CN109732185A - A kind of novel plasma powder weld deposition welding gun structure - Google Patents
A kind of novel plasma powder weld deposition welding gun structure Download PDFInfo
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- CN109732185A CN109732185A CN201910167150.4A CN201910167150A CN109732185A CN 109732185 A CN109732185 A CN 109732185A CN 201910167150 A CN201910167150 A CN 201910167150A CN 109732185 A CN109732185 A CN 109732185A
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- 239000000843 powder Substances 0.000 title claims abstract description 43
- 238000003466 welding Methods 0.000 title claims abstract description 37
- 230000008021 deposition Effects 0.000 title claims abstract description 21
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 53
- 239000010937 tungsten Substances 0.000 claims abstract description 53
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000017525 heat dissipation Effects 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 238000010410 dusting Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000003870 refractory metal Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 33
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Plasma Technology (AREA)
Abstract
The invention discloses a kind of novel plasma powder weld deposition welding gun structures; including cooling mechanism, mechanism of dusting and fixed end, upper fixing sleeve, protection mechanism and lower fixed end cap; cooling mechanism includes water inlet pipe nozzle, water inlet tube interface, heat dissipation endless tube, outlet pipe nozzle and water outlet interface tube, is enclosed with water inlet pipe insulation sleeve on the outside of water inlet pipe nozzle.The present invention is by being provided with the endless tube that dusts, the heat distributed on the endless tube that radiates can be absorbed by being wound on heat dissipation endless tube the endless tube that dusts in a ring, simultaneously, the contact area with heat dissipation endless tube is capable of increasing by the annular setting for the endless tube that dusts, the endless tube transportation range that dusts can be increased simultaneously, to increase heat absorption efficiency and heat absorption time, it can be good at carrying out drying and processing to the plasma powder inside discharge tube, realize the function of waste heat recycling, part plasma powder is solved because forming bubble after encountering high temperature tungsten electrode containing moisture, influences welding precision.
Description
Technical field
The present invention relates to plasma arc powder surfacing technical fields more particularly to a kind of plasma arc powder surfacing welding gun technology to lead
Domain.
Background technique
Plasma arc welding (PAW) refers to using plasma arc high-energy density line as the fusion welding method of welding heat source.Deng from
The generation of subarc be between the tungsten electrode and nozzle of welding gun plus a high voltage, through the higher-order of oscillation make ion-gas be ionized and by
Mechanical compression and the hot compression of cold airflow and formed.With the development of science and technology, plasma powder is welded because of precision height,
Bring effect is more and more important in welding, and function is increasing, wherein plasma arc powder surfacing welding gun structure band
The effect come is particularly important.
Existing novel plasma powder weld deposition welding gun structure is easy because powder is moist or powder during dusting
In cause the powder sprayed to meet high temperature containing moisture after there is bubble, to influence welding precision, and existing tungsten electrode is dissipated
The radiating efficiency of heat is low, and being easy to cause tungsten electrode to radiate poor causes tungsten electrode to damage.
Summary of the invention
It is low, moist that the purpose of the present invention is to solve tungsten electrode radiating efficiencys during existing plasma arc powder surfacing etc.
The technical issues of being easy to produce bubble after ion powder chance high temperature, and a kind of novel plasma powder weld deposition welding gun knot proposed
Structure.
