CN206519647U - A kind of powder plasma built-up welding endoporus rifle - Google Patents
A kind of powder plasma built-up welding endoporus rifle Download PDFInfo
- Publication number
- CN206519647U CN206519647U CN201720021208.0U CN201720021208U CN206519647U CN 206519647 U CN206519647 U CN 206519647U CN 201720021208 U CN201720021208 U CN 201720021208U CN 206519647 U CN206519647 U CN 206519647U
- Authority
- CN
- China
- Prior art keywords
- powder
- gun body
- nozzle
- plasma
- upper cutting
- Prior art date
- 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.)
- Expired - Fee Related
Links
Landscapes
- Plasma Technology (AREA)
Abstract
The utility model provides a kind of powder plasma built-up welding endoporus rifle, belongs to plasma surfacing technical field.It solves the problem of existing powder plasma built-up welding endoporus rifle cooling effect is poor.This powder plasma built-up welding endoporus rifle includes：Upper cutting gun, lower gun body and protective cover；Plasma channel, it penetrates from the outer surface of upper cutting gun and exported by the lower end of lower gun body；Tungsten needle, its upper end is fixed on upper cutting gun, and the lower end of tungsten needle is arranged in plasma channel；Gas passage is protected, it penetrates from the outer surface of lower gun body and is directed into by lower gun body in protective cover；Powder channel, it imports from the outer surface of lower gun body and exported by the lower end of lower gun body, and powder channel is two, and two powder channels are respectively arranged at plasma channel both sides；Cooling-water duct, it is respectively arranged on upper cutting gun, lower gun body and protective cover, and cooling-water duct is used for the circulation of cooling water.This powder plasma built-up welding endoporus rifle has the advantages that manufacturing cost is low, good cooling results.
Description
Technical field
The utility model belongs to plasma surfacing technical field, is related to a kind of powder plasma built-up welding endoporus rifle.
Background technology
Powder Plasma Bead Melding Technique has as a kind of method of surface peening by one layer in piece surface cladding
Piece surface is wear-resistant, decay resistance to improve for the alloy powder of property, so as to extend its service life.The technology has
Have the advantages that temperature is high, dilution rate is low, controllability is good, be widely used in the row such as Aero-Space, ship, valve, mining machinery, screw rod
Industry.
The plasma arc powder surfacing rifle of current main flow is generally the assembling-type welding gun fastened by screw, in order that upper lower gun body
It is non-conductive, trip bolt must just be insulated, certainly will so increase welding gun volume, and also the height of gun body is difficult compression,
Therefore such rifle is not suitable for the built-up welding of small endoporus.Also someone carries out the design of too small endoporus welding gun, such as Granted publication
Number new small endoporus plasma arc powder surfacing rifle a kind of disclosed in the U of CN 203484793 utility model, it includes rifle
Body, insulator, lower gun body, three parts are cast as one by lengthening die casting gun body parcel, and the lower end of lower gun body is provided with nozzle and gas
Protective cover；Tungsten needle is fastened by tungsten needle clamp lock, through upper lower gun body；Provided with water-cooling channel, annular powder passage, ring-like in lower gun body
Gas passage is arranged from inside to outside successively；Lower gun body upper parallel is logical provided with tube cell passage, intake tunnel, exhalant canal and gas
Road.But there is following technical problem in the program：1st, its cooling duct is not extended in nozzle, causes the high temperature produced during its work
Cause nozzle variant, so as to influence the built-up welding effect of welding gun；2nd, upper cutting gun, insulator, lower gun body three are cast by die casting gun body
It is integrated, causes overall volume big, it is loosely organized, add manufacturing cost.
In summary, it is not enough, it is necessary to design a kind of manufacturing cost in existing plasma arc powder surfacing rifle structure to solve
Low, good cooling results powder plasma built-up welding endoporus rifles.
Utility model content
The purpose of this utility model is there is above mentioned problem for existing technology, it is proposed that a kind of manufacturing cost is low, cold
But the good powder plasma built-up welding endoporus rifle of effect.
