 be used for the height tracing device of mechanical electric arc Cutting dolly under water, it is characterised in that
Fix bar (13) lower end is also associated with multi-directional ball (9).
3. according to claim 1 be used for the height tracing device of mechanical electric arc Cutting dolly under water, it is characterised in that
The upper supporting column geometrical clamp (10) and lower supporting rod geometrical clamp (11) are that the cuboid pairing provided with two semicircle orifices assembles composition,
Corner is respectively equipped with corresponding screw hole.
4. according to claim 1 be used for the height tracing device of mechanical electric arc Cutting dolly under water, it is characterised in that
Hollow led with described with the lower supporting rod geometrical clamp (11) between the upper supporting column geometrical clamp (10) and the hollow guiding bar (2)
Insulation sleeve (12) is also respectively provided between sparking plug (8).
5. according to claim 1 be used for the height tracing device of mechanical electric arc Cutting dolly under water, it is characterised in that
Also some through holes on the periphery of the Large central aperture section lower end of the connector (6).
6. according to claim 1 be used for the height tracing device of mechanical electric arc Cutting dolly under water, it is characterised in that
The oil-free bushing (5) is self-lubricating flange-type copper sheathing, and its internal diameter is more than hollow guiding bar (2) 0.1~2mm of external diameter.
7. according to claim 1 be used for the height tracing device of mechanical electric arc Cutting dolly under water, it is characterised in that
The hollow ignition tip (8) grows 15~30mm, and hollow aperture is more than 0.1~0.3mm of common cutting wire diameter.
8. a kind of be used for the height tracing device of mechanical electric arc Cutting dolly under water according to claim any one of 1-7
Tracking, it is characterised in that comprise the following steps：
A, the cutting wire (14) for sending out wire-feed motor are through hollow guiding bar (2), connector (6), hollow conducting rod (7) and hollow lead
Sparking plug (8) is arrived at workpiece, and the electric arc that ignites is cut；
When B, cutting, multi-directional ball (9) is contacted with cut workpiece, when cutting position is moved up, and multi-directional ball (9) promotes fix bar
(13), lower supporting rod geometrical clamp (11), hollow conducting rod (7), hollow ignition tip (8), connector (6), oil-free bushing (5) are along sky
Heart guide rod (2) upward sliding；When cutting position is moved down, gravity and the elastic force of spring 3 promote fix bar (13), lower supporting rod to fix
Folder (11), hollow conducting rod (7), hollow ignition tip (8), connector (6), oil-free bushing (5) are downward along hollow guiding bar (2)
Slide, finally ensure that hollow ignition tip (8) end and cut work surface location keep stable, thus keep Arc Length Constant and
Arc stability, it is to avoid occur blow-out and current interruption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710260131.7A CN106964871A (en) | 2017-04-20 | 2017-04-20 | For the mechanically height tracing device and method of electric arc Cutting dolly under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710260131.7A CN106964871A (en) | 2017-04-20 | 2017-04-20 | For the mechanically height tracing device and method of electric arc Cutting dolly under water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106964871A true CN106964871A (en) | 2017-07-21 |
Family
ID=59332928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710260131.7A Pending CN106964871A (en) | 2017-04-20 | 2017-04-20 | For the mechanically height tracing device and method of electric arc Cutting dolly under water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106964871A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723564A (en) * | 2018-06-28 | 2018-11-02 | 中车西安车辆有限公司 | A kind of levelling tracking cutter device of end socket |
| CN110241417A (en) * | 2019-07-17 | 2019-09-17 | 陕西天元智能再制造股份有限公司 | A kind of silk material laser melting coating hot-wire device |
| CN114192945A (en) * | 2021-12-31 | 2022-03-18 | 武昌船舶重工集团有限公司 | Conducting device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286684Y (en) * | 1997-01-17 | 1998-07-29 | 中国科学院沈阳自动化研究所 | Slave-wheel device capable of automatically adjusting in pace with unevenness of ground surface |
| JP2010284696A (en) * | 2009-06-12 | 2010-12-24 | Kawasaki Heavy Ind Ltd | Laser-arc hybrid welding head |
| CN102179623A (en) * | 2011-04-28 | 2011-09-14 | 武汉工研光学科学技术有限责任公司 | Z axis elastic distance servo system used for laser processing |
| CN202825012U (en) * | 2012-10-24 | 2013-03-27 | 浙江海洋学院 | Ship steel plate cutting machine follow-up head |
| CN105235464A (en) * | 2015-11-20 | 2016-01-13 | 北方工业大学 | Universal follow-up buffering vibration damper of wheeled mobile robot |
| CN105537767A (en) * | 2016-02-26 | 2016-05-04 | 武汉市楚源光电有限公司 | Novel multifunctional fixed defocusing amount laser welding head |
| CN206811283U (en) * | 2017-04-20 | 2017-12-29 | 江苏科技大学 | Height tracing device for mechanical underwater electric arc Cutting dolly |
-
2017
- 2017-04-20 CN CN201710260131.7A patent/CN106964871A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286684Y (en) * | 1997-01-17 | 1998-07-29 | 中国科学院沈阳自动化研究所 | Slave-wheel device capable of automatically adjusting in pace with unevenness of ground surface |
| JP2010284696A (en) * | 2009-06-12 | 2010-12-24 | Kawasaki Heavy Ind Ltd | Laser-arc hybrid welding head |
| CN102179623A (en) * | 2011-04-28 | 2011-09-14 | 武汉工研光学科学技术有限责任公司 | Z axis elastic distance servo system used for laser processing |
| CN202825012U (en) * | 2012-10-24 | 2013-03-27 | 浙江海洋学院 | Ship steel plate cutting machine follow-up head |
| CN105235464A (en) * | 2015-11-20 | 2016-01-13 | 北方工业大学 | Universal follow-up buffering vibration damper of wheeled mobile robot |
| CN105537767A (en) * | 2016-02-26 | 2016-05-04 | 武汉市楚源光电有限公司 | Novel multifunctional fixed defocusing amount laser welding head |
| CN206811283U (en) * | 2017-04-20 | 2017-12-29 | 江苏科技大学 | Height tracing device for mechanical underwater electric arc Cutting dolly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723564A (en) * | 2018-06-28 | 2018-11-02 | 中车西安车辆有限公司 | A kind of levelling tracking cutter device of end socket |
| CN108723564B (en) * | 2018-06-28 | 2024-01-09 | 中车西安车辆有限公司 | Head leveling tracking cutting device |
| CN110241417A (en) * | 2019-07-17 | 2019-09-17 | 陕西天元智能再制造股份有限公司 | A kind of silk material laser melting coating hot-wire device |
| CN114192945A (en) * | 2021-12-31 | 2022-03-18 | 武昌船舶重工集团有限公司 | Conducting device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170721 |
|
| RJ01 | Rejection of invention patent application after publication |