To achieve the goals above, present invention employs following technical solutions:
A kind of novel plasma powder weld deposition welding gun structure, including cooling mechanism, mechanism of dusting and fixed end, upper fixation
Set, protection mechanism and lower fixed end cap；
The cooling mechanism includes water inlet pipe nozzle, water inlet tube interface, heat dissipation endless tube, outlet pipe nozzle and is discharged interface tube,
Water inlet pipe insulation sleeve is enclosed on the outside of the water inlet pipe nozzle, the water inlet tube interface and the perforation of water inlet pipe nozzle screw thread connect
It connects, the water inlet pipe nozzle is connect with heat dissipating ring pipeline, and the lowermost end pipeline of the heat dissipation endless tube is connected with return pipe, described
The top pipeline of return pipe is connected to water outlet interface tube；
The mechanism of dusting includes discharge tube, the endless tube that dusts, discharge tube insulation sleeve, dust tube head, the end of the endless tube that dusts
End perforation is connected with the tube head that dusts, and the end thread of the tube head that dusts is connected with traveling nut；
The fixed end is internally provided with tungsten electrode, and the top of the tungsten electrode is fixedly connected with screw thread spring, fixed
The middle upper end position of set is movably installed with abutting limited block, and described one end for pushing against limited block pushes against the outer surface of tungsten electrode, described
The other end for pushing against limited block is fixedly connected with screw putter, and the bottom surface for pushing against limited block is connected with support rod；
The lower end of the lower fixing sleeve is fixedly connected with nozzle carrier, and the end of the nozzle carrier slopes inwardly, and nozzle carrier
Through there is heat dissipation observation slot at inclination, the inner wall upper end position of the nozzle carrier offers half arc fluting, the lower fixing sleeve
Middle position is fixedly connected with rectangle fixed block, and one end of the rectangle fixed block is fixedly connected with the first spring, and described first
Spring is fixedly connected with half round block close to one end of half arc fluting；
The protection mechanism includes protection gas tube orifice, protection gas interface and center tracheae, the protection gas tube orifice and the protection
The perforation connection of gas interface, center tracheae one end and protection gas interface perforation connect, the other end of the center tracheae
Pipeline perforation is connected with protection gas jets.
Further, the heat dissipation endless tube is arranged in a ring, and ring-wound is in the outer surface of tungsten electrode, the endless tube that dusts
Refractory metal pipe.
Further, the endless tube that dusts is arranged in a ring, and the endless tube ring-wound that dusts is covered in heat dissipation endless tube
Outer surface.
Further, half round block is connect with the first spring, and half round block is in semicircle ellipticity, half arc
Groove is in semicircle ellipticity, and half arc fluting is uniformly opened in the inner wall of nozzle carrier, and half round block and half arc fluting are living
It is dynamic chimeric.
Further, the protection gas jets are connect with the center tracheal tube, and the protection gas jets are provided with two
It is a, the two sides at tungsten electrode tip are symmetrical set, the protection gas jets are in barb-like, and are symmetrical set at barb.
Further, material used by the water inlet pipe nozzle, outlet pipe nozzle and discharge tube insulation sleeve is insulation
High temperature resistant material.
Further, the tube head that dusts is provided with two, and the tube head that dusts is symmetrical set respectively and side spray inwardly
It penetrates, and the tube head that dusts is that extending formula resistant to high temperature is dusted tube head.
Further, the abutting limited block is fixedly connected with one end of the screw putter, the abutting limited block
The clamping of the upper surface slide of bottom surface and support column.
Further, the bottom of the tungsten electrode is tapered tip-shape, and opens on the outside of the cone point shape of the tungsten electrode
Equipped with heat build-up chamber, twice for opening up space and being greater than tungsten electrode cone point of the heat build-up chamber, and heat build-up chamber is tapered.
The invention has the benefit that
1. it can be flowed on heat dissipation endless tube after water inlet pipe is passed through water by setting heat dissipation endless tube, and the endless tube that radiates is logical
The heat that can to the greatest extent tungsten electrode be given out by crossing annular setting absorbs, to increase radiating efficiency, improves
Original tungsten electrode pipe heat dissipation is tightly radiated by single heat-dissipating pipe, and the technical problem of heat dissipation performance difference is caused.
2. can will be radiated on endless tube by the way that the endless tube that dusts is arranged by being wound on heat dissipation endless tube the endless tube that dusts in a ring
The heat distributed is absorbed, meanwhile, the contact area with heat dissipation endless tube is capable of increasing by the annular setting for the endless tube that dusts, together
When can increase the endless tube transportation range that dusts, thus increase heat absorption efficiency and heat absorption the time, can be good to discharge tube inside
Plasma powder carry out drying and processing, realize waste heat recycling function, solve part plasma powder because containing moisture
Bubble is formed after encountering high temperature tungsten electrode, influences welding precision.
3. can be fixed to tungsten electrode by abutting limited block, screw putter and the support column being provided with, pass through
Threads turn screw putter can control abutting limited block and be slided on the support columns, convenient to fix to tungsten electrode,
The convenient maintenance to tungsten electrode.