The purpose of this utility model can be realized by following technical proposal：A kind of powder plasma built-up welding endoporus rifle, bag
Include：
Upper cutting gun；
Lower gun body, it is arranged at the lower section of upper cutting gun；
Protective cover, it is threadedly connected on lower gun body；
Plasma channel, it penetrates from the outer surface of upper cutting gun and exported by the lower end of lower gun body, the plasma channel
Positioned at the center of upper cutting gun and lower gun body；
Tungsten needle, its upper end is fixed on upper cutting gun, and the lower end of tungsten needle is arranged in plasma channel；
Gas passage is protected, it penetrates from the outer surface of lower gun body and is directed into by lower gun body in protective cover；
Powder channel, it imports from the outer surface of lower gun body and exported by the lower end of lower gun body, and the powder channel is two
Bar, two powder channels are respectively arranged at plasma channel both sides；
Cooling-water duct, it is respectively arranged on upper cutting gun, lower gun body and protective cover, and the cooling-water duct is used for cold
But the circulation of water.
In a kind of above-mentioned powder plasma built-up welding endoporus rifle, the lower end of lower gun body is provided with nozzle and nozzle is located at
Between lower gun body and protective cover, the plasma channel is exported through lower gun body and by nozzle, protects the outlet position of gas passage
Separated in both nozzle and protective cover in formed gap, two powder channels are through the outlet of nozzle and two powder channels point
The both sides of plasma channel are not arranged at, and the cooling-water duct communicated with lower gun body is offered in nozzle.
In a kind of above-mentioned powder plasma built-up welding endoporus rifle, air admission hole is offered in the outer surface of upper cutting gun, under
Middle part in gun body offers the gas port communicated with air admission hole, gas port extend downward into nozzle and offered on nozzle with
Gas port communicates and runs through the venthole of nozzle, and the air admission hole, gas port and venthole three connect and form described
Plasma channel.
In a kind of above-mentioned powder plasma built-up welding endoporus rifle, powder entering hole is offered on the outer surface of lower gun body,
Two powder-guiding holes communicated with powder entering hole are offered in lower gun body, the annular groove communicated with powder entering hole is offered in lower gun body,
Two powder-guiding holes are respectively positioned in annular groove and communicated with annular groove, are offered on nozzle and the one-to-one scene 2 powder of two powder-guiding holes
Hole, powder entering hole, powder-guiding hole and flour opening three communicate and form described powder channel.
In a kind of above-mentioned powder plasma built-up welding endoporus rifle, two flour openings are respectively arranged at the both sides of nozzle and scene 2
Axial line of the axial line in powder hole with nozzle is angled.
In a kind of above-mentioned powder plasma built-up welding endoporus rifle, the second air admission hole is offered on the outer surface of lower gun body
And the second gas port communicated with the second air admission hole is offered on lower gun body, both nozzle and protective cover, which are separated, is formed with outlet
Chamber, the outlet of the second gas port is extended in outlet chamber room, the second air admission hole, the second gas port and outlet chamber three's phase
Lead to and form described protection gas passage.
In a kind of above-mentioned powder plasma built-up welding endoporus rifle, opened respectively on upper cutting gun, lower gun body and protective cover
Provided with the inlet opening and apopore communicated.
In a kind of above-mentioned powder plasma built-up welding endoporus rifle, insulator is provided between upper cutting gun and lower gun body,
Upper cutting gun and lower gun body are threadedly connected to the two ends of insulator respectively, and annular chamber is formed between the two in insulator and upper cutting gun
Room, the air admission hole and gas port are communicated with annular compartment.
In a kind of above-mentioned powder plasma built-up welding endoporus rifle, installation set is provided with upper cutting gun, in installation set
Offer mounting hole and tungsten needle chuck is provided with mounting hole, the upper end of tungsten needle is arranged on tungsten needle chuck, the lower end of tungsten needle
Through upper cutting gun and insulator and it is arranged in gas port.
In a kind of above-mentioned powder plasma built-up welding endoporus rifle, centring sleeve is arranged with tungsten needle, in the outer of centring sleeve
Surface uniform ring around and axially offer multiple air slots, when centring sleeve is installed in gas port, guiding gutter and gas port
Inwall is surrounded and is formed with water conservancy diversion chamber, and the two ends of the water conservancy diversion chamber are communicated with annular compartment and venthole respectively.