4. it is chimeric with half arc fluting activity by half round block by being provided with half round block and rectangle fixed block, it can be to spray
Mouth seat carries out up and down adjustment, and the adjusting of nozzle carrier can play windbreak function, because of big wind effect after preventing plasma powder from spraying
After send forth.
5. the protection gas for protecting gas tube orifice to spray can be assembled by the heat build-up chamber being provided with, while can be to tungsten
The high temperature generated at pole tip is assembled and is conveyed, and welding efficiency is improved.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of novel plasma powder weld deposition welding gun structure proposed by the present invention.
Fig. 2 is enlarged structure schematic diagram at a kind of A of novel plasma powder weld deposition welding gun structure proposed by the present invention.
Fig. 3 is enlarged structure schematic diagram at a kind of B of novel plasma powder weld deposition welding gun structure proposed by the present invention.
Fig. 4 is that a kind of C of novel plasma powder weld deposition welding gun structure proposed by the present invention goes out enlarged structure schematic diagram.
Fig. 5 is a kind of abutting limited block enlarged structure of novel plasma powder weld deposition welding gun structure proposed by the present invention
Schematic diagram.
In Fig. 1-5: 1- screw thread spring, 2- fixed end, 3- tungsten electrode, 4- push against limited block, 401- screw putter, 502- branch
Dagger, 5- discharge tube, 6- water inlet pipe insulation sleeve, 7- water inlet pipe nozzle, 8- water inlet tube interface, 9- outlet pipe nozzle, 10- outlet pipe
Interface, 11- heat dissipation endless tube, 12- dust endless tube, 13- discharge tube insulation sleeve, the upper fixing sleeve of 14-, 15- return pipe, 16- nozzle
Seat, 17- protection gas jets, 18- heat dissipation observation slot, 19- dust tube head, 20- heat build-up chamber, half arc fluting of 21-, half round block of 22-,
It is fixed under the first spring of 23-, 24- rectangle fixed block, the center 25- tracheae, 26- protection gas tube orifice, 27- protection gas interface, 28-
Set, 29- traveling nut.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of novel plasma powder weld deposition welding gun structure, including cooling mechanism, mechanism of dusting and solid
Fixed end head 2, upper fixing sleeve 14, protection mechanism and lower fixed end cap 28；
Cooling mechanism includes water inlet pipe nozzle 7, water inlet tube interface 8, heat dissipation endless tube 11, outlet pipe nozzle 9 and water outlet interface tube
10, the outside of water inlet pipe nozzle 7 is enclosed with water inlet pipe insulation sleeve 6, and water inlet tube interface 8 and the perforation of 7 screw thread of water inlet pipe nozzle connect,
Water inlet pipe nozzle 7 is connect with heat dissipation 11 pipeline of endless tube, and the lowermost end pipeline of heat dissipation endless tube 11 is connected with return pipe 15, return pipe 15
Top pipeline be connected to water outlet interface tube 10；
Mechanism of dusting includes discharge tube 5, the endless tube 12 that dusts, discharge tube insulation sleeve 13, dust tube head 19, the end for the endless tube 12 that dusts
End perforation is connected with the tube head 19 that dusts, and the end thread for the tube head 19 that dusts is connected with traveling nut 29；
Fixed end 2 is internally provided with tungsten electrode 3, and the top of tungsten electrode 3 is fixedly connected with screw thread spring 1, in upper fixing sleeve 14
Upper end position, which is movably installed with, pushes against limited block 4, and the one end for pushing against limited block 4 pushes against the outer surface of tungsten electrode 3, pushes against limited block 4
The other end be fixedly connected with screw putter 401, the bottom surface for pushing against limited block 4 is connected with support rod 402；
The lower end of lower fixing sleeve 28 is fixedly connected with nozzle carrier 16, and the end of nozzle carrier 16 slopes inwardly, and nozzle carrier 16
Through there is heat dissipation observation slot 18 at inclination, the inner wall upper end position of nozzle carrier 16 offers half arc fluting 21, lower fixing sleeve 28
Middle position is fixedly connected with rectangle fixed block 24, and one end of rectangle fixed block 24 is fixedly connected with the first spring 23, the first bullet
Spring 23 is fixedly connected with half round block 22 close to one end of half arc fluting 21；
Protection mechanism includes protection gas tube orifice 26, protection gas interface 27 and center tracheae 25, and protection gas tube orifice 26 connects with protection gas
27 perforation connection of mouth, 25 one end of center tracheae and protection gas interface 27 are penetrated through and are connected, the other end pipeline perforation of center tracheae 25
It is connected with protection gas jets 17.
Preferably, heat dissipation endless tube 11 is arranged in a ring, and for ring-wound in the outer surface of tungsten electrode 3, the endless tube 12 that dusts is resistance to height
Warm metal tube is capable of increasing the contact area with tungsten electrode 3, to increase radiating efficiency.
Preferably, the endless tube 12 that dusts is arranged in a ring, and 12 ring-wound of endless tube that dusts is covered in the outer of heat dissipation endless tube 11
The endless tube 12 that dusts on surface, annular setting can increase the time of contact that plasma powder and tungsten electrode 3 give out in pipe, to increase
Add drying efficiency, the plasma powder after drying can prevent bubble, while realize the function of UTILIZATION OF VESIDUAL HEAT IN.
Preferably, 23 elastic connection of half round block 22 and the first spring, half round block 22 are in semicircle ellipticity, and half arc fluting 21 is in
Semicircle ellipticity, half arc fluting 21 is uniformly opened in the inner wall of nozzle carrier 16, and half round block 22 is chimeric with half arc fluting, 21 activity,
Pull nozzle carrier 16 that half arc fluting 21 on nozzle carrier 16 can be made to be detached from half mutually chimeric round block 22, to realize adjusting nozzle
The function of 16 collapsing lengths of seat, the nozzle carrier 16 after elongation can prevent from sending forth and spraying askew to the plasma powder after ejection.
Preferably, protection gas jets 17 are connect with 25 pipeline of center tracheae, and there are two the protection settings of gas jets 17, in symmetrical
The two sides at 3 tip of tungsten electrode are set to, protection gas jets 17 are in barb-like, and are symmetrical set at barb.
Preferably, material used by water inlet pipe nozzle 7, outlet pipe nozzle 9 and discharge tube insulation sleeve 13 is that insulation is resistance to
High temperature material can play insulation effect, get an electric shock after preventing water inlet pipe nozzle 7, outlet pipe nozzle 9 and discharge tube 5 from leaking electricity.
Preferably, the tube head 19 that dusts is provided with two, and the tube head 19 that dusts is symmetrical set respectively and inwards sprays, and sprays
Tube cell head 19 is that extending formula resistant to high temperature is dusted tube head 19, as shown in Fig. 2, making traveling nut by turn traveling nut 29
29 loosen, thus by manually adjust with extending formula dust tube head 19 injection it is convenient, facilitate the use of operator.
Preferably, it pushes against limited block 4 to be fixedly connected with one end of screw putter 401, pushes against the bottom surface and branch of limited block 4
The upper surface slide of dagger 502 is clamped, and can control abutting by threads turn screw putter 401 after the damage of tungsten electrode 3
Limited block 4 is slided on support column 402, convenient to fix to tungsten electrode 3, is tieed up after the convenient disassembly to tungsten electrode 3
It repairs.
Preferably, the bottom of tungsten electrode 3 is tapered tip-shape, and offers heat build-up on the outside of the cone point shape of tungsten electrode 3
Chamber 20, twice for opening up space and being greater than 3 cone point of tungsten electrode of heat build-up chamber 20, and heat build-up chamber 20 is tapered, is conducive to protect
Gas is quickly delivered on welding surface after the tungsten electrode 3 of cone point shape after spraying, while the conical design of heat build-up chamber 20 is matched
The conveying of protective gas can be conducive to by closing 3 cone point shape of tungsten electrode.