Compared with prior art, the utility model at least has the advantages that：
1st, the utility model includes upper cutting gun, lower gun body and protective cover three is axially arranged and three connects tightly two-by-two
Gather, simple in construction, its manufacturing cost is low, meanwhile, plasma (orifice) gas passage, protection gas passage, cooling-water duct and powder channel
It is the structure that welding gun is optimized on three to be evenly distributed on.
2nd, cooling-water duct is provided with upper cutting gun, lower gun body and protective cover, cooling water passes through cooling-water duct
Circulation in upper cutting gun, lower gun body and protective cover, so as to carry out effective cooling to three so that the utility model has
There is preferable built-up welding precision.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the sectional view of A-A in Fig. 1.
Fig. 3 is the sectional view of B-B in Fig. 1.
Fig. 4 is the top view of lower gun body in the preferred embodiment of the utility model one.
Fig. 5 is the structural representation of nozzle in the preferred embodiment of the utility model one.
Fig. 6 is the sectional view of nozzle in the preferred embodiment of the utility model one.
Fig. 7 is the structural representation of centring sleeve in the preferred embodiment of the utility model one.
Fig. 8 is the sectional view of protective cover in the preferred embodiment of the utility model one.
In figure, 100, upper cutting gun；110th, insulator；120th, lower gun body；130th, nozzle；200th, air admission hole；210th, gas port；
220th, venthole；230th, annular compartment；300th, powder entering hole；310th, powder-guiding hole；320th, flour opening；330th, annular groove；400th, second
Air admission hole；410th, the second gas port；420th, outlet chamber；500th, the first inlet opening；510th, the first apopore；520th, first accommodate
Chamber；530th, the second inlet opening；540th, the second apopore；550th, semicircle orifice；560th, cone tank；570th, the 3rd inlet opening；580th,
Three apopores；590th, the 3rd accommodating chamber；600th, installation set；610th, mounting hole；700th, tungsten needle；800th, tungsten needle chuck；820th, tightening
Screw；900th, centring sleeve；910th, air slot.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
As shown in Figures 1 to 8, the utility model is a kind of powder plasma built-up welding endoporus rifle, and it includes axially arranged
Upper cutting gun 100, lower gun body 120 and protective cover, wherein upper cutting gun 100 are connected with lower gun body 120, and protective cover is threadedly connected to down
The lower end of gun body 120.
As shown in Figure 1, Figure 2 and shown in Fig. 3, insulator 110 and upper rifle are provided between upper cutting gun 100 and lower gun body 120
The two ends for being threadedly connected to insulator 110 respectively of body 100 and lower gun body 120, are provided with tungsten needle and tungsten needle in insulator 110
Lower end be arranged in gun body and protective cover, be threaded with nozzle 130 in the lower end of lower gun body 120 and under nozzle 130 is located at
Between gun body 120 and protective cover.
The middle part of upper cutting gun 100 is provided with installation set 600, mounting hole 610 is offered in installation set 600 and is being installed
Tungsten needle chuck 800 is offered in hole 610, the upper end of above-mentioned tungsten needle 700 is arranged in tungsten needle chuck 800, and the lower end of tungsten needle 700 is worn
Cross upper cutting gun 100 and insulator 110 and be arranged in gas port 210.
Preferably, it is provided with the lower end of tungsten needle chuck 800 between multiple intermediate plates, two neighboring intermediate plate and is formed with gap,
Tungsten needle 700 is located in tungsten needle chuck 800 and can clamped by intermediate plate so that tungsten needle chuck 800 can drive tungsten needle 700 in mounting hole
Moved axially in 610, it is ensured that the installation site of tungsten needle 700 can carry out adaptability regulation according to actual needs.
Further, holding screw 820 is additionally provided with mounting hole 610, the assembling process of tungsten needle 700 is as follows：Tungsten needle
700 front end sequentially passes through tungsten needle chuck 800 and installation set 600 and is arranged on lower gun body 120, and the rear end card of tungsten needle 700 is set
It can make to move axially downwards in mounting hole 610 in tungsten needle chuck 800 in tungsten needle chuck 800, screwing holding screw 820,
Each intermediate plate is to central reduction so as to which intermediate plate can clamp tungsten needle 700, it is to avoid tungsten needle 700 is moved and influenceed in the axial direction
The utility model normal work.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 7, offered on the outer surface of upper cutting gun 100 for the ionized gas that circulates
Air admission hole 200, offer the gas port 210 communicated with air admission hole 200 at the middle part of lower gun body 120, and gas port 210
Lower end extends in nozzle 130 and the venthole 220 through nozzle 130 is offered in nozzle 130, and above-mentioned venthole 220 is with leading
Stomata 210 is communicated, and ionized gas can be imported by air admission hole 200 and is directed into by gas port 210 in nozzle 130, finally by
Venthole 220 on nozzle 130 is exported.