In use, firstly, discharge tube 5 accesses extraneous powder feeder unit, water inlet pipe pipe by the access external world power supply of tungsten electrode 2
Mouth 7 accesses extraneous water supply devices, outlet pipe nozzle 9 accesses extraneous waste water collection device, the protection access of gas tube orifice 26 protects gas to supply
To device；
Then, water inlet pipe nozzle 7 is accessed in water inlet tube interface 8, passes through water inlet tube interface 8 after water inlet pipe nozzle 7 is passed through water
It can radiate to tungsten electrode 3 after into heat dissipation endless tube 11, the heat dissipation endless tube 11 of annular setting is capable of increasing radiating efficiency, water flow
Water outlet interface tube 10 is fed through by return pipe 15 after to heat dissipation 11 lowermost end of endless tube, is delivered to water outlet by being discharged interface tube 10
The finally output of pipe nozzle 9 is led to after plasma powder is entered by discharge tube 5 dusts endless tube 12 to extraneous waste water collection device
The endless tube 12 that dusts for crossing annular setting can utilize the waste heat that tungsten electrode 3 gives out, the waste heat pair given out using tungsten electrode 3
The plasma powder to dust in endless tube 12 containing moisture carries out drying and processing, prevents the plasma powder by the ejection of tube head 19 of dusting
End leads to occur bubble in the welding process containing moisture, to influence the stability of welding precision and welding, then, protects gas
Nozzle 26, which is passed through after protection gas, enters center tracheae 25 by protection gas interface 27, sprays finally by protection gas jets 17, because
Protection gas jets 17 are inwards sprayed, and can be protected at the first time to oxidation of the wlding in thawing, solidification, overwrite procedure
Shield, plays particularly important protective effect, and then, can by pulling downward on nozzle carrier 16 when encountering typhoon weather
Half arc fluting 21 on nozzle carrier 16 is set to be detached from half mutually chimeric round block 22, to realize the function for adjusting 16 collapsing length of nozzle carrier
Can, the nozzle carrier 16 after elongation can prevent from sending forth and spraying askew, raising welding precision to the plasma powder after ejection；Finally when
After tungsten electrode 3 is impaired, can by abutting limited block 4, screw putter 401 and the support column 402 by being provided with can to tungsten electrode 3 into
Row limit is fixed, and can be controlled abutting limited block 4 by threads turn screw putter 401 and be slided on support column 402, side
Just tungsten electrode 3 is fixed, the convenient maintenance to tungsten electrode 3.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of novel plasma powder weld deposition welding gun structure, including cooling mechanism, mechanism of dusting and fixed end (2), on
Fixing sleeve (14), protection mechanism and lower fixed end cap (28)；
It is characterized by: the cooling mechanism includes water inlet pipe nozzle (7), water inlet tube interface (8), heat dissipation endless tube (11), goes out
Water pipe nozzle (9) and water outlet interface tube (10), are enclosed with water inlet pipe insulation sleeve (6) on the outside of the water inlet pipe nozzle (7), described
Water inlet tube interface (8) and the perforation of water inlet pipe nozzle (7) screw thread connect, the water inlet pipe nozzle (7) and heat dissipation endless tube (11) pipeline
The lowermost end pipeline of connection, heat dissipation endless tube (11) is connected with return pipe (15), the top pipeline of the return pipe (15)
It is connected to water outlet interface tube (10)；
The mechanism of dusting includes discharge tube (5), the endless tube that dusts (12), discharge tube insulation sleeve (13), the tube head that dusts (19), institute
The end perforation for stating the endless tube that dusts (12) is connected with the tube head that dusts (19), and the end thread of the tube head that dusts (19) is connected with work
Dynamic nut (29)；
The fixed end (2) is internally provided with tungsten electrode (3), and the top of the tungsten electrode (3) is fixedly connected with screw thread spring
(1), the middle upper end position of fixed set (14), which is movably installed with, pushes against limited block (4), and the one of abutting limited block (4)
End pushes against the outer surface of tungsten electrode (3), and the other end for pushing against limited block (4) is fixedly connected with screw putter (401), described to support
The bottom surface of tight limited block (4) is connected with support rod (402)；
The lower end of the lower fixing sleeve (28) is fixedly connected with nozzle carrier (16), and the end of the nozzle carrier (16) slopes inwardly,
And through there is heat dissipation observation slot (18) at the inclination of nozzle carrier (16), the inner wall upper end position of the nozzle carrier (16) is offered
The middle position of half arc fluting (21), the lower fixing sleeve (28) is fixedly connected with rectangle fixed block (24), and the rectangle is fixed
One end of block (24) is fixedly connected with the first spring (23), and first spring (23) is fixed close to the one end of half arc fluting (21)
It is connected with half round block (22)；
The protection mechanism includes protection gas tube orifice (26), protection gas interface (27) and center tracheae (25), the protection tracheae
Mouth (26) and the protection gas interface (27) perforation connect, and described center tracheae (25) one end is passed through with the protection gas interface (27)
Lead to and connect, the other end pipeline perforation of the center tracheae (25) is connected with protection gas jets (17).
2. a kind of novel plasma powder weld deposition welding gun structure according to claim 1, which is characterized in that the heat dissipation
Endless tube (11) is arranged in a ring, and ring-wound is in the outer surface of tungsten electrode (3), and the endless tube that dusts (12) is refractory metal
Pipe.
3. a kind of novel plasma powder weld deposition welding gun structure according to claim 1, which is characterized in that described to dust
Endless tube (12) is arranged in a ring, and the endless tube that dusts (12) ring-wound is covered in the outer surface of heat dissipation endless tube (11).
4. a kind of novel plasma powder weld deposition welding gun structure according to claim 1, which is characterized in that the semicircle
Block (22) and the first spring (23) elastic connection, half round block (22) are in semicircle ellipticity, and half arc fluting (21) is in half
Circle ellipticity, half arc fluting (21) is uniformly opened in the inner wall of nozzle carrier (16), and half round block (22) and half arc are recessed
Slot (21) activity is chimeric.
5. a kind of novel plasma powder weld deposition welding gun structure according to claim 1, which is characterized in that the protection
Gas jets (17) are connect with center tracheae (25) pipeline, and there are two protection gas jets (17) settings, are symmetrical set
Two sides at tungsten electrode (3) tip, the protection gas jets (17) are in barb-like, and are symmetrical set at barb.
6. a kind of novel plasma powder weld deposition welding gun structure according to claim 1, which is characterized in that the water inlet
Material used by pipe nozzle (7), outlet pipe nozzle (9) and discharge tube insulation sleeve (13) is insulation high-temperature-resistant material.
7. a kind of novel plasma powder weld deposition welding gun structure according to claim 1, which is characterized in that described to dust
Tube head (19) is provided with two, and the tube head that dusts (19) is symmetrical set respectively and inwards sprays, and the tube head that dusts
(19) tube head (19) are dusted for extending formula resistant to high temperature.
8. a kind of novel plasma powder weld deposition welding gun structure according to claim 1, which is characterized in that the abutting
Limited block (4) is fixedly connected with one end of the screw putter (401), the bottom surface and support column for pushing against limited block (4)
(502) upper surface slide clamping.
9. a kind of novel plasma powder weld deposition welding gun structure according to claim 1, which is characterized in that the tungsten electrode
(3) bottom is tapered tip-shape, and heat build-up chamber (20) are offered on the outside of the cone point shape of the tungsten electrode (3), described
Twice for opening up space and being greater than tungsten electrode (3) cone point of heat build-up chamber (20), and heat build-up chamber (20) is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167150.4A CN109732185B (en) | 2019-03-06 | 2019-03-06 | Welding gun structure for plasma powder surfacing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167150.4A CN109732185B (en) | 2019-03-06 | 2019-03-06 | Welding gun structure for plasma powder surfacing |
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| Publication Number | Publication Date |
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| CN109732185A true CN109732185A (en) | 2019-05-10 |
| CN109732185B CN109732185B (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910167150.4A Active CN109732185B (en) | 2019-03-06 | 2019-03-06 | Welding gun structure for plasma powder surfacing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809123A (en) * | 2021-01-28 | 2021-05-18 | 李伟 | Energy-saving electric welding device based on electric heating energy collection effect |
| CN113319450A (en) * | 2021-06-25 | 2021-08-31 | 深圳市华中通用技术有限公司 | Protective film cutting process and laser cutting equipment |
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| CN113319450B (en) * | 2021-06-25 | 2022-03-18 | 深圳市华中通用技术有限公司 | Protective film cutting process and laser cutting equipment |
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