Above-mentioned tungsten needle 700 is arranged in gas port 210 and the lower end of tungsten needle 700 is arranged in venthole 220, in tungsten needle
Centring sleeve 900 is also arranged with 700, the setting of centring sleeve 900 ensure that the axial line of tungsten needle 700 and the axle center of venthole 220
Line is coaxially disposed.
Offer multiple air slots 910 in the outer surface of centring sleeve 900, the uniform ring of air slot 910 is around being distributed in centring sleeve
On 900 outer surface, when centring sleeve 900 is arranged in gas port 210, the equal energy of inwall of each air slot 910 and gas port 210
Axially arranged water conservancy diversion chamber is formed, ionized gas can be imported in venthole 220 by water conservancy diversion chamber.
Multiple water conservancy diversion chambers can be formed between the two in the inwall of centring sleeve 900 and gas port 210, leaned on so as to can produce
Ionized gas skewness in the water conservancy diversion chamber of the nearly side of gas port 210 and diversion cavity room away from the side of gas port 210
Technical problem, in order to solve this technical problem, annular compartment 230 is formed with insulator 110 close to the side of upper cutting gun 100,
Above-mentioned air admission hole 200 and gas port 210 are communicated with annular compartment 230 simultaneously, so that plasma gas is imported from air admission hole 200
It can be uniformly distributed to annular compartment 230 and in annular compartment 230, last plasma (orifice) gas physical efficiency is led by each water conservancy diversion chambers uniform
Enter to venthole 220, improve the circulation efficiency of plasma gas
Above-mentioned air admission hole 200, annular compartment 230, water conservancy diversion chamber, pod apertures and venthole 220 are sequentially communicated and formed
Described plasma channel, the plasma channel is used to convey plasma gas.
As shown in Figures 1 to 7, powder entering hole 300 is offered on the outer surface of lower gun body 120, is opened up in lower gun body 120
There are two powder-guiding holes 310 communicated with powder entering hole 300, the lower end of two powder-guiding holes 310 is all extended on nozzle 130 and in nozzle 130
On offer and lower gun body can be directed into by powder entering hole 300 with one-to-one two flour opening 320 of two powder-guiding hole 310, alloy powder
In 120 and it is directed respectively into by two powder-guiding holes 310 to two flour openings 320, the settings of two flour openings 320 enables alloy powder
Uniform fold improves the uniformity of alloy powder covering in piece surface.
Preferably, the axial line of above-mentioned powder entering hole 300 is vertical with the axial line of lower gun body 120, the axial line of powder-guiding hole 310
With the axis parallel of lower gun body 120, while offering the annular communicated with powder entering hole 300 on the upper surface of lower gun body 120
Groove 330, above-mentioned two flour opening 320 is opened on annular groove 330, and flour opening 320 is communicated with annular groove 330, and alloy powder leads to
Powder entering hole 300 is crossed to be directed into annular groove 330 and can be uniformly distributed in annular groove 330, finally by powder-guiding hole 310 export to
On flour opening 320, so design ensure that alloy ink powder will not blockage phenomenon in lower gun body 120.
Further, above-mentioned two flour opening 320 is symmetricly set in the both sides of nozzle 130 and the axial line of two flour openings 320
Axial line with nozzle 130 is angled so that alloy powder energy alternate covering derived from two flour openings 320 to parts list
Face, so as to ensure that the uniformity of alloy powder covering, improves that the piece surface after machining is wear-resistant, decay resistance
And extend the service life of part；Meanwhile, being obliquely installed for the flour opening 320 can make flour opening 320 be not susceptible to stifled powder phenomenon,
With the effect for improving operating efficiency of the present utility model and increasing the service life.
Above-mentioned powder entering hole 300, annular groove 330, two powder-guiding holes 310 and two flour openings 320 are sequentially communicated to form above-mentioned powder
Last passage, the powder channel is used for powder metallurgy uniform fold to whole piece surface.
As shown in Figures 1 to 7, the second air admission hole through lower gun body 120 is offered on the outer surface of lower gun body 120
400 and offer and communicated with the second air admission hole 400 and the second axially arranged gas port 410 on lower gun body 120, simultaneously because
Both said nozzle 130 and protective cover separate to be formed with outlet chamber 420 between nozzle 130 and protective cover, and above-mentioned the
The lower end of two gas port 410 extends to outlet chamber 420, and protection gas can be imported and by the second gas port by the second air admission hole 400
410 are directed into outlet chamber 420, finally protect gas to be exported along outlet chamber 420 so that protection gas can be covered in part
Surface ensures that part is difficult to be oxidized in process.
Said nozzle 130 offers the first annular conical surface close to protective cover side, is offered on protective cover and the first ring
Corresponding second circular cone of the shape conical surface, the first annular conical surface, the second circular cone and lower gun body 120 can be surrounded into outlet
Chamber 420, simultaneously because both the first annular conical surface and the second circular cone are parallel so that at the spacing in outlet chamber 420
Place is equal, it is ensured that protection gas uniformity as derived from outlet chamber 420.
Above-mentioned second air admission hole 400, the second gas port 410 and outlet chamber 420 are sequentially communicated and form above-mentioned protection
Gas passage, the protection gas passage is used to protection gas being uniformly wrapped on whole piece surface.
As shown in Figure 1 to Figure 3, the first inlet opening 500 communicated and the first apopore are opened up in the outer surface of upper cutting gun 100
510, the first accommodating chamber 520 is formed between upper cutting gun 100 and installation set 600, cooling water can be directed into by the first inlet opening 500
Exported in first accommodating chamber 520 and by the first apopore 510.
In the course of the work, tungsten needle 700 produces energy heat and can be transferred to by tungsten needle chuck 800 in drive sleeve, works as cooling
Water is directed into the first accommodating chamber 520 by the first inlet opening 500 and exported by the first apopore 510, and cooling water is accommodated first
The interior circulation of chamber 520 can take away the heat in installation set 600, so that cooling water can take away the work of tungsten needle 700 indirectly by installation set 600
Heat produced by making, it is ensured that the temperature control of tungsten needle 700 improves the service life of tungsten needle 700 in certain limit.
As shown in Figures 1 to 6, the second inlet opening 530 communicated and the second apopore 540 are offered on lower gun body 120,
Two halves circular hole 550 axially arranged and through lower gun body 120 is offered on lower gun body 120, wherein a semicircle orifice 550 and second
Inlet opening 530 is communicated, and another semicircle orifice 550 is communicated with the second apopore 540, is offered on nozzle 130 and two halves circular hole 550
The cone tank 560 communicated, two halves circular hole 550 and cone tank 560 are formed with the second accommodating chamber.
Cooling water is directed into the second accommodating chamber by the second inlet opening 530, simultaneously because two halves circular hole 550 can only pass through taper
Groove 560 is communicated indirectly, so that cooling water could be exported after accommodating cavity circulation one week second by the second apopore 540, is extended
Cooling water in the second accommodating chamber with lower gun body 120 and the contact surface of nozzle 130, improve lower gun body 120 and nozzle 130
Cooling effect.
Cooling water in above-mentioned first accommodating chamber 520 can cool down the cooling water energy in the upper end of tungsten needle 700, the second accommodating chamber
The middle part of tungsten needle 700 is cooled down, so that the cooling water in the first accommodating chamber 520 and the second accommodating chamber can realize the entirety of tungsten needle 700
Cooling, it is to avoid the generation of the too high phenomenon of temperature occurs in tungsten needle 700, extends service life.
As shown in figure 8, offering the 3rd inlet opening 570 and the 3rd apopore 580 on protective cover, opened up in protective cover
There is the 3rd accommodating chamber 590 communicated with the 3rd inlet opening 570 and the 3rd apopore 580, cooling water is imported by the 3rd inlet opening 570
Exported in the 3rd accommodating chamber 590 and by the 3rd apopore 580, improve the cooling effect of protective cover.
The operation principle of this powder plasma built-up welding endoporus rifle is as follows：
First toward being passed through cooling water in cooling-water duct, when providing work for upper cutting gun 100, lower gun body 120 and protective cover
Low temperature environment.
Protective gas is passed through in toward protection gas passage gas shield is carried out to whole lower gun body 120, then by plasma (orifice) gas
Plasma gas is passed through in passage, the gas preparatory stage for making whole gun body be in before striking.
Alloy powder is passed through in toward powder channel, last power-on makes to form electrode in tungsten needle 700, finally opens and draw
Arc is switched, and then completes the preparation before welding gun built-up welding.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. a kind of powder plasma built-up welding endoporus rifle, it is characterised in that including：
Upper cutting gun；
Lower gun body, it is arranged at the lower section of upper cutting gun；
Protective cover, it is threadedly connected on lower gun body；
Plasma channel, it penetrates from the outer surface of upper cutting gun and exported by the lower end of lower gun body, and the plasma channel is located at
The center of upper cutting gun and lower gun body；
Tungsten needle, its upper end is fixed on upper cutting gun, and the lower end of tungsten needle is arranged in plasma channel；
Gas passage is protected, it penetrates from the outer surface of lower gun body and is directed into by lower gun body in protective cover；
Powder channel, it imports from the outer surface of lower gun body and exported by the lower end of lower gun body, and the powder channel is two, two
Bar powder channel is respectively arranged at plasma channel both sides；
Cooling-water duct, it is respectively arranged on upper cutting gun, lower gun body and protective cover, and the cooling-water duct is used for cooling water
Circulation.
2. a kind of powder plasma built-up welding endoporus rifle according to claim 1, it is characterised in that set in the lower end of lower gun body
It is equipped with nozzle and nozzle is located between lower gun body and protective cover, the plasma channel is exported through lower gun body and by nozzle,
Protection gas passage outlet separated positioned at both nozzle and protective cover in formed gap, two powder channels run through nozzle and
The outlet of two powder channels is respectively arranged at the both sides of plasma channel, and the cooling water communicated with lower gun body is offered in nozzle
Passage.
3. a kind of powder plasma built-up welding endoporus rifle according to claim 2, it is characterised in that in the outer surface of upper cutting gun
Air admission hole is offered, the middle part on lower gun body offers the gas port communicated with air admission hole, gas port extends downward into nozzle
And the venthole that nozzle is communicated and run through with gas port, the air admission hole, gas port and venthole three are offered on nozzle
Person connects and forms described plasma channel.
4. a kind of powder plasma built-up welding endoporus rifle according to Claims 2 or 3, it is characterised in that in the outer of lower gun body
Powder entering hole is offered on surface, two powder-guiding holes communicated with powder entering hole are offered in lower gun body, are offered in lower gun body
The annular groove communicated with powder entering hole, two powder-guiding holes are respectively positioned in annular groove and communicated with annular groove, are offered on nozzle and two
One-to-one two flour opening of powder-guiding hole, powder entering hole, powder-guiding hole and flour opening three communicate and form described powder channel.
5. a kind of powder plasma built-up welding endoporus rifle according to claim 4, it is characterised in that two flour openings are set respectively
It is angled in axial line of the axial line with nozzle of the both sides of nozzle and two flour openings.
6. a kind of powder plasma built-up welding endoporus rifle according to claim 2, it is characterised in that in the outer surface of lower gun body
On offer the second air admission hole and the second gas port for being communicated with the second air admission hole offered on lower gun body, nozzle and protective cover
Both, which separate, is formed with outlet chamber, and the outlet of the second gas port is extended in outlet chamber room, the second air admission hole, the second gas port
And outlet chamber three communicates and forms described protection gas passage.
7. a kind of powder plasma built-up welding endoporus rifle according to claim 1, it is characterised in that in upper cutting gun, lower gun body
And the inlet opening communicated and apopore are offered on protective cover respectively.
8. a kind of powder plasma built-up welding endoporus rifle according to claim 3, it is characterised in that in upper cutting gun and lower gun body
Between be provided with insulator, upper cutting gun and lower gun body are threadedly connected to the two ends of insulator respectively, in insulator and upper cutting gun two
Annular compartment is formed between person, the air admission hole and gas port are communicated with annular compartment.
9. a kind of powder plasma built-up welding endoporus rifle according to claim 8, it is characterised in that be provided with upper cutting gun
Installation set, mounting hole is offered in installation set and tungsten needle chuck is provided with mounting hole, the upper end of tungsten needle is arranged in tungsten needle
On chuck, the lower end of tungsten needle passes through upper cutting gun and insulator and is arranged in gas port.
10. a kind of powder plasma built-up welding endoporus rifle according to claim 9, it is characterised in that be arranged with tungsten needle
Centring sleeve, centring sleeve outer surface uniform ring around and axially offer multiple air slots, when centring sleeve is installed in gas port
When, the inwall of air slot and gas port surrounds and is formed with water conservancy diversion chamber, the two ends of the water conservancy diversion chamber respectively with annular compartment
Communicated with venthole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021208.0U CN206519647U (en) | 2017-01-09 | 2017-01-09 | A kind of powder plasma built-up welding endoporus rifle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021208.0U CN206519647U (en) | 2017-01-09 | 2017-01-09 | A kind of powder plasma built-up welding endoporus rifle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206519647U true CN206519647U (en) | 2017-09-26 |
Family
ID=59889479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720021208.0U Expired - Fee Related CN206519647U (en) | 2017-01-09 | 2017-01-09 | A kind of powder plasma built-up welding endoporus rifle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206519647U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624305A (en) * | 2017-01-09 | 2017-05-10 | 宁波驰迈激光科技有限公司 | Powder plasma surfacing torch for inner holes |
| CN111673246A (en) * | 2019-11-29 | 2020-09-18 | 山东大学 | Compact large-melting-depth plasma arc welding gun |
-
2017
- 2017-01-09 CN CN201720021208.0U patent/CN206519647U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624305A (en) * | 2017-01-09 | 2017-05-10 | 宁波驰迈激光科技有限公司 | Powder plasma surfacing torch for inner holes |
| CN111673246A (en) * | 2019-11-29 | 2020-09-18 | 山东大学 | Compact large-melting-depth plasma arc welding gun |
| CN111673246B (en) * | 2019-11-29 | 2021-08-31 | 山东大学 | Compact large-melting-depth plasma arc welding gun |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101380690B (en) | TIG welding gun and welding cooling method | |
| EP1830036B1 (en) | Method of manufacturing of an internal fuel manifold with turned channel having a variable cross-sectional area | |
| CN106001878B (en) | A kind of plasma surfacing equipment | |
| CN206908932U (en) | Nozzle for liquid-cooling type plasma arc spray gun | |
| CN103404237B (en) | There is the plastic cutting burner of advanced cooling duct | |
| CN101733522B (en) | Small-bore TIG (tungsten inert gas) surfacing torch | |
| CN101530000B (en) | Contoured shield orifice for plasma arc torch | |
| CN106624305A (en) | Powder plasma surfacing torch for inner holes | |
| CN206519647U (en) | A kind of powder plasma built-up welding endoporus rifle | |
| CN104902666B (en) | A kind of pair of air-flow supersonic plasma spray gun | |
| CN101434000A (en) | Small-interior diameter deep hole plasma spray welding gun | |
| CN205834467U (en) | A kind of gas plasma cutting torch | |
| CN103180088B (en) | Gas bolt heating device | |
| CN208358002U (en) | A kind of barrel powder plasma built-up welding inner hole rifle | |
| CN106001879A (en) | Gun body structure of plasma surfacing welding gun | |
| CN106735803A (en) | A kind of plasma arc powder surfacing rifle | |
| CN206677378U (en) | A kind of plasma arc powder surfacing rifle | |
| CN107414263A (en) | A kind of three tungsten electrode heating wire TIG welding guns | |
| CN216370627U (en) | Swirl ring for plasma cutting gun | |
| CN204381642U (en) | The fixed MIG welding gun of a kind of blast-furnace tuyere welding water-cooled | |
| CN106944728B (en) | A kind of small Hole plasma welding rifle of the miniature depth of full water cooling type | |
| CN201551945U (en) | Spray-absorption device | |
| CN205834464U (en) | A kind of Rapid Circulation water-cooling plasma cutting torch | |
| CN204470770U (en) | A kind of double back journey large discharge welding machine water-cooling rifle head | |
| CN201537766U (en) | Water-cooling welding gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170926 Termination date: 20200109